The Wahle Lab

Publications

Peer Reviewed Publications (most recent first) 

Last updated in January 2021

DOI links are to journal websites, or to pdfs not available online. Some are open access , but not all, and depending on your institution’s subscriptions, there may be a fee for downloading the articles.

* Student authors

† Selected as Editors’ Choice in Science 323:1406b (3/13/09)

Niemisto, M.*, Fields, D. M., Clark, K. F., Waller, J. D., Greenwood, S. J., & Wahle, R. A. 2020. American lobster postlarvae alter gene regulation in response to ocean warming and acidification. Ecology and Evolution. https://doi.org/10.1002/ece3.7083

Wahle, R., Linnane, A., & Harrington, A.* In press. Chapter 4: Lobster Fisheries. In M. Thiel and G. Lovrich (eds). The natural history of the Crustacea. (Vol. 5). New York: Oxford Univ. In Press.

Oppenheim, N., Wahle, R., Brady, D., Goode, A.*, & Pershing, A. 2019. The cresting wave: larval settlement and ocean temperatures predict change in the American lobster harvest. Ecological Applications. https://doi.org/10.1002/eap.2006

Goode, A.*, Brady, D., Steneck, R., & Wahle, R. 2019. The brighter side of climate change: How local oceanography amplified a lobster boom in the Gulf of Maine. Global Change Biology. https://doi.org/10.1111/gcb.14778

Bayer, S.R.*, Countway, P.D.,& Wahle, R.A. 2019. Developing an eDNA toolkit to quantify broadcastspawning events of the sea scallop Placopecten magellanicus: moving beyond fertilization assays. Marine Ecology. https://doi.org/10.3354/meps1299

Bayer, S.R.*, Wahle, R.A., Brady, D.C., Jumars, P.A., Stokesbury, K.D.E., & Carey, J.D. 2018. Fertilization dynamics in scallop aggregations: reconciling model predictions with field measurements. Ecosphere. https://doi.org/10.1002/ecs2.2359

Wahle, R. 2018. Session Summaries for the 11th International Conference and Workshop on Lobster Biology and Management. Bulletin Marine Science. https://doi.org/10.5343/bms.2018.0024

Carloni, J.*, Wahle, R., Geoghegan, P., & Bjorkstedt, E. 2018. Bridging the spawner-recruit disconnect: Trends in American lobster recruitment linked to the pelagic food web. Bulletin Marine Science. https://doi.org/10.5343/bms.2017.1150

Wahle, R., & Lavalli, K. 2018. Preface to the proceedings of the 11th International Conference on Lobster Biology and Management. Bulletin Marine Science. https://doi.org/10.5343/bms.2018.0036

Jaini, M.*, Wahle, R., Thomas, A., & Weatherbee, R. 2018. Oceanographic correlates of lobster settlement in the Gulf of Maine and southern New England shelf. Bulletin Marine Science. https://doi.org/10.5343/bms.2017.11418

Li, B.*, Cao, J.*, Guan, L.*, Mazur, M.*, Chen, Y., & Wahle, R. 2018. Estimating spatial nonstationary environmental effects on the distribution of species: A case study from American lobster in the Gulf of Maine. https://doi.org/10.1093/icesjms/fsy024

Le Bris, A., Mills, K., Wahle, R., Chen, Y., Alexander, M., Allyn, A., Pershing, A. 2018. Climate vulnerability and resilience in the most valuable North American fishery. Available: www.pnas.org/cgi/doi/10.1073/pnas.1711122115

Hunt, H., R.A. Wahle, J. Tremblay, M. Comeau, A. Silva, R. Rochette, 2017. Spatial patterns of richness and abundance of benthic decapod crustaceans and fishes in the Northwest Atlantic as measured by passive cobble-filled collectors. Marine Biology Research. https://doi.org/10.1080/17451000.2017.1296161

Bayer, S.R.*, R.A. Wahle, P.A. Jumars, D.C. Brady. 2016. Design and testing chambers to measure scallop fertilization success in the field. Marine Ecology Progress Series. https://doi.org/10.3354/meps11684

Waller, J.D.*, R.A. Wahle, H. McVeigh, D.M. Fields. 2016. Linking rising pCO2 and temperature to the larval development and physiology of the American lobster (Homarus americanus). ICES Journal of Marine Science 2016. https://doi.org/10.1093/icesjms/fsw154

Wahle, R.A., L. Dellinger, S. Olszewski, P. Jekielek. 2015. Lobster nurseries of southern New England recede in the face of climate change. ICES Journal of Marine Science 72 (Suppl. 1): i69-i78, https://doi.org/10.1093/icesjms/fsv093.

Wahle, R.A.  2015. American Lobster Settlement Index Fact Sheet.  Published by Maine Sea Grant.  https://umaine.edu/wahlelab/wp-content/uploads/sites/449/2015/09/ALSI-Factsheet.pdf

Gledhill, D.K., M.M. White, J. Salisbury, H. Thomas, I. Mlsna, M. Liebman, B. Mook, J. Grear, A.C. Candelmo, R.C. Chambers, C.J. Gobler, C.W. Hunt, A.L. King, N.N. Price, S. Signorini, E. Stancioff, C. Stymiest, R.A. Wahle, J.D. Waller, N.D. Rebuck, Z.A. Wang, T.L. Capson, J. R. Morrison, S. Cooley, S.Doney. 2015. Ocean acidification off New England and Nova Scotia.  Oceanography. 28(2):182–197. https://doi.org/10.5670/oceanog.2015.41

Petit, I.J., C.F. Gaymer, Á.T. Palma, R.A. Wahle. 2015. Predation of juvenile Jasus frontalis: An endemic spiny lobster of the Juan Fernández Archipelago, Chile. Journal of Shellfish Research 34:1085-1089.
 https://doi.org/10.2983/035.034.0335

Burdett-Coutts, V.*, R.A. Wahle, R. Rochette, P. Snelgrove. 2014. Spatial linkages between settling young-of-year and older juvenile lobsters. Mar. Ecol. Prog. Ser. 499: 143–155. https://doi.org/10.3354/meps10625

Carey, J.D.* R.A. Wahle, K.D.E. Stokesbury. 2013. Spatial scaling of juvenile-adult associations in Northwest Atlantic sea scallop Placopecten magellanicus populations. Mar. Ecol. Prog. Ser. 493: 185–194. https://doi.org/10.3354/meps10543

Mills, K.E., A.J. Pershing, C.J. Brown, Y. Chen, F.-S. Chiang, D.S. Holland, S. Lehuta, J.A. Nye, J.C. Sun, A.C. Thomas, and R.A. Wahle. 2013. Fisheries management in a changing climate: Lessons from the 2012 ocean heat wave in the Northwest Atlantic. Oceanography 26:191–195, http://dx.doi.org/10.5670/oceanog.2013.27. 

Wahle, R.A., A. Battison, L. Bernatchez, S. Boudreau, K. Castro, J.H. Grabowski, S.J. Greenwood, C. Guenther, R. Rochette, J. Wilson. 2013. The American lobster in a changing ecosystem: A US-Canada science symposium, 27-30 November, Portland, Maine. Introduction. Can. J. Fish. Aquat. Sci. 70: 1571-1575. https://doi.org/10.1139/cjfas-2013-0465

Steneck, R.S. and R.A. Wahle. 2013. The American lobster dynamics in a brave new ocean. Can. J. Fish. Aquat. Sci. 70: 1612-1624, https://doi.org/10.1139/cjfas-2013-0094

Oppenheim, N.G., R.A. Wahle. 2013. Cannibals by night? In situ video monitoring reveals diel shifts in inter- and intra-specific predation on the American lobster. Can. J. Fish. Aquat. Sci. 70: 1635–1640 (2013) https://doi.org/10.1139/cjfas-2013-0099

Caputi, N., S. Frusher, R. Wahle. 2013. Chapter 9: Impacts of climate change. In: B. Phillips (ed.) Lobsters: Biology, Management, Fisheries and Aquaculture, 2nd edition. Pp. 84-112. Wiley-Blackwell, Oxford, UK. 7

Phillips, B., R. Wahle, R. Ward. 2013. Chapter 1: Lobsters as part of marine ecosystems. In: B. Phillips (ed.) Lobsters: Biology, Management, Fisheries and Aquaculture, 2nd edition. Pp. 1-35. Wiley-Blackwell, Oxford, UK.

Wahle, R.A., K. Castro, O. Tully, S. Cobb. 2013. Chapter 4: Homarus. In: B. Phillips (ed.) Lobsters: Biology, Management, Fisheries and Aquaculture, 2nd edition. Pp. 221-258. Wiley-Blackwell, Oxford, UK.

Wahle, R.A., C. Bergeron, J. Tremblay, C. Wilson, V. Burdett-Coutts, M. Comeau, R. Rochette, P. Lawton, R. Glenn, M. Gibson. 2013. The geography and bathymetry of American lobster benthic recruitment as measured by diver-based suction sampling and passive collectors. Marine Biology Research 9: 42-58. https://doi.org/10.1080/17451000.2012.727428

Wahle, R.A., C. Brown, K. Hovel. 2013. The geography and body size dependence of top-down forcing in New England’s lobster-groundfish interaction. Bulletin of Marine Science. 89: 189–212. https://doi.org/10.5343/bms.2011.1131

Pershing, A.J., R.A. Wahle, P.C. Meyers, P. Lawton. 2012. Large-scale coherence in New England lobster settlement associated with regional weather. Fisheries Oceanography 21: 348-362. https://doi.org/10.1111/j.1365-2419.2012.00629.x

Wahle, R., D. Tshudy, J.S. Cobb, J. Factor, M. Jaini*. 2012. Astacidea (Marine Lobsters). In, F. R. Schram & J. C. von Vaupel Klein (eds.), Treatise on Zoology: Crustacea Decapoda, Vol. 9B (66) pp 3-108. Brill, Leiden

Wahle, R. A., J. S. Cobb, L. S. Incze, P. Lawton, M. Gibson, R. Glenn, C. Wilson, J. Tremblay. 2011. The American lobster settlement index at 20 years: Looking back – looking ahead. J. Mar. Biol. Assn. India. 52:180-188. read here

Hovel, K. and R.A. Wahle. 2010. Consistent effects of habitat fragmentation on American lobster movement across a gradient of predation risk and shelter competition. Ecology 91:1993–2002. https://doi.org/10.1890/09-0595.1

Pardo, L. M., C. S. Cardyn, P. Mora, R. A. Wahle. 2010. A new passive collector to assess settlement rates, substrate selection and predation pressure in decapod crustacean larvae. J. Expt. Mar. Biol. Ecol. 393: 100–105. https://doi.org/10.1016/j.jembe.2010.07.008

Incze, L., H. Xue, N. Wolff, D. Xu, C. Wilson, R. Steneck, R. Wahle, P. Lawton, N. Pettigrew, and Y. Chen. 2010. Connectivity of lobster (Homarus americanus) populations in the coastal Gulf of Maine: part II. Coupled biophysical dynamics. Fisheries Oceanogr. 19: 1-20. https://doi.org/10.1111/j.1365-2419.2009.00533.x

Geraldi, N.R.*, Wahle, R.A. Dunnington, M.J. 2009. Habitat effects on American lobster catch and movement: Insights from geo-referenced trap arrays, seabed mapping, and tagging. Can. J. Fish. Aquat. Sci. 66: 460-470. https://doi.org/10.1139/F09-011

† Wahle, R.A., M. Gibson, M.J. Fogarty. 2009. Distinguishing disease impacts from larval supply effects in a lobster fishery collapse. Mar. Ecol. Prog. Ser. 376: 185–192. https://doi.org/10.3354/meps07803

Wahle, R.A., C. Bergeron*, C. Wilson, M. Parkhurst. 2009. A vessel-deployed passive post-larval collector for the American lobster. New Zealand J. Mar. Freshw. Res. 43: 465 -474. https://doi.org/10.1080/00288330909510015

Wahle, R.A., C.E. Bergeron*, A. Chute, Y. Chen, L. Jacobson. 2008. Northwest Atlantic deep-sea red crab before and after the onset of harvesting. ICES J. Mar. Sci.65: https://doi.org/10.1093/icesjms/fsn058

Frumhoff, P.C., J.J. McCarthy, J.M. Melillo, S.C. Moser, and D.J. Wuebbles. 2007. Confronting Climate Change in the U.S. Northeast: Science, Impacts, and Solutions. Synthesis report of the Northeast Climate Impacts Assessment (NECIA). Cambridge, MA: Union of Concerned Scientists (UCS). (Member of contributing team of white paper authors) 8

Selgrath, J., K*. Hovel, R. Wahle. 2007. Effects of habitat edges on American lobster abundance & survival. J. Exp. Mar. Biol. Ecol. 353: 253–264. https://doi.org/10.1016/j.jembe.2007.09.012

O’Donnell, K.P.*, Wahle, R.A., Dunnington, M.J., M. Bell. 2007. Spatially referenced trap arrays detect sediment disposal impacts in a New England estuary. Mar. Ecol. Prog. Ser. 348: 249–260. https://doi.org/10.3354/meps07009

Wahle, R.A. (Guest Editor) 2006. Proceedings of Sea Grant Science Symposium 2005: Lobsters as model organisms at the interface of ecology, behavior and fisheries. Journal of Crustacean Biology 26 (4). https://doi.org/10.1651/S-2761.1

Incze, L. S, R. A. Wahle, N. Wolff, C. Wilson, R. Steneck, E. Annis*, P. Lawton, H. Xue, and Y. Chen. 2006. Early life history and a modeling framework for lobster (Homarus americanus) populations in the Gulf of Maine. Journal of Crustacean Biology: 26: 555-564. https://doi.org/10.1651/S-2764.1

Wahle, R.A. and Fogarty, M.J. 2006. Chapter 1 – Growth. In: B. Phillips (ed.), Lobsters: Biology, management, aquaculture and fisheries. Sinauer & Assoc. Pp. 1-44. 

Gaudette, J.*, R. A. Wahle, R.A., and J. Himmelman. 2006. Spawning events in small and large populations of the sea urchin, Strongylocentrotus droebachiensis. as recorded using fertilization assays. Limnol. & Oceanogr. 51:1485-1496. https://doi.org/10.4319/lo.2006.51.3.1485

Gibson, M. & Wahle, R.A. 2005. Disease impacts on recruitment to coastal Rhode Island lobster populations. Proceedings of Workshop on Shell Disease, March 2005. New England Aquarium Publication .

Dunnington, M.J., R.A. Wahle, M.C. Bell, N.R. Geraldi*. 2005. Evaluating local population dynamics of the American lobster, Homarus americanus, with trap-based mark-recap ture methods and seabed mapping. N. Z. J. Mar. Freshw. Res. 39: 1253-1276. https://doi.org/10.1080/00288330.2005.9517391

Wahle, RA., L.S.Incze, M. Fogarty. 2004. First projections of American lobster Homarus americanus recruitment from a settlement index. Bull. Mar. Sci. 74: 101-114. 

Incze, L.S., Wolff, N., Wahle, R.A. 2003. Can scientific observations of early life stages be scaled up to the level of a fished population? A case study using Homarus americanus. Fish. Res. 65: 33-46. https://doi.org/10.1016/j.fishres.2003.09.005

Wahle, R.A. 2003. Revealing the stock-recruitment relationship in lobsters and crabs: Is experimental ecology the key? Fish. Res. 65: 3-32. https://doi.org/10.1016/j.fishres.2003.09.004

Wahle, R.A. and A. Gilbert* 2002. Detecting spawning by the green sea urchin (Strongylocentrotus droebachiensis) with time-integrated fertilization assays. Mar. Biol. 140: 375-382. https://doi.org/10.1007/s002270100701

Wahle, R.A., O. Tully, and V. O’Donovan*. 2001. Environmentally mediated crowding effects on growth, survival and metabolic rate of juvenile American lobster (Homarus americanus). Mar. Freshw. Res. 52: 1157-1166. https://doi.org/10.1071/MF01185

Castro, K., Cobb, J.S., Wahle, R.A., Catena, J. 2001. Habitat addition and stock enhancement for American lobsters, Homarus americanus. Mar. Freshw. Res. 52: 1253-1261. https://doi.org/10.1071/MF01095

Wahle, R.A. 2000. Fisheries in a sea of change: Ecology and oceanography of New England’s fishing grounds.Proceeding of the Sea Grant symposium on the history and future of New England’s offshore fishing grounds. Connecticut College, April, 1999. Northeast Naturalist. 7: 317-328. https://doi.org/10.2307/3858513

Incze, L.S., R.A. Wahle, A. Palma*. 2000. Advection and settlement rates in a benthic invertebrate: recruitment to first benthic stage in Homarus americanus. ICES J. Mar. Sci. 57: 430-437. https://doi.org/10.1006/jmsc.1999.0603

Cobb, J.S., M. Clancy*, R.A. Wahle. 1999. In: L.R. Benaka (ed.) Fish habitat: Essential Fish habitat and rehabilitation. Habitat-based assessment of lobster abundance: a case study of an oil spill. Proceedings of the Sea Grant symposium on fish habitat, Hartford, CT 26-27 Aug. 1998. Am. Fish. Soc. Symp. 22: 285-298.

Wahle, R.A. and H. Peckham.1999. Density-related reproductive trade-offs in the green sea urchin, Strongylocentrotus droebachiensis. Mar. Biol. 134:127-137. https://doi.org/10.1007/s002270050531

Wahle, RA 1998. A cradle-to-grave approach to lobster stock assessment and enhancement. In : Gendron, L. (ed) Proceedings of a workshop on lobster stock enhancement, Magdalen Islands, Quebec. Oct. 29-31, 1997. Can. Industry Rept Fish. Aquat. Sci. 244: 85-92.

James-Pirri, M.J.*, J.S. Cobb, and R.A. Wahle. 1998. Influence of settlement time and size on post-settlement growth in the American lobster (Homarus americanus). Can. J. Fish. Aquat. Sci. 55: 2436-2446. https://doi.org/10.1139/cjfas-55-11-2436

Palma, A. T.*, R. A.Wahle, and R. S.Steneck. 1998 . Different early post-settlement strategies between American lobsters (Homarus americanus) and rock crabs (Cancer irroratus) in the Gulf of Maine. Mar.Ecol. Prog. Ser. 162: 215-225. https://doi.org/10.3354/meps162215

Wahle, R.A. 1997. Consequences of fishing, with regard to lobster fisheries: report from a workshop. Mar & Freshw. Res. 48: 1115-1120. https://doi.org/10.1071/MF97185

Incze, L.S., R.A. Wahle, JS. Cobb. 1997. Quantitative relationships between postlarval supply and benthic recruitment in the American lobster. Mar & Freshw. Res. 48: 729-743. https://doi.org/10.1071MF97204

Wahle, R.A. and L.S. Incze. 1997. Pre- and post-settlement processes in recruitment of the American lobster. J. Exp. Mar. Biol. Ecol. 217: 179-207. https://doi.org/10.1016/S0022-0981(97)00055-5

Bertness, M., S. Gaines and R.A.Wahle. 1996. Wind-driven settlement patterns in the acorn barnacle, Semibalanus balanoides Mar. Ecol. Prog. Ser. 137: 103-110. https://www.int-res.com/articles/meps/137/m137p103.pdf

Wahle, R.A., O.Tully, and V. O’Donovan*. 1996.Lipofuscin as an indicator of age in crustaceans: analysis of the pigment in the lobster, H. americanus. Mar. Ecol. Prog. Ser. 138: 117-123. https://doi.org/10.3354/meps13811

Wahle, R.A. 1995. A trans-Atlantic perspective on lobster recruitment and enhancement. Proceedings Workshop on Lobster Enhancement. Norwegian Inst. Marine Research. June 1995.

Wahle, R.A., L.S. Incze, and J.S. Cobb. 1994. Targeting lobster enhancement: understanding the interaction of habitat and larval supply. Proceedings Workshop on Fisheries Enhancement. University College Galway, Ireland. April, 1994.

Cobb, J.S., & R.A. Wahle.1994. Early life history and recruitment processes of clawed lobsters: a review. Crustaceana 67: 1-25. https://doi.org/10.1163/156854094X00260

Wahle, R.A. 1993. Gimme shelter. Natural History 102: 42-49.

Wahle, R.A. 1993. Recruitment to American lobster populations along an estuarine gradient. Estuaries 16: 731-738. https://doi.org/10.2307/1352431

Wahle, R.A. 1992. Body-size-dependent anti-predator mechanisms of the American lobster and a model of their trade-offs. Oikos 65:52-60. https://doi.org/10.2307/3544887

Wahle, R. A. & R.S. Steneck. 1992. Habitat restrictions in early benthic life: experiments on substratum selection and in situ predation with the American lobster. J. Exp. Mar. Biol. Ecol. 157: 91-114. https://doi.org/10.1016/0022-0981(92)90077-N

Wahle, R.A. 1992. Substratum constraints on body size and the behavioral scope of shelter use in the American lobster.J. Exp. Mar. Biol. Ecol. 159: 59-75. https://doi.org/10.1016/0022-0981(92)90258-C

Williams, A.B., & R.A. Wahle. 1992. How to distinguish juvenile stages of Jonah and Atlantic rock crabs,Cancer borealis & C. irroratus. J. Crust. Biol. 12: 464-466. https://doi.org/10.2307/1549040

Wahle, R. A. & R.S. Steneck. 1991. Recruitment habitats and nursery grounds of the American lobster (Homarus americanus ): a demographic bottleneck? Mar. Ecol. Prog. Ser. 69: 231-243. https://doi.org/10.3354/meps069231

Incze, L. and R.A. Wahle. 1991. Recruitment from pelagic to early benthic phase in lobsters Homarus americanus. Mar. Ecol. Prog. Ser. 79: 77-87. https://doi.org/10.3354/meps079077

Wahle, R. A. 1990. Recruitment, habitat selection, and the impact of predators on the early benthic phase of the American lobster (Homarus americanus Milne Edwards). PhD dissertation. University of Maine. 137 pp.

Wahle, R. A. 1985. Feeding ecology of Crangon franciscorum and Crangon nigricauda in San Francisco Bay, California. J. Crustacean Biol. 52: 311-326. https://doi.org/10.2307/1547879

Manuscripts in review and in preperation

Bergeron, C.*, R.A. Wahle, Y. Chen. In prep. Regionally specified step-wise growth models for the American lobster. To be submitted to Can. J. Fish. Aquat. Sci. 

Jaini, M.*, R.A. Wahle, A. Thomas. In prep. Oceanographic correlates of lobster settlement in the Gulf of Maine and southern New England shelf. To be submitted to Fish. Oceanogr.

Technical Reports (most recent first) 

Glenn, R + 8 coauthors including R.Wahle. 2011. Examining settlement dynamics of postlarval American lobster (Homarus americanus), in Lobster Management Area 2. Final Report. Southern New England Collaborative Research Initiative. NOAA Grant Number NA08NMF4720595

Bergeron, C., R.A. Wahle, Y. Chen, P. Lawton. 2011. Research on lobster age-size relationships: Developing regionally specified growth models from meta-analysis of existing data. Final Project Report. Maine Department of Marine Resources Lobster Research Education and Marketing Board.

Wahle, R.A. 2006. Implications of climate change for American lobster distributions in the northeast United States over the next century. White paper submitted to Union of Concerned Scientists, Northeast Climate Impacts Assessment Team.

Northeast Fisheries Science Center. 2006. Section D. Assessment of deep-sea red crab. In: 43rd Northeast Regional Stock Assessment Workshop (43rd SAW): 43rd SAW assessment report. US Dep. Commer, Northeast Fish. Sci. Cent. Ref. Doc. 06-25. 400 pp. (R. Wahle led Stock Assessment Report Committee)

Wahle, R.A. and Gaudette, J. 2004. Sea urchin conservation areas in Maine: winter survey results 2000-2003. Final Project Report submitted to Maine Department of Marine Resources

Wahle, R.A., O’Donnell, K.P., Dunnington, M.J., Bell, M. 2003. Impact of dredged sediment disposal on lobster and crab abundance and movements at the Rockland disposal site. US Army Corps of Engineers, New England District. Disposal Monitoring System. DACW33-03-D-007 TO5 / 09000-351-260

Wahle, R.A. 2002, -03, -04. Update 2001, -02, -03: New England lobster settlement index. Reports to Maine Department of Marine Resources, Rhode Is. Dept. Environmental Management, and Maine Lobstermens Association.

Wahle, R.A. 2000. A larval settlement index for forecasting trends in the American lobster fishery. Final Report to Maine Department of Marine Resources, Lobster Advisory Council.

Wahle, R.A. & R. Langton. 1999. Acoustic tagging of reared Atlantic cod. Final Project Report to the Island Institute. 11

Wahle, R.A. 1999. Impact of sea urchin dragging on the sea bed. Final Project Report to Maine Department of Marine Resources Sea Urchin Advisory Committee.

Wahle, R.A. 1998. Density-related reproductive trade-offs in the Green Sea Urchin, Strongylocentrotus droebachiensis and implications to the Gulf of Maine fishery. Final Project Report to Maine Department of Marine Resources Sea Urchin Advisory Committee.

Beatty, L., B. Nowicki, A. Keller, R. Wahle, C. Labash, & P. August. 1993. A plan for inventory and monitoring of submerged aquatic resources at Cape Cod National Seashore. Final Report to the National Park Service

Wahle, R.A. 1991. The American lobster in Narragansett Bay: patterns of benthic recruitment, adult populations, and fishing effort. Final Report submitted to the Narragansett Bay Project.

Steneck, R.S., R.L. Vadas, I.R. Davison, I. Babb, R.A. Wahle, 1990. Changes in coastal food webs and benthic community structure in the Gulf of Maine due to fisheries induced declines in large predatory fishes. NURC, Annual Report.

Presentations for Professional Meetings and Invited Talks:

(most recent first) 

* Student authors

Pershing, A.J., K.E. Mills, Y. Chen, A.C. Thomas, and R.A. Wahle. 2014. Impact of the 2012 Ocean Heat Wave on Fish and Fisheries. Poster presentation. ASLO Ocean Sciences Meeting. February 23-28. Honolulu, HI

Oppenheim, N.G., R.A. Wahle, D.C. Brady. 2014. Can we forecast the future of the American lobster fishery from a larval settlement index? Poster presentation. ASLO Ocean Sciences Meeting. February 23-28. Honolulu, HI

Wahle, R.A. and P. Jekielek. 2014. The American Lobster Settlement Index: a US-Canada collaborative for ecological and fishery monitoring. Poster presentation. ASLO Ocean Sciences Meeting. February 23-28. Honolulu, HI

Bayer, S.R., Wahle, R.A., Brady, D.C., Brooks, D.A., Jumars, P.A. 2014. Scale of fertilization success in an exploited broadcast spawner: from an individual to an estuary. Poster presentation. ASLO Ocean Sciences Meeting. February 23-28. Honolulu, HI

Wahle, R. 2014. The American lobster in a changing climate. Invited Webinar presentation. Northeast Coastal Acidification Network (NECAN). Hosted by NERACOOS. January 21, 2014. http://www.neracoos.org/necan

Wahle, R., L. Delinger, S. Olsenewski. 2013. A Fisherman-Scientist Collaboration: Re-assessing Narragansett Bay lobster nurseries after two decades of environmental change. Commercial Fisheries Research Foundation. Invited talk. November 11, 2013. University of Rhode Island, Kingston, RI.

Pershing, A., K.E. Mills, A.C. Thomas, R.A. Wahle. 2013. Impact of the 2012 ocean heat wave on fish and fisheries. ICES Annual Science meeting. 23-27 September 2013, Reykjavik, Iceland.

Wahle, R.A. 2013. The 2012 ocean heat wave and other recent climate impacts to New England lobsters: A contrast of economic and biological crises. Gulf of Maine Council Climate Network Symposium. September 10-11, 2012. Orono, ME

Wahle, R.A. 2013. The American lobster in a changing ecosystem. Invited talk. Fisheries in a Climate of Change. Island Institute. 1-2 Aug, 2013. Portland, ME.

Wahle, R.A. 2013. The American lobster in a changing ecosystem. Invited talk. Atlantic Lobster Sustainability Foundation. Annual Meeting. 23-24 July, 2013. Moncton, NB, Canada. 12

Bayer, S.R.*, R.A. Wahle, D. C. Brady, C. E. Bergeron, and P.A. Jumars. 2013. Exploring fertilization success of Placopecten magellanicus aggregations in an empirically-informed model. International Pectinid Workshop. Poster presentation.10-16 April, 2013. Florianopolis, Brazil.

Hunt, H., R. Wahle, M. Comeau, A. Silva, J. Tremblay, V. Burdett-Coutts, R. Rochette. 2013. Cobble-filled collectors as a biodiversity monitoring tool: spatial variation in fish and decapod communities in New England and Atlantic Canada. Benthic Ecology Meetings. 22-24 Mar. 2013. Charleston, SC

Wahle, R.A., M. Gibson, M. Fogarty. 2012. Closing the Circle: Southern New England’s Lobster Collapse Reveals Strong Environmental Signature in the Spawner-to-Recruit Linkage. US-Canada Science Symposium: the American Lobster in a Changing Ecosystem. 27-30 Nov 2012, Portland, ME

Steneck, R.S. and R.A. Wahle. 2012. The American lobster dynamics in a brave new ocean. US-Canada Science Symposium: the American Lobster in a Changing Ecosystem. 27-30 Nov 2012, Portland, ME

Oppenheim, N.G.*, R.A. Wahle. 2012. Cannibals by night? In situ video monitoring reveals diel shifts in inter- and intra-specific predation on the American lobster. US-Canada Science Symposium: the American Lobster in a Changing Ecosystem. 27-30 Nov 2012, Portland, ME

Wahle, RA, M. Gibson, M. Fogarty, L. Incze, H. Xue. 2012. Fishery in a death spiral: Disease, oceanography and the demise of lobsters in southern New England. Invited Departmental seminar. Dalhousie University 27 Mar 2012.

Bayer, S*, RA Wahle, C. Bergeron.2012. Exploring reproductive success of ocean scallop aggregations through coupled laboratory and field experiments. Benthic Ecology Meeting, Norfolk, VA 22-25 Mar 2012.

Bergeron, C.*, RA Wahle, A. Palma, Freytes-Ortiz, IM*, Petraitis, P. 2012. Do it all in one dive! Rapid assessment of foodweb dynamics in shallow subtidal cobble communities. Benthic Ecology Meeting, Norfolk, VA 22-25 Mar 2012.

Palma, AT, RS Bennett*, RA Wahle, C. Bergeron*, B. 2012. San Martín. Dwarfism in the coastal decapod assemblage of Robinson Crusoe Island, Chile: a predator-driven pattern? Benthic Ecology Meeting, Norfolk, VA 22-25 Mar 2012.

Wahle, RA, C. Brown*, K. Hovel. 2012. Geography & body size dependence of top-down forcing in New England’s lobster-groundfish interaction. Benthic Ecology Meeting, Norfolk, VA 22-25 Mar 2012.

Wahle, RA. 2012. Update 2011: American Lobster Settlement Index – A Fisherman-Scientist Collaboration. FSRS Annual Meeting. Truro, NS 24 Feb 2012.

Messerman, N.*, RA Wahle, C. Bergeron. 2012. Ocean acidification effects on fertilization & sperm motility in the giant sea scallop, Placopecten magellanicus. ASLO Annual Ocean Sciences meeting. Salt Lake City, UT 20-24 Feb 2012.

Wahle, RA. 2012. Developing Tools to Evaluate Spawning and Fertilization Dynamics of the Giant Sea Scallop Phase I & II. NMFS Scallop PDT meeting. Warwick, RI 25 Jan 2012.

Wahle, RA, C. Brown*, K. Hovel. 2012. Fishermen, Groundfish & Lobsters in the Northwest Atlantic: Revealing the Geography of Top-down Forcing. Invited talk. Mote Symposium. Sarasota, FL. 8-10 Nov 2011.

Wahle, RA, L. Dellinger, S. Olzewski. 2011. A Fisherman-Scientist Collaboration: Re-assessing Narragansett Bay Lobster Nurseries After Two Decades of Environmental Change. CFRF Annual Meeting. Kingston RI25 Oct 2011. 13

Wahle, RA. 2011. The American Lobster Settlement Index: Fishermen & scientists collaborate to monitor lobster nurseries in New England & Atlantic Canada . Atlantic Lobster Sustainability Foundation Annual Meeting. 26 July 2011.

Chang, J-H* , Y. Chen, R. Wahle, and C. Wilson. 2011. Spatial and temporal coherence of settlement, juvenile, and adult American lobster, Homarus americanus, in the coastal Gulf of Maine. 9th International Conference & Workshop on Lobsters. Hosted by Institute of Marine Research. Bergen, Norway. June 20-24, 2011.

Oppenheim, N.G.* and R.A. Wahle. 2011. A cannibal by night? In situ infra-red video monitoring reveals diel shifts in inter- and intra-specific predation on tethered American lobster. 9th International Conference & Workshop on Lobsters. Hosted by Institute of Marine Research. Bergen, Norway. June 20-24, 2011.

Bergeron, C.*, R. Wahle, Y. Chen, P. Lawton. 2011. Temperature matters: moving toward a degree-day model for the growth of the American lobster. 9th International Conference & Workshop on Lobsters. Hosted by Institute of Marine Research. Bergen, Norway. June 20-24, 2011.

Wahle, R.A., C. Bergeron*, J. Tremblay, C. Wilson, V. Burdett-Coutts*, M.l Comeau, R. Rochette, P. Lawton, R. Glenn, M. Gibson. 2011. American lobster benthic recruitment from New England to Newfoundland as measured by diver-based suction sampling and passive postlarval collectors. 9th International Conference & Workshop on Lobsters. Hosted by Institute of Marine Research. Bergen, Norway. June 20-24, 2011.

Wahle, R.A., M. Gibson, M. Fogarty. 2011. Distinguishing disease impacts from larval supply effects in southern New England’s lobster fishery collapse. 9th International Conference & Workshop on Lobsters. Hosted by Institute of Marine Research. Bergen, Norway. June 20-24, 2011.

Jaini, M.*, R. Wahle, A. Thomas. 2011. Environmental correlates of American lobster settlement at the sea surface as measured by satellites and oceanographic buoys. 9th International Conference & Workshop on Lobsters. Hosted by Institute of Marine Research. Bergen, Norway. June 20-24, 2011. (BEST STUDENT PAPER)

Wahle, R.A., K. Hovel, C. Brown*. 2011. Geography of top-down forcing in the Northwest Atlantic lobster-groundfish interaction: the role of predator diversity, identity and abundance. 9th International Conference and Workshop on Lobsters. Institute of Marine Research. Bergen, Norway, June 20-24, 2011.

Phillips, B. F., R.Wahle and M. Jaini*. 2011. Lobsters as part of Marine Ecosystems- A review. 9th International Conference and Workshop on Lobsters. Institute of Marine Research. Bergen, Norway, June 20-24, 2011.

Wahle, R.A. 2011. Larval Transport, Settlement and Nurseries. Casco Bay Workshop. Hosted by Casco Bay Estuary Partnership. Portland, ME. May 18, 2011.

Wahle, R.A. 2011. Update 2010: American Lobster Settlement Index – A Fisherman-Scientist Collaboration. ALSI Workshop during Fishermen and Scientists Research Society Annual Meeting. Truro, NS Canada, Mar 23-26, 2011

Tremblay, J. and R.A. Wahle. 2011. What do we know about: Lobster Settlement & Early Juveniles. Fishermen and Scientists Research Society Annual Meeting. Truro, NS,Canada. 23 Mar 2011.

Wahle, R.A. 2011. Developing Tools to Understand & Predict Fisheries Trends. Webinar Hosted by UMaine’s COSEE-Ocean Sciences . 16 Feb 2011. http://cosee.umaine.edu/about/ 14

Wahle, R.A., G. Gerlach, J. Depperman*, T. Ames. 2010. Developing Genetic Fingerprinting Techniques for Lobster Seeding Trials in New England. Alaska Inter-agency Crab Meeting. [Annual meeting hosted by Alaska Dept Fish and Game, Anchorage, AK, 10 Dec 2010]

Mahima, J.*; Wahle, R.; Thomas, A.; Lawton, P. Environmental Forcing of American Lobster (Homarus americanus) Settlement in inshore nursery grounds: Role of temperature and wind. RARGOM Annual Science meeting, Portsmouth, NH, 6 Oct 2010.

Wahle, R.A. , C. Brown*, K. Hovel. 2010. Fishermen, Groundfish & Lobsters in the Northwest Atlantic: Revealing the Geography of Top-down Forcing. Invited speaker Univ Florida, Gainesville. 9 Apr 2010

Jaini, M.*, R. Wahle, A. Thomas, P. Lawton. 2010. Environmental Forcing of American Lobster (Homarus americanus) Settlement: Role of temperature and wind. Benthic Ecology Meeting, Beaufort, NC. Mar 10-13, 2010.

Wahle, R.A., J.S. Cobb, L. Incze, P. Lawton, M. Gibson, R. Glenn, C. Wilson, J. Tremblay. 2010. The American Lobster Settlement Index at 20 years: looking back, looking ahead. Maine Sea Grant Symposium. 3 Mar 2010.

Oppenheim, N.*, and R. Wahle. 2010. In situ monitoring of tethered lobsters reveals diel shifts in predation intensity and cannibalism. ASLO Ocean Sciences Meeting, Portland, OR, Feb 2010.

Bergeron, C.*, R. Wahle, Y. Chen, P. Lawton. 2009. Modeling growth without age-markers in a variable environment: integrating size-frequency and tag-based methods in the American lobster. International Conference on Recent Advances in Lobster Biology Aquaculture and Management (RALBAM 2010),Chennai, INDIA, 5-8 Jan 2010.

Jaini, M.*, R. Wahle, A. Thomas, P. Lawton. 2009. Environmental Forcing of American Lobster (Homarus americanus) Settlement: Role of temperature and wind. International Conference on Recent Advances in Lobster Biology Aquaculture and Management (RALBAM 2010), Chennai, INDIA 5-8 Jan 2010

Wahle, R.A., J.S. Cobb, L. Incze, P. Lawton, M. Gibson, R. Glenn, C. Wilson, J. Tremblay. 2009. The American Lobster Settlement Index at 20 years: Looking back – looking ahead. International Conference on Recent Advances in Lobster Biology Aquaculture and Management (RALBAM 2010), Chennai,INDIA 5-8 Jan 2010

Wahle, R.A. , C. Brown*, K. Hovel. 2009. Geography of top-down forcing in the Northwest Atlantic groundfish-lobster interaction: insights from subtidal experimentation and surveys. XVI Reunión Anual de la Sociedad de Ecología de Chile: Ecología para el Nuevo Milenio, Valdivia, Chile. 8-10 Oct 2009.

Wahle, R.A. , C. Brown*, K. Hovel. 2009. Geography of top-down forcing in the Northwest Atlantic groundfish-lobster interaction: the role of predator diversity, identity and abundance. RARGOM meeting, St. Andrews, NB 4-9 Oct, 2009

Bergeron, C.*, R. Wahle, Y. Chen, P. Lawton. 2009. Developing regionally specific growth models for the American lobster: revealing spatial variability and environmental forcing. RARGOM meeting, St. Andrews, NB, 4-9 Oct, 2009.

Wahle, R.A. (Workshop host and organizer) 2009. The American Lobster Settlement Index at 20 years: Looking back/ looking ahead. Workshop by the same title. Burnt Island, Boothbay Harbor, ME, Jun 2009.

Bergeron, C.* and R.A. Wahle. 2009. Size range definitions for young-of-year and one-year-old American lobsters from size frequency data. Poster delivered at Workshop: The American Lobster Settlement Index at 20 years: Looking back/ looking ahead. Burnt Island, Boothbay Harbor, ME, Jun 2009. 15

Jaini, M.* and R.A. Wahle. 2009. Understanding the inter-annual variability in American lobster (Homarus americanus) settlement. Poster delivered at Workshop: The American Lobster Settlement Index at 20 years: Looking back/ looking ahead. Burnt Island, Boothbay Harbor, ME, Jun 2009.

Wahle, R. M..J. Dunnington, K. O’Donnell, N. Geraldi*, A. Gontz*, M.C. Bell. 2009. Evaluating local lobster population dynamics with geo-referenced trap arrays, mark-recapture methods & seabed mapping. Workshop: Integrating sea floor mapping and benthic ecology into fishery management in the Gulf of Maine. Gulf of Maine Research Institute, Portland, ME Apr. 2009.

Bergeron, C. E.*, R. Wahle, Y. Chen. 2009. The age-old problem of aging old lobsters: linking tag-based and size frequency-based approaches to growth modeling. Benthic Ecology Meetings, Corpus Christi, TX, Mar. 2009.

Burdett-Coutts, V.*, R. Wahle, P. Snelgrove. 2009. Behavior experiments help reconcile contradictory patterns of postlarval American lobster recruitment at different spatial scales. Benthic Ecology Meetings, Corpus Christi, TX, Mar. 2009.

Wahle, R.A. 2009. American lobster settlement index. Maine DMR Lobster Program Review Panel. West Boothbay Harbor, ME. Feb, 2009.

Wahle, R.A., C. Brown*, K. Hovel. (Invited speaker) 2008. A latitudinal gradient in trophic forcing linked to predator diversity: The ground fish-lobster interaction in the Northwest Atllantic. Department of Ecology and Evolution. Universidad Catholica de Chile, Santiago. Dec. 2008.

Wahle, R.A., C. Brown*, K. Hovel. (Invited speaker) 2008. North-south shift in trophic forcing linked to predator species richness: the groundfish-lobster interaction in New England. Gulf of Maine Symposium. Biology Department, Bowdoin College, Brunswick, ME. May, 2008.

Wahle, R.A. (Invited speaker) 2008. From larvae to landings: Understanding lobster ecology at large scales. UMass. Dartmouth/ SMAST. Apr. 2008.

Wahle, R.A. (Invited speaker) 2008. From larvae to landings: Understanding lobster ecology at large scales. Biology department. Old Dominion University, Norfolk, VA. Feb. 2008.

Meyers, P.*, A. Pershing and R.A. Wahle. 2008. Atmospheric forcing on lobster postlarval settlement. American Meteorological Society Meeting. New Orleans, LA. Jan. 2008.

Wahle, R.A. 2008. Testing genetic fingerprinting in lobster enhancement trials. Penobscot East Resource Center, Annual Workshop. Stonington, ME, Apr. 2008.

Wahle, R.A. 2008. Maine Zone C Lobster Hatchery seeding trials. Maine Fishermans Forum. Rockland, ME. Mar, 2008.

Wahle, R.A., C.E. Bergeron*, A.S. Chute, L.D. Jacobson, and Y.Chen. (Invited speaker) 2008. The northwest Atlantic deep-sea red crab (Chaceon quinquedens) population before and after the onset of harvesting. National Shellfish Association Meeting. Providence, RI. April, 2008.

Bergeron, C.*, R.A. Wahle. 2008. A lobster hatchery in Maine: Why now? Benthic Ecology Meetings, Providence, RI, Apr. 2008.

Wahle, R.A., C. Bergeron*, C. Wilson, M. Parkhurst. 2008. Probing uncharted waters: Vessel-deployed passive post-larval collector sees American lobster settlement at record depths. Benthic Ecology Meetings, Providence, RI, Apr. 2008.

Wahle, R.A. (Workshop Organizer). 2008. Probing uncharted waters: A vessel-deployed collector to assess deepwater settlement of the American lobster: An expanding collaboration. Lobster Collector Research Collaborative Workshop. Fisherman & Scientist Research Society Ann. Mtg. Truro, Nova Scotia. Feb. 18, 2007. 16

Wahle, R.A. 2007. Maine Zone C Lobster Hatchery seeding trials. Workshop on Lobster Hatchery Enhancement. New England Aquarium. Dec. 18, 2007.

Brown, C.*, R.A. Wahle, K. Hovel. 2007. Spatial and temporal patterns of predation on the American lobster along New England’s biogeographic transition zone. International Conference and Workshop on Lobsters. Charlottetown, PEI, Canada, Sept. 2007.

Bergeron, C.*, R.A. Wahle, C. Wilson, M. Parkhurst. 2007. Probing uncharted waters: A vessel-deployed collector to assess deepwater settlement of the American lobster. International Conference and Workshop on Lobsters. Charlottetown, PEI, Canada, Sept. 2007.

Wahle, R.A., A. Pershing. 2007. Spatial coherence and climate forcing in American lobster settlement. International Conference and Workshop on Lobsters. Charlottetown, PEI, Canada, Sept. 2007.

Brown, C.*, R.A. Wahle, K. Hovel. 2007. Spatial and temporal effects on predation along the New England biogeographic transition zone. New England Estuarine Research Society Meeting. Boothbay Harbor, ME. May, 2007.

Wahle, R.A. (invited speaker). 2007. Collectors to assess deepwater settlement of the American lobster. Fisherman & Scientist Research Society Ann. Mtg. Truro, Nova Scotia. Feb. 2007.

Wahle, R.A. (Keynote Speaker) 2006. Detecting the impact of disease on New England lobster populations. 3rd Annual Lobster Science Workshop. Univ. Prince Edward Island. Aug. 2006.

Bellantuono, A.*, R.A. Wahle, K.A. Hovel. 2006. Shelter fidelity of the juvenile American lobster, Homarus americanus, in two regions. Benthic Ecology Meeting. Quebec City, Mar. 2006.

Bergeron, C.E.*, R.A. Wahle, J. Williams, Y. Chen. 2006. New England deep-sea red crab after a decade of harvesting: consequences to reproduction? Benthic Ecol. Mtg. Quebec, 3/2006.

Brown, C.*, R.A. Wahle, K. Hovel. 2006. Something fishy or a bad case of crabs: testing for artifacts of tethering in large scale field experiments. Benthic Ecol. Mtg. Quebec, 3/2006.

Selgrath, J.*, K.Hovel, R.A. Wahle. 2006. Edge effects on American lobster survival and abundance. Benthic Ecology Meeting. Quebec City, Mar. 2006.

Wahle, R.A., M. Gibson. 2005. Impact of shell disease on local recruitment dynamics of the American lobster. Western Society of Naturalists Meeting. Monterey, CA. Nov. 2005.

Wahle, R.A., M. Gibson. 2005. Regional shift from larval supply- to disease-dominated dynamics in New England lobsters: A challenge to forecasting recruitment. Ecological Society of America Meeting. Montreal. Aug. 2005.

van der Meeren, G. and R.A. Wahle. 2005. Shelter competition between Homarus americanus Milne Edwards and Homarus gammarus L.: assessing the morphological correlates of behavioral dominance. Crustacean Society Meeting. Glasgow, Scotland. Aug. 2005.

Hovel, K.A. and R.A. Wahle 2005. Regional patterns of juvenile American lobster shelter us, mortality, and movement. Benthic Ecology Meetings. College of William & Mary. April 2005.

Wahle, R.A., M. Gibson. 2005. Forecasting decline in Rhode Island lobsters: a shift from larval supply to desease dominated dynamics? Benthic Ecology Meetings. College of William & Mary. April 2005.

Brown, C.*, R.A. Wahle, K. Hovel. 2005. Spatial effects of predation on the American lobster. Benthic Ecology Meetings. College of William & Mary. April 2005.

Wahle, R.A., M. Gibson. 2005. Population level impacts of shell disease in coastal Rhode Island. State of Lobster Science Workshop – Lobster shell disease-assessing research priorities for understanding how Lobster biology and health issues impact productivity. UMass, Boston, March 12-13, 2005. 17

Belknap, D., A.M. Gontz*, R.A.Wahle, K. Hovel. 2004. Mapping lobster habitat with sidescan sonar and ROV: a geologic and benthic oceanographic collaboration. Annual meeting Geological Society of America. Feb. 2004.

Dunnington, M, Wahle, R.A., Bell, M. 2004. Seabed mapping and geo-referenced, trap-based mark-recapture methods help evaluate local American lobster population dynamics. 7th International Lobster Conf. And Workshop, Hobart, Tasmania. Feb. 2004.

Wahle, R.A., R. Glenn, P. Lawton, R.S. Steneck, C.A. Wilson, L.S. Incze. 2004. The American lobster settlement index: a tool for stock assessment and environmental monitoring. . 7th International Lobster Conf. and Workshop, Hobart, Tasmania. Feb. 2004.

Wahle, R.A., K. Hovel, D. Belknap. 2004. Regional differences in the strength of demographic bottlenecks in the American lobster. 7th International Lobster Conf. And Workshop, Hobart, Tasmania. Feb. 2004.

Wilson, C.J., R.S. Steneck, R.A.Wahle. 2004. Bathymetric and spatial patterns of settlement in American lobster, Homarus americanus, in the Gulf of Maine: insights into processes controlling abundance. 7th International Lobster Conf. And Workshop, Hobart, Tasmania. Feb. 2004.

Incze, L.S., H. Xue, Y. Chen, R.S. Steneck, C. Wilson, R. Wahle. 2004. Data assimilation and modeling of source-sink relationships and fishery production of Homarus americanus in the Gulf of Maine. ASLO Ocean Research Conf. Honolulu, Feb. 2004.

Gaudette, J.*, Wahle, R.A., Himmelman, J. 2003. Reproductive consequences of small population size in free-spawning sea urchins. Western Society of Naturalists Meeting. Long Beach, CA. Nov. 2003.

Gaudette, J. and Wahle, R.A. 2003. Time-integrated fertlization assays detect mass, synchronous spawning in a population of green sea urchins. Benthic Ecology Meetings, Univ. Conn. March 2003.

Dunnington, M, R.A. Wahle. 2003. Trap-based methods to evaluate lobster population dynamics: validating trap-based mark-recapture abundance estimates with dive surveys. . Benthic Ecology Meetings, Univ. Conn. March 2003.

Geraldi, N.R.*, R.A. Wahle, M.J. Dunnington. 2003. Trap-based methods to evaluate lobster population dynamics: landscape-related patterns of catch and movement using GIS Benthic Ecology Meetings, Univ. Conn. March 2003.

O’Donnell, K.P.*, R.A. Wahle, M.J. Dunnington. 2003. Trap-based methods to evaluate lobster population dynamics: impact of dredge disposal on lobster and crab abundance. Benthic Ecology Meetings, Univ. Conn. March 2003.

Wahle, R.A., R. Glenn , P. Lawton, R.S. Steneck, C. Wilson. 2003. A lobster settlement index for New England and the maritimes: a tool for stock assessment and environmental monitoring. Benthic Ecology Meetings, Univ. Conn. March 2003.

Wahle, R.A. 2001. Post-settlement processes and the search for the stock-recruitment relationship in crabs and lobsters. Plenary speaker. European Decapod Fisheries Assessment and Management meeting. University of La Coruna, Spain. Oct. 2001.

Incze, L.S., Wahle, R.A., Wolff, N., Wilson, C. 2001. Changes in Homarus americanus recruitment in the Gulf of Maine—Larval Subsidy, Local Supply or Post-Emergent Survival? European Decapod Fisheries Assessment and Management meeting. University of La Coruna, Spain. Oct. 2001.

Castro, K., Cobb, J.S., Wahle, R.A., Catena, J. 2001. Habitat addition and stock enhancement for American lobsters, Homarus americanus. European Decapod Fisheries Assessment and Management meeting. University of La Coruna, Spain. Oct. 2001. 18

Wahle, R.A., A. Gilbert*, S. Kirby*. 2001. Detecting the time course and spatial extent of natural spawning by the green sea urchin with time-integrated fertilization assays. Benthic Ecology Meetings, UNH, March, 2001.

Dunnington, M., R.A. Wahle, and S. Smith*. 2001. Similar survival despite differing predation risk: a regional comparison of post-settlement processes in open nursery populations of the American lobster. Benthic Ecology Meetings, UNH, March, 2001.

Wahle, R.A., and Dunnington, M. 2000. Developing forecasting tools for the American lobster fishery. Presented annual workshop of the Penobscot Bay Cooperative. Isl. Inst, Dec. 2000.

Bannister, C., R.S. Steneck, R.A. Wahle, S. Lovewell*. 2000. Homarus americanus and H. gammarus: a comparison of their biology, fisheries, and ecology. International Lobster Conference, Key West, FL. Sept, 2000

Castro, K., J.S. Cobb, R.A. Wahle, J. Catena. 2000. Habitat addition and stock enhancement for American lobsters, Homarus americanus. International Lobster Conference, Key West, FL. Sept, 2000

Wahle, R.A., L.S. Incze, M.J. Fogarty. 2000 First projections of American lobster populations from a settlement index. International Lobster Conference, Key West, FL. Sept, 2000

Wahle, R.A., O. Tully, V. O’Donovan*. 2000. Environmentally mediated crowding effects on growth, survival and metabolic rate of juvenile American lobster (Homarus americanus). International Lobster Conference, Key West, FL. Sept, 2000

Wahle, R.A. and D. Huang. 2000. Multiple mark-recapture techniques to evaluate survival and movements in American lobster nurseries. Benthic Ecology Meetings, Wilmington, NC, March, 2000.

Wahle, R.A. Enhancement of European lobster production in Norway: A contribution to a feasibility study for Norsk Hummer AS. Oslo, Oct, 1999.

Wahle, R.A. 1999. Fisheries in a sea of change: ecology and oceanography of New England’s fishing grounds. Conference on the History, Status and Future of New England’s Offshore Fisheries. April 15-16, 1999, Connecticut College, sponsored by Connecticut Sea Grant.

Wahle, R.A. and B. Thompson*. 1999. Temperature-mediated crowding effects on early growth and survival of the American lobster: experiments on cohort interactions. Benthic Ecology Meetings, Baton Rouge, LA, March 26-29, 1999

Wahle, R.A. 1999. Developing a lobster settlement index for forecasting and stock assessment. Atlantic States Marine Fisheries Commisson Lobster Technical Committee Meeting. Mar 1999

Wahle, R.A. 1999. Developing a lobster settlement index for forecasting and stock assessment. New England Aquarium, Lobster Summit. March 2-3, 1999

Wahle, R.A. 1999. Developing a lobster settlement index for forecasting and stock assessment. US-Canadian Meeting on lobster ecology. Huntsman Marine Lab, St. Andrews, NB. November 2-3, 1998

Cobb, J.S., M. Clancy*, R.A. Wahle. 1998. Habitat-based assessment of lobster abundance. Am Fisheries Soc. Meeting on Fish Habitat: Essential Fish Habitat and Rehabitilitation, Hartford, CT. Aug. 26 -27 1998.

Peckham, H., R.A. Wahle, and K. Vertucci*. 1997. Sex and the single sea urchin: conflicting effects of population density on gonad development and fertilization success in the green sea urchin. Marine Benthic Ecology Meetings. Portland, ME, April, 1997

Vertucci, K.*, R.A. Wahle, and H. Peckham. 1997. Environmental effects on fertilization success in the green sea urchin, Strongylocentrotus droebachiensis. Marine Benthic Ecology Meetings. Portland, ME, April, 1997 19

Wahle, R.A., L.S. Incze, J.S. Cobb. 1997. Regional patterns of postlarval supply and benthic recruitment in New England. Internat’l Conf. on Lobsters, Queenstown, NZ, Feb. 1997.

Incze, L.S., R.A. Wahle., T. Ainaire, P. Aas, J. Burke*, M. Bowen. 1996. Relationship between postlarval supply and benthic recruitment of lobsters. RARGOM, St. Andrews, New Brunswick, Sep. 1996.

Incze, L.S., R.A. Wahle, J.S. Cobb. 1996. Larval transport in lobsters. National Shellfish Assn. Meetings, Baltimore, Apr. 1996.

Pirri-James, M.J.*, J.S. Cobb, R.A. Wahle. 1996. Size and timing of settlement in postlarval lobsters: is there a growth advantage? National Shellfish Assn. Meetings, Baltimore, Apr. 1996.

Wahle, R.A., L.S. Incze, and J.S. Cobb. 1996. A decade of progress in lobster recruitment studies: filling the gaps in early life history. Nat’l Shellfish Assn. Meetings, Baltimore, Apr. 1996.

Wahle, R.A., O. Tully, V. O’Donovan*. 1996. Age determination in crustacean: fluorescing age pigments as a potential tool in population studies. Benthic Ecology Meetings, USC, Mar. 1996.

Palma, A.*, R.A. Wahle, R.S. Steneck. 1996. Contrasting early post-settlement patterns and processes of Cancer irroratus and Homarus americanus. Benthic Ecology Meetings, USC, Mar. 1996

Wahle, R.A. 1995. Biogeography of homarid recruitment. Benthic Ecol. Meetings, Rutgers, Mar. 1995.

Wahle, R.A. & L.S. Incze. 1994. Evidence of local post-settlement crowding in the American lobster. Benthic Ecology Meetings, Mystic, CT, Mar. 1994

Wahle, R.A. & L.S. Incze. 1993. Pre- and Post-settlement processes in the American lobster. Larval Ecology Meeting. SUNY Stony Brook, Aug. 1993.

Wahle, R.A. 1991. Implications for lobster fishery enhancement from natural benthic recruitment, hatchery-reared “blues” and experimental cobbles. National Shellfish Association Meetings. Portland, Maine, Jun. 1991.

Wahle, R.A. 1991. When does habitat structure constrain the evolution of body size? Benthic Ecology Meetings, Virginia Institute of Marine Science, Mar. 1991.

Wahle, R.A. 1989. Chemically mediated predator avoidance in the American lobster (Homarus americanus ). Am. Soc. Zool. meetings, Boston, Dec. 1989.

Wahle, R. A. 1989. Patterns in the abundance of early benthic phase American lobsters and the processes mediating them in the Gulf of Maine. Workshop on the life history of the American lobster, University of Maine, Orono, Nov. 1989.

Wahle, R. A. 1989. Are predators ultimately responsible for the demography of early benthic phase American lobsters? Benthic Ecol. Mtg, Univ. Maryland, Mar. 1989

Wahle, R. A. 1988. Recruitment and body size-dependent habitat selection and predator impact on early benthic phase American lobsters (Homarus americanus ). Am. Soc. Zool., San Francisco, Dec. 1988. American Zoologist 30: 14 (abstract)

Wahle, R. A. 1988. Recruitment, substratum selection, and the impact of predators on early benthic phase American lobsters. AAAS Meeting, Boston, Feb. 1988.