The Penobscot Bay Pilot article “Shrimp count remains low, depleted” mentioned a model developed by University of Maine researchers. The population of shrimp is still depleted and spawning stock biomass has been extremely low since 2013, according to the article. The 2018 stock assessment of the shrimp fishery investigated three models, with the preferred one read more Penobscot Bay Pilot article on shrimp cites UMaine model