PEARL is no longer being updated with new data. Data have been moved to a new site called KnowledgeBase. The KnowledgeBase site is updated frequently with new documents and data sets. Additional information that was available on PEARL is now accessible using the links below.

KnowledgeBase Special Collections

• Lakes of Maine
  Water quality, fisheries & other information about Maine lakes.
• Acadia National Park
  Access to the Park comprehensive bibliography and a growing series of Acadia-related data sets.
• Boston Harbor Islands
  Information on the 30 islands in this National Recreation Area.
• Freshwater Biodiversity in Maine
  Species Mapper, documents & data sets for Maine’s aquatic plant and animal communities. Data compilations are based on the Maine Aquatic Biodiversity Project.
• Diadromous Species Restoration Research Network (DSRRN website)
  DSRRN’s Natural Variability Records in KnowledgeBase
• Penobscot Basin Library
  A collection of ~ 1000 documents related to the Penobscot watershed. Compiled in 2008.
• Urban Streams
  Documents, data sets & organizations focusing on urban stream issues in Maine.

PEARL Focus Topics

• Penobscot Synthesis

PEARL Resources

• On-line data sources
• Teacher resources

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