Survey Work in the Housatonic River Watershed
The Housatonic River watershed is critical to biological conservation in Massachusetts. The Western New England Marble Valleys ecoregion that spans the lowlands of the Housatonic watershed is characterized by calcium-rich conditions that support many of the rarest plants, animals, and natural communities in the state. The watershed is currently known to support 110 plant species and 51 animal species protected under the Massachusetts Endangered Species Act (MESA), as well as 25 types of Priority Natural Communities.
As part of the legal settlement with the General Electric Company for releasing polychlorinated biphenyls (PCBs) into the Housatonic River and its floodplain, the Massachusetts Natural Heritage and Endangered Species Program (NHESP) was awarded funds via the Massachusetts Sub-Council of the Housatonic River Trustee Council under the auspices of the Massachusetts and Department of the Interior (DOI) Natural Resource Damage Assessment and Restoration (NRDAR) Programs. It used these funds to undertake one of the most intensive and comprehensive ecological field studies in the Program's history. This two year study, conducted in 2008 and 2009, focused on state-listed species and priority natural communities then known to occur in the watershed of the Housatonic River.
Studies targeted a total of 60 state-listed species including plants, butterflies and moths, dragonflies and damselflies, freshwater mussels, fish, salamanders, turtles, and marsh birds. The project also targeted 12 types of priority natural communities. Forty-seven target species and 21 non-target state-listed species were encountered during the studies. Among the newly documented species were ten Endangered, five Threatened, and six Special Concern species. All of the target types of natural communities were found and an additional four priority natural community types were documented for the first time in this watershed.
The survey results greatly enhance protection of natural resources under MESA and the Wetlands Protection Act and will also help establish conservation priorities for land protection. Field studies are described in the technical report file size 1MB , and--combined with existing natural resource data for the study area--form the basis for a biodiversity conservation plan that includes priorities and recommendations for habitat protection in the watershed of the Housatonic River. Also, a general report on the Housatonic survey work is available, called "The River and Its Valley" file size 5MB .
NHESP. 2010. Rare species and natural community surveys in the Housatonic River watershed of western Massachusetts. Natural Heritage & Endangered Species Program, Massachusetts Division of Fisheries and Wildlife, Westborough, MA. Available from: http://www.mass.gov/dfwele/dfw/nhesp/conservation/pdf/nhesp_<br />
housatonic_technical_report.pdf file size 1MB
NHESP. 2011. The river and its valley: conserving biodiversity in the Housatonic River watershed in western Massachusetts. Natural Heritage & Endangered Species Program, Massachusetts Division of Fisheries and Wildlife, Westborough, MA. Available from: http://www.mass.gov/dfwele/dfw/nhesp/conservation/pdf/housatonic_general_report.pdf file size 5MB
Town reports, general preferred citation:
NHESP. 2011. BioMap2, Guiding Land Conservation for Biodiversity in Massachusetts: TOWN NAME. Natural Heritage & Endangered Species Program, Massachusetts Division of Fisheries and Wildlife, Westborough, MA. Available from: http://www.mass.gov/dfwele/dfw/nhesp/conservation/housatonic.htm
The Housatonic biodiversity conservation plan is in the form of individual reports for each of 19 towns in the critical supporting watershed:
Dalton file size 2MB
Egremont file size 3MB
Great Barrington file size 3MB
Hancock file size 2MB
Hinsdale file size 2MB
Lanesborough file size 2MB
Lee file size 2MB
Lenox file size 2MB
Monterey file size 2MB
New Marlborough file size 2MB
Peru file size 1MB
Pittsfield file size 2MB
Richmond file size 2MB
Sheffield file size 3MB
Stockbridge file size 2MB
Tyringham file size 2MB
Washington file size 2MB
West Stockbridge file size 2MB
Windsor file size 2MB
These reports highlight the importance of this area to the overall biodiversity of the state. Clearly the Housatonic River watershed is a priority for biodiversity conservation in Massachusetts.
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