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Maine Watershed Boundary Dataset

Maine Watershed Boundary Dataset. Coastal Delineations International Border Harmonization. Quebec, CA. New Brunswick, CA. New Hampshire. Atlantic Ocean. 01050002 – Coastal Washington & Hancock Counties, Maine. 1 st Iteration (early to mid-90s) of WBD stopped at land’s edge,

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Maine Watershed Boundary Dataset

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  1. MaineWatershed BoundaryDataset Coastal Delineations International Border Harmonization

  2. Quebec, CA New Brunswick, CA New Hampshire Atlantic Ocean

  3. 01050002 – Coastal Washington & Hancock Counties, Maine • 1st Iteration (early to mid-90s) of WBD stopped at land’s edge, • Islands > 10,000 acres coded • Marine waters and small islands ignored

  4. Ragged Coastline = • Edge • Habitat Diversity • Terrestrial • Fresh Aquatic • Ocean Aquatic • Intertidal

  5. Habitat Diversity • Shellfish beds • ESA-listed animals

  6. Habitat Diversity • Shellfish beds • ESA-listed animals • Bald Eagle nests

  7. Habitat Diversity • Shellfish beds • ESA-listed animals • Bald Eagle nests • Deer Wintering Areas

  8. Habitat Diversity • Shellfish beds • ESA-listed animals • Bald Eagle nests • Deer Wintering Areas • Tidal Waterfowl

  9. Habitat Diversity • Shellfish beds • ESA-listed animals • Bald Eagle nests • Deer Wintering Areas • Tidal Waterfowl • Shorebirds, SNI

  10. Habitat Diversity • Shellfish beds • ESA-listed animals • Bald Eagle nests • Deer Wintering Areas • Tidal Waterfowl • Shorebirds, SNI • Shellfish, Eelgrass Beds

  11. Blue Hill-Mt. Desert Frontal Drainages Frenchman’s Bay

  12. Shortnosed Sturgeon • NOAA Coastal Fisheries • ESA-listed Atlantic Salmon Rivers • US Fish & Wildlife Service • Atlantic Salmon Commission

  13. Conservation Partners that the WBD Brings to the Table • Maine Dept. of Environmental Protection • Water Quality regulation • 305b/303d reporting • Maine Dept. of Marine Resources • Shellfish Bed monitoring and closures • Maine Inland Fisheries & Wildlife • Maine Natural Areas Programs • Maine State Planning Office • NOAA Coastal Fisheries • US Fish & Wildlife Service

  14. MaineWatershed BoundaryDataset International Border Harmonization

  15. WBD • 5 St. John River Sub-basins form the roof of Maine • Eastern edge incomplete, doesn’t meet standard • NHD • Incomplete, stops at Canadian border Quebec New Brunswick

  16. Similar problem on the Canadian side

  17. International Joint Commission The IJC prevents and resolves disputes between the USA and Canada under the 1909 Boundary Waters Treaty and pursues the common good of both countries as an independent and objective advisor to the two governments. • Transboundary Hydrographic Dataset Harmonization Task Force (THDHTF) • Mike Laitta, of USGS fame, facilitating communication between US and Canada WBD/NHD counterparts. • WebEx • Face-to-face meeting 4/9/2009 between New Brunswick and Maine re: HUC8-CAN4 polygons.

  18. 01050004 01050001 Passamaquoddy Bay- Bay of Fundy St. Croix River 01050002

  19. The Devil’s in the details. The Prestile/Meduxnekeag Sub-basin has 2 pourpoints. Two small, previously undefined drainage areas we know drain to the St. John.

  20. US:CA = HUC8:CAN4

  21. Upper St. John will be split into 4 sub-basins along HUC10 boundaries. The St. John Basin will have 15 sub-basins. New polygons will be the templates for completing the NHD/NHN harmonization.

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