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Maine Watershed Boundary Dataset Coastal DelineationsCoastal Delineations International Border HarmonizationInternational Border Harmonization Slide 2 New Hampshire Quebec, CA New Brunswick, CA Atlantic Ocean Slide 3 01050002 Coastal Washington & Hancock Counties, Maine 1 st Iteration (early to mid-90s) of WBD stopped at lands edge, Islands > 10,000 acres coded Marine waters and small islands ignored Slide 4 Ragged Coastline = Edge Habitat Diversity Terrestrial Fresh Aquatic Ocean Aquatic Intertidal Slide 5 Habitat Diversity Shellfish beds Slide 6 Habitat Diversity Shellfish beds ESA-listed animals Slide 7 Habitat Diversity Shellfish beds ESA-listed animals Bald Eagle nests Slide 8 Habitat Diversity Shellfish beds ESA-listed animals Bald Eagle nests Deer Wintering Areas Slide 9 Habitat Diversity Shellfish beds ESA-listed animals Bald Eagle nests Deer Wintering Areas Tidal Waterfowl Slide 10 Habitat Diversity Shellfish beds ESA-listed animals Bald Eagle nests Deer Wintering Areas Tidal Waterfowl Shorebirds, SNI Slide 11 Habitat Diversity Shellfish beds ESA-listed animals Bald Eagle nests Deer Wintering Areas Tidal Waterfowl Shorebirds, SNI Shellfish, Eelgrass Beds Slide 12 Slide 13 Blue Hill-Mt. Desert Frontal Drainages Frenchmans Bay Slide 14 ESA-listed Atlantic Salmon Rivers US Fish & Wildlife Service Atlantic Salmon Commission Shortnosed Sturgeon NOAA Coastal Fisheries Slide 15 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 Slide 16 This Slide Left Blank Intentionally. Slide 17 Maine Watershed Boundary Dataset International Border Harmonization Slide 18 WBD 5 St. John River Sub-basins form the roof of Maine Eastern edge incomplete, doesnt meet standard NHD Incomplete, stops at Canadian border Quebec New Brunswick Slide 19 Similar problem on the Canadian side Slide 20 International Joint CommissionInternational 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)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. Slide 21 Passamaquoddy Bay- Bay of Fundy St. Croix River 01050002 01050001 01050004 Slide 22 The Devils in the details. The Prestile/Meduxnekeag Sub-basin has 2 pourpoints. Two small, previously undefined drainage areas we know drain to the St. John. Slide 23 US:CA = HUC8:CAN4 Slide 24 Slide 25 Slide 26 The St. John Basin will have 15 sub-basins. New polygons will be the templates for completing the NHD/NHN harmonization. Upper St. John will be split into 4 sub-basins along HUC10 boundaries.