Survey of Freshwater Aquatic Vegetation of Acadia National Park
Greene CW, Hellquist CB, Gregory L, College of the Atlantic. 1999. Survey of Freshwater Aquatic Vegetation of Acadia National Park. Technical Report NPS/BSO-RNR/NRTR/00-3. National Park Service, Acadia National Park. Boston, Massachusetts
FIELD WORK: 28 July to 21 August 1995 and 22 July to 9 September 1996. 'In this two-year project we surveyed 39 ponds, lakes, and streams of Acadia National Park (ACAD) and Mount Desert Island (MDI), Hancock and Knox Counties, Maine. The vascular flora of ACAD freshwaters includes approximately 80 aquatic species, many of which are typical of moderately acidic softwaters of northeastern United States and adjacent Canada. An additional dozen semi-aquatic shoreline species were also included in the survey. Seven aquatic and semi-aquatic species of historic occurrence in ACAD are currently listed or proposed for listing on Maine's Official List of Endangered and Threatened Plants. About thirty additional species, while not state-listed, seem to be locally rare in ACAD, and twenty-one of them have a single station of occurrence in ACAD. Eight aquatic or semi-aquatic plant species of historic occurrence in ACAD and MDI have not been relocated in the past twenty years, and eleven taxa are reported for ACAD for the first time.' 'The relatively homogeneous chemical profile of the ponds in ACAD occupy a narrow fraction of that seen across New England. Many aquatic macrophytes in ACAD are known to tolerate a much broader range of pH and alkalinity than exists on MDI. Species richness among ponds in ACAD show moderate correlation with surface area and somewhat weaker correlation with pH, total nitrogen, and total phosphorus, but almost no correlation with alkalinity or elevation. It may be that habitat diversity and expanse of shallow water habitats, not surface area or pH, contributes most to species richness in each water body. Tables and graphs summarize water quality of water bodies studied and the distribution of aquatic vascular plants among them. Appendices include an annotated catalog of plants surveyed and distribution maps of species occurrence on Mt. Desert Island.' /STUDY LOCATIONS:/ /MOUNT DESERT ISLAND/Aunt Betty Pond/Bear Brook Pond/Beaver Dam Pond/Bubble Pond/Duck Brook/Duck Pond/Eagle Lake/Echo Lake/Fawn Pond/Great Meadow/Halfmoon Pond/Hamilton Pond/Hodgdon Pond/Jordan Pond/Lake Wood/Little Long Pond/Long Pond/Lower Breakneck Pond/Lower Hadlock Pond/Lurvey Brook/Marshall Brook/Northeast Creek/Paradise Pond/Breakneck Stream/Pond NE of Eagle Lake/Ripples Pond/Round Pond/Sand Beach Marsh/Sand Beach Brook/Sargent Pond/Schooner Head Ponds/Seal Cove Pond/Seawall Pond/Somes Pond/The Tarn/The Bowl/Upper Breakneck Pond/Upper Hadlock Pond/Witch Hole Pond/ /ISLE AU HAUT/Long Pond/ /SCHOODIC PENINSULA/Schoodic Peninsula Pond/ GIS-CATEGORY 2A ; Flora-Vascular: Contains collection localities
- Type
- Published Report
- Authors
- Greene, Craig; Hellquist, C.; Gregory, Linda; College of the Atlantic
- Date of Issue
- 1999-10
- Publisher
- National Park Service, Acadia National Park
- Units
- ACAD
- Keywords
- Aquatic, Aunt Betty Pond, Bear Brook Pond, Beaver Dam Pond, Breakneck Stream, Bubble Pond, Candidate Species, Checklist, Distribution, Duck Brook, Duck Pond, Eagle Lake, Echo Lake, Fawn Pond, Great Meadow, Halfmoon Pond, Hamilton Pond, Hodgdon Pond, Inventory (Baseline), Jordan Pond, Lake Wood, Little Long Pond, Long Pond, Long Pond (Isle au Haut), Lower Breakneck Pond, Lower Hadlock Pond, Lurvey Brook, Marshall Brook, Mount Desert Island, Northeast Creek, Paradise Pond, Plants, Plants, Pond NE of Eagle Lake, Rare Species, Ripples Pond, Round Pond, Sand Beach Brook, Sand Beach Marsh, Sargent Pond, Schoodic Peninsula Pond, Schooner Head Ponds, Seal Cove Pond, Seawall Pond, Somes Pond, The Bowl, The Tarn, Threatened & Endangered Species, Upper Breakneck Pond, Upper Hadlock Pond, Water Quality, Witch Hole Pond