Forest vegetation monitoring and foliar chemistry of red spruce and red maple at Acadia National Park in Maine
Wiersma GB, Elvir JA, Eckhoff JD. 2007. Forest vegetation monitoring and foliar chemistry of red spruce and red maple at Acadia National Park in Maine. Environmental Monitoring and Assessment. 126(1-3):27-37
Throughfall and bulk precipitation samples were collected for two watersheds at Acadia National Park, Maine, from May to November 2000, to determine which landscape factors affected mercury (Hg) deposition. Sites that face southwest received the highest Hg deposition, which may be due to the interception of cross-continental movement of contaminated air masses. Sites covered with softwood vegetation also received higher Hg deposition than other vegetation types because of the higher scavenging efficiency of the canopy structure. Hg deposition, as bulk precipitation and throughfall was lower in Cadillac Brook watershed (burned) than in Hadlock Brook watershed (unburned) because of vegetation type and watershed aspect. The total Hg deposition via throughfall and bulk precipitation was 9.4 mu g/m(2)/year in Cadillac Brook watershed and 10.2 mu g/m(2)/year in Hadlock Brook watershed. The total MeHg deposition via throughfall and bulk precipitation was 0.05 mu g/m(2)/year in Cadillac Brook watershed and 0.10 mu g/m(2)/year in Hadlock Brook watershed.
- Type
- Journal Article
- Authors
- Wiersma, G; Elvir, J; Eckhoff, J
- Units
- ACAD , ARD
- Keywords
- Acadia National Park, AIRBIB, Aluminum (Al), ARD_Park-Air-Info_Collection, Assessment, Atmospheric Deposition, Boron (B), Cadillac Brook, Calcium, Calcium (Ca), Climate, Community Structure, Copper (Cu), Deposition, Evaluation, FIRE, foliar nitrogen, Forest, Forest Communities, Forests, Hadlock Brook, Health, Inventory, Lead (Pb), magnesium, Magnesium (Mg), Manganese (Mn), Mercury, Mercury (Hg), Monitoring, Monitoring, Mount Desert Island, N saturation, Nitrogen, Nitrogen (N), P rubens, Phosphorus (P), Plants (Plantae), Potassium (K), Terrestrial, Terrestrial: forested, Vascular Plants