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Effects of acid-base chemistry on biology of lakes and streams in the Adirondack Mountains BACKGROUND Watersheds of the Adirondack Mountains receive high levels of acid deposition resulting from atmospheric emissions of nitrogen and sulfur oxides. Acidic deposition has been shown to reduce acid neutralizing capacity (ANC) and calcium (Ca) concentrations, and increase acidity and aluminum (Al) concentrations in soils and surface waters, and affect forest health as well as fish and macroinvertebrate assemblages across the region. The U.S. Environmental Protection Agency (EPA) is currently developing secondary standards for nitrogen and sulfur emissions that will indirectly protect terrestrial and aquatic species and their communities from further adverse impacts and promote recovery of acidified ecosystems... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Adirondack Mountains, Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Climate Research and Development, All tags... Cooperative Water Program, Ecosystem Health, Ecosystem Health, Environments, Focused Assessments, Focused Assessments, Focused Assessments, Mineral Resources, New York, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water quality, Fewer tags An Integrated Assessment of the Recovery of Surface Waters from Reduced Levels of Acid Precipitation in the Catskill and Adirondack Regions, New York Problem - Acidic precipitation has affected forested and aquatic ecosystems in New York, particularly in the Adirondack and Catskill regions. Acidification of surface waters and deleterious effects on fish and other biota have been well documented in both these regions. Despite reduced levels of acidity in atmospheric deposition over the past 20 years across New York and the northeastern United States, the most acid-sensitive streams and lakes have not yet begun to recover, and many show continued declines in acid-neutralizing capacity, an indicator acid-base status. Many studies have documented the effects of acid precipitation in New York, but thus far, there has been no comprehensive effort to synthesize and... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Adirondack Mountains, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Catskill Mountains, Completed, All tags... Cooperative Water Program, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecosystem Health, New York, USGS New York Water Science Center, WSC, Water Quality, Water quality, acid rain, biota, fish, forest health, surface water, Fewer tags Assessing Spatiotemporal Patterns in Fish Assemblages from Acid-Sensitive Streams in the Adirondack and Catskill Mountains Background With few exceptions, the contemporary and past effects of acidification on fish populations and communities in streams across acid-sensitive regions of NY have not been documented. The pervasive lack of information only permits anecdotal insight into the spatial effects of acidification on stream-fish assemblages and essentially precludes any broad effort to quantify temporal trends and potential recovery of fish assemblages in less acidic or less toxic streams. Though the effects of acidification on fish assemblages have been qualified in several streams of the eastern Adirondacks during 1979, the 1980s, and early 2000s, (Schofield and Driscoll 1987; Simonin et al. 2005) quantitative impacts were... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Adirondack Mountains, Aquatic Community Health, Aquatic Community Health, Aquatic Community Health, Catskill Mountains, All tags... Cooperative Water Program, Ecosystem Health, Ecosystem Health, NY, New York, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water quality, acid rain, fish, streams, Fewer tags Assessment of Acidic Deposition Effects on the Chemistry and Benthos of Streams of the East-Central Adirondack Region Project Summary. The Western Adirondack Stream Survey (WASS), conducted in 2003-2005, showed that acidic deposition was causing toxic forms of Al to move from soils to streams in 66% of the 565 watersheds assessed in the study region. The WASS encompassed only 20% of the Adirondack region, and for the remaining 80% (referred to hereafter as the East-Central Adirondack region), there is little information on the extent of soil and stream acidification. Based on lake-chemistry data, acidification in the East-Central Adirondack region has been considered minimal relative to the Western Adirondack region. However, some lake acidification has been identified, and WASS results showed that lake acidification under... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Acid Precipitation, Adirondack Mountains, Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, All tags... Cooperative Water Program, Ecosystem Health, Ecosystem Health, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water quality, Fewer tags Assessment of sugar maple health and associated soil conditions in the Adirondack Region of New York This project provides a regional assessment of sugar maple health and associated soil conditions in the Adirondack Region of New York, where sugar maple are a major component of the forest. The focus of the study is to develop an improved understanding of relationships among watershed characteristics, soil chemistry, and acidic deposition effects on sugar maple trees and other tree species that grow in association with sugar maple, which are one of the most highly valued tree species in the northeast. Project results are therefore important for the management of sugar maple in the Adirondack region where acidic deposition has lowered the nutritional status of soils by depleting calcium, a key nutrient for trees.Purpose... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Adirondack Mountains, Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, All tags... Black River, Cooperative Water Program, Ecosystem Health, Ecosystem Health, Ecosystem Health, NY, New York, Oswegatchie River, Soils, Soils, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Quality, Water quality, acid rain, acid rain, acid rain, soils, sugar maple, watershed, Fewer tags Whole Ecosystem Restoration Through Liming of Honnedaga Lake Tributary Watersheds Summary Acid rain levels in the Adirondack region have substantially declined and recovery from acid rain is underway. Recovery is being limited by the depletion of soil calcium that occurred over past decades. Not only is calcium needed for neutralizing acidity, it is an essential nutrient for terrestrial and aquatic ecosystems. However, recovery of soil calcium has not yet been observed. Whole-ecosystem restoration through watershed liming, possibly combined with in-stream liming, may provide a practical option for stimulating recovery of certain acid-sensitive, high-value natural resources. Information from past liming efforts, however, is insufficient for determining the degree of success that could be achieved... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Adirondack Mountains, Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Cooperative Water Program, All tags... Ecosystem Health, Ecosystem Health, USGS New York Water Science Center, WSC, Fewer tags