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Benthos & Plankton in Wisconsin's Lake Michigan AOCs Description of Work Benthos (benthic invertebrate) and plankton (phytoplankton/zooplankton) communities in Wisconsin's four Lake Michigan Areas of Concern (AOCs; Menominee River, Lower Green Bay and Fox River, Sheboygan River, and Milwaukee Estuary) and six non-AOCs will be quantified. The inclusion of non-AOC sites will allow comparison of AOC sites to relatively-unimpacted or less-impacted control sites with natural physical and chemical characteristics that are as close as possible to that of the AOCs. The community data within and between the AOCs and non-AOCs will be analyzed. This project is a cooperative agreement between the Wisconsin Department of Natural Resources (WDNR) and the US Geological Survey (USGS).... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: AOC, Areas of concern, Beneficial use impairment, Ecosystem health, Fox River, All tags... GLRI, Great Lakes Restoration Initiative, Great Lakes Restoration Initiative, Green Bay, Lake, Lake:Lake Michigan, Menominee River, Milwaukee Estuary, Sheboygan River, Toxic Substances, Watershed, Watershed:Lake Michigan Basin, benthos, invertebrates, phytoplankton, plankton, Fewer tags Cooperative Science and Monitoring Initiative (CSMI) - LAKE HURON Description of Work USGS will conduct seasonal sampling of benthic invertebrates, zooplankton, prey fish, and their diets to complement the seasonal lower trophic level sampling by EPA. A point of emphasis is describing the vertical distribution of planktivores and their zooplankton prey, to fill a knowledge gap on these predator/prey interactions. These data will provide a more holistic understanding of how invasive-driven, food-web changes could be altering energy available to sport fishes in the Great Lakes and used to build bioenergetics models that can evaluate whether zooplankton dynamics are being driven by limited resources or excessive predation. Understanding the key drivers of zooplankton will provide... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Accountability, CSMI, Ecosystem health, Energy transfer, Fish production, All tags... GLRI, Great Lakes Restoration Initiative, Great Lakes Restoration Initiative, Invasive Species, Invasive species, Lake, Lake:Lake Huron, Predator/prey balance, Template 183, Trend analysis, Uploaded in Batch, Watershed, Watershed:Lake Huron Basin, Fewer tags Development of a Graphical User Interface (GUI) to Predict Streamflow Statistics using USGS Streamstats and Precipitation from Downscaled Global Climate Change Models Background Climate change during the past century has resulted in changes to precipitation amounts, form (rain vs. snow), as well as frequency and intensity in the northeastern US (Huntington et al., 2009). Additional changes in precipitation are forecast for the 21st Century as the global and regional climate is expected to warm substantially (Hayhoe et al., 2007). These ongoing and projected future changes in precipitation along with other related changes to evapotranspiration rates and land use patterns will result in changes in streamflow patterns as well (Hayhoe et al., 2007). Although precipitation amounts have generally increased in the Northeast during the past 20-30 years (Huntington et al., 2009),... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Climate Change, Climate Change, ClimateChange, Cooperative Water Program, Ecosystem Health, All tags... Ecosystem Health, NY Statewide, New York, StreamStats, StreamStats, StreamStats, USGS New York Water Science Center, WSC, Fewer tags Hydrologic Climate Change Indicators Background Streams and rivers are an important environmental resource and provide water for many human needs. Streamflow is a measure of the volume of water carried by rivers and streams. Changes in streamflow can directly influence the supply of water available for human consumption, irrigation, generating electricity, and other needs. In addition, many plants and animals depend on streamflow for habitat and survival. Streamflow naturally varies over the course of a year. For example, rivers and streams in many parts of the country have their highest (peak) flow when snow melts in the spring. The amount of streamflow is important because high flows can cause erosion and damaging floods, while very low flows... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Climate Change, Climate Change, Climate Impacts, Climate Impacts, Climate impacts, All tags... ClimateChange, Completed, Cooperative Water Program, Ecosystem Health, Ecosystem Health, GW or SW, GW or SW, GW or SW, USGS New York Water Science Center, WSC, all U.S. states, Fewer tags Lakewide Management Plan Capacity Support by U.S. Geological Survey - LAKE ERIE Description of Work Participation on the Lake Erie Lakewide Management Plan Workgroup and related subcommittees such as toxics, sources and loads, nutrients, and biodiversity. Attend meetings and conferences associated with LE LAMP activities. This includes The Lake Erie Millennium Network, CSMI, Ohio Phosphorus Task Force, and other meetings or workshops addressing nutrient and toxicity issues in Lake Erie. Communicate USGS activities in the Lake Erie Basin that can influence understanding or impact decision making. Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Accountability, Areas of concern, Assessment, Beneficial use impairment, Binational, All tags... Coordination, Ecosystem health, GLRI, Governmental, Great Lakes Restoration Initiative, Great Lakes Restoration Initiative, Harmful Algal Blooms, Lake, Lake:Lake Erie, Nutrients, Phosphorus, Template 330, Toxics, Trend analysis, Uploaded in Batch, Whole-lake, Fewer tags Sediment Toxicity and Condition of Benthic Invertebrate Communities in the Rochester Embayment Area-of-Concern Background Heavy metals, phosphorus, and organic contaminants in water and sediments of the lower Genesee River, resulted in the designation of fourteen beneficial uses as impaired in the Rochester Embayment Area of Concern (AOC). The benthic macroinvertebrate community or “benthos” Beneficial Use Impairment (BUI) was designated as degraded in the Genesee River because the New York State Department of Environmental Conservation (NYSDEC) impairment metrics generally identified slight to moderate impacts through the 1990s and 2000s. Accumulation of “sediments on more suitable substrates” and “contaminants in sediment of the Genesee River related to past municipal and industrial waste-water treatment plant discharges... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquatic Community Health, Aquatic Community Health, Aquatic Community Health, Cooperative Water Program, Ecological Assessment of Human and Natural Impacts, All tags... Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecosystem Health, Ecosystem Health, Ecosystem Health, Ecosystem Health, Ecosystem Health, Focused Assessments, Focused Assessments, Focused Assessments, GW or SW, GW or SW, GW or SW, Lake Ontario, Microbiology, New York, Sediment, Sediment, Sediment, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Fewer tags Didymosphenia geminata in the Upper Esopus Creek: Seasonal changes in density and distribution, controlling environmental factors, and potential ecosystem impacts Background The invasive diatom Didymosphenia geminata (didymo) has historically been a wide-spread, but rare, micro algae found in moderately flowing cold-water streams of North America, Europe, Asia, and (more recently) New Zealand. Demographic patterns of didymo have recently changed resulting in greater spatial coverage and temporal persistence (e.g. blooms) in streams worldwide. Didymo blooms can form dense “woven fabric” aggregate up to 20 cm think, that trap algae, macroinvertebrates, detritus and other debris. The recent discovery of didymo in parts of New York State, including the Upper Esopus Creek in 2009, is concerning because blooms can affect benthic habitat, river hydraulics, the structure and function... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Completed, Contaminants, HABS, Contaminants, HABS, Cooperative Water Program, Ecological Assessment of Human Impacts, All tags... Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecosystem Health, Ecosystem Health, Esopus Creek, Esopus Creek, New York, New York, USGS New York Water Science Center, WSC, didymo,ecosystems, Fewer tags Water Quality of the Upper Delaware Scenic and Recreational River and Tributary Streams, New York and Pennsylvania Water-quality samples were collected from the Upper Delaware Scenic and Recreational River (UPDE) and its tributaries during the period October 1, 2005, to September 30, 2007, to document existing water quality, determine relations between land use and water quality, and identify areas of water-quality concern. A tiered water-quality monitoring framework was used, with the tiers consisting of intensively sampled sites, gradient sites representing the range of land uses present in the basin, and regional stream-survey sites. Median nitrate and total phosphorous concentrations were 1.15 and 0.01 milligrams per liter (mg/L) for three sites on the mainstem Delaware River, 1.27 and 0.009 mg/L for the East Branch Delaware... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Completed, Cooperative Water Program, All tags... Delaware River Basin, Delaware River Basin, Ecosystem Health, Ecosystem Health, Ecosystem Health, Ecosystem Health, Focused Assessments, Focused Assessments, Focused Assessments, New York, Pennsylvania, USGS New York Water Science Center, Upper Delaware Scenic and Recreational River, WSC, Water Quality, Water Quality, Fewer tags Human- and Ecological-Health Concerns Related to Transport and Persistence of Contaminants on Shinnecock Nation Tribal Lands Problem Tribal Lands of the Shinnecock Nation Tribal community were inundated during Hurricane Sandy’s storm tide, resulting in detrimental effects on the Tribal Land’s natural resources. The existing science being used to inform decisions on remediation is biased toward activities are necessarily focused on the immediate aftermath of storms An assessment of the sources of contaminants that may have been introduced from inundation is needed to provide a context with which the Tribal community can better understand how to prioritize and manage the sources and minimize risk. Objectives This project will evaluate key human- and ecological-health concerns related to transport and persistence of... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Climate Impacts, Climate Impacts, Climate impacts, Contaminants, Emerging, Contaminants, Emerging, All tags... Contaminants, Natural, Contaminants, Natural, Contaminants, emerging, Contaminants, natural, Cooperative Water Program, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecosystem Health, Ecosystem Health, Flood Inundation, Flood Inundation, Flood Inundation, GW or SW, GW or SW, GW or SW, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, New York, Sediment, Sediment, Sediment, Shinnecock Nation Tribal Lands, Long Island, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Fewer tags Estimating Loading Above and Below Agricultural Best Management Practices (BMPs) and Combined Animal Feeding Operations (CAFOs) in the Genesee River Watershed The current information available for the Genesee River and watershed is insufficient to assess if the Beneficial Use Impairment (BUI) delisting criteria for the Rochester Embayment Area of Concern (AOC) can or have been met. With on-going and future projects that are implementing best practices to control soil erosion and the reduction of nutrients that reach the Rochester Embayment, the river and the watershed, it becomes a necessity to: 1.) collect more frequent Total Suspended Sediment (TSS) data for the Genesee River both within and outside of the AOC; and 2.) to have a study design capable of evaluating the impact/success of the current and proposed GLRI projects in the watershed. This project is envisioned... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: BMP, Best-Management Practices, Best-Management Practices, Best-Management Practices, CAFO, All tags... Climate Change, Climate Change, Climate Impacts, Climate Impacts, Climate impacts, ClimateChange, Contaminants, Organic, Contaminants, Organic, Contaminants, organic, Cooperative Water Program, Ecosystem Health, Ecosystem Health, Genesee River Watershed, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Land Use Effects, Land Use Effects, Land use effects, New York, Rochester AOC, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Monitoring, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water quality, Fewer tags Changes in Soil and Stream Water Chemistry in Response to Reduction in Acid Deposition in the Catskills Summary The Environmental Protection Agency’s (EPA) Long Term Monitoring (LTM) network has supported the collection of stream chemistry data in the Catskills since the 1990s. Trends in stream chemistry have periodically been evaluated in these streams but the most recent assessments only extend through the early 2000s. An updated assessment of stream chemistry trends will help evaluate the effects of recent substantial declines in acid deposition during the last decade. This study will evaluate changes in surface water chemistry from 1991 through 2013 at 5 stations in the Neversink and Rondout watersheds in the Catskill Mountains of New York. The results will be compared to changes in atmospheric deposition... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Catskill Mountains, Completed, All tags... Cooperative Water Program, Ecosystem Health, Ecosystem Health, New York, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water quality, acid rain, soil chemistry, surface water, Fewer tags Sediment toxicity and status of benthic invertebrate communities in the St. Lawrence River and its tributaries within the Massena Area-of-Concern Background Past water-quality issues in the St. Lawrence River at Massena, NY resulted in a determination that selected beneficial uses were impaired in a surrounding Area of Concern (AOC) and on the Canadian side of the international boundary (Cornwall, Ontario). The benthic macroinvertebrate community or “benthos” Beneficial Use Impairment (BUI) was designated degraded because impairment metrics were unavailable or inconclusive. Recent sampling efforts by New York State Department of Environmental Conservation (NYSDEC) as part of their Rotating Integrated Basin Studies (RIBS) program indicate that macroinvertebrate communities in some sections of the St. Lawrence River and its tributaries in the Massena AOC are... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquatic Community Health, Aquatic Community Health, Aquatic Community Health, Canada, Cooperative Water Program, All tags... Ecosystem Health, Ecosystem Health, Ecosystem Health, Ecosystem Health, Ecosystem Health, Focused Assessments, Focused Assessments, Focused Assessments, Microbiology, New York, Sediment, Sediment, Sediment, St. Lawrence River, St. Regis Mohawk Tribe, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Quality, Water Quality, Water quality, Fewer tags Sediment toxicity and status of benthic macroinvertebrate communities in the remediated Buffalo River Area-of-Concern Background : Contaminated bed sediments in much of the Buffalo River AOC (Figure 1A, 1B) were removed (dredged) between 2011 and 2015. Plans to monitor and assess the effectiveness of this management action on 8 of 9 beneficial-use-impairments (BUI), included the benthic macroinvertebrate (benthos) BUI, were revised by the Buffalo Niagara Riverkeeper (Riverkeeper, 2014). Funds needed to implement various monitoring efforts proposed in this plan, however, were not available at that time. The USGS-New York Water Science Center (NYWSC) and the NYSDEC propose a collaborative study to evaluate multiple lines of evidence (toxicity of sediments and the condition of benthic macroinvertebrate communities) to determine... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Buffalo River, Cooperative Water Program, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, All tags... Ecosystem Health, Ecosystem Health, Great Lakes Restoration Initiative (GLRI), benthic macroinvertebrate,, New York, Sediment, Sediment, Sediment, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water quality, Fewer tags Quantitative Assessment of Water Quality in Upper Esopus Creek: Fish, Macroinvertebrates, Periphyton, Turbidity, and Nutrients Background The Esopus Creek is located in the Catskill Mountains of New York State and is part of the New York City (NYC) drinking water supply system. The basin was dammed in 1915 to form the Ashokan Reservoir splitting the creek into Upper (upstream of the reservoir) and Lower segments. The drainage area of Upper Esopus Creek, between the source (Winisook Lake) and the Ashokan Reservoir is approximately 192 mi2. The Schoharie Reservoir, located 27 miles north of the Ashokan Reservoir, also supplies water to Upper Esopus Creek (and to the Ashokan Reservoir) via the Shandaken tunnel. Waters from the Schoharie watershed enter Upper Esopus Creek at the Shandaken portal and travel 18 km before entering the Ashokan... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquatic Community Health, Aquatic Community Health, Aquatic Community Health, Contaminants, Natural, Contaminants, Natural, All tags... Contaminants, natural, Cooperative Water Program, Ecosystem Health, Ecosystem Health, New York, USGS New York Water Science Center, Upper Esopus Creek, WSC, Water Quality, Water Quality, Water quality, didymo,turbidity,ecosystem, Fewer tags Estimating chronic toxicity of waters from the St. Lawrence River at Massena Area-of-Concern using two plankton species Background Past water-quality issues in the St. Lawrence River at Massena, NY resulted in a determination that selected beneficial uses may be impaired in a surrounding Area of Concern (AOC) and on the Canadian side of the international boundary (Cornwall, Ontario). The plankton (phytoplankton zooplankton) Beneficial Use Impairment (BUI) was so designated because impairment metrics were unavailable or inconclusive. Recent investigations, however, suggest that plankton communities are relatively healthy and no longer threaten the local ecosystem. Thus, the BUI for plankton may now be outdated in all, or parts of, the St. Lawrence River in the Massena AOC. The primary goal for the Massena (and Cornwall) Remedial Action... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquatic Community Health, Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Canada, All tags... Completed, Cooperative Water Program, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecosystem Health, Ecosystem Health, Microbiology, New York, St. Lawrence River, St. Regis Mohawk Tribe, USGS New York Water Science Center, WSC, Fewer tags New Strategies for Restoring Coastal Wetland Function, Maumee River Area of Concern Description of Work U.S. Geological Survey (USGS) scientists are focusing on restoring natural water flow and ecological processes between coastal wetlands in the Ottawa National Wildlife Refuge (Ohio) and adjacent to Lake Erie to improve fish and wildlife habitat. This pilot project will develop approaches that will restore coastal wetland function and increase ecosystem resilience to be used as a model throughout the Great Lakes basin. USGS will focus on restoring natural hydrologic processes in diked coastal wetlands adjacent to Great Lakes waters to improve wetland functions like phosphorus retention and restoration of habitats for fish and wildlife. Sustainable approaches are being developed in the Maumee River... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Areas of concern, Beneficial use impairment, Climate change, Coastal Ecology, Coastal Wetlands, All tags... Ecosystem health, GLRI, Governmental, Great Lakes Restoration Initiative, Great Lakes Restoration Initiative, Habitat & Wildlife, Hydrologic Recconection, Impaired waters/TMDLs, Lake, Lake:Lake Erie, Non-regulatory, Priority watersheds, Project specific, Regional, Research, Template 71, Trend analysis, Uploaded in Batch, Wetland Resoration, Fewer tags AOC Decision Support Description of Work USGS scientists will develop support to State partners for the removal of Beneficial Use Impairments (BUIs) such as fish consumption advisories, fish tumor presence, Eutrophication and unwanted algae, drinking water problems, beach health, and concentrations of PCBs in lake trout and walleyes. Areas of Concern (AOC) principles and guidelines were developed as an initial reference point from which appropriate restoration criteria could be developed. Stage 2 Remedial Action Plans (RAPs) were developed for each of these AOCs to address impairments to any one of 14 beneficial uses associated with these areas. Specific remediation actions are completed in order to restore the beneficial use. When... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Areas of concern, Beneficial use impairment, Ecosystem health, GLRI, Great Lakes Restoration Initiative, All tags... Great Lakes Restoration Initiative, Human health, Lake, Lake:Lake Erie, Lake:Lake Huron, Lake:Lake Michigan, Lake:Lake Ontario, Lake:Lake St. Clair, Lake:Lake Superior, Mercury, Pollution event, Storm event, Template 384, Toxic Substances, Uploaded in Batch, Wastewater contamination, optical properties of water, waterborne pathogens, Fewer tags Exploring changes in nutrient transfer within Great Lakes food webs: implications for fish production in Lake Michigan in support of CSMI 2010 Description of Work USGS will conduct seasonal sampling of benthic invertebrates, zooplankton, prey fish, sport fish, and their diets to complement the seasonal lower trophic level sampling by EPA. This data will provide a more holistic understanding of how invasive-driven, food-web changes could be altering energy available to sport fishes in the Great Lakes and used to build a decision support tool that can explore how different scenarios (dreissenid control, nutrient reductions, changes in fish stocking) influence the biomass of economically important fisheries. Categories: Project; Tags: Accountability, CSMI, Ecosystem health, Ecosystem health, Energy Transfer, All tags... Fish production, GLRI, Great Lakes Restoration Initiative, Great Lakes Restoration Initiative, Habitat & Wildlife, Invasive species, Lake, Lake:Lake Michigan, Template 74, Trend analysis, Trend analysis, Watershed, Watershed:Lake Michigan Basin, Fewer tags Development of a Coordinated Water Resources Monitoring Strategy for the South Shore Estuary Reserve, Long Island NY The U.S. Geological Survey (USGS) is collaborating with the New York Department of State (NYDOS) Office of Planning and Development to prepare a new Long Island South Shore Estuary Reserve (SSER) Coordinated Water Resources Monitoring Strategy (CWRMS). Since 2000, when the last CWRMS was published, numerous research projects and studies are demonstrating several new threats to the ecologic health and resilience of the SSER. Contemporary threats include: Eutrophic conditions brought on by high levels of nutrients from sewage treatment plant discharges, stormwater runoff, groundwater seepage, and atmospheric contributions; Increased occurrences of harmful algal blooms in the past 15 years; and, Growing concern... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Biogeochemical and Hydrologic Assessment, Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Climate and Land-Use Change, Climate and Land-Use Change, All tags... Climate and Land-Use Change, Coastal Science, Coastal Science, Contaminants, HABS, Contaminants, HABS, Contaminants, HABs, Cooperative Water Program, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, Ecosystem Health, Ecosystem Health, Flood Hazards, Flood Hazards, Flood Hazards, Groundwater and Streamflow Information, Groundwater and Streamflow Information, Nearshore Environmental Health, Nearshore Environmental Health, Nearshore Environmental Health, New York, South Shore Estuary Reserve, Long Island, Surface-Water Monitoring, Surface-Water Monitoring, Surface-Water Monitoring, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water quality, Fewer tags Effects of Watershed and In-stream Liming on Accelerated Recovery of Macroinvertebrate Assemblages in Tributaries to Honnedaga Lake Background Acidification of lotic and lentic environments has been found to adversely affect the integrity of resident biological assemblages. These effects have been particularly severe in poorly buffered regions like the Western Adirondacks. Although the Clean Air Act and its amendments have greatly reduced levels of atmospheric deposition, many streams in this region are still chronically or episodically acidified. In-stream and watershed-wide liming are two directed-mitigation techniques which could be used to accelerate ecosystem recovery and help restore the condition of biological assemblages. The costs and abilities (as well as effective duration) of these techniques to improve water and soil chemistry,... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aquatic Community Health, Aquatic Community Health, Aquatic Community Health, Completed, Cooperative Water Program, All tags... Ecosystem Health, Ecosystem Health, USGS New York Water Science Center, WSC, Fewer tags 1 2 3 4 »