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Effects of land cover change on streamflow in the interior Columbia River Basin (USA and Canada). Synopsis: This study analyzed the effects of vegetation change on hydrological fluctuations in the Columbia River basin over the last century using two land cover scenarios. The first scenario was a reconstruction of historical land cover vegetation, c. 1900. The second scenario was more recent land cover as estimated from remote sensing data for 1990. The results show that, hydrologically, the most important vegetation-related change has been a general tendency towards decreased vegetation maturity in the forested areas of the basin. This general trend represents a balance between the effects of logging and fire suppression. In those areas where forest maturity has been reduced as a result of logging, wintertime... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: British Columbia, Idaho, Land use configuration, Montana, Natural cover amount, All tags... Nevada, Oregon, Utah, Washington, Wyoming, evapotranspiration, forest cover, forests, logging, meso-regional, snow processes, stream flow, streamflow, timber harvest, vegetation change, water quantity, Fewer tags An Assessment of Forest Health and Soil Nutrient Status to Determine the Effects of Logging Practices on Water Quality in New York City's West-of-Hudson Watersheds The growth of temperate forests is typically limited by the availability of nitrogen. Elevated concentrations of nitrate in some Catskill Mountain streams, which are tributary to New York City's water-supply reservoirs west of the Hudson River, indicate that the forests of this region are at the early stages of nitrogen saturation. That is, nitrogen is available in excess of the amount utilized by vegetation and soil microorganisms in the forests. Nitrogen saturation is a concern because the mobile nitrate that moves through soil is accompanied by other nutrients such as the base cations calcium and magnesium that are necessary for forest growth but are present in short supply in some Catskill soils. And, nutrient... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Biogeochemical and Hydrologic Assessment, BiogeochemicalandHydrologicAssessment, Catskill Mountains, Completed, Cooperative Water Program, All tags... Ecosystem Health, NY, New York, USGS New York Water Science Center, WSC, Water, Water Quality, Water quality, forest health, logging, soil nutrients, water quality, Fewer tags Fragments are not islands: patch vs landscape perspectives on songbird presence and abundance in a harvested boreal forest. Conclusions: In response to logging, songbirds demonstrated “habitat compensation” by moving into different adjacent habitats across a fragmented landscape. Thresholds/Learnings: Synopsis: This study investigates the degree to which species respond differently to logging across different scales in Alberta’s boreal mixed-wood forests. Researchers tracked changes in the composition and abundance of songbirds at the patch-level and landscape level, finding significant variation between the two spatial scales. The results suggest that predictions of organism response based on the island biogeographic model are limited, and that—while responses varied across species—songbirds demonstrated “habitat compensation” by moving... Categories: Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alberta, Land use configuration, Landscape fragmentation, Natural cover amount, birds, All tags... boreal forest, boreal forest, forest fragmentation, island biogeography, local/site, logging, logging, songbird abundance, spatial scale, timber harvest, Fewer tags