Sentence examples for effects on streams from inspiring English sources
Although riparian forest buffers are commonly advocated as best management practices, the extent of forest necessary to effectively mitigate upstream agricultural effects on streams remains unresolved.
Comparatively few studies of urbanization effects on streams have focused on drylands, especially steep terrains.
Unlike surrounding land use, our results revealed that regional phytogeography showed only marginal significant effects on streams.
Fires also can have substantial effects on streams and riparian systems and may threaten the persistence of some populations of fish, particularly those that are small and isolated.
Mediterranean countries such as Portugal, where more than 25% of the land area has burned since 1990, are ideal areas to study impacts of wildfire effects on streams.
We report on an approach to the characterization of urbanization effects on streams that used principal components analysis and multiple regression to explore the combined, interactive effects of land use/land cover, human population demography, and stream habitat quality on an index of biological integrity (IBI) of fish communities.
Oregon is one state that is examining the science of water temperature effects on stream life.
Finally, labor-intensive variables (e.g., nutrients and fines in sediments) could be added to meet complex management goals such as restoration of impaired streams or mechanistic studies of land use effects on stream ecosystems.
This study also demonstrates the current lack of process knowledge regarding in-stream ice cover and snowmelt effects on stream temperature, both of which can contribute substantially to stream thermal regimes.
Stream temperature has direct and indirect effects on stream ecology and is critical in determining both abiotic and biotic system responses across a hierarchy of spatial and temporal scales.
Our results suggest that the widespread conversion of forest to urban land in small catchments has likely resulted in a substantial decline of populations of stream salamanders and could have serious effects on stream ecosystems.
