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Although there are considerable site-based data for individual or groups of ecosystems, these datasets are widely scattered, have different data formats and conventions, and often have limited accessibility. At the broader scale, national datasets exist for a large number of geospatial features of land, water, and air that are needed to fully understand(More)
You are not always what we think you eat: selective assimilation across multiple whole-stream isotopic tracer studies" (2014). You are not always what we think you eat: selective assimilation across multiple whole-stream isotopic tracer studies Abstract. Analyses of 21 15 N stable isotope tracer experiments, designed to examine food web dynamics in streams(More)
Many ecosystems rely on subsidies of carbon and nutrients from surrounding environments. In headwater streams that are heavily shaded by riparian forests, allochthonous inputs from terrestrial systems often comprise a major part of the organic matter budget. Bacteria play a key role in organic matter cycling in streams, but there is limited evidence about(More)
Colimitation of primary production is increasingly recognized as a dominant process across aquatic and terrestrial ecosystems. In streams, both nutrient availability and light availability have been shown to independently limit primary production, but colimitation by both light and nutrients is rarely considered. We used a series of nutrient-diffusing(More)
—A regionalization system delineates the geographical landscape into spatially contiguous, homogeneous units for landscape ecology research and applications. In this study, we investigated a quantitative approach for developing a regional-ization system using constrained clustering algorithms. Unlike conventional clustering, constrained clustering uses(More)
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