Stream ecosystems show gradual variation of various selection factors, which can result in a zonation of species distributions and gradient evolution of morphological and life-history traits within ...
Glacier retreat poses risks and benefits for species of cultural and economic importance. One example is Pacific salmon (Oncorhynchus spp.), supporting subsistence harvests, and commercial and ...
One of the most important features of a trout stream is the gradient or drop in elevation over a distance. The West Branch of the Ausable has a gradient of 4,000 feet in a little over 40 miles. This ...
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