Hot spots in a cold river synchronize temporarily separated salmon runs in their offspring’s development
JN Negishi,
N Morisaki,
YY Song
et al.
Abstract:The identification of thermal heterogeneity in the environment and its inclusion in adaptive strategies are key to habitat management of cold-water fish, including salmonid species. This study tested the hypothesis that upwelling of groundwater (GW) from a tributary catchment through a relatively deep aquifer (tributary GW) affects salmon redds selection in an urbanized gravel-bed river, and that the spawning preference of such areas depends on the seasonal context. The field study was conducted between 2001 a… Show more
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