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Pascal Irz / Thibault Vigneron / Nicolas Poulet / Eddy Cosson / Thierry Point / Erick Baglinière / Jean-Pierre Porcher - 2022The data presented here cover ∼4 decades of electrofishing surveys in mainland France rivers. Despite some changes in field protocols and sampling site locations over time, the ASPE database offers a unique set of 47,869 georeferenced and standardised sampling surveys. Fish individuals are...Contributeur (s):
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Thierry Oberdorff / Jean-Pierre Porcher - 1992Fish assemblage structure of 29 Brittany streams is examined. Catchment area, stream gradient, and distance from sources are significantly correlated with species richness. Addition of species with increasing stream size occurs for all streams with no evident longitudinal replacement,...Contributeur (s):