La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Separate and Combined Effects of Estuarine Stress Gradients and Disturbance on Oyster Population Development on Restored Reefs
Auteurs :	Elizabeth A. Salewski, Auteur ; C. Edward Proffitt, Auteur
Type de document :	Article
Dans :	Estuaries and Coasts (39(2) MAR 2016)
Article en page(s) :	510-528
Résumé :	Disturbance combined with the effects of multiple stress gradients can produce biotic outcomes that are complex and perhaps not predictable based on knowledge of the individual stress variables. We analyzed oyster (Crassostrea virginica) colonization of novel substrate via structural equation modeling (SEM) to test cause-and-effect multivariate models posed a priori as hypotheses. We separately analyzed long-term data on water quality (WQ), canal flow, and rainfall to determine drivers of chlorophyll a for use in the oyster SEM. The best oyster SEM for adult (R (2) = 0.74) and small

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