Sciences marines : recherche et développement

Abstrait

Shrimps have been Recognized to Play Key Function as Pelagic Prey for Deep Sea Fish

Carol Peletier

Understanding the hyperlink between fish and their habitat is imperative for an ecosystem method to fisheries management. However, figuring out such relationship is challenging, in particular for deep-sea species. In this study, we utilized generalized additive fashions (GAMs) to relate presence–absence and relative abundance information of eight economically-important fish species to environmental variables (depth, slope, aspect, substrate type, and backside temperature, salinity and oxygen saturation). We blended thirteen years of capture statistics amassed from systematic long line surveys carried out throughout the region. Overall, presence–absence GAMs carried out higher than abundance fashions and predictions made for the located records efficiently expected the prevalence of the eight deep-sea fish species. Depth used to be the most influential predictor of all fish species incidence and abundance distributions, whereas different elements have been located to be giant for some species however did now not exhibit such a clear influence.