Oxygen consumption and osmoregulatory capacity in Neomysis integer reduce competition for resources among mysid shrimp in a temperate estuary.
作者： César Vilas , Pilar Drake , Emilio Pascual
DOI: 10.1086/506001
关键词:
摘要: Abstract Results of field surveys and laboratory measurements oxygen consumption body fluid osmolality at different salinities in the mysids Neomysis integer, Mesopodopsis slabberi, Rhopalophthalmus mediterraneus from Guadalquivir estuary (southwest Spain) were used to test hypothesis that osmotic stress (oxygen vs. isosmotic points) was lowest distributions suggest are optimal. The three species showed overlapping spatial within but clear segregation along salinity gradient: N. M. R. displayed maximal densities lower, intermediate, higher salinities, respectively. Adults integer extremely efficient hyperregulators (isosmotic point 30‰) over full range tested (3‰–32‰), their rates independent salinity; adults slabberi strong hyper‐ hyporegulators between 7‰ 29‰ point, 21‰) sho...
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