Reproductive plasticity of a Procambarus clarkii population living 10°C below its thermal optimum
نویسندگان
چکیده
منابع مشابه
Spermiogenesis in the Crayfish (procambarus Clarkii)
The sperm of the crayfish, Procambarus clarkii, is relatively simple among decapod sperm and was described in the first paper of this series (28). The present paper details the development of this sperm as followed with the light and electron microscopes. The process is divided into six stages for purposes of description. The main points of interest discussed are the absence of mitochondria or ...
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In this paper we present a discrete dynamical population modeling of invasive species, with reference to the swamp crayfish Procambarus clarkii. Since this species can cause environmental damage of various kinds, it is necessary to evaluate its expected in not yet infested areas. A structured discrete model is built, taking into account all biological information we were able to find, including...
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Key-words: red swamp crayfish, Procambarus clarkii, reproduction, population structure and population dynamics, invasive species Understanding population dynamics and regulation is fundamental for predicting establishment and spread of invasive alien species. In addition, the population biology of invasive alien species offers an opportunity to study basic ecological processes. In this context,...
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.......................................................................................................................................... 3 Acknowledgements ......................................................................................................................... 4
متن کاملOnion powder as feed additive in Procambarus clarkii culture
120 days trial was performed to evaluate the effect of dietary onion powder on the growth performance of red swamp crayfish Procambarus clarkii. Crayfish with initial body weight of 1.37±0.13 g were randomly stocked to experimental tanks. Four different onion powder levels in ratios of 10, 20, 30, and 40 g/kg were added to the formulated experimental basal feed and a control group was fed with ...
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ژورنال
عنوان ژورنال: Aquatic Invasions
سال: 2015
ISSN: 1818-5487
DOI: 10.3391/ai.2015.10.2.08