Effects of the invasive crayfish Procambarus clarkii on growth and development of Pelophylax perezi tadpoles in field conditions
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منابع مشابه
the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
Crayfish (Procambarus clarkii) Effects on Lentic Lake Water Quality
.......................................................................................................................................... 3 Acknowledgements ......................................................................................................................... 4
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15 صفحه اولSpermiogenesis 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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ژورنال
عنوان ژورنال: Animal Biodiversity and Conservation
سال: 2019
ISSN: 1578-665X,2014-928X
DOI: 10.32800/abc.2019.42.0245