Dietary overlap between invasion ctenophora (M. leidyi ) and anchovy (C. engrauliformis) in the southern parts of Caspian Sea
نویسندگان
چکیده
منابع مشابه
Fishery and biological aspects of anchovy Kilka ( Clupeonella engrauliformis) in the southern Caspian Sea
This paper aimed to investigate the fishery and biological characteristics of anchovy Kilka in Iranian waters of the Caspian Sea from 2005-2007, including length and age structure ,Von Bertalanffy growth parameters, length and age at first capture, condition factor, sex ratio, natural and fishing mortality. The examination of catch data approved that Kilka population in the Caspian Sea have b...
متن کاملFishery and biological aspects of anchovy Kilka ( Clupeonella engrauliformis) in the southern Caspian Sea
This paper aimed to investigate the fishery and biological characteristics of anchovy Kilka in Iranian waters of the Caspian Sea from 2005-2007, including length and age structure ,Von Bertalanffy growth parameters, length and age at first capture, condition factor, sex ratio, natural and fishing mortality. The examination of catch data approved that Kilka population in the Caspian S...
متن کاملMnemiopsis leidyi Invasion and Biodiversity Changes in the Caspian Sea
1.1 Caspian Sea The complex history of the Caspian Sea formation has lead to a variety of different habitats. Like Australia, the Caspian Sea became isolated thousands of years ago (Plate 1). This isolation led to the speciation of many rare animals in particular the sturgeon. The Caspian Sea is the biggest enclosed body of water on Earth, having an even larger area than that of the American Gr...
متن کاملFeatures of phytoplankton community in the southern Caspian Sea, a decade after the invasion of Mnemiopsis leidyi
Phytoplankton study has become more significant in the Caspian Sea due to the occurrence of ecological events such as algal blooms and the introduction of the invader species(Ctenophore, Mnemiopsis leidyi). A seasonal study was conducted to investigate the features of phytoplankton community one decade after this invasion in the Iranian coast of Caspian Sea during 2009-2010. According to the re...
متن کاملSignificant changes in pelagic fish stocks of Clupeonella spp. in the south Caspian Sea
The present study was carried out during 2006-2007 along the southern Caspian Sea. The species composition showed that the common kilka, Clupeonella cultriventris caspia, is dominant species with 89% and then anchovy, C. engrauliformis, has shown only 8.7% while it was already dominant species in the past decades. The overall results indicated that common kilka was replaced with anchov...
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ژورنال
عنوان ژورنال: International Journal of Environmental Science & Technology
سال: 2004
ISSN: 1735-1472,1735-2630
DOI: 10.1007/bf03325820