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首页> 外文期刊>Journal of Applied Ichthyology >Spatial and temporal variations and assemblage structure of fish species in Beymelek Lagoon, Turkey
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Spatial and temporal variations and assemblage structure of fish species in Beymelek Lagoon, Turkey

机译：土耳其Beymelek泻湖鱼种的时空变化和集合结构

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摘要

Spatial and temporal variations and assemblage structure of fish species were investigated in Beymelek Lagoon, on the south-western Mediterranean coast of Turkey. A total of 3956 fish, mainly juveniles, from 24 species representing 11 families were sampled by gillnets and trammel nets from February 2006 to January 2007. Twelve of the species were marine straddlers, 11 were marine-estuarine-dependent and one was catadromous. Numerical contribution of marine-estuarine-dependent species to the total fish abundance was 86.2%, while marine straddlers contributed only 13.8%. Despite the higher number of species, the numerical abundance of marine straddlers was lower than the abundance of marine-estuarine-dependent species. The contribution of catadromous species by number was only 0.02%. The assemblage was taxonomically dominated by Sparidae (seven species, 51.3%), Mugilidae (five species, 36.0%), and Clupeidae (one species, 10.3%). Among sparids, Sparus aurata, Diplodus sargus and Lithognathus mormyrus contributed 38.0, 7.2 and 4.6% to the total catch, respectively. The most abundant mugilid species was Liza saliens with 25.2%, followed by Chelon labrosus 5.2%, and Liza aurata 4.0%. Contribution by the other mugilid species to total catch was quite low. The Clupeidae (10.3%) were represented by Sardinella maderensis with 9.1% of the total catch. While the upper reaches of Beymelek Lagoon were dominated by Sparus aurata and Liza saliens, dominant in the lower reaches were Sardinella maderensis, Sparus aurata, Diplodus sargus, Lithognathus mormyrus and Liza saliens. Sparids were generally caught from mid-summer to mid-winter while mugilids were caught throughout the year. Clupeids occurred mainly from autumn to spring.
机译：在土耳其西南地中海沿岸的Beymelek泻湖中调查了鱼类的时空变化和集合结构。自2006年2月至2007年1月，共用刺网和tram虫网对来自11个科的24种3956种鱼类（主要是幼鱼）进行了采样。其中12种为海洋跨s，11种为海洋河口依赖性，其中一种为cat鱼。依赖海洋河口的物种对鱼类总丰富度的数值贡献为86.2％，而海洋跨界动物仅贡献了13.8％。尽管物种数量较多，但海洋跨界动物的数量丰度低于海洋河口依赖性物种的丰度。 cat虫种类的数量贡献仅为0.02％。在分类学上，该组合以by科（7种，占51.3％）、,科（5种，占36.0％）和科（1种，占10.3％）为主。在西班牙spa中，西班牙rus鱼，黑龙和印度扁豆分别占总产量的38.0％，7.2％和4.6％。最多的瓜类物种是Liza saliens，占25.2％，其次是Chelon labrosus 5.2％，Liza aurata 4.0％。其他杂种对总产量的贡献很低。假单胞菌（Sardinella maderensis）占总科的10.3％，占总捕获量的9.1％。虽然Beymelek泻湖的上游地区主要是Sparus aurata和Liza saliens，但在下游地区占主导地位的是玛氏沙丁鱼（Sardinella maderensis），Sparus aurata，Diplodus sargus，Lithognathus mormyrus和Liza saliens。通常从仲夏至冬季中旬捕获鱼，而全年则捕获丘比特。蠕形虫主要发生在秋天到春季。

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