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首页> 外文期刊>Turkish journal of zoology >The ecology of freshwater bivalves in the Lake Sapanca basin, Turkey
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The ecology of freshwater bivalves in the Lake Sapanca basin, Turkey

机译：土耳其萨潘卡湖盆地的淡水双壳类动物生态

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摘要

Despite the ecological importance and globally threatened status of freshwater bivalves, the freshwater mussel fauna of Turkey has hitherto received little attention. The aim of this study was to describe the ecology of freshwater mussels of the Lake Sapanca basin (northwest Turkey) to provide baseline data against which to measure future trends. Five native mussel species belonging to 3 genera were encountered in surveys: Anodonta cygnea, A. anatina, Unio pictorum, U. crassus, and Dreissena polymorpha. In addition, an invasive species from Asia, A. woodiana, was recorded in the region for the first time. A. cygnea and U. pictorum were the most abundant species in the lake, while U. crassus was most abundant in the associated stream. Age and growth parameters were estimated for U. pictorum and U. crassus, and indicated that the latter species had a younger median age and faster growth rate than the former, possibly a function of exclusively occupying a nutrient-enriched stream. The bioecological features of the bivalve fauna of the Lake Sapanca basin, as well as the implications of the introduction of A. woodiana, are discussed.
机译：尽管淡水双壳类动物具有生态重要性并在全球范围内受到威胁，但迄今为止，土耳其的淡水贻贝动物区系鲜有受到关注。这项研究的目的是描述萨潘卡湖流域（土耳其西北部）的淡水贻贝的生态学，以提供基准数据来衡量未来的趋势。在调查中遇到了5个属于3个属的本地贻贝物种：短尾无齿藻（Anodonta cygnea），A。anatina，Unio pictorum，U。crassus和Dreissena polymorpha。此外，该地区还首次记录了来自亚洲的入侵物种A. woodiana。短尾曲霉和pictorum是湖中最丰富的物种，而crassus属在相关溪流中最丰富。估计了U. pictorum和C. crassus的年龄和生长参数，并表明后者比中前者具有更年轻的中位年龄和更快的生长速率，这可能是专门占据营养丰富的水流的功能。讨论了萨潘卡湖盆地双壳动物区系的生物生态学特征，以及引入A. woodiana的意义。

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