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首页> 外文期刊>Gulf and Caribbean research >A WESTERN RANGE EXTENSION FOR CAPRELLA SCAURA (AMPHIPODA: CAPRELLIDAE) IN THE ARANSAS BAY ECOSYSTEM, TEXAS
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A WESTERN RANGE EXTENSION FOR CAPRELLA SCAURA (AMPHIPODA: CAPRELLIDAE) IN THE ARANSAS BAY ECOSYSTEM, TEXAS

机译：德克萨斯州ARANSAS BAY生态系统中的CAPRELLA SCAURA（AMPHIPODA：CAPRELLIDAE）的西方范围扩展

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摘要

During March 2009, the skeleton shrimp Caprella scaura and Paracaprella tenuis (Amphipoda: Caprellidae) were collected from several locations throughout the Aransas Bay, Texas ecosystem from Texas Parks and Wildlife fishery-independent trawl and oyster dredge samples. This is a western range expansion for C. scaura; P. tenuis has been reported from this area before. Both species were exclusively associated with a bryozoan, Bugula neritina. Densities of both species ranged between 0.1 -3.4 individuals per gram of attached bryozoans. A reproductive population is likely established since several sizes, including adult males and gravid females, were observed. No caprellids were observed after early April, which coincided with a reduction in bryozoan occurrence in our routine monthly samples. These collections represent the first documented occurrence of C. scaura west of Florida.
机译：2009年3月，从得克萨斯州公园和得克萨斯州野生动物渔业独立的拖网和牡蛎疏edge样本中，从德克萨斯州阿兰萨斯湾整个生态系统的多个地点采集了骨架虾Caprella scaura和Paracaprella tenuis（两栖类：Caprellidae）。这是C. scaura的向西扩展。以前曾有报道称该地区有P. tenuis。这两个物种仅与苔藓虫（Bugula neritina）有关。两种物种的密度在每克附着的苔藓虫每克0.1 -3.4个人之间。由于观察到包括成年雄性和妊娠雌性在内的几种体型，可能建立了繁殖种群。在4月初之后，没有观察到caprellids，这与我们常规的每月样本中的苔藓虫病发生率降低有关。这些收藏品是佛罗里达州西部首次记载的斯卡乌斯藻。

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