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Reproductive and Early Life History of Nonindigenous Red Shiner in the Chattahoochee River Drainage, Georgia

机译:佐治亚州查塔胡奇河(Chattahoochee)河流域非本地红色发光物的生殖和早期生活史

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摘要

This study quantified the reproductive and early life-history characteristics of nonindigenous populations of Cyprinella lutrensis (Red Shiner) introduced into two tributaries of the Chattahoochee River, GA. Red Shiners had a maximum age of at least two years and a peak breeding season from May through July, With intermittent spawning in both populations. The presence of small individuals late ill the year suggests the potential for Red Shiners to spawn in their first summer of life in both study streams. Whereas these life histories are similar to those previously described for this species, these results suggest the potential for nonindigenous Red Shiners to successfully expand and establish populations in additional areas within the Chattahoochee River drainage.
机译:这项研究量化了引入佐治亚州查塔胡奇河的两个支流的卢氏小球藻(Red Shiner)的非土著种群的生殖和早期生活史特征。 “红色闪光者”的最长生存期至少为两年,繁殖季节从5月至7月达到顶峰,两个种群都有间歇性产卵。患病较晚的小个体的出现表明,“红色闪光者”有可能在两个研究阶段的生命的第一个夏天产卵。尽管这些生活史与先前对该物种的描述相似,但这些结果表明非本土的“红色光芒”有可能在查塔胡奇河排水系统内的其他区域成功扩展并建立种群。

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