Relationship of pond drying to the reproductive success of the salamander Ambystoma talpoideum
Relationship of pond drying to the reproductive success of the salamander Ambystoma talpoideum
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池塘干燥与蝾螈Ambystoma talpoideum繁殖成功的关系
DOI：
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发表时间：
1987
期刊：
影响因子：
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通讯作者：
R. D. Semlitsch
中科院分区：
文献类型：
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作者：
R. D. Semlitsch
在自然和实验种群中研究了池塘干燥、雌性种群大小和总产卵量与蝾螈Ambystoma talpoideum繁殖成功（变态幼鱼数量）的关系。繁殖种群的大小与降雨量在迁徙季节，但不与生产的青少年在前一年。繁殖成功率和生存变态的天数在一年中，池塘有积水，但不与繁殖女性的数量或产卵的总数量。变态的时间与池塘干涸的日期有关。然而，在季节后期的变态并没有导致更大的身体尺寸在变态，只有更多的mptamorphs。灾难性的死亡率发生时，养殖池塘干涸早，导致失败的幼虫达到阈值大小或发育阶段开始变态。实验池塘的操作表明，幼虫的生长速度下降，池塘干燥。干燥被确定为一个因素，影响在临时池塘繁殖的物种繁殖成功的波动。.
The relationship of pond drying, female population size, and total egg production to the reproductive success (number of metamorphosing juveniles) of the salamRnder Ambystoma talpoideum was studied in natural and experimental populations. Breeding population size was correlated with rainfall during the migratory season but not with the production of juveniles in the previous year. Reproductive success and survival to metamorphosis were correlated with the number of days in a year that a pond had standing water but not with the number of breeding females or total number of eggs oviposited. The time of metamorphosis was correlated with the date that the pond dried. However, metamorphosing later in the season did not result in larger body size at metamorphosis, only more mptamorphs. Catastrophic mortality occurred when breeding ponds dried early, resulting from the failure of larvae to reach a threshold size or developmental stage to initiate metamorphosis. Manipulation of an experimental pond suggested that growth rate of larvae decreased as the pond dried. Desiccation was identified as a factor influencing the fluctuations in reproductive success of a species breeding in temporary ponds. .