Quantitative Evaluation of Post-Release Mortality Using Salt Pond Mesocosms: Case Studies of Hatchery and Wild Juvenile Tiger Puffer
Quantitative Evaluation of Post-Release Mortality Using Salt Pond Mesocosms: Case Studies of Hatchery and Wild Juvenile Tiger Puffer
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利用盐池中生态系统定量评估放归后死亡率：孵化场和野生虎河鲀幼年的案例研究
DOI：
10.1080/10641260701681755
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发表时间：
2008
影响因子：
--
通讯作者：
Yoh
中科院分区：
文献类型：
--
作者：
D. Shimizu;K. Sakiyama;Y. Sakakura;T. Takatani;Yoh
放流试验中的定量方法通常用于评估鱼的放流质量。然而，自然条件下的释放试验在其实验设计中包括掩蔽因子。为了简化释放的实验设计，我们使用了一个半自然的环境：一个盐池中生态系统（5,300平方米）。本文综述了最近的研究结果，有关释放后的死亡率，行为和生理条件之间的比较野生和孵化饲养的青少年的虎河豚（红鳍东方鲀），这是释放到围隔有或没有捕食者（鲈鱼，Lateolabrax SP。）。释放试验的结果表明，孵化饲养的少年比野生少年更容易被捕食，捕食发生后不久，释放，此后减少。结果表明，放养鱼和野生鱼释放后的游泳深度不同，河豚毒素（TTX）的积累也不同。释放后不久的捕食和孵化场饲养的幼鱼的行为缺陷，例如游泳行为和进食行为的变化，可能是该物种种群增殖计划中死亡的主要原因。
Quantitative approaches in release trials are typically used to evaluate fish quality for release. However, release trials under natural conditions include masking factors in their experimental designs. To streamline the experimental design of release, we used a semi-natural environment: a salt pond mesocosm (5,300 m2). This article reviews recent findings related to comparison of post-release mortality, behavior, and physiological conditions between wild and hatchery-reared juveniles of the tiger puffer (Takifugu rubripes), which were released into the mesocosm with or without predators (sea bass, Lateolabrax sp.). Results of release trials in the mesocosm suggested that hatchery-reared juveniles were more easily preyed upon than wild juveniles, and that predation occurred shortly after release, decreasing thereafter. Results revealed differences in swimming depth after release and different accumulations of tetrodotoxin (TTX) in reared and wild fish. Predation shortly after release and behavioral defects in hatchery-reared juveniles, such as changes in swimming behavior and feeding behavior, might be the main causes of mortality in this species' stock enhancement programs.
DOI：
10.1016/j.cbd.2005.10.006
发表时间：
2006-03-01
影响因子：
3
作者：
Noguchi, T;Arakawa, O;Takatani, T
通讯作者：
Takatani, T
饥饿期后孵化场饲养的日本比目鱼幼鱼的摄食行为。
DOI：
--
发表时间：
2000
期刊：
Aquaculture 190・1-2
影响因子：
--
作者：
MIYAZAKI;Taeko
通讯作者：
Taeko