Severe introduced predator impacts despite attempted functional eradication
Severe introduced predator impacts despite attempted functional eradication
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尽管尝试了功能性根除，但仍受到严重的外来捕食者影响
DOI：
10.1007/s10530-021-02677-3
复制
发表时间：
2021
影响因子：
2.9
通讯作者：
Zabin, Chela J.
中科院分区：
文献类型：
--
作者：
Cheng, Brian S.;Blumenthal, Jeffrey;Chang, Andrew L.;Barley, Jordanna;Ferner, Matthew C.;Nielsen, Karina J.;Ruiz, Gregory M.;Zabin, Chela J.
已建立的非本地物种可能会对本地生物多样性产生重大影响，但没有完全根除的可能性。在这种情况下，一种管理方法是功能性根除，即将引进物种的密度减少到对当地群落造成不可接受的影响的水平以下。功能性根除对于扩散能力降低的物种可能特别有效，这可能会限制远距离种群的重新入侵率。在这里，我们使用社区科学方法在旧金山湾评估了功能性根除引入的掠食性牡蛎钻（Urosalpinx cinerea）的潜力。我们结合观察调查、有针对性的清除和笼养实验来评估这种方法在降低猎物奥林匹亚牡蛎（Ostrea lurida）（一种保护和恢复优先物种）死亡率方面的有效性。尽管 300 多名志愿者努力清除了 30,000 多个牡蛎钻，但我们报告的成功有限。我们还发现牡蛎钻和牡蛎之间存在很强的负相关关系，表明在八个地点几乎不存在共存。在实验地点，在笼养实验中，去除牡蛎钻对牡蛎的存活率没有影响，但笼养处理对牡蛎的存活率有很强的影响（开放和部分笼养处理的存活率分别为0%和1.6%，而捕食者排除处理的存活率为89.1%）。我们的结论是，功能性根除该物种需要付出更大的努力，并且在该系统中可能不是可行的管理策略。我们讨论了与该物种和其他引进物种的管理相关的几种可能的机制。在输卵管泌尿道已经建立或可能入侵的地方不应进行牡蛎恢复工作。
Established non-native species can have significant impacts on native biodiversity without any possibility of complete eradication. In such cases, one management approach is functional eradication, the reduction of introduced species density below levels that cause unacceptable effects on the native community. Functional eradication may be particularly effective for species with reduced dispersal ability, which may limit rates of reinvasion from distant populations. Here, we evaluate the potential for functional eradication of introduced predatory oyster drills (Urosalpinx cinerea) using a community science approach in San Francisco Bay. We combined observational surveys, targeted removals, and a caging experiment to evaluate the effectiveness of this approach in mitigating the mortality of prey Olympia oysters (Ostrea lurida), a conservation and restoration priority species. Despite the efforts of over 300 volunteers that removed over 30,000 oyster drills, we report limited success. We also found a strong negative relationship between oyster drills and oysters, showing virtually no coexistence across eight sites. At experimental sites, there was no effect of oyster drill removal on oyster survival in a caging experiment, but strong effects of caging treatment on oyster survival (0 and 1.6% survival in open and partial cage treatments, as compared to 89.1% in predator exclusion treatments). We conclude that functional eradication of this species requires significantly greater effort and may not be a viable management strategy in this system. We discuss several possible mechanisms for this result with relevance to management for this and other introduced species. Oyster restoration efforts should not be undertaken whereUrosalpinxis established or is likely to invade.
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DOI：
--
发表时间：
2004
期刊：
影响因子：
--
作者：
C. Overdevest;C. Orr;Kristine F. Stepenuck
通讯作者：
Kristine F. Stepenuck
影响因子：
5
作者：
Green, Stephanie J.;Dulvy, Nicholas K.;Cote, Isabelle M.
通讯作者：
Cote, Isabelle M.
DOI：
10.1073/pnas.2003955118
发表时间：
2021-03-23
影响因子：
11.1
作者：
Grosholz, Edwin;Ashton, Gail;Tepolt, Carolyn
通讯作者：
Tepolt, Carolyn
影响因子：
2
作者：
Heinze, G;Schemper, M
通讯作者：
Schemper, M
海洋无脊椎动物发育策略的演变。
影响因子：
16.8
作者：
G. Wray;R. Raff
通讯作者：
R. Raff