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DOI | 10.3354/meps14554 |
Aftereffects of Hurricanes Irma and Ian on queen conch Aliger gigas in the Florida Keys, USA | |
发表日期 | 2024 |
ISSN | 0171-8630 |
EISSN | 1616-1599 |
起始页码 | 733 |
卷号 | 733 |
英文摘要 | Hurricanes can have substantial impacts on shallow-water marine habitats and species. Populations of slow-moving benthic species that are subject to depensation such as the queen conch Aliger gigas may be particularly vulnerable to hurricanes. The species is protected in Florida (USA), which allowed us to investigate the effects of Hurricanes Irma (2017) and Ian (2022) on the population without the confounding effects of fishing. Adult queen conch density had declined over 80% at sites resurveyed immediately after the passage of Hurricane Irma. Additionally, the sites closest to the eye of Hurricane Irma had a significant increase in the percent cover of sand. The sand mobilized by the storm likely buried numerous conch and caused mortality. Subsequent Florida Keys-wide annual monitoring did not show any substantial recovery in adult density prior to Hurricane Ian. Adult density had declined by similar to 45% at sites resurveyed after Hurricane Ian. Unlike after Irma, we did not detect any significant correlation in the change to the percent cover of sand with distance from Ian. This was probably because the eye of Hurricane Ian was farther away from the main portion of the Keys than that of Hurricane Irma. Nevertheless, after both hurricanes, adult density dropped below the minimum threshold for mating in the Keys, demonstrating the depensatory implications of hurricanes for conch populations. Consequently, fishery managers must consider the synergistic effects of hurricanes and harvest on exploited populations, especially since the intensity, longevity, and frequency of hurricanes are expected to increase due to climate change. |
英文关键词 | Queen conch; Hurricanes; Depensation; Allee effect; Habitat; Sedimentation |
语种 | 英语 |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Oceanography |
WOS类目 | Ecology ; Marine & Freshwater Biology ; Oceanography |
WOS记录号 | WOS:001200173700008 |
来源期刊 | MARINE ECOLOGY PROGRESS SERIES
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文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/299655 |
作者单位 | Florida Fish & Wildlife Conservation Commission; Memorial University Newfoundland |
推荐引用方式 GB/T 7714 | . Aftereffects of Hurricanes Irma and Ian on queen conch Aliger gigas in the Florida Keys, USA[J],2024,733. |
APA | (2024).Aftereffects of Hurricanes Irma and Ian on queen conch Aliger gigas in the Florida Keys, USA.MARINE ECOLOGY PROGRESS SERIES,733. |
MLA | "Aftereffects of Hurricanes Irma and Ian on queen conch Aliger gigas in the Florida Keys, USA".MARINE ECOLOGY PROGRESS SERIES 733(2024). |
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