法医地球化学鉴定出爱达荷州卡斯卡德湖非法引进的黑水鲸

IF 1.3 4区农林科学 Q3 FISHERIES

North American Journal of Fisheries Management Pub Date : 2024-02-14 DOI:10.1002/nafm.10985

George Whitman, Jordan Messner, Rachel C. Johnson, Malte Willmes, Brian P. Kennedy, Carson Jeffres

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引用次数: 0

摘要

非法引进鱼类物种会破坏生态系统，使食物网崩溃，并损害休闲捕鱼的机会。确定引进的鱼类是否在当地繁殖对资源管理者来说非常重要。在这里，我们利用耳石的地球化学分析来调查 2022 年在爱达荷州卡斯卡德湖捕获的一条瓦勒耶鱼（Walleye Sander vitreus）可能被非法引进的情况。卡斯卡特湖以娱乐性黄鲈鱼（Perca flavescens）渔业而闻名，没有记录在案的马黑鱼常住种群。

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Forensic geochemistry identifies the illegal introduction of Walleye into Lake Cascade, Idaho

The illegal introduction of fish species can disrupt ecosystems, collapse food webs, and undermine recreational fishing opportunities. Determining whether introduced fish are locally reproducing is important for resource managers. Here, we used the geochemical analysis of otoliths to investigate the potential illegal introduction of a Walleye Sander vitreus caught in 2022, in Lake Cascade, Idaho. Lake Cascade is known for its recreational Yellow Perch Perca flavescens fishery and has no documented resident population of Walleye.

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来源期刊

North American Journal of Fisheries Management 农林科学-渔业

CiteScore

2.60

自引率

18.20%

发文量

118

审稿时长

2 months

期刊介绍： The North American Journal of Fisheries Management promotes communication among fishery managers with an emphasis on North America, and addresses the maintenance, enhancement, and allocation of fisheries resources. It chronicles the development of practical monitoring and management programs for finfish and exploitable shellfish in marine and freshwater environments. Contributions relate to the management of fish populations, habitats, and users to protect and enhance fish and fishery resources for societal benefits. Case histories of successes, failures, and effects of fisheries programs help convey practical management experience to others.