Davis J Brian
Department of Wildlife, Fisheries & Aquaculture Mississippi State University Mississippi State Mississippi USA.
Ecol Evol. 2022 Apr 28;12(5):e8850. doi: 10.1002/ece3.8850. eCollection 2022 May.
Translocations or other movements of wildlife sometimes accomplish their intended objectives, but unforeseen consequences may arise and disrupt locally adapted ecological communities, restructure or dilute genetic integrity of populations or subspecies of the moved organism, and otherwise negatively influences a species' long-term fitness. Two historical populations of Mottled Ducks () exist and are endemic to (1) Mexico and the West-Gulf Coast (. . ) regions of the United States and (2) Florida (. . ). From 1975 to 1983, 1285 Mottled Ducks from Florida, Louisiana, and Texas were released to coastal South Carolina, primarily to ultimately establish a legally harvestable population. This movement stirred mixed reactions amid the conservation community. Contemporary information suggests an increasing Mottled Duck population in South Carolina and possibly dispersing into Georgia. Herein, I objectively discuss the potential consequences of this new population per the birds' evolution, ecology, and management. Ultimately, I suggest that this translocation is a long-term benefit to the species.
野生动物的迁移或其他移动有时能实现预期目标，但也可能产生意外后果，扰乱当地适应的生态群落，重组或稀释被移动生物种群或亚种的遗传完整性，或以其他方式对物种的长期适应性产生负面影响。花脸鸭（）有两个历史种群，分别分布于（1）墨西哥和美国西湾沿岸（……）地区以及（2）佛罗里达州（……），且为当地特有。1975年至1983年期间，来自佛罗里达州、路易斯安那州和得克萨斯州的1285只花脸鸭被放归到南卡罗来纳州沿海地区，主要目的是最终建立一个可合法猎捕的种群。这一行动在保护界引发了不同反应。当代信息表明，南卡罗来纳州的花脸鸭种群数量在增加，并且可能扩散到佐治亚州。在此，我将从鸟类的进化、生态和管理角度客观地讨论这个新种群可能带来的后果。最终，我认为这次迁移对该物种具有长期益处。
