ND2 as an Additional Genetic Marker to Improve Identification of Diving Ducks Involved in Bird Strikes

IF 0.9 4区环境科学与生态学 Q4 BIODIVERSITY CONSERVATION

Human–Wildlife Interactions Pub Date : 2020-01-01 DOI:10.26077/4DC6-AD95

Sarah A. M. Luttrell, S. Drovetski, N. F. Dahlan, Damani Eubanks, C. Dove

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引用次数: 0

Abstract

Knowing the exact species of birds involved in damaging collisions with aircraft (bird strikes) is paramount to managing and preventing these types of human–wildlife conflicts. While a standard genetic marker, or DNA barcode (mitochondrial DNA gene cytochrome-c oxidase 1, or CO1), can reliably identify most avian species, this marker cannot distinguish among some closely related species. Diving ducks within the genus Aythya are an example of congeneric waterfowl involved in bird strikes where several species pairs cannot be reliably identified with the standard DNA barcode. Here, we describe methods for using an additional genetic marker (mitochondrial DNA gene NADH dehydrogenase subunit 2, or ND2) for identification of 9 Aythya spp. Gene-specific phylogenetic trees and genetic distances among taxa reveal that ND2 is more effective than CO1 at genetic identification of diving ducks studied here. Compared with CO1, the ND2 gene tree is more statistically robust, has a minimum of 1.5 times greater genetic distance between sister clades, and resolves paraphyly in 2 clades. While CO1 is effective for identification of most bird strike cases, this study underscores the value of targeted incorporation of additional genetic markers for species identification of taxa that are known to be problematic using standard DNA barcoding.

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ND2作为一种额外的遗传标记来提高对参与鸟击的潜水鸭的识别

了解与飞机发生破坏性碰撞(鸟撞)的鸟类的确切种类，对于管理和预防这类人类与野生动物的冲突至关重要。虽然标准遗传标记或DNA条形码(线粒体DNA基因细胞色素-c氧化酶1或CO1)可以可靠地识别大多数鸟类物种，但这种标记不能区分一些密切相关的物种。潜水鸭属的潜水鸭是涉及鸟类撞击的同类水禽的一个例子，其中有几个物种对无法用标准DNA条形码可靠地识别。本文描述了使用另一个遗传标记(线粒体DNA基因NADH脱氢酶亚基2，或ND2)鉴定9种鸭的方法。基因特异性系统发育树和类群之间的遗传距离表明，ND2比CO1更有效地鉴定了所研究的潜水鸭。与CO1相比，ND2基因树的统计稳健性更强，姐妹支系之间的遗传距离至少是CO1的1.5倍，并且在2个支系中分解。虽然CO1对大多数鸟击事件的识别是有效的，但本研究强调了有针对性地结合额外的遗传标记对已知使用标准DNA条形码有问题的分类群的物种识别的价值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Human–Wildlife Interactions Environmental Science-Nature and Landscape Conservation

CiteScore

2.80

自引率

0.00%

发文量

审稿时长

11 weeks

期刊介绍： Human–Wildlife Interactions (HWI) serves the professional needs of the wildlife biologist and manager in the arena of human–wildlife conflicts/interactions, wildlife damage management, and contemporary wildlife management. The intent of HWI is to publish original contributions on all aspects of contemporary wildlife management and human–wildlife interactions with an emphasis on scientific research and management case studies that identify and report innovative conservation strategies, technologies, tools, and partnerships that can enhance human–wildlife interactions by mitigating human–wildlife conflicts through direct and indirect management of wildlife and increased stakeholder engagement. Our intent is to promote a dialogue among wildlife professionals concerning contemporary management issues. As such, we hope to provide a repository for wildlife management science and case studies that document and share manager experiences and lessons learned.