Exploring利用DNA元条形码技术研究了蓝背大西洋蝗(Atlantolacerta andanskyi)的饮食生态位

IF 0.8 4区 生物学 Q3 ZOOLOGY Herpetozoa Pub Date : 2023-10-16 DOI:10.3897/herpetozoa.36.e103198
Abderrahim S’Khifa, Ana Pereira, Mohamed Amine Samlali, Tahar Slimani, D. James Harris, Raquel Xavier
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引用次数: 0

摘要

确定饮食生态位是任何保护策略的重要组成部分,也是建立群落对气候变化反应模型的重要组成部分。DNA元条形码方法正在彻底改变这种方法,允许比通常使用显微镜更高的分类分辨率。然而,很少有研究直接比较这些方法来评估方法论上的差异。在这里,我们利用粪便样本的DNA元编码,评估了两个遗传多样性种群的饮食生态位,这是摩洛哥阿特拉斯山脉特有的一种蜥蜴,对于其中一个,我们将结果与之前发表的两种分别使用微球和胃内容物显微镜获得的饮食评估进行了比较。虽然在目水平上的结果相似,但本研究获得的更高的分类分辨率为该物种的饮食生态位提供了新的见解。两个种群之间的比较进一步强调了它们在生态上的不同。
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Exploring the dietary niche of Atlantolacerta andreanskyi (Lacertidae) using DNA metabarcoding
Determining the dietary niche is an essential part of any conservation strategy, and for modeling the community responses to climate change. DNA metabarcoding methods are revolutionizing such approaches, allowing higher taxonomic resolution than typically possible using microscopy. However, few studies have compared directly the approaches to evaluate the differences in methodology. Here we assess the dietary niches of two genetically diverse populations of Atlantolacerta andreanskyi , a lizard endemic to the Atlas Mountains, Morocco, using DNA metabarcoding of faecal samples, and for one of these we compared the results to two previously published assessments of diets obtained using microscopy of pellets and stomach contents respectively. While results at the Order level were similar, the higher taxonomic resolution obtained in this study provided new insights into the dietary niche of this species. Comparisons between the two populations further highlighted how ecologically distinct these are.
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来源期刊
Herpetozoa
Herpetozoa ZOOLOGY-
CiteScore
1.90
自引率
11.10%
发文量
27
审稿时长
>12 weeks
期刊最新文献
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