PDF(Pubmed)
Abstract：
Peatlands deliver a variety of beneficial ecosystem services, particularly serving as habitats for a diverse array of species. Hynobius amjiensis is a critically endangered amphibian initially discovered in a Sphagnum-dominated peatland in Anji, China. The unique habitat requirements of H. amjiensis make it highly vulnerable to environmental changes. Here, we investigated the different breeding pools of H. amjiensis in the Sphagnum-dominated peatland (the type locality) for a one-year period to evaluate the interactions among the egg sacs present, water quality, and microbial communities (16S and 18S rRNA gene amplicon). The numbers of egg sacs were higher in the breeding pools located at the marginal area than those at the core area of the peatland. Similarly, the α-diversity of bacteria, fungi, and protists were lower in the core region compared to those at the edge of the peatland, perhaps due to water eutrophication. The microbial communities and water quality differed significantly among breeding pools and sampling months. The simpler microbial networks of the breeding pools in the core wetland may impact the numbers and health of the egg sacs. This study contributes to a better understanding of the effect of water quality on biodiversity in peatlands, and it can also guide regulations for wetland conservation and the protection of endangered species.
摘要：
泥炭地提供各种有益的生态系统服务，特别是作为各种物种的栖息地。Hynobiusamjiensis是一种极度濒危的两栖动物，最初是在安吉以泥炭藓为主的泥炭地发现的，中国。Amjiensis独特的栖息地要求使其极易受到环境变化的影响。这里,我们调查了以泥炭藓为主的泥炭地（类型位置）中的H.amjiensis的不同繁殖池，为期一年，以评估存在的卵囊之间的相互作用，水质,和微生物群落(16S和18SrRNA基因扩增子)。位于边缘区域的繁殖池中的卵囊数量高于泥炭地核心区域的卵囊数量。同样，细菌的α-多样性，真菌,与泥炭地边缘相比，核心地区的原生生物较低，也许是因为水体富营养化.在繁殖池和采样月份之间，微生物群落和水质差异显着。核心湿地中繁殖池的更简单的微生物网络可能会影响卵囊的数量和健康。这项研究有助于更好地了解泥炭地水质对生物多样性的影响，它还可以指导湿地保护和濒危物种保护的法规。
