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资源多样性扰乱海洋多样性和群落稳定性，但多样性的丧失会增强群落稳定性。

Resource diversity disturbs marine diversity and community stability, but loss of diversity enhances community stability.

作者信息

Qin Xinyi, Hou Qinghua, Zhao Huaxian, Wang Pengbin, Yang Shu, Liao Nengjian, Huang Jiongqing, Li Xiaoli, He Qing, Nethmini Rajapakshalage Thashikala, Jiang Gonglingxia, He Shiying, Chen Qingxiang, Dong Ke, Li Nan

机构信息

Laboratory for Coastal Ocean Variation and Disaster Prediction, Key Laboratory of Climate, Resources and Environment in Continental Shelf Sea and Deep Sea of Department of Education of Guangdong Province, College of Ocean and Meteorology Guangdong Ocean University Zhanjiang China.

Key Laboratory of Environment Change and Resources use in Beibu Gulf, Ministry of Education Nanning Normal University Nanning China.

出版信息

Ecol Evol. 2024 Apr 19;14(4):e11234. doi: 10.1002/ece3.11234. eCollection 2024 Apr.

DOI:10.1002/ece3.11234
PMID:38646003
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11027015/
Abstract

is a salt-tolerant heterotrophic bacterium that occupies an important ecological niche in marine environments. However, little is known about the contribution of resource diversity to the marine diversity and community stability. In this study, we investigated the association among resource diversity, taxonomic diversity, phylogenetic diversity, and community stability of marine in the Beibu Gulf. and were the dominant groups in seawater and sediments, respectively, in the Beibu Gulf. Higher alpha diversity was observed in the sediments than in the seawater. Marine community assembly was dominated by deterministic processes. Pearson's correlation analysis showed that nitrite (-N), dissolved inorganic nitrogen (DIN), ammonium (-N), and pH were the main factors affecting marine community stability in the surface, middle, and bottom layers of seawater and sediment, respectively. Partial least-squares path models (PLS-PM) demonstrated that resource diversity, water properties, nutrients, and geographical distance had important impacts on phylogenetic and taxonomic diversity. Regression analysis revealed that the impact of resource diversity on marine diversity and community stability varied across different habitats, but loss of diversity increases community stability. Overall, this study provided insights into the mechanisms underlying the maintenance of diversity and community stability in marine environments.

摘要

是一种耐盐异养细菌，在海洋环境中占据重要的生态位。然而，关于资源多样性对海洋多样性和群落稳定性的贡献知之甚少。在本研究中，我们调查了北部湾海洋中资源多样性、分类多样性、系统发育多样性和群落稳定性之间的关联。在北部湾，分别是海水和沉积物中的优势类群。沉积物中的α多样性高于海水。海洋群落组装主要由确定性过程主导。Pearson相关分析表明，亚硝酸盐（-N）、溶解无机氮（DIN）、铵（-N）和pH分别是影响海水和沉积物表层、中层和底层海洋群落稳定性的主要因素。偏最小二乘路径模型（PLS-PM）表明，资源多样性、水质、养分和地理距离对系统发育和分类多样性有重要影响。回归分析表明，资源多样性对海洋多样性和群落稳定性的影响因不同生境而异，但多样性的丧失会增加群落稳定性。总体而言，本研究为海洋环境中多样性维持和群落稳定性的潜在机制提供了见解。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/f3b0662968dc/ECE3-14-e11234-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/1f3cb31d090e/ECE3-14-e11234-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/c82f0d090e3a/ECE3-14-e11234-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/22f8f09a4367/ECE3-14-e11234-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/360809198ccf/ECE3-14-e11234-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/5c03b2d1fc0d/ECE3-14-e11234-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/da7462e191cd/ECE3-14-e11234-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/53f4ae916796/ECE3-14-e11234-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/49fa7002608f/ECE3-14-e11234-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/f3b0662968dc/ECE3-14-e11234-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/1f3cb31d090e/ECE3-14-e11234-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/c82f0d090e3a/ECE3-14-e11234-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/22f8f09a4367/ECE3-14-e11234-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/360809198ccf/ECE3-14-e11234-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/5c03b2d1fc0d/ECE3-14-e11234-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/da7462e191cd/ECE3-14-e11234-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/53f4ae916796/ECE3-14-e11234-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/49fa7002608f/ECE3-14-e11234-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c3ea/11027015/f3b0662968dc/ECE3-14-e11234-g001.jpg

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