从结构和分类多样性的衡量标准预测墨西哥太平洋星形目和棘尾目集合体的功能指数

IF 2.1 4区 地球科学 Q2 MARINE & FRESHWATER BIOLOGY
Bárbara Rojas-Montiel , Héctor Reyes-Bonilla , Luis E. Calderon-Aguilera
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引用次数: 0

摘要

人类活动对海洋生物群落功能和结构的影响需要有用的指标。传统上,人们使用物种丰富度和均匀度等生态指数来评估海洋生物多样性的变化。然而,这些指数忽略了潜在的生态差异。事实上,使用功能多样性可以更准确地反映这些差异,因为功能多样性可能更能代表关键的生态系统过程,包括复原力和抵抗力。然而,由于缺乏有关许多海洋物种自然史的可用信息,计算功能多样性非常复杂。为了解决这个问题,我们利用墨西哥太平洋的棘尾目和菊形目资料,研究了常用的功能多样性指数--拉奥二次熵指数(FDQ)与群落和分类结构指标之间的关系:丰富度 (S)、丰度 (N)、香农-维纳多样性 (H′)、皮鲁均匀度 (J')、分类独特性 (Δ*) 和平均分类独特性 (Δ+)。我们生成了一组方程,以确定这些常用指数是否可用作 FDQ 的近似指标。我们在功能多样性和结构多样性之间获得了良好的相关性,但 FDQ 与 J'(r = 0.975)和 H′(r = 0.965)之间存在显著的相关性。这两个生态指数是墨西哥太平洋棘皮动物门(Echinoidea)和菊形动物门(Asteroidea)当地功能多样性的很好的间接指标,可作为评估岩礁生态系统中人为或自然扰动的复杂影响的简单、廉价和有力的工具。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Predicting functional indices in Asteroidea and Echinoidea assemblages of the Mexican Pacific from measures of structural and taxonomic diversity

Useful indicators of anthropogenic impacts on the function and structure of marine communities are needed. Traditionally, changes in marine biodiversity have been evaluated using ecological indices such as species richness and evenness. However, these indices overlook potential ecological differences. Indeed, these differences are more accurately reflected using functional diversity, which is likely more representative of key ecosystem processes, including resilience and resistance. However, calculating functional diversity is complex due to a lack of available information on the natural history of many marine species. To address this problem, we used the information on Echinoidea and Asteroidea in the Mexican Pacific to examine the relationship between the Rao's quadratic entropy index (FDQ), a commonly used functional diversity index, and indicators of community and taxonomic structure: richness (S), abundance (N), Shannon-Wiener diversity (H′), Pielou evenness (J'), taxonomic distinctness (Δ*), and average taxonomic distinctness (Δ+). We generated a set of equations to determine if these commonly used indices could be used as proximal indicators of FDQ. We obtained good correlations between functional diversity and structural diversity, although the significant correlations were between FDQ and J' (r = 0.975) and H′ (r = 0.965). These two ecological indices are very good indirect indicators of the local functional diversity of Echinoidea and Asteroidea in the Mexican Pacific and can be used as simple, inexpensive, and powerful tools to assess the complex effects of human-induced or natural perturbations in rocky reef ecosystems.

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来源期刊
Journal of Sea Research
Journal of Sea Research 地学-海洋学
CiteScore
3.20
自引率
5.00%
发文量
86
审稿时长
6-12 weeks
期刊介绍: The Journal of Sea Research is an international and multidisciplinary periodical on marine research, with an emphasis on the functioning of marine ecosystems in coastal and shelf seas, including intertidal, estuarine and brackish environments. As several subdisciplines add to this aim, manuscripts are welcome from the fields of marine biology, marine chemistry, marine sedimentology and physical oceanography, provided they add to the understanding of ecosystem processes.
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