Fish taxonomic, functional, and phylogenetic diversity and their vulnerabilities in the largest river in southeastern China

Li, Lin; Deng, Weide; Huang, Xiaoxia; Kang, Bin

doi:10.1002/ece3.7945

Cited by 12 publications

(12 citation statements)

References 94 publications

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“…This was indirectly supported by the NRI and NTI of phylogenetic structure at lower elevations. Unexpectedly, human disturbance had a positive explanatory influence on functional diversity and MFD, which is inconsistent with previous studies where human disturbance negatively affected functional diversity [ 27 , 66 , 70 ]. Notably, however, positive effects of human disturbance on birds’ functional diversity have been recorded in the Himalayas [ 24 , 71 ], and on certain plants in the Yak Meadow Park, Mount Jade Dragon National Geological Park of Yunnan, China [ 72 ].…”

Section: Discussioncontrasting

confidence: 99%

Human Disturbance and Geometric Constraints Drive Small Mammal Diversity and Community Structure along an Elevational Gradient in Eastern China

Pei

Ren

et al. 2022

Animals

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Understanding the mechanisms influencing patterns and processes of biological diversity is critical to protecting biodiversity, particularly in species-rich ecosystems such as mountains. Even so, there is limited knowledge of biodiversity patterns and processes in the mountains of eastern China, especially about small mammals. In this study, we examined the taxonomic, functional, and phylogenetic diversity of small mammal distribution and community structure along the elevational gradient of Qingliang Mountain, eastern China. We then evaluated how they are influenced by space (area and mid-domain effect (MDE)), environment (temperature, precipitation, and normalized difference vegetation index (NDVI)), and human disturbance. The results showed hump-shaped patterns of taxonomic and phylogenetic diversity along elevation gradients, peaking at 1000 m, unlike functional diversity, which peaked at lower elevations (600 m). The mean pairwise distance and mean nearest taxon distance of functional and phylogenetic variance (MFD and MPD, respectively) were also incongruent. The MFD and MPD showed hump-shaped patterns along elevations; however, unlike MFD, which peaked at lower elevations (600 m), MPD peaked at higher elevations (1200 m). The mean nearest functional taxon distance (MNFD) decreased, while the mean nearest phylogenetic taxon distance (MNTD) increased along the elevation gradient. The higher elevations were functionally more clustered, while the lower elevations were phylogenetically more clustered, suggesting that environmental filtering for traits was stronger at higher elevations. In comparison, phylogenetic conservatism of ecological niches had a stronger influence at lower elevations. The diversity and community structure indices were inconsistently explained, with human disturbance and MDE accounting for the biggest proportions of the model-explained variances. Overall, the results confirm that environmental filtering and human disturbance significantly influence small mammals’ diversity and community structure. These findings also emphasize the need for increased conservation efforts in the middle and lower elevation regions of Qingliang Mountain.

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Section: Discussioncontrasting

confidence: 99%

Human Disturbance and Geometric Constraints Drive Small Mammal Diversity and Community Structure along an Elevational Gradient in Eastern China

Pei

Ren

et al. 2022

Animals

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“…Correlation analysis of functional and phylogenetic β ‐diversity among species can be a better understanding of ecological similarities and differences among proximate species (Huang et al, 2020 ). From the above findings, the functional β ‐diversity of fish is more vulnerable to loss (Lin et al, 2021 ).…”

Section: Discussionmentioning

confidence: 99%

Understanding the relative roles of local environmental, geo‐climatic and spatial factors for taxonomic, functional and phylogenetic β‐diversity of stream fishes in a large basin, Northeast China

Zhang

Wang

et al. 2022

Ecology and Evolution

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The primary objective of this study was to determine the relative roles of local environmental ( Local ), geo‐climatic ( Geo ), and spatial ( Spatial ) factors to taxonomic, functional, and phylogenetic β ‐diversity of stream fish in a large basin in Northeast China. We quantified the current biodiversity patterns of fish communities in the Hun‐Tai River using β ‐diversity. We assessed (i) corresponding contributions of turnover and nestedness within the taxonomic, functional, and phylogenetic β ‐diversity of fishes; (ii) correlations among β ‐diversity facets (i.e., taxonomic, functional, and phylogenetic facets); (iii) relative contributions of Local , Geo , and Spatial factors to β ‐diversity. We collected fish communities from 171 sampling sites. Mantel tests were used to examine the correlation of three facets of β ‐diversity and their components (i.e., total, nestedness, and turnover). Distance‐based redundancy analysis and variation partitioning assess the relative contributions of Local , Geo , and Spatial factors to β ‐diversity. We found that turnover is the main driving mechanism for β ‐diversity in fish. Among the facets of β ‐diversity, taxonomic and phylogenetic facets have strong ecological information association. Spatial factors have a general contribution to various facets of β ‐diversity and its components. From aspects of fish β ‐diversity conservation, connectivity and habitat heterogeneity need to be maintained in the entire aquatic environment. In addition, protecting taxonomic β ‐diversity is helpful for maintaining phylogenetic β ‐diversity.

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“…In addition, it shows that each diversity index holds specific potential for conservation and restoration purposes by motivating for either local or landscape-scale actions. While emerging trends from this and previous studies suggest that evenness tends to be particularly sensitive to local/fine-scale processes and richness to broader scale mechanisms, our understanding of how assembly factors generate and alter spatial patterns of different diversity facets is still limited to a few studies 14,15,18,71 . More empirical evidence from a wider range of ecosystems, including non-patchy habitats, is therefore required to establish the generality of these patterns.…”

Section: Discussionmentioning

confidence: 90%

Spatial autocorrelation signatures of ecological determinants on plant community characteristics in high Andean wetlands

Lozada

Bertin

2022

Sci Rep

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Understanding how biological communities are shaped is a central tenet of community ecology. Recent evidence highlights the potential of decoupling diversity spatial autocorrelation into its positive and negative components to reveal community assembly processes that would otherwise remain undetected, as well as to improve understanding of their impacts on different facets of diversity. Yet, such approaches have only been implemented to investigate the effects of a few assembly drivers on a small number of diversity components. Here, we used high Andean wetland plant communities over a strong latitudinal gradient to investigate the effects of various ecological factors on spatial autocorrelation patterns of nine community metrics with different informative values, including measures of richness, dominance, evenness and beta-diversity. By combining Moran’s Eigenvector Maps, partial least squares structural equation modeling, and regression analyses, we revealed two groups of community parameters presenting contrasting spatial patterns due to specific sensitivities to ecological factors. While environmental variation and wetland connectivity increased positive spatial autocorrelation in richness and dominance-related parameters, species co-occurrence promoted negative spatial autocorrelation in evenness-related parameters. These results offer new insights regarding both how ecological processes affect species assembly, as well as the information captured by classical taxonomic parameters.

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Fish taxonomic, functional, and phylogenetic diversity and their vulnerabilities in the largest river in southeastern China

Abstract: This is an open access article under the terms of the Creat ive Commo ns Attri bution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 12 publications

References 94 publications

Human Disturbance and Geometric Constraints Drive Small Mammal Diversity and Community Structure along an Elevational Gradient in Eastern China

Human Disturbance and Geometric Constraints Drive Small Mammal Diversity and Community Structure along an Elevational Gradient in Eastern China

Understanding the relative roles of local environmental, geo‐climatic and spatial factors for taxonomic, functional and phylogenetic β‐diversity of stream fishes in a large basin, Northeast China

Spatial autocorrelation signatures of ecological determinants on plant community characteristics in high Andean wetlands

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