Elevation shapes biodiversity patterns through metacommunity-structuring processes

Chiu, Ming‐Chih; Ao, Sicheng; He, Fengzhi; Resh, Vincent H.; Cai, Qinghua

doi:10.1016/j.scitotenv.2020.140548

Cited by 16 publications

(12 citation statements)

References 52 publications

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“…Partial Mantel tests are often used to control for an underlying spatial matrix, but research has suggested that partial Mantel tests may not be adequate for controlling for spatial autocorrelation (Guillot and Rousset, 2013;Crabot et al, 2019). Future research focused on how abiotic (physical distance, local environment) and biotic (competition, predation, symbiosis) factors interact will provide more insight to the different roles that each factor plays in shaping metacommunities (Chiu et al, 2020).…”

Section: Influence Of Connectivity On Dispersal and Metacommunitiesmentioning

confidence: 99%

Metacommunity Structures of Macroinvertebrates and Diatoms in High Mountain Streams, Yunnan, China

Kurthen

Dong

et al. 2020

Front. Ecol. Evol.

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Section: Influence Of Connectivity On Dispersal and Metacommunitiesmentioning

confidence: 99%

Metacommunity Structures of Macroinvertebrates and Diatoms in High Mountain Streams, Yunnan, China

Kurthen

Dong

et al. 2020

Front. Ecol. Evol.

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“…Cangshan reaches 4122 m a.s.l., the elevation of our collecting sites being between 2000 and 2250 m. The regional climate is influenced by plateau monsoons, being characterised by wet (May to October) and dry (November to April) seasons. The mean annual precipitation is 1683 mm, which is the major source of stream flow, while snow melt in the dry season is the minor source (Chiu et al 2020).…”

Section: Methodsmentioning

confidence: 99%

Description of a new species of the genus Ameletus Eaton, 1885 (Ephemeroptera, Ameletidae) from Yunnan, China

Li¹,

Luo²,

Jiang³

et al. 2021

752

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A new species with primitive characteristics, Ameletus daliensis Tong, sp. nov., is described, based on the morphology of imago, larva and egg with molecular data of the mitochondrial COI from Mount Cangshan, Dali, China. The new species is closely related to one of the most primitive mayflies, Ameletus primitivus Traver, 1939, by sharing persistent mouthparts in the alate stage, but it can be distinguished from the latter by the morphological differences of the mouthpart remains, wings and genitals in the imaginal stage. Both morphological and molecular evidence support that A. daliensis Tong, sp. nov. is a new member of the genus Ameletus. The discovery of the new species could help understand the origin and evolution of the genus Ameletus.

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“…Traits also reflect species' roles or functions within communities and can reveal mechanisms that affect distributional patterns along habitat gradients (Kraft et al 2007). In terrestrial ecosystems, for example, competition, trait expression and environmental filtering along elevational gradients can have marked effects on bird communities (McCain 2009;Machac et al 2011;Dehling et al 2014;He et al 2018;Ulrich et al 2018;Ding et al 2019;Chiu et al 2020). Among all ecosystems, rivers have received considerable emphasis in community ecology (Ward et al 1998;Robinson et al 2002;Altermatt et al 2020), including seminal assessments of assembly rules, environmental filtering and trait-based studies (Poff 1997;Heino et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Community assembly, functional traits and phylogeny in Himalayan river birds

Sinha

Chatterjee

Krishnamurthy

et al. 2022

Preprint

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Heterogeneity in riverine habitats acts as a template for species evolution that influences river communities at different spatio-temporal scales. Although birds are conspicuous elements of these communities, the roles of phylogeny, functional traits and habitat character in their niche-use or species’ assembly have seldom been investigated. We explored these themes by surveying multiple headwaters over 3000 m of elevation in the Himalayan Mountains of India where specialist river birds reach their greatest diversity on Earth. After ordinating community composition, species traits and habitat character, we investigated whether river-bird traits varied with elevation in ways that were constrained or independent of phylogeny, hypothesising that trait patterns reflect environmental filtering. Community composition and trait representation varied strongly with elevation and river naturalness as species that foraged in the river/riparian ecotone gave way to small insectivores with obligate links to the river channel. These trends were influenced strongly by phylogeny as communities became more clustered by functional traits at higher elevation. Phylogenetic signals varied among traits, however, and were reflected in body mass, bill size and tarsus length more than in body size, tail length and breeding strategy. These variations imply that community assembly in high altitude river birds reflects a blend of phylogenetic constraint and habitat filtering coupled with some proximate niche-based moulding of trait character. We suggest that the regional co-existence of river birds in the Himalaya is facilitated by the same array of factors that together reflect the highly heterogeneous template of river habitats provided by these mountain headwaters.

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Elevation shapes biodiversity patterns through metacommunity-structuring processes

Cited by 16 publications

References 52 publications

Metacommunity Structures of Macroinvertebrates and Diatoms in High Mountain Streams, Yunnan, China

Metacommunity Structures of Macroinvertebrates and Diatoms in High Mountain Streams, Yunnan, China

Description of a new species of the genus Ameletus Eaton, 1885 (Ephemeroptera, Ameletidae) from Yunnan, China

Community assembly, functional traits and phylogeny in Himalayan river birds

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