Functional diversity and community assembly of river invertebrates show globally consistent responses to decreasing glacier cover

Lee Brown, Kieran Khamis, Martin Wilkes, Phillip Blaen, John Brittain, Jonathan L Carrivick, Sarah Fell, Nikolai Friberg, Leopold Füreder, Gisli M. Gislason, Sarah Hainie, David M. Hannah, William, H James, Valeria Lencioni, Jon S. Olafsson, Christopher Robinson, Svein J. Saltveit, Craig Thompson, Alexander Milner

Research output: Contribution to journalArticle

17 Citations (Scopus)
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Abstract

Global change threatens invertebrate biodiversity and its central role in numerous ecosystem functions and services. Functional trait analyses have been advocated to uncover global mechanisms behind biodiversity responses to environmental change, but the application of this approach for invertebrates is underdeveloped relative to other organism groups. From an evaluation of 363 records comprising >1.23 million invertebrates collected from rivers across nine biogeographic regions on three continents, consistent responses of community trait composition and diversity to replicated gradients of reduced glacier cover are demonstrated. After accounting for a systematic regional effect of latitude, the processes shaping river invertebrate functional diversity are globally consistent. Analyses nested within individual regions identified an increase in functional diversity as glacier cover decreases. Community assembly models demonstrated that dispersal limitation was the dominant process underlying these patterns, although environmental filtering also was evident in highly glacierized basins. These findings indicate that predictable mechanisms govern river invertebrate community responses to decreasing glacier cover globally.
Original languageEnglish
Pages (from-to)325-333
Number of pages9
JournalNature Ecology and Evolution
Volume2
DOIs
Publication statusPublished - 18 Dec 2017

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glacier
invertebrate
river
biodiversity
community response
ecosystem function
ecosystem service
global change
environmental change
basin

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Functional diversity and community assembly of river invertebrates show globally consistent responses to decreasing glacier cover. / Brown, Lee; Khamis, Kieran; Wilkes, Martin; Blaen, Phillip; Brittain, John; Carrivick, Jonathan L; Fell, Sarah ; Friberg, Nikolai; Füreder, Leopold; Gislason, Gisli M.; Hainie, Sarah; Hannah, David M.; James, William, H; Lencioni, Valeria ; Olafsson, Jon S. ; Robinson, Christopher; Saltveit, Svein J.; Thompson, Craig; Milner, Alexander.

In: Nature Ecology and Evolution, Vol. 2, 18.12.2017, p. 325-333.

Research output: Contribution to journalArticle

Brown, L, Khamis, K, Wilkes, M, Blaen, P, Brittain, J, Carrivick, JL, Fell, S, Friberg, N, Füreder, L, Gislason, GM, Hainie, S, Hannah, DM, James, WH, Lencioni, V, Olafsson, JS, Robinson, C, Saltveit, SJ, Thompson, C & Milner, A 2017, 'Functional diversity and community assembly of river invertebrates show globally consistent responses to decreasing glacier cover' Nature Ecology and Evolution, vol. 2, pp. 325-333. https://doi.org/10.1038/s41559-017-0426-x
Brown, Lee ; Khamis, Kieran ; Wilkes, Martin ; Blaen, Phillip ; Brittain, John ; Carrivick, Jonathan L ; Fell, Sarah ; Friberg, Nikolai ; Füreder, Leopold ; Gislason, Gisli M. ; Hainie, Sarah ; Hannah, David M. ; James, William, H ; Lencioni, Valeria ; Olafsson, Jon S. ; Robinson, Christopher ; Saltveit, Svein J. ; Thompson, Craig ; Milner, Alexander. / Functional diversity and community assembly of river invertebrates show globally consistent responses to decreasing glacier cover. In: Nature Ecology and Evolution. 2017 ; Vol. 2. pp. 325-333.
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