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Partitioning spatial, environmental, and community drivers of ecosystem functioning

Truchy, Amélie and Göthe, Emma and Angeler, David and Ecke, Frauke and Sponseller, Ryan and Bundschuh, Mirco and Johnson, Richard and Mckie, Brendan (2019). Partitioning spatial, environmental, and community drivers of ecosystem functioning. Landscape Ecology. 34 , 2371–2384
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Abstract

Context: Community composition, environmental variation, and spatial structuring can influence ecosystem functioning, and ecosystem service delivery. While the role of space in regulating ecosystem functioning is well recognised in theory, it is rarely considered explicitly in empirical studies.
Objectives: We evaluated the role of spatial structuring within and between regions in explaining the functioning of 36 reference and human-impacted streams.
Methods: We gathered information on regional and local environmental variables, communities (taxonomy and traits), and used variance partitioning analysis to explain seven indicators of ecosystem functioning.
Results: Variation in functional indicators was explained not only by environmental variables and community composition, but also by geographic position, with sometimes high joint variation among the explanatory factors. This suggests spatial structuring in ecosystem functioning beyond that attributable to species sorting along environmental gradients. Spatial structuring at the within-region scale potentially arose from movements of species and materials among habitat patches. Spatial structuring at the between-region scale was more pervasive, occurring both in analyses of individual ecosystem processes and of the full functional matrix, and is likely to partly reflect phenotypic variation in the traits of functionally important species. Characterising communities by their traits rather than taxonomy did not increase the total variation explained, but did allow for a better discrimination of the role of space.
Conclusions: These results demonstrate the value of accounting for the role of spatial structuring to increase explanatory power in studies of ecosystem processes, and underpin more robust management of the ecosystem services supported by those processes.

Authors/Creators:Truchy, Amélie and Göthe, Emma and Angeler, David and Ecke, Frauke and Sponseller, Ryan and Bundschuh, Mirco and Johnson, Richard and Mckie, Brendan
Title:Partitioning spatial, environmental, and community drivers of ecosystem functioning
Year of publishing :2019
Volume:34
Page range:2371–2384
Number of Pages:14
Publisher:Springer
ISSN:0921-2973
Language:English
Publication Type:Journal article
Refereed:Yes
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
Keywords:Spatial structuring, Community ecology, Ecosystem processes, Species traits, Variance partitioning
URN:NBN:urn:nbn:se:slu:epsilon-p-101808
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-101808
Additional ID:
Type of IDID
DOI10.1007/s10980-019-00894-9
ID Code:16387
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
S - Faculty of Forest Sciences
Department:(NL, NJ) > Dept. of Aquatic Sciences and Assessment
(S) > Dept. of Wildlife, Fish and Environmental Studies
Deposited By: SLUpub Connector
Deposited On:11 Nov 2019 08:16
Metadata Last Modified:11 Nov 2019 08:16

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