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@article{Cantwell-Jones:2023:10.1111/1365-2435.14253,
author = {Cantwell-Jones, A and Larson, K and Ward, A and Bates, OK and Cox, T and Gibbons, C and Richardson, R and Al-Hayali, AMR and Svedin, J and Aronsson, M and Brannlund, F and Tylianakis, JM and Johansson, J and Gill, RJ},
doi = {10.1111/1365-2435.14253},
journal = {Functional Ecology},
pages = {748--762},
title = {Mapping trait versus species turnover reveals spatiotemporal variation in functional redundancy and network robustness in a plant-pollinator community},
url = {http://dx.doi.org/10.1111/1365-2435.14253},
volume = {37},
year = {2023}
}

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TY  - JOUR
AB  - Functional overlap among species (redundancy) is considered important in shaping competitive and mutualistic interactions that determine how communities respond to environmental change. Most studies view functional redundancy as static, yet traits within species—which ultimately shape functional redundancy—can vary over seasonal or spatial gradients. We therefore have limited understanding of how trait turnover within and between species could lead to changes in functional redundancy or how loss of traits could differentially impact mutualistic interactions depending on where and when the interactions occur in space and time.    Using an Arctic bumblebee community as a case study, and 1277 individual measures from 14 species over three annual seasons, we quantified how inter- and intraspecific body-size turnover compared to species turnover with elevation and over the season. Coupling every individual and their trait with a plant visitation, we investigated how grouping individuals by a morphological trait or by species identity altered our assessment of network structure and how this differed in space and time. Finally, we tested how the sensitivity of the network in space and time differed when simulating extinction of nodes representing either morphological trait similarity or traditional species groups. This allowed us to explore the degree to which trait-based groups increase or decrease interaction redundancy relative to species-based nodes.    We found that (i) groups of taxonomically and morphologically similar bees turn over in space and time independently from each other, with trait turnover being larger over the season; (ii) networks composed of nodes representing species versus morphologically similar bees were structured differently; and (iii) simulated loss of bee trait groups caused faster coextinction of bumblebee species and flowering plants than when bee taxonomic groups were lost. Crucially, the magnitude of these effects varied in spa
AU  - Cantwell-Jones,A
AU  - Larson,K
AU  - Ward,A
AU  - Bates,OK
AU  - Cox,T
AU  - Gibbons,C
AU  - Richardson,R
AU  - Al-Hayali,AMR
AU  - Svedin,J
AU  - Aronsson,M
AU  - Brannlund,F
AU  - Tylianakis,JM
AU  - Johansson,J
AU  - Gill,RJ
DO  - 10.1111/1365-2435.14253
EP  - 762
PY  - 2023///
SN  - 0269-8463
SP  - 748
TI  - Mapping trait versus species turnover reveals spatiotemporal variation in functional redundancy and network robustness in a plant-pollinator community
T2  - Functional Ecology
UR  - http://dx.doi.org/10.1111/1365-2435.14253
UR  - http://hdl.handle.net/10044/1/102137
VL  - 37
ER  -

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