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Latitude dictates plant diversity effects on instream decomposition


Boyero, L and Perez, J and Lopez-Rojo, N and Tonin, AM and Correa-Araneda, F and Pearson, RG and Bosch, J and Albarino, RJ and Anbalagan, S and Barmuta, LA and Beesley, L and Burdon, FJ and Caliman, A and Callisto, M and Campbell, IC and Cardinale, BJ and Jesus Casas, J and Chara-Serna, AM and Ciapala, S and Chauvet, E and Colon-Gaud, C and Cornejo, A and Davis, AM and Degebrodt, M and Dias, ES and Diaz, ME and Douglas, MM and Elosegi, A and Encalada, AC and De Eyto, E and Figueroa, R and Flecker, AS and Fleituch, T and Frainer, A and Franca, JS and Garcia, EA and Garcia, G and Garcia, P and Gessner, MO and Giller, PS and Gomez, JE and Gomez, S and Goncalves, JF and Graca, MAS and Hall, RO and Hamada, N and Hepp, LU and Hui, C and Imazawa, D and Iwata, T and Junior, ESA and Kariuki, S and Landeira-Dabarca, A and Leal, M and Lehosmaa, K and M'Erimba, C and Marchant, R and Martins, RT and Masese, FO and Camden, M and McKie, BG and Medeiros, AO and Middleton, JA and Muotka, T and Negishi, JN and Pozo, J and Ramirez, A and Rezende, RS and Richardson, JS and Rincon, J and Rubio-Rios, J and Serrano, C and Shaffer, AR and Sheldon, F and Swan, CM and Tenkiano, NSD and Tiegs, SD and Tolod, JR and Vernasky, M and Watson, A and Yegon, MJ and Yule, CM, Latitude dictates plant diversity effects on instream decomposition, Science Advances, 7, (13) Article eabe7860. ISSN 2375-2548 (2021) [Refereed Article]


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Copyright 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S.Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC)

DOI: doi:10.1126/sciadv.abe7860


Running waters contribute substantially to global carbon fluxes through decomposition of terrestrial plant litter by aquatic microorganisms and detritivores. Diversity of this litter may influence instream decomposition globally in ways that are not yet understood. We investigated latitudinal differences in decomposition of litter mixtures of low and high functional diversity in 40 streams on 6 continents and spanning 113 of latitude. Despite important variability in our dataset, we found latitudinal differences in the effect of litter functional diversity on decomposition, which we explained as evolutionary adaptations of litter-consuming detritivores to resource availability. Specifically, a balanced diet effect appears to operate at lower latitudes versus a resource concentration effect at higher latitudes. The latitudinal pattern indicates that loss of plant functional diversity will have different consequences on carbon fluxes across the globe, with greater repercussions likely at low latitudes.

Item Details

Item Type:Refereed Article
Keywords:freshwater, carbon flux, decomposition, diversity, macroinvertebrates
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Freshwater ecology
Objective Division:Environmental Management
Objective Group:Fresh, ground and surface water systems and management
Objective Field:Fresh, ground and surface water systems and management not elsewhere classified
UTAS Author:Barmuta, LA (Associate Professor Leon Barmuta)
UTAS Author:Watson, A (Dr Anne Watson)
ID Code:145034
Year Published:2021
Web of Science® Times Cited:22
Deposited By:Zoology
Deposited On:2021-06-25
Last Modified:2022-08-19
Downloads:10 View Download Statistics

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