Positive Feedback on Climate Warming by Stream Microbial Decomposers Indicated by a Global Space‐For‐Time Substitution Study

Author:

Pérez Javier12ORCID,Boyero Luz13ORCID,Pearson Richard G.4ORCID,Gessner Mark O.56ORCID,Tonin Alan7ORCID,López‐Rojo Naiara189ORCID,Rubio‐Ríos Juan2ORCID,Correa‐Araneda Francisco10ORCID,Alonso Alberto1ORCID,Cornejo Aydeé1112ORCID,Albariño Ricardo J.13,Anbalagan Sankarappan14,Barmuta Leon A.15,Boulton Andrew J.16,Burdon Francis J.17,Caliman Adriano18,Callisto Marcos19,Campbell Ian C.20,Cardinale Bradley J.21,Carneiro Luciana S.18,Casas J. Jesús2,Chará‐Serna Ana M.2223,Chauvet Eric24,Colón‐Gaud Checo25,Davis Aaron M.4,de Eyto Elvira26,Degebrodt Monika5,Díaz María E.27,Douglas Michael M.28,Encalada Andrea C.29,Figueroa Ricardo30,Flecker Alexander S.31,Fleituch Tadeusz32,Frainer André3334,García Erica A.35,García Gabriela11,García Pavel E.3637,Giller Paul S.38,Gómez Jesús E.39,Gonçalves Jose F.40,Graça Manuel A. S.41,Hall Robert O.42,Hamada Neusa43,Hepp Luiz U.44,Hui Cang4546,Imazawa Daichi47,Iwata Tomoya48,Junior Edson S. A.49,Landeira‐Dabarca Andrea2041,Leal María50,Lehosmaa Kaisa51,M'Erimba Charles M.52,Marchant Richard53,Martins Renato T.43,Masese Frank O.54,Maul Megan21,McKie Brendan G.17,Medeiros Adriana O.49,Middleton Jen A.28,Muotka Timo51,Negishi Junjiro N.55,Ramírez Alonso56,Rezende Renan S.57,Richardson John S.58,Rincón José50,Serrano Claudia29,Shaffer Angela R.25,Sheldon Fran59,Swan Christopher M.60,Tenkiano Nathalie S. D.61,Tiegs Scott D.62,Tolod Janine R.63,Vernasky Michael59,Wanderi Elizabeth W.54,Watson Anne15,Yule Catherine M.64

Affiliation:

1. Department of Plant Biology and Ecology, Faculty of Science and Technology University of Basque Country (UPV/EHU) Leioa Spain

2. Department of Biology and Geology and Andalusian Center ENGLOBA University of Almería (UAL) Almería Spain

3. Basque Foundation for Science IKERBASQUE Bilbao Spain

4. Centre for Tropical Water and Aquatic Ecosystem Research (TropWATER) James Cook University Townsville Queensland Australia

5. Department of Plankton and Microbial Ecology Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) Stechlin Germany

6. Department of Ecology Berlin Institute of Technology (TU Berlin) Berlin Germany

7. Department of Ecology, Institute of Biology University of Brasília (UnB) Brasilia Brazil

8. RiverLy Research Unit, National Institute for Agriculture, Food, and Environment (INRAE) CenterLyon‐Grenoble Auvergne‐Rhône‐Alpes Villeurbanne France

9. Laboratoire d'Ecologie Alpine Université Grenoble Alpes, Université Savoie Mt‐Blanc, CNRS, LECA Grenoble France

10. Unidad de Cambio Climático y Medio Ambiente (UCCMA), Instituto Iberoamericano de Desarrollo Sostenible (IIDS) Universidad Autónoma de Chile Temuco Chile

11. Ecology and Aquatic Ecotoxicology Laboratory, Research Center for Emerging and Zoonotic Diseases Gorgas Memorial Institute of Health Studies Divisa Panama

12. National Research System of Panama Panama

13. INIBIOMA (Universidad Nacional del Comahue—CONICET) Bariloche Argentina

14. Government Arts College Madurai India

15. Biological Sciences, School of Natural Sciences University of Tasmania Hobart Tasmania Australia

16. School of Environmental and Rural Science, University of New England Armidale New South Wales Australia

17. Department of Aquatic Sciences & Assessment Swedish University of Agricultural Sciences Uppsala Sweden

18. Department of Ecology Federal University of Rio Grande do Norte Natal Brazil

19. Laboratório de Ecologia de Bentos, Departamento de Genética, Ecologia e Evolução, Instituto de Ciências Biológicas Universidade Federal de Minas Gerais Belo Horizonte Brazil

20. Rhithroecology Blackburn South Victoria Australia

21. Department of Ecosystem Science and Management Penn State University University Park Pennsylvania USA

22. Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria (CIPAV) Cali Colombia

23. Illinois River Biological Station, Illinois Natural History Survey Division of the Prairie Research Institute at the University of Illinois Urbana‐Champaign Havana Illinois USA

24. Laboratoire écologie fonctionnelle et environnement Université de Toulouse CNRS Toulouse France

25. Department of Biology Georgia Southern University Statesboro Georgia USA

26. Marine Institute Newport Ireland

27. Centro de Recursos Hídricos para la Agricultura y la Minería (ANID/FONDAP/1523A0001) Universidad de Concepción Concepción Chile

28. School of Biological Sciences The University of Western Australia Crawley Western Australia Australia

29. Instituto BIOSFERA, Colegio de Ciencias Biológicas y Ambientales Universidad San Francisco de Quito Quito Ecuador

30. Facultad de Ciencias Ambientales y Centro EULA‐Chile Universidad de Concepción Concepción Chile

31. Department of Ecology & Evolutionary Biology Cornell University Ithaca New York USA

32. Institute of Nature Conservation, Polish Academy of Sciences Kraków Poland

33. Norwegian Institute for Nature Research (NINA) Fram Centre Tromsø Norway

34. Faculty of Biosciences, Fisheries and Economics UiT The Arctic University of Norway Tromsø Norway

35. Research Institute for the Environment and Livelihoods, Charles Darwin University Casuarina Northern Territory of Australia Australia

36. Escuela de Biología Universidad de San Carlos de Guatemala Guatemala

37. Organismal Biology, Ecology and Evolution Program (OBEE) at the University of Montana Missoula Montana USA

38. School of Biological, Earth and Environmental Sciences, University College Cork, National University of Ireland Dublin Ireland

39. Departamento de Ciencias Agroambientales Universidad de Puerto Rico Recinto de Mayagüez Puerto Rico

40. Departamento de Ecologia‐IB, Universidade de Brasília Brasilia Brazil

41. Department of Life Sciences & MARE‐ Marine and Environmental Sciences Centre University of Coimbra Coimbra Portugal

42. Flathead Lake Biological Station University of Montana Missoula Montana USA

43. Instituto Nacional de Pesquisas da Amazônia–INPA Coordenação de Biodiversidade–COBIO Manaus Brazil

44. Laboratório de Indicadores Ambientais Universidade Federal de Mato Grosso do Sul Três Lagoas Brazil

45. Department of Mathematical Sciences, Centre for Invasion Biology Stellenbosch University Stellenbosch South Africa

46. National Institute for Theoretical and Computational Sciences (NITheCS) African Institute for Mathematical Sciences Cape Town South Africa

47. Integrated Graduate School of Medicine, Engineering, and Agricultural Sciences University of Yamanashi Yamanashi Japan

48. Faculty of Life and Environmental Sciences University of Yamanashi Yamanashi Japan

49. Laboratório de Microbiologia Ambiental, Instituto de Biologia Universidade Federal da Bahia Salvador Brazil

50. Laboratorio de Contaminación Acuática y Ecología Fluvial, Departamento de Biología, Facultad Experimental de Ciencias Universidad del Zulia Maracaibo Venezuela

51. Department of Ecology and Genetics, University of Oulu Oulu Finland

52. Egerton University Egerton Kenya

53. Museums Victoria Research Institute Melbourne Victoria Australia

54. Department of Fisheries & Aquatic Science University of Eldoret Eldoret Kenya

55. Faculty of Environmental Earth Science Hokkaido University Sapporo Japan

56. Department of Applied Ecology North Carolina State University Raleigh North Carolina USA

57. Program of Postgraduate in Environmental Science Communitarian University of Chapecó Region Chapecó Brazil

58. Department of Forest and Conservation Sciences University of British Columbia Vancouver British Columbia Canada

59. Australian Rivers Institute, Griffith University Nathan Queensland Australia

60. Department of Geography & Environmental Systems University of Maryland Baltimore Maryland USA

61. Université Julius N'Yerere de Kankan Kankan Guinea

62. Department of Biological Sciences Oakland University Rochester Michigan USA

63. Graduate School of Environmental Science, Hokkaido University Sapporo Hokkaido Japan

64. School of Science, Technology and Engineering, University of the Sunshine Coast Sippy Downs Queensland Australia

Abstract

ABSTRACTDecomposition of plant litter is a key ecological process in streams, whose contribution to the global carbon cycle is large relative to their extent on Earth. We examined the mechanisms underlying the temperature sensitivity (TS) of instream decomposition and forecast effects of climate warming on this process. Comparing data from 41 globally distributed sites, we assessed the TS of microbial and total decomposition using litter of nine plant species combined in six mixtures. Microbial decomposition conformed to the metabolic theory of ecology and its TS was consistently higher than that of total decomposition, which was higher than found previously. Litter quality influenced the difference between microbial and total decomposition, with total decomposition of more recalcitrant litter being more sensitive to temperature. Our projections suggest that (i) warming will enhance the microbial contribution to decomposition, increasing CO2 outgassing and intensifying the warming trend, especially in colder regions; and (ii) riparian species composition will have a major influence on this process.

Funder

Eusko Jaurlaritza

Publisher

Wiley

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