Abstract
Soil invertebrate contributions to decomposition are climate dependent. Understanding the influence of abiotic factors on soil invertebrate population dynamics will strengthen predictions regarding ecosystem functioning under climate change. As well as being important secondary decomposers, mycophagous collembola exert a strong influence on the growth and activity of primary decomposers, particularly fungi. Species-specific grazing preferences for different fungi enable fungal community composition to influence the direct impacts of climate change on collembola populations. We investigate the interactive roles of altered abiotic conditions (warming, wetting and drying) and the identity of the dominant decomposer fungus in determining collembola community dynamics in woodland soil mesocosms. The bottom-up influence of the dominant component of the fungal resource base was an important mediator of the direct climatic impacts on collembola populations. The positive influences of warming and wetting, and the negative influence of drying, on collembola abundance and diversity were much less pronounced in fungal-inoculation treatments, in which populations were reduced compared with uninoculated mesocosms. We conclude that the thick, sclerotised cords of the competitively dominant decomposer fungi reduced the biomass of smaller, more palatable soil fungi, limiting the size of collembola populations and their ability to respond to altered abiotic conditions.
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References
A’Bear AD, Boddy L, Jones TH (2012) Impacts of elevated temperature on the growth and functioning of decomposer fungi are influenced by grazing Collembola. Glob Change Biol 18:1823–1832
A’Bear AD, Jones TH, Boddy L (2013) Potential impacts of climate change on interactions among saprotrophic cord-forming fungal mycelia and grazing soil invertebrates. Fungal Ecol doi:10.1016/j.funeco.2013.01.009
Alexander LV, Jones PD (2001) Updated precipitation series for the UK and discussion of recent extremes. Atmos Sci Lett 1:142–150
Blankinship JC, Niklaus PA, Hungate BA (2011) A meta-analysis of responses of soil biota to global change. Oecologia 165:553–565
Boddy L (1983) Microclimate and moisture dynamics of wood decomposing in terrestrial ecosystems. Soil Biol Biochem 15:149–157
Boddy L, Jones TH (2008) Interactions between basidiomycota and invertebrates. In: Boddy L, Frankland JC, van West P (eds) Ecology of saprotrophic basidiomycetes. Elsevier, London, pp 155–179
Clarke KR, Warwick RM (2001) Change in marine communities: an approach to statistical analysis and interpretation. PRIMER-E, Plymouth
Cox PM, Betts RA, Jones CD, Spall SA, Totterdell IJ (2000) Acceleration of global warming due to carbon-cycle feedbacks in a coupled climate model. Nature 408:184–187
Cragg RG, Bardgett RD (2001) How changes in soil faunal diversity and composition within a trophic group influence decomposition processes. Soil Biol Biochem 33:2073–2081
Crowther TW, Boddy L, Jones TH (2011) Grazing invertebrates determine fungal community composition and functioning. Ecol Lett 14:1134–1142
Crowther TW, Littleboy A, Jones TH, Boddy L (2012) Interactive effects of warming and invertebrate grazing determine the outcomes of competitive fungal interactions. FEMS Microbiol Ecol 18:419–426
Eisenhauer N, Sabais ACW, Scheu S (2011) Collembola species composition and diversity effects on ecosystem functioning vary with plant functional group identity. Soil Biol Biochem 43:1697–1704
Hattenschwiler S, Tiunov AV, Scheu S (2005) Biodiversity and litter decomposition in terrestrial ecosystems. Annu Rev Ecol Evol Syst 36:191–218
Hopkin SP (2007) A key to the Collembola (springtails) of Britain and Ireland. Field Studies Council, Taunton
Lawton JH (1995) Ecological experiments with model systems. Science 269:328–331
Lawton JH (1996) The ecotron facility at Silwood park: the value of “big bottle” experiments. Ecology 77:665–669
Peterson H, Luxton M (1982) A comparative analysis of soil faunal populations and their role in decomposition processes. Oikos 39:287–388
R Development Core Team (2010) R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna. URL: http://www.R-project.org
Wall DH, Bradford MA, St John MG, Trofymow JA, Behan-Pelletier V, Bignell DDE, Dangerfield JM, Parton WJ, Rusek J, Voigt W, Wolters V, Gardel HZ, Ayuke FO, Bashford R, Beljakova OI, Bohlen PJ, Brauman A, Flemming S, Henschel JR, Johnson DL, Jones TH, Kovarova M, Kranabetter JM, Kutny L, Lin KC, Maryati M, Masse D, Pokarzhevskii A, Rahman H, Sabara MG, Salamon JA, Swift MJ, Varela A, Vasconcelos HL, White D, Zou XM (2008) Global decomposition experiment shows soil animal impacts on decomposition are climate-dependent. Glob Change Biol 14:2661–2677
Wardle DA, Bardgett RD, Klironomos JN, Setala H, van der Putten WH, Wall DH (2004) Ecological linkages between aboveground and belowground biota. Science 304:1629–1633
Acknowledgments
We thank James Ryalls for assistance in the field. A. D. A. was funded by a Natural Environment Research Council studentship (NERC/I527861).
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Communicated by Volkmar Wolters.
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A’Bear, A.D., Boddy, L. & Jones, T.H. Bottom-up determination of soil collembola diversity and population dynamics in response to interactive climatic factors. Oecologia 173, 1083–1087 (2013). https://doi.org/10.1007/s00442-013-2662-3
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DOI: https://doi.org/10.1007/s00442-013-2662-3