Climate history shapes contemporary leaf litter decomposition

Verfasser / Beitragende:
[Michael Strickland, Ashley Keiser, Mark Bradford]
Ort, Verlag, Jahr:
2015
Enthalten in:
Biogeochemistry, 122/2-3(2015-02-01), 165-174
Format:
Artikel (online)
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024 7 0 |a 10.1007/s10533-014-0065-0  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s10533-014-0065-0 
245 0 0 |a Climate history shapes contemporary leaf litter decomposition  |h [Elektronische Daten]  |c [Michael Strickland, Ashley Keiser, Mark Bradford] 
520 3 |a Litter decomposition is mediated by multiple variables, of which climate is expected to be a dominant factor at global scales. However, like other organisms, traits of decomposers and their communities are shaped not just by the contemporary climate but also their climate history. Whether or not this affects decomposition rates is underexplored. Here we source decomposer communities from three forest sites contrasting in climate (tropical, temperate, boreal), and, using experimental microcosms, quantify decomposition of a common litter under a factorial combination of four temperature (15, 20, 25, and 30°C) and five moisture regimes (35, 55, 70, 85, and 100% water holding capacity). We find that the climate history of the decomposer community is an important determinant of litter decomposition, explaining the same amount of variance in decomposition as both temperature and moisture. Further, climate history also shapes the effect of contemporary climate (i.e. experimental) on decomposition, both in terms of the magnitude of decomposition under optimal conditions and the range of abiotic conditions at which high decomposition rates are maintained. For example, at optimal conditions (i.e. 25°C/70% WHC) the tropical site has a greater decomposition rate than the other two sites. However, the temperate and boreal sites have greater ‘niche breadth', where decomposition rates are more sustained (i.e. decrease less) as temperature and moisture deviate further from the optimum. Our data suggest that climate history shapes the functional response of the soil decomposer community, as it does for animals and plants. Yet how this shaping affects decomposition rates across regional and global climate gradients, and how such relationships are applied to temporal predictions, remain unanswered questions. 
540 |a Springer International Publishing Switzerland, 2015 
690 7 |a Carbon mineralization  |2 nationallicence 
690 7 |a Climate  |2 nationallicence 
690 7 |a Forests  |2 nationallicence 
690 7 |a Litter decomposition  |2 nationallicence 
690 7 |a Niche breadth  |2 nationallicence 
690 7 |a Niche optima  |2 nationallicence 
700 1 |a Strickland  |D Michael  |u Department of Biological Sciences, Virginia Polytechnic Institute and State University, 24060, Blacksburg, VA, USA  |4 aut 
700 1 |a Keiser  |D Ashley  |u Department of Ecology, Evolution, and Organismal Biology, Iowa State University, 50011, Ames, IA, USA  |4 aut 
700 1 |a Bradford  |D Mark  |u School of Forestry and Environmental Studies, Yale University, 06511, New Haven, CT, USA  |4 aut 
773 0 |t Biogeochemistry  |d Springer International Publishing  |g 122/2-3(2015-02-01), 165-174  |x 0168-2563  |q 122:2-3<165  |1 2015  |2 122  |o 10533 
856 4 0 |u https://doi.org/10.1007/s10533-014-0065-0  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a review-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s10533-014-0065-0  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Strickland  |D Michael  |u Department of Biological Sciences, Virginia Polytechnic Institute and State University, 24060, Blacksburg, VA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Keiser  |D Ashley  |u Department of Ecology, Evolution, and Organismal Biology, Iowa State University, 50011, Ames, IA, USA  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Bradford  |D Mark  |u School of Forestry and Environmental Studies, Yale University, 06511, New Haven, CT, USA  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Biogeochemistry  |d Springer International Publishing  |g 122/2-3(2015-02-01), 165-174  |x 0168-2563  |q 122:2-3<165  |1 2015  |2 122  |o 10533