Diversity and species identity effects on fine root productivity and turnover in a species-rich temperate broad-leaved forest

2014 | journal article

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​Diversity and species identity effects on fine root productivity and turnover in a species-rich temperate broad-leaved forest​
Jacob, A.; Hertel, D.   & Leuschner, C. ​ (2014) 
Functional Plant Biology41(7) pp. 678​-689​.​ DOI: https://doi.org/10.1071/FP13195 

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Authors
Jacob, Andreas; Hertel, Dietrich ; Leuschner, Christoph 
Abstract
We investigated the evidence of belowground overyielding in a species-rich temperate broad-leaved forest with an ingrowth core study in 100 plots containing five common tree species (beech, lime, maple, hornbeam, ash) in mono-specific and 2-species or 3-species combinations. This design allowed separating diversity and species identity effects on root dynamics in a mature forest with long continuity. Fine root productivity was not significantly different between mono-specific and 2- or 3-species plots, whereas fine root turnover was significantly higher in the mixed than the mono-specific plots. Species identity effects on root turnover and root productivity were important. Ash achieved in the mixtures the highest fine root productivity and root turnover of all species; it is an apparent key species in this forest. Evidence in support of a diversity effect on fine root productivity and turnover was weak, however.
Issue Date
2014
Journal
Functional Plant Biology 
Language
English

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