Plant resource-use characteristics as predictors for species contribution to community biomass in experimental grasslands

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Plant resource-use characteristics as predictors for species contribution to community biomass in experimental grasslands. / Roscher, Christiane; Scherer-Lorenzen, Michael; Schumacher, Jens et al.
In: Perspectives in Plant Ecology, Evolution and Systematics, Vol. 13, No. 1, 20.03.2011, p. 1-13.

Research output: Journal contributionsJournal articlesResearchpeer-review

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Roscher C, Scherer-Lorenzen M, Schumacher J, Temperton VM, Buchmann N, Schulze ED. Plant resource-use characteristics as predictors for species contribution to community biomass in experimental grasslands. Perspectives in Plant Ecology, Evolution and Systematics. 2011 Mar 20;13(1):1-13. doi: 10.1016/j.ppees.2010.11.001

Bibtex

@article{2225c7f0ad064e5aaede7b593cea69d0,
title = "Plant resource-use characteristics as predictors for species contribution to community biomass in experimental grasslands",
abstract = "Increasing productivity of mixtures as compared to monocultures has been reported from numerous experimental studies, but so far the variable contribution of individual species to higher mixture productivity in biodiversity experiments is not well understood. To address this issue, we quantified the productivity of 60 species in monocultures and mixtures of varying species richness (2, 4, 8, 16, 60) and functional group number and composition (1, 2, 3, 4; legumes, grasses, small herbs, tall herbs) and tested how species properties are related to species performance in mixtures in the third year after sowing. We analysed monoculture biomass, plant biomass from separately grown plant individuals (=estimate of plant growth rates), and the monoculture resource-use characteristics canopy height and structure (leaf area index) as indicators for light acquisition, and soil nitrate concentration (=estimate of depletion of plant available nitrogen) and biomass:N ratios (=estimate of biomass produced per unit plant N) as indicators for nitrogen acquisition and use. High monoculture productivity was related to different combinations of resource-use characteristics. The biomass of a species and its proportional contribution to mixture biomass correlated positively with species relative yields, suggesting that highly productive mixture species were most important for an overyielding of mixtures. Although monoculture biomass was a significant predictor for species performance in mixtures except for grasses, a combination of monoculture biomass, plant growth rates and resource-use traits associated with nutrient and light acquisition explained non-legume species performance best. Legume performance was best associated with their monoculture biomass and traits associated with light acquisition. In spite of the fact that high species performance in mixtures was associated with a species' competitive ability as represented by monoculture productivity, growth rates and resource-use traits, our results suggest that species uniqueness in resource acquisition strategies increases the chance for niche differentiation among overyielding species.",
keywords = "Biomass:N ratio, Light interception, Plant height, Productivity, Relative yield, Soil nitrate depletion, Biology, Ecosystems Research",
author = "Christiane Roscher and Michael Scherer-Lorenzen and Jens Schumacher and Temperton, {Vicky M.} and Nina Buchmann and Schulze, {Ernst Detlef}",
year = "2011",
month = mar,
day = "20",
doi = "10.1016/j.ppees.2010.11.001",
language = "English",
volume = "13",
pages = "1--13",
journal = "Perspectives in Plant Ecology, Evolution and Systematics",
issn = "1433-8319",
publisher = "Elsevier GmbH",
number = "1",

}

RIS

TY - JOUR

T1 - Plant resource-use characteristics as predictors for species contribution to community biomass in experimental grasslands

AU - Roscher, Christiane

AU - Scherer-Lorenzen, Michael

AU - Schumacher, Jens

AU - Temperton, Vicky M.

AU - Buchmann, Nina

AU - Schulze, Ernst Detlef

PY - 2011/3/20

Y1 - 2011/3/20

N2 - Increasing productivity of mixtures as compared to monocultures has been reported from numerous experimental studies, but so far the variable contribution of individual species to higher mixture productivity in biodiversity experiments is not well understood. To address this issue, we quantified the productivity of 60 species in monocultures and mixtures of varying species richness (2, 4, 8, 16, 60) and functional group number and composition (1, 2, 3, 4; legumes, grasses, small herbs, tall herbs) and tested how species properties are related to species performance in mixtures in the third year after sowing. We analysed monoculture biomass, plant biomass from separately grown plant individuals (=estimate of plant growth rates), and the monoculture resource-use characteristics canopy height and structure (leaf area index) as indicators for light acquisition, and soil nitrate concentration (=estimate of depletion of plant available nitrogen) and biomass:N ratios (=estimate of biomass produced per unit plant N) as indicators for nitrogen acquisition and use. High monoculture productivity was related to different combinations of resource-use characteristics. The biomass of a species and its proportional contribution to mixture biomass correlated positively with species relative yields, suggesting that highly productive mixture species were most important for an overyielding of mixtures. Although monoculture biomass was a significant predictor for species performance in mixtures except for grasses, a combination of monoculture biomass, plant growth rates and resource-use traits associated with nutrient and light acquisition explained non-legume species performance best. Legume performance was best associated with their monoculture biomass and traits associated with light acquisition. In spite of the fact that high species performance in mixtures was associated with a species' competitive ability as represented by monoculture productivity, growth rates and resource-use traits, our results suggest that species uniqueness in resource acquisition strategies increases the chance for niche differentiation among overyielding species.

AB - Increasing productivity of mixtures as compared to monocultures has been reported from numerous experimental studies, but so far the variable contribution of individual species to higher mixture productivity in biodiversity experiments is not well understood. To address this issue, we quantified the productivity of 60 species in monocultures and mixtures of varying species richness (2, 4, 8, 16, 60) and functional group number and composition (1, 2, 3, 4; legumes, grasses, small herbs, tall herbs) and tested how species properties are related to species performance in mixtures in the third year after sowing. We analysed monoculture biomass, plant biomass from separately grown plant individuals (=estimate of plant growth rates), and the monoculture resource-use characteristics canopy height and structure (leaf area index) as indicators for light acquisition, and soil nitrate concentration (=estimate of depletion of plant available nitrogen) and biomass:N ratios (=estimate of biomass produced per unit plant N) as indicators for nitrogen acquisition and use. High monoculture productivity was related to different combinations of resource-use characteristics. The biomass of a species and its proportional contribution to mixture biomass correlated positively with species relative yields, suggesting that highly productive mixture species were most important for an overyielding of mixtures. Although monoculture biomass was a significant predictor for species performance in mixtures except for grasses, a combination of monoculture biomass, plant growth rates and resource-use traits associated with nutrient and light acquisition explained non-legume species performance best. Legume performance was best associated with their monoculture biomass and traits associated with light acquisition. In spite of the fact that high species performance in mixtures was associated with a species' competitive ability as represented by monoculture productivity, growth rates and resource-use traits, our results suggest that species uniqueness in resource acquisition strategies increases the chance for niche differentiation among overyielding species.

KW - Biomass:N ratio

KW - Light interception

KW - Plant height

KW - Productivity

KW - Relative yield

KW - Soil nitrate depletion

KW - Biology

KW - Ecosystems Research

UR - http://www.scopus.com/inward/record.url?scp=79952618293&partnerID=8YFLogxK

U2 - 10.1016/j.ppees.2010.11.001

DO - 10.1016/j.ppees.2010.11.001

M3 - Journal articles

AN - SCOPUS:79952618293

VL - 13

SP - 1

EP - 13

JO - Perspectives in Plant Ecology, Evolution and Systematics

JF - Perspectives in Plant Ecology, Evolution and Systematics

SN - 1433-8319

IS - 1

ER -

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