Combined effects of climate warming and plant diversity loss on above- and below-ground grassland productivity

Boeck, Hans J. De; Lemmens, C. M. H. M.; Gielen, Birgit; Bossuyt, Heleen; Malchair, Sandrine; Carnol, Monique; Merckx, Roel; Ceulemans, R.; Nijs, Ivan

doi:10.1016/j.envexpbot.2006.07.001

Cited by 72 publications

(56 citation statements)

References 35 publications

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“…As expected (De Boeck et al, 2007a), S effects were smallest in the first growing season, as plant-plant interactions generally grow stronger in time (van Ruijven and Berendse, 2005). The method of additive partitioning revealed that the increase in productivity from monocultures to multi-species communities could be attributed almost exclusively to complementarity effects, with selection effects small and mostly non-significant.…”

Section: Is Grassland Biomass Production Positively or Negatively Affmentioning

confidence: 80%

“…Watering was done in accordance with actual outside conditions, and was equal in both temperature treatments so that soil water content would be lower if warming increased evapotranspiration. Further information regarding the experimental set-up and watering regime can be found in De Boeck et al, 2006a and2007a. …”

Section: Study Site and Experimental Set-upmentioning

confidence: 99%

“…We postulate the following questions: (1) is grassland biomass production positively or negatively affected by warming, (2) is productivity higher in multi-species communities, and how important are complementarity and selection effects, and (3) are there interactions between the two global change factors under consideration? In an earlier study (De Boeck et al, 2007a), we reported on productivity in the same communities during the first four months following planting. The results suggested decreased productivity through warming, slightly increased productivity in multi-species systems, and hinted of interaction between the two treatments.…”

Section: Introductionmentioning

confidence: 99%

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Biomass production in experimental grasslands of different species richness during three years of climate warming

et al. 2008

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Abstract. Here we report on the single and combined impacts of climate warming and species richness on the biomass production in experimental grassland communities. Projections of a future warmer climate have stimulated studies on the response of terrestrial ecosystems to this global change. Experiments have likewise addressed the importance of species numbers for ecosystem functioning. There is, however, little knowledge on the interplay between warming and species richness. During three years, we grew experimental plant communities containing one, three or nine grassland species in 12 sunlit, climate-controlled chambers in Wilrijk, Belgium. Half of these chambers were exposed to ambient air temperatures (unheated), while the other half were warmed by 3 • C (heated). Equal amounts of water were added to heated and unheated communities, so that warming would imply drier soils if evapotranspiration was higher. Biomass production was decreased due to warming, both aboveground (-29%) and belowground (-25%), as negative impacts of increased heat and drought stress in summer prevailed. Complementarity effects, likely mostly through both increased aboveground spatial complementarity and facilitative effects of legumes, led to higher shoot and root biomass in multi-species communities, regardless of the induced warming. Surprisingly, warming suppressed productivity the most in 9-species communities, which may be attributed to negative impacts of intense interspecific competiCorrespondence to: H. J. De Boeck (hans.deboeck@ua.ac.be) tion for resources under conditions of high abiotic stress. Our results suggest that warming and the associated soil drying could reduce primary production in many temperate grasslands, and that this will not necessarily be mitigated by efforts to maintain or increase species richness.

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Section: Is Grassland Biomass Production Positively or Negatively Affmentioning

confidence: 80%

Section: Study Site and Experimental Set-upmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Biomass production in experimental grasslands of different species richness during three years of climate warming

et al. 2008

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“…Also, experiments in Germany by Assaf et al [66] suggest that biodiversity has a stronger effect on productivity in unmanaged than in managed grasslands. De Boeck et al [67] found by experiment that warming may increase the detrimental effect of species loss on grassland productivity in temperate climates. Soussana & Lüscher [68] reviewed literature showing that elevated CO 2 is likely to benefit legumes and forbes more than grasses.…”

Section: Data and Inferences From Experimental And Observational Studiesmentioning

confidence: 99%

Effects of Climate Change on Grassland Biodiversity and Productivity: The Need for a Diversity of Models

Oijen

Bellocchi

Höglind

2017

Preprint

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There is increasing evidence that the impact of climate change on the productivity of grasslands will at least partly depend on their biodiversity. A high level of biodiversity may confer stability to grassland ecosystems against environmental change, but there are also direct effects of biodiversity on the quantity and quality of grassland productivity. To explain the manifold interactions, and to predict future climatic responses, models may be used. However, models designed for studying the interaction between biodiversity and productivity tend to be structurally different from models for studying the effects of climatic impacts. Here we review the literature on the impacts of climate change on biodiversity and productivity of grasslands. We first discuss the availability of data for model development. Then we analyse strengths and weaknesses of three types of model: ecological, process-based and integrated. We discuss the merits of this model diversity and the scope for merging different model types.

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“…Logically, a scientific hypothesis behind such a premise is that vegetation health is a function of the nutrient and water content contained within the soil (De Boeck et al 2007). The research question that this study aims to answer is: Does a relationship exist between canopy-level, foliar spectra of Eucalyptus grandis and soil carbon content in the Highlands estate in Richmond area of KwaZulu-Natal, South Africa?…”

Section: Introductionmentioning

confidence: 99%

Soil carbon estimation from <i>eucalyptus grandis</i> using canopy spectra

Mzinyane¹,

Aardt²,

Gebreslasie³

2015

SA J of Geomatics

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Combined effects of climate warming and plant diversity loss on above- and below-ground grassland productivity

Cited by 72 publications

References 35 publications

Biomass production in experimental grasslands of different species richness during three years of climate warming

Biomass production in experimental grasslands of different species richness during three years of climate warming

Effects of Climate Change on Grassland Biodiversity and Productivity: The Need for a Diversity of Models

Soil carbon estimation from <i>eucalyptus grandis</i> using canopy spectra

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