Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/gcb.13662 |
Effects of extreme drought on specific leaf area of grassland species: A meta-analysis of experimental studies in temperate and sub-Mediterranean systems | |
Wellstein, Camilla1; Poschlod, Peter2; Gohlke, Andreas3; Chelli, Stefano4; Campetella, Giandiego4; Rosbakh, Sergey2; Canullo, Roberto4; Kreyling, Juergen5; Jentsch, Anke6; Beierkuhnlein, Carl3 | |
2017-06-01 | |
发表期刊 | GLOBAL CHANGE BIOLOGY
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ISSN | 1354-1013 |
EISSN | 1365-2486 |
出版年 | 2017 |
卷号 | 23期号:6 |
文章类型 | Article |
语种 | 英语 |
国家 | Italy; Germany |
英文摘要 | Here, we conducted a meta-analysis of experimental drought manipulation studies using rainout shelters in five sites of natural grassland ecosystems of Europe. The single studies assess the effects of extreme drought on the intraspecific variation of the specific leaf area (SLA), a proxy of plant growth. We evaluate and compare the effect size of the SLA response for the functional groups of forbs and grasses in temperate and sub-Mediterranean systems. We hypothesized that the functional groups of grasses and forbs from temperate grassland systems have different strategies in short-term drought response, measured as adjustment of SLA, with SLA-reduction in grasses and SLA-maintenance in forbs. Second, we hypothesized that grasses and forbs from sub-Mediterranean systems do not differ in their drought response as both groups maintain their SLA. We found a significant decrease of SLA in grasses of the temperate systems in response to drought while SLA of forbs showed no significant response. Lower SLA is associated with enhanced water-use efficiency under water stress and thus can be seen as a strategy of phenotypic adjustment. By contrast, in the sub-Mediterranean systems, grasses significantly increased their SLA in the drought treatment. This result points towards a better growth performance of these grasses, which is most likely related to their strategy to allocate resources to belowground parts. The observed SLA reduction of forbs is most likely a direct drought response given that competitive effect of grasses is unlikely due to the scanty vegetation cover. We point out that phenotypic adjustment is an important driver of short-term functional plant response to climatic extremes such as drought. Differential reactions of functional groups have to be interpreted against the background of the group's evolutionary configuration that can differ between climatic zones. |
英文关键词 | drought experiment forbs functional groups grasses intraspecific trait variability phenotypic plasticity precipitation change SLA |
领域 | 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000400445900029 |
WOS关键词 | CARBON-ISOTOPE DISCRIMINATION ; PLANT FUNCTIONAL TRAITS ; NET ASSIMILATION RATE ; RELATIVE GROWTH-RATE ; WATER-USE EFFICIENCY ; CLIMATE EXTREMES ; VARIABILITY ; RESPONSES ; STRATEGIES ; DEFICIT |
WOS类目 | Biodiversity Conservation ; Ecology ; Environmental Sciences |
WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/16506 |
专题 | 气候变化 资源环境科学 |
作者单位 | 1.Free Univ Bozen Bolzano, Fac Sci & Technol, Bolzano, Italy; 2.Univ Regensburg, Inst Plant Sci, Ecol & Conservat Biol, Regensburg, Germany; 3.Univ Bayreuth, Biogeog, Bayreuth, Germany; 4.Univ Camerino, Plant Divers & Ecosyst Management Unit, Sch Biosci & Vet Med, Camerino, Italy; 5.Ernst Moritz Arndt Univ Greifswald, Inst Bot & Landscape Ecol, Exp Plant Ecol, Greifswald, Germany; 6.Univ Bayreuth, Disturbance Ecol, Bayreuth, Germany |
推荐引用方式 GB/T 7714 | Wellstein, Camilla,Poschlod, Peter,Gohlke, Andreas,et al. Effects of extreme drought on specific leaf area of grassland species: A meta-analysis of experimental studies in temperate and sub-Mediterranean systems[J]. GLOBAL CHANGE BIOLOGY,2017,23(6). |
APA | Wellstein, Camilla.,Poschlod, Peter.,Gohlke, Andreas.,Chelli, Stefano.,Campetella, Giandiego.,...&Beierkuhnlein, Carl.(2017).Effects of extreme drought on specific leaf area of grassland species: A meta-analysis of experimental studies in temperate and sub-Mediterranean systems.GLOBAL CHANGE BIOLOGY,23(6). |
MLA | Wellstein, Camilla,et al."Effects of extreme drought on specific leaf area of grassland species: A meta-analysis of experimental studies in temperate and sub-Mediterranean systems".GLOBAL CHANGE BIOLOGY 23.6(2017). |
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