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Using plant diversity to reduce vulnerability and increase drought resilience of permanent and sown productive grasslands
Luscher, A.; Barkaoui, K.; Finn, J. A.; Suter, D.; Suter, M.; Volaire, F.
发表日期2023
ISSN0429-2766
起始页码61
结束页码74
期号253
英文摘要Climate change associated with a greater variability of inter- and intra-annual droughts and the occurrence of extreme events act in combination to challenge semi-natural and sown productive grasslands in Europe. Successful plant strategies under drought strongly depend on stress intensity. Drought resistance to maintain leaf growth under moderate stress presents trade-offs with drought survival after growth cessation under life-threatening drought. Substantial intra-specific variability exists in key forage grasses originating from the Mediterranean to the cooltemperate climates and represents a great potential for adaptation of future ecotypes and cultivars to a larger range of drought intensities. Plant species diversity offers an opportunity to stabilize forage production in two ways. First, growth reduction under stress is significantly smaller for diverse compared to simple plant communities because the former offers the opportunity to include drought-resistant (or droughtsurviving) species. Second, positive interactions among species increase ecosystem functioning of more diverse plant communities under moderate drought, allowing them to compensate for drought-induced yield reductions. Currently, available cultivars of perennial forage species adapted to dry climate are still rare and only a few forage species are used in productive systems. Thus, both intra- and inter-specific plant diversity should be better valued to reduce vulnerability and increase resilience of productive grasslands.
英文关键词drought stress severity; resistance; survival; insurance effect; ecosystem functioning; complementarity
语种英语
WOS研究方向Agriculture, Dairy & Animal Science
WOS类目Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号WOS:000993457800006
来源期刊FOURRAGES (IF:0.273[JCR-2018],0.206[5-Year])
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/281283
作者单位Swiss Federal Research Station Agroscope; CIRAD; CIHEAM; CIHEAM IAM Montpellier; Institut Agro; INRAE; Universite de Montpellier; CIRAD; Teagasc; INRAE; Universite PSL; Ecole Pratique des Hautes Etudes (EPHE); Institut Agro; Montpellier SupAgro; CIRAD; Centre National de la Recherche Scientifique (CNRS); Institut de Recherche pour le Developpement (IRD); Universite Paul-Valery; Universite de Montpellier
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Luscher, A.,Barkaoui, K.,Finn, J. A.,et al. Using plant diversity to reduce vulnerability and increase drought resilience of permanent and sown productive grasslands[J],2023(253).
APA Luscher, A.,Barkaoui, K.,Finn, J. A.,Suter, D.,Suter, M.,&Volaire, F..(2023).Using plant diversity to reduce vulnerability and increase drought resilience of permanent and sown productive grasslands.FOURRAGES(253).
MLA Luscher, A.,et al."Using plant diversity to reduce vulnerability and increase drought resilience of permanent and sown productive grasslands".FOURRAGES .253(2023).
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