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Fertilized graminoids intensify negative drought effects on grassland productivity

Title data

van Sundert, Kevin ; Arfin Khan, Mohammed Abu Sayed ; Bharath, Siddharth ; Buckley, Yvonne M. ; Caldeira, Maria C. ; Donohue, Ian ; Dubbert, Maren ; Ebeling, Anne ; Eisenhauer, Nico ; Eskelinen, Anu ; Finn, Alain ; Gebauer, Tobias ; Haider, Sylvia ; Hansart, Amandine ; Jentsch, Anke ; Kübert, Angelika ; Nijs, Ivan ; Nock, Charles A. ; Nogueira, Carla ; Porath-Krause, Anita J. ; Radujković, Dajana ; Raynaud, Xavier ; Risch, Anita C. ; Roscher, Christiane ; Scherer-Lorenzen, Michael ; Schuchardt, Max A. ; Schütz, Martin ; Siebert, Julia ; Sitters, Judith ; Spohn, Marie ; Virtanen, Risto ; Werner, Christiane ; Wilfahrt, Peter ; Vicca, Sara:
Fertilized graminoids intensify negative drought effects on grassland productivity.
In: Global Change Biology. Vol. 27 (2021) Issue 11 . - pp. 2441-2457.
ISSN 1365-2486
DOI: https://doi.org/10.1111/gcb.15583

Abstract in another language

Droughts can strongly affect grassland productivity and biodiversity, but responses differ widely. Nutrient availability may be a critical factor explaining this variation, but is often ignored in analyses of drought responses. Here, we used a standardized nutrient addition experiment covering 10 European grasslands to test if full-factorial nitrogen, phosphorus, and potassium addition affected plant community responses to inter-annual variation in drought stress and to the extreme summer drought of 2018 in Europe. We found that nutrient addition amplified detrimental drought effects on community aboveground biomass production. Drought effects also differed between functional groups, with a negative effect on graminoid but not forb biomass production. Our results imply that eutrophication in grasslands, which promotes dominance of drought-sensitive graminoids over forbs, amplifies detrimental drought effects. In terms of climate change adaptation, agricultural management would benefit from taking into account differential drought impacts on fertilized versus unfertilized grasslands, which differ in ecosystem services they provide to society.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professor Disturbance Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professor Disturbance Ecology > Professor Disturbance Ecology - Univ.-Prof. Dr. Anke Jentsch
Faculties
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 550 Earth sciences, geology
500 Science > 570 Life sciences, biology
500 Science > 580 Plants (Botany)
Date Deposited: 24 Feb 2022 07:55
Last Modified: 03 Mar 2022 12:53
URI: https://eref.uni-bayreuth.de/id/eprint/68742