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How to differentiate facilitation and environmentally driven co-existence

Title data

Steinbauer, Manuel ; Beierkuhnlein, Carl ; Arfin Khan, Mohammed Abu Sayed ; Harter, David ; Irl, Severin D. H. ; Jentsch, Anke ; Schweiger, Andreas ; Svenning, Jens-Christian ; Dengler, Jürgen:
How to differentiate facilitation and environmentally driven co-existence.
In: Journal of Vegetation Science. Vol. 27 (2016) Issue 5 . - pp. 1071-1079.
ISSN 1100-9233
DOI: https://doi.org/10.1111/jvs.12441

Official URL: Volltext

Abstract in another language

Positive plant plant interactions (i.e. facilitation) receive increasing attention as a potentially important driver of community assembly. We conducted a systematic literature review indicating broad support for positive effects of potential facilitator species. However, a large majority of the reviewed studies (83% for field studies, 57% for experiments) share a similar risk of misinterpretation as they assess facilitative effects by comparing plots inhabited by a potential facilitator with randomly placed control plots nearby (paired sampling). As the distribution of facilitator species may itself be environmentally driven., species co-existence caused by facilitation cannot exclusively be separated :from environmental effects (habitat sharing). Based on simulated plant communities and sampling -yrotocols, we show how 110IVrandont. co-existence can occur in the absence of facilitation. This is relevant because both the effect of spatial environmental heterogeneity and of facilitation (stress-gradient hypothesis) are expected to increase with environmental harshness. Nevertheless, 58% of facilitation studies neither undertook measures to minimize potential biases in their sampling approaches nor did they acknowledge such limitations in the discussion. Attention to this problem has significantly decreased in recent years. We propose that facilitation studies could be improved by (1) using random sampling for association studies, (2) co-analysing environmental factors, or (3) experimentally establishing presumed facilitators. Experimental approaches mimicking facilitative plant characteristics can help to identify facilitation mechanisms. Combining approaches and including functional traits of the involved species should further strengthen inference.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER136621, BAYCEER137299
ISI:000388439400019
Institutions of the University: Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Biogeography
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Biogeography > Chair Biogeography - Univ.-Prof. Dr. Carl Beierkuhnlein
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Disturbance Ecology > Professorship Disturbance Ecology - Univ.-Prof. Dr. Anke Jentsch
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Disturbance Ecology
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 570 Life sciences, biology
500 Science > 580 Plants (Botany)
Date Deposited: 05 Aug 2016 08:07
Last Modified: 03 Sep 2019 09:56
URI: https://eref.uni-bayreuth.de/id/eprint/33840