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Emergent properties arising from spatial heterogeneity influence fungal community dynamics

O'Leary, Jade, Eastwood, Dan, Muller, Carsten and Boddy, Lynne 2018. Emergent properties arising from spatial heterogeneity influence fungal community dynamics. Fungal Ecology 33 , pp. 32-39. 10.1016/j.funeco.2018.02.001

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Abstract

Community dynamics are mediated by species interactions, and within communities spatial heterogeneity and intransitive relationships promote coexistence. However, few experimental studies have assessed effects of heterogeneity on the interactions of competing individuals. Wood decay basidiomycete fungi are ideal for studying community structure and dynamics because they are easy to manipulate in laboratory microcosms, and communities resolve themselves rapidly. Most studies have only used simplistic pair-wise interactions in a 2-D plane, but here we investigate a three-species community in an environmentally realistic novel 3-dimensional system. We show how spatial heterogeneity and patch size dynamics are important for coexistence, and how competitive interactions change over different spatial dimensions. Emergent properties arose with increased spatial heterogeneity: the weakest competitor co-occurred with the community when its territory was less fragmented, and interactions became intransitive.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Publisher: Elsevier
ISSN: 1754-5048
Date of First Compliant Deposit: 9 February 2018
Date of Acceptance: 2 February 2018
Last Modified: 17 Oct 2019 02:32
URI: http://orca.cf.ac.uk/id/eprint/109003

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