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Just how big is intraspecific trait variation in basidiomycete fungal fruit bodies?

Dawson, Samantha and Jönsson, Mari (2020). Just how big is intraspecific trait variation in basidiomycete fungal fruit bodies? Fungal Ecology. 46 , 100865 , 1-7
[Journal article]

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Abstract

As the use of functional trait approaches is growing in fungal ecology, there is a corresponding need to understand trait variation. Much of trait theory and statistical techniques are built on the assumption that interspecific variation is larger than intraspecific variation. This allows the use of mean trait values for species, which the vast majority of trait studies adopt. We examined the size of intra- vs. inter-specific variation in two wood fungal fruit body traits: size and density. Both coefficients of variation (CV) and Trait Probability Density analyses were used to quantify trait variation. We found that intraspecific variation in fruit body density was more than twice as variable as interspecific variation, and fruit bodysize was hugely variable (CVs averaged 190%), although interspecific variation was larger. Further, there was a very high degree of overlap in the trait space of species, indicating that there may be little niche partitioning at the species level. These findings show that intraspecific variation is highly important and should be accounted for when using trait approaches to understand fungal ecology. More data on variation of other fungal traits is also desperately needed to ascertain whether the high level of variation found here is typical for fungi. While the need to measure individuals does reduce the ability to generalise at the species level, it does not negate the usefulness of fungal trait measurements. There are two reasons for this: first, the ecology of most fungal species remains poorly known and trait measurements address this gap; and secondly, if trait overlap between species more generally is as much as we found here, then individual measurements may be more helpful than species identity for untangling fungal community dynamics.

Authors/Creators:Dawson, Samantha and Jönsson, Mari
Title:Just how big is intraspecific trait variation in basidiomycete fungal fruit bodies?
Year of publishing :2020
Volume:46
Article number:100865
Number of Pages:0
Publisher:Elsevier
ISSN:1754-5048
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution-Noncommercial-No Derivative Works 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Microbiology (Microbiology in the medical area to be 30109)
(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
Keywords:Fungi, Interspecific, Mean trait value, Saprotrophic
URN:NBN:urn:nbn:se:slu:epsilon-p-104389
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-104389
Additional ID:
Type of IDID
DOI10.1016/j.funeco.2019.100865
ID Code:17251
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Swedish Species Information Centre
Deposited By: SLUpub Connector
Deposited On:10 Jul 2020 10:49
Metadata Last Modified:10 Jul 2020 10:49

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