Is Variation in Conspecific Negative Density Dependence Driving Tree Diversity Patterns at Large Scales?
coexistence theory
diversity stabilization
forest ecology
intraspecific competition
latitudinal diversity gradient
Journal
Trends in ecology & evolution
ISSN: 1872-8383
Titre abrégé: Trends Ecol Evol
Pays: England
ID NLM: 8805125
Informations de publication
Date de publication:
02 2021
02 2021
Historique:
received:
10
04
2020
revised:
28
09
2020
accepted:
01
10
2020
entrez:
16
2
2021
pubmed:
17
2
2021
medline:
23
2
2021
Statut:
ppublish
Résumé
Half a century ago, Janzen and Connell hypothesized that the high tree species diversity in tropical forests is maintained by specialized natural enemies. Along with other mechanisms, these can cause conspecific negative density dependence (CNDD) and thus maintain species diversity. Numerous studies have measured proxies of CNDD worldwide, but doubt about its relative importance remains. We find ample evidence for CNDD in local populations, but methodological limitations make it difficult to assess if CNDD scales up to control community diversity and thereby local and global biodiversity patterns. A combination of more robust statistical methods, new study designs, and eco-evolutionary models are needed to provide a more definite evaluation of the importance of CNDD for geographic variation in plant species diversity.
Identifiants
pubmed: 33589047
pii: S0169-5347(20)30263-9
doi: 10.1016/j.tree.2020.10.003
pii:
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Review
Langues
eng
Sous-ensembles de citation
IM
Pagination
151-163Informations de copyright
Copyright © 2020 Elsevier Ltd. All rights reserved.