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Latitudinal patterns in stabilizing density dependence of forest communities

Titelangaben

Hülsmann, Lisa ; Chisholm, Ryan A. ; Comita, Liza ; Visser, Marco D. ; de Souza Leite, Melina ; Aguilar, Salomon ; Anderson-Teixeira, Kristina J. ; Bourg, Norman A. ; Brockelman, Warren Y. ; Bunyavejchewin, Sarayudh ; Castaño, Nicolas ; Chang-Yang, Chia-Hao ; Chuyong, George B. ; Clay, Keith ; Davies, Stuart J. ; Duque, Alvaro ; Ediriweera, Sisira ; Ewango, Corneille ; Gilbert, Gregory S. ; Holík, Jan ; Howe, Robert W. ; Hubbell, Stephen P. ; Itoh, Akira ; Johnson, Daniel J. ; Kenfack, David ; Král, Kamil ; Larson, Andrew J. ; Lutz, James A. ; Makana, Jean-Remy ; Malhi, Yadvinder ; McMahon, Sean M. ; McShea, William J. ; Mohamad, Mohizah ; Nasardin, Musalmah ; Nathalang, Anuttara ; Norden, Natalia ; Oliveira, Alexandre A. ; Parmigiani, Renan ; Perez, Rolando ; Phillips, Richard P. ; Pongpattananurak, Nantachai ; Sun, I-Fang ; Swanson, Mark E. ; Tan, Sylvester ; Thomas, Duncan ; Thompson, Jill ; Uriarte, Maria ; Wolf, Amy T. ; Yao, Tze Leong ; Zimmerman, Jess K. ; Zuleta, Daniel ; Hartig, Florian:
Latitudinal patterns in stabilizing density dependence of forest communities.
In: Nature. Bd. 627 (2024) . - S. 564-571.
ISSN 1476-4687
DOI: https://doi.org/10.1038/s41586-024-07118-4

Abstract

Numerous studies have shown reduced performance in plants that are surrounded by neighbours of the same species1,2, a phenomenon known as conspecific negative density dependence (CNDD)3. A long-held ecological hypothesis posits that CNDD is more pronounced in tropical than in temperate forests4,5, which increases community stabilization, species coexistence and the diversity of local tree species6,7. Previous analyses supporting such a latitudinal gradient in CNDD8,9 have suffered from methodological limitations related to the use of static data10–12. Here we present a comprehensive assessment of latitudinal CNDD patterns using dynamic mortality data to estimate species-site-specific CNDD across 23 sites. Averaged across species, we found that stabilizing CNDD was present at all except one site, but that average stabilizing CNDD was not stronger toward the tropics. However, in tropical tree communities, rare and intermediate abundant species experienced stronger stabilizing CNDD than did common species. This pattern was absent in temperate forests, which suggests that CNDD influences species abundances more strongly in tropical forests than it does in temperate ones13. We also found that interspecific variation in CNDD, which might attenuate its stabilizing effect on species diversity14,15, was high but not significantly different across latitudes. Although the consequences of these patterns for latitudinal diversity gradients are difficult to evaluate, we speculate that a more effective regulation of population abundances could translate into greater stabilization of tropical tree communities and thus contribute to the high local diversity of tropical forests.

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Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Institutionen der Universität: Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Juniorprofessur Ökosystemanalyse und -simulation
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften > Juniorprofessur Ökosystemanalyse und -simulation > Juniorprofessur Ökosystemanalyse und -simulation - Juniorprof. Dr. Lisa Hülsmann
Fakultäten
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften
Fakultäten > Fakultät für Biologie, Chemie und Geowissenschaften > Fachgruppe Geowissenschaften
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 550 Geowissenschaften, Geologie
500 Naturwissenschaften und Mathematik > 570 Biowissenschaften; Biologie
500 Naturwissenschaften und Mathematik > 580 Pflanzen (Botanik)
Eingestellt am: 05 Mär 2024 08:44
Letzte Änderung: 12 Sep 2024 12:34
URI: https://eref.uni-bayreuth.de/id/eprint/88766