Altered climate leads to positive density-dependent feedbacks in a tropical wet forest

© 2020 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 26(2020), 6 vom: 22. Juni, Seite 3417-3428
1. Verfasser: Bachelot, Benedicte (VerfasserIn)
Weitere Verfasser: Alonso-Rodríguez, Aura M, Aldrich-Wolfe, Laura, Cavaleri, Molly A, Reed, Sasha C, Wood, Tana E
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article arbuscular mycorrhizal fungi climate change negative density dependence positive density dependence tropical wet forest
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520 |a Climate change is predicted to result in warmer and drier Neotropical forests relative to current conditions. Negative density-dependent feedbacks, mediated by natural enemies, are key to maintaining the high diversity of tree species found in the tropics, yet we have little understanding of how projected changes in climate are likely to affect these critical controls. Over 3 years, we evaluated the effects of a natural drought and in situ experimental warming on density-dependent feedbacks on seedling demography in a wet tropical forest in Puerto Rico. In the +4°C warming treatment, we found that seedling survival increased with increasing density of the same species (conspecific). These positive density-dependent feedbacks were not associated with a decrease in aboveground natural enemy pressure. If positive density-dependent feedbacks are not transient, the diversity of tropical wet forests, which may rely on negative density dependence to drive diversity, could decline in a future warmer, drier world 
650 4 |a Journal Article 
650 4 |a arbuscular mycorrhizal fungi 
650 4 |a climate change 
650 4 |a negative density dependence 
650 4 |a positive density dependence 
650 4 |a tropical wet forest 
700 1 |a Alonso-Rodríguez, Aura M  |e verfasserin  |4 aut 
700 1 |a Aldrich-Wolfe, Laura  |e verfasserin  |4 aut 
700 1 |a Cavaleri, Molly A  |e verfasserin  |4 aut 
700 1 |a Reed, Sasha C  |e verfasserin  |4 aut 
700 1 |a Wood, Tana E  |e verfasserin  |4 aut 
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