Carbon stocks in tropical forests decrease with liana density.

Abstract:

:Tropical forests are experiencing structural changes that may reduce carbon storage potential. The recent increase in liana abundance and biomass is one such potential change. Lianas account for approximately 25 per cent of woody stems and may have a strong impact on tree dynamics because severe liana infestation reduces tree growth and increases tree mortality. Based on forest inventory data from 0.1 ha plots, we evaluated the association between above-ground carbon stocks and liana abundance in 145 tropical forests worldwide. Liana abundance was negatively associated with carbon stocks of large trees (greater than 10 cm diameter), while it was not related to small trees (10 cm diameter or less). Results suggest that liana abundance may have pervasive effects on carbon stocks in tropical forests, as large trees store about 90 per cent of total forest carbon. We stress the need to include liana abundance in carbon stocks estimates, as this can enhance the accuracy of predictions of global changes in tropical forests.

journal_name

Biol Lett

journal_title

Biology letters

authors

Durán SM,Gianoli E

doi

10.1098/rsbl.2013.0301

subject

Has Abstract

pub_date

2013-06-19 00:00:00

pages

20130301

issue

4

eissn

1744-9561

issn

1744-957X

pii

rsbl.2013.0301

journal_volume

9

pub_type

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