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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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Intraspecific Variation in the Fruiting of an Amazonian Timber Tree: Implications for Management

Authors: Fonseca, M; Vidal, E; Maës dos Santo, F;

Intraspecific Variation in the Fruiting of an Amazonian Timber Tree: Implications for Management

Abstract

ABSTRACTInformation concerning the fruit production of timber species is important for the assessment of the effects of logging practices and for the improvement of harvesting techniques. We assessed the effects of stem diameter, crown illumination, and liana load on Chrysophyllum lucentifolium subsp. pachycarpum fruiting over a 3‐yr period in areas subjected to conventional and reduced impact logging 10–13 yr prior to the study and within a control area, in the eastern Brazilian Amazon. We further used this data set to estimate the proportion of fertile trees harvested following the adoption of 90 percent harvesting intensity and two different minimum diameter cutting limits (MDCL). Liana presence on > 50 percent of the crown was associated with a decrease in the odds of fruiting. Therefore, liana cutting aiming to increase fruiting output should target only trees in such a condition. We found no significant effects of logging treatments and crown illumination on the odds of fruiting. The percentage of reproductive trees, frequency, and intensity of fruiting increased markedly for trees > 40 cm dbh. The proportion of fertile trees harvested following the adoption of 50 cm dbh MDCL is relatively low (13–15%) and therefore, this practice is likely to have a low direct impact on C. lucentifolium fruiting at the population level. However, even for a population with relatively small fertile individuals and low proportion of trees ≥ 50 cm dbh, the MDCL should not be < 50 cm dbh, unless a lower harvest intensity is adopted.

Country
United States
Keywords

580, Chiroptera, Mammalia, bats, Brazilian Amazon Chrysophyllum lucentifolium subsp. pachycarpum Fruits Lianas Logging Sapotaceae, Animalia, bat, Biodiversity, Chordata

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
19
Top 10%
Average
Top 10%
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