Wildlife use of different-sized logging gaps in a tropical dry forest
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Published source details
Fredericksen N.J., Frederocksen T.S., Flores B. & Rumiz D. (1999) Wildlife use of different-sized logging gaps in a tropical dry forest. Tropical Ecology, 40, 167-176.
Published source details Fredericksen N.J., Frederocksen T.S., Flores B. & Rumiz D. (1999) Wildlife use of different-sized logging gaps in a tropical dry forest. Tropical Ecology, 40, 167-176.
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This study is summarised as evidence for the following.
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Clear or open patches in forests Action Link |
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Clear or open patches in forests
A replicated, site comparison study in 1998 of tropical forest in Bolivia (Fredericksen et al. 1999) found that creating forests gaps, by selective felling, did not increase small mammal abundance relative to that in undisturbed forest. The number of small mammals trapped did not differ between large gaps (7.0/plot), small gaps (6.8/plot) and undisturbed forest (5.2/plot). Similarly, total species richness did not differ between large gaps (four species), small gaps (five species) and undisturbed forest (five species). Trees were harvested selectively, creating gaps, in June-October 1997. Within each of six blocks, one small gap (average 247 m2), one large gap (average 811 m2) and one undisturbed area (400 m2) were studied. Treatments in a block were separated by <100 m. Small mammals were monitored using eight Sherman live traps and a larger cage trap, set in each gap or undisturbed forest area, for six days each in April, July, and November 1998.
(Summarised by: Nick Littlewood)
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