Lianas and logging in West Africa
2003
Parren, Marc P. E.
The role of lianas in relation to logging activities isanalysedin a lowland moist forest inCameroon.
Show more [+] Less [-]Lianas are an abundant, diverse, and conspicuous growth form in nearly all tropical forests.
Show more [+] Less [-]Lianas are mostly seen as a nuisance by foresters.
Show more [+] Less [-]Cutting of liana stems is an important operation in forest management practices.
Show more [+] Less [-]Pre-harvest liana cutting is aimed at a reduction of logging damage, an improved precision of felling, an enhancement of the development of the growing tree stock and a reduction of theregrowthcapacity of lianas.Lianas were very abundant: on average nearly 5000 individuals per ha of which over 100 large ones (³5 cmdbh).Felling gap sizes, tree mortality and damage were not significantly affected by pre-harvest liana cutting.However, this intervention significantly reduced the number of lianas and also the number of liana-infested trees in logging gaps.
Show more [+] Less [-]Cut lianas were monitored and proved that certain species were extremely vulnerable while others hardly.
Show more [+] Less [-]To avoid problems related to the negative impacts that both liana cutting and fire can have on liana species, which are vulnerable to these interventions, it is recommended to apply this treatment only selectively.
Show more [+] Less [-]Spatially, treatments should be limited to zones where lianas are heavily interfering with trees to be felled.
Show more [+] Less [-]Treatments also should be species-specific, by limiting liana cutting to those species, which cause most of the damage.
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