منابع مشابه
Estimating Sustainable Timber Production from Tropical Forests
Natural forests in the humid tropics differ from temperate and plantation forests in several ways: there may be many tree species; many of these may occur infrequently; there may be a large range of tree sizes and shapes present; tree ages may be unknown and indeterminate; and despite the luxuriant appearance some rainforests, growth rates may be relatively low. This has many implications for t...
متن کاملImproved timber harvest techniques maintain biodiversity in tropical forests
If you believe this document infringes copyright then please contact the KAR admin team with the take-down information provided at http://kar.kent.ac.uk/contact.html Citation for published version Bicknell, Jake E. and Struebig, Matthew J. and Edwards, David P. and Davies, Zoe G. (2014) Improved timber harvest techniques maintain biodiversity in tropical forests. Current Biology, 24 (23). pp. 1...
متن کاملFeasibility of glued laminated timber beams 1 with tropical hardwoods
11 A feasibility study of glulam was carried out in French Guiana using local wood species. The aim 12 was to determine gluing parameters affording satisfactory behaviour to manufactured glulam in 13 a tropical climate. 14 Three abundant wood species, with special properties, were selected for the study and 15 Resorcinol-Phenol-Formaldehyde resin was used for bonding. Three industrial parameter...
متن کاملLiberalisation of Tropical Timber Trade: Implications for Biodiversity
_______________________________________________________________________________ Timber trade liberalisation is likely to have implications for forest biodiversity. In an earlier work Barbier et al (1994) conclude that trade restrictions in tropical timber product sector ought not to be implemented, as they are both ineffective and counter-productive in reducing deforestation. Their thinking of ...
متن کاملIs There a Commercial Case for Tropical Timber Certification ?
Is There a Commercial Case Timber certification is not expected to provide for Tropical Timber significant commercial Certification? benefits to developing countries in the near future. Revenues from certification Panayotis N. Varangis are limited by the share of Rachel Crossley trade destined for "ecoCarlos A. Primo Braga sensitive" markets and by the size of the "green premium." The costs of ...
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ژورنال
عنوان ژورنال: Environmental Conservation
سال: 1987
ISSN: 0376-8929,1469-4387
DOI: 10.1017/s0376892900011206