نتایج جستجو برای: inani reserved forest
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— This paper analyzes institutional design, organizational capacity, and interplay in markets for ecosystem services. It examines the development of a market-based mechanism to commercialize forest carbon in Mexico through the Clean Development Mechanism (CDM). This is compared with a State-run carbon forestry program aiming to provide emission rights to voluntary, retail-based, carbon markets....
The constrained forest problem seeks a minimum-weight spanning forest in an undirected edge-weighted graph such that each tree spans at least a specified number of vertices. We present a greedy heuristic for this NP-hard problem, whose solutions are at least as good as, and often better than, those produced by the best-known 2-approximate heuristic. © 2004 Elsevier B.V. All rights reserved.
We measured forest floor C02 flux in three age classes of forest in the southern Appalachians: 20-year-old, 85-year-old, and old-growth. Our objectives were to quantify differences in forest floor C02 flux among age classes, and determine the relative importance of abiotic and biotic driving variables. Forest floor C02 flux was measured using an openflow infrared gas analyzer measurement system...
Tropical forests continue to be deforested because forest owners believe they can earn more income through land uses involving forest conversion. A case study in a Mexican rainforest revealed that enrichment planting with the native tree species Pouteria sapota (‘mamey’) is a management approach that can increase the commercial value of the forest enough to compete with these destructive land u...
This paper addresses the effects of economic transition policies on forestry in China. The effects of de-collectivization and market liberalization on the forest land area and timber harvest are studied using panel data from four provinces covering the period 1978]1995. Fixed effects ordinary least squares models for forest land cover and annual harvests per hectare are estimated, allowing for ...
Tropical forests do far more than sustain biodiversity; they are homes to indigenous peoples, pharmacopeias of natural products, and provide vital ecosystem services, such as ̄ood amelioration and soil conservation. At regional and global scales, tropical forests also have a major in ̄uence on carbon storage and climate. I highlight these bene®ts, then assess the pattern and pace of tropical for...
A linear k-forest is a forest whose components are paths of length at most k. The linear k-arboricity of a graph G, denoted by lak(G), is the least number of linear k-forests needed to decompose G. In this paper, we completely determine lak(G) when G is a balanced complete bipartite graph Kn,n or a complete graph Kn, and k = 3. © 2007 Elsevier B.V. All rights reserved.
0924-2716/$ see front matter 2012 International http://dx.doi.org/10.1016/j.isprsjprs.2012.07.003 ⇑ Corresponding author. Address: 3100 Monitor A Oklahoma, Norman, OK 73072, USA. Tel.: +1 405 325 E-mail address: [email protected] (S. Sheldon) In this study, we evaluate a methodology that uses dual-polarization L-band SAR 500-m mosaic PALSAR imagery to identify and map forests in the Brazilian...
The forest rotations problem has been considered by generations of economists (Fisher, 1930; Boulding, 1966; Samuelson, 1976). Traditionally, the forest resource across all future harvest periods is assumed to grow without memory of past harvest periods. This paper integrates economic theory and intertemporal ecological mechanics, linking current harvest decisions with future forest growth, fin...
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