Labor-intensive Harvesting of Tree Plantations in the Southern Philippines PDF Download
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Author: Mike Jurvelius
Publisher:
ISBN:
Category : Logging
Languages : en
Pages : 40
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Book Description
Author: Mike Jurvelius
Publisher:
ISBN:
Category : Logging
Languages : en
Pages : 40
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Book Description
Author: Denyse J. Snelder
Publisher: Springer Science & Business Media
ISBN: 1402082614
Category : Technology & Engineering
Languages : en
Pages : 498
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Book Description
Recent history reveals that both the large-scale reforestation projects of the 20th century have often been less successful than anticipated, and that tree growing by smallholders – as an alternative means to combat deforestation and promote sustainable land use – has received relatively little attention from the scientific and development communities. Taking a first step to addressing that balance, this collection of peer-reviewed papers adopts a comparative approach to explore the potential role that tree growing by farmers can play in sustainable forest management. The goal of this approach is to identify common threads and to start to develop a framework for future research and practice. Presenting case studies from the Philippines and comparative data from a number of Asian countries the book reveals that farmer tree growing has the potential to play a significant role in sustainable forest management, and discusses the surrounding issues which must be addressed in order to realise this potential. The book is primarily aimed at research scientists and graduate students interested in relevant aspects of forestry, agroforestry, agricultural diversity, natural resource management and conservation in agricultural landscapes, as well as those involved in sustainable development and international development studies. It will also provide a valuable reference for professionals, managers, consultants, policy makers and planners dealing with issues in sustainable development, natural resource management, land use change issues and participatory approaches to resource management.
Author:
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 546
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Author: Calliope Panoutsou
Publisher: Academic Press
ISBN: 0128123044
Category : Technology & Engineering
Languages : en
Pages : 294
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Book Description
Modeling and Optimization of Biomass Supply Chains: Top Down and Bottom Up Assessment for Agricultural, Forest and Waste Feedstock provides scientific evidence for assessing biomass supply and logistics, placing emphasis on methods, modeling capacities, large data collection, processing and storage. The information presented builds on recent relevant research work from the Biomass Futures, Biomass Policies and S2Biom projects. In addition to technical issues, the book covers the economic, social and environmental aspects with direct implications on biomass availability. Its chapters offer an overview of methodologies for assessing and modeling supply, biomass quality and requirements for different conversion processes, logistics and demand for biobased sectors. Case studies from the projects that inspire the book present practical examples of the implementation of these methodologies. The authors also compare methodologies for different regions, including Europe and the U.S. Biomass feedstock-specific chapters address the relevant elements for forest, agriculture, biowastes, post-consumer wood and non-food crops. Engineers in the bioenergy sector, as well as researchers and graduate students will find this book to be a very useful resource when working on optimization and modeling of biomass supply chains. For energy policymakers, analysts and consultants, the book provides consistent and technically sound projections for policy and market development decisions. Provides consistent ratios and indicators for assessing biomass supply and its logistical component Explores assumptions behind the assessment of different types of biomass, including key technical and non-technical factors Presents the existing modeling platforms, their input requirements and possible output projections
Author: Anssi Niskanen
Publisher: Unu World Institute for Development Economics Research
ISBN:
Category : Agroforestry
Languages : en
Pages : 70
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Book Description
The area of forest plantations in the tropics has increased for many reasons, but not the least as a result of natural forest depletion. Although forest plantations cannot qualitatively substitute the timber grown in natural forests, their importance in global forestry is steadily increasing. At the same time a heated public debate has been growing with them, focusing largely on the perceived negative environmental and social impacts of large-scale industrial plantations. This research report first discusses tropical plantations in global forestry. It emphasizes that tree plantations presently include a much wider range of categories, purposes, species variety and management forms than is commonly perceived. The study states that although industrial forest plantations are mainly established solely for economic reasons, private farm-forestry and governmental plantations more often have a variety of reasons for establishment. These reasons include expectations for positive social and environmental impacts of forest plantations, e.g. increased household security and soil conservation. Nevertheless the environmental and social impacts of plantations deserve much concern and the second part of the study widely reviews environmental and social but also economic impacts of plantations, all of which can be either negative or positive. One of the major problems in developing plantation forestry has been that the profitability analysis of plantations has based only on the economic criteria. Although financial profitability can be regarded as the most important single evaluation criteria for forest plantations in the tropics, the negative and positive social and environmental impacts should also be attempted to be included into the analysis. The focus of the empirical part of the work, therefore, has been to study to what extent it presently is possible to monetize the varying impacts of tree plantations and incorporate them into the "multilevel" profitability analysis. In two case study countries, Thailand and the Philippines, the profitability of industrial, community based and private reforestation was assessed for two most commonly used tree species in reforestation. The profitability assessments were aimed to be carried out at four different levels: based on comparisons between costs and benefits in market prices (financial profitability), economic efficiency prices (economic profitability), economic efficiency prices with the distributional weigh assessments (socio-economic profitability), and finally with including monetary valuation of environmental impacts into the economic analysis (environmental-economic profitability). For the environmental-economic profitability, the study evaluated the economic costs of transpiration and nutrient loss in harvesting, and benefits in erosion control and carbon sequestration. The results of the two case studies indicated that the economic profitability of reforestation is considerably higher than the financial profitability both in Thailand and the Philippines. It also became evident that the environmental-economic profitability was highly dependent on the environmental impact and valuation assessments; in this study, the environmental-economic valuation improved the economic profitability of reforestation. A conclusion derived from the socio-economic analysis was that the return to labour per hectare is very low in mechanized reforestation. The empirical basis of including environmental and social impacts into traditional profitability analysis of tree plantations requires much improvement and the work done still carries a character of methodological experiments. Nevertheless a conclusion is evident: if the social and environmental costs and benefits, evaluated in monetary terms, could properly be included into the solid framework of economic analysis, that would further encourage for environmentally and socially sensitive management practices in plantation forest development.
Author: Carole Megevand
Publisher: World Bank Publications
ISBN: 0821397788
Category : Business & Economics
Languages : en
Pages : 179
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Book Description
Deforestation rates in the Congo Basin are among the lowest in the tropical rainforest belt and are significantly below rates in most other African regions. Local and regional development, population increases and global demand for commodities are likely to increase deforestation and forest degradation in the Congo Basin.
Author: Henning Fath
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 72
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Book Description
Author:
Publisher:
ISBN:
Category : National parks and reserves
Languages : en
Pages : 656
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Author: Norbert Winkler
Publisher:
ISBN:
Category : Forest roads
Languages : en
Pages : 72
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Book Description
Author: G. G. O. Odokonyero
Publisher:
ISBN:
Category : Forest products industry
Languages : en
Pages : 62
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Book Description
