The advance of the agricultural frontier constitutes the biggest source of deforestation in Central America today. This conversion of tropical forests into agricultural land and pasture is the direct result of individual land use decisions. This paper presents a simple analytical model of household land use, followed by an econometric analysis of household survey data from the Río San Juan region of Nicaragua in order to test for consistency with the model.
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Showing items 1 through 9 of 10.-
Library ResourceJanuary, 1999Nicaragua, Latin America and the Caribbean
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Library ResourceJanuary, 1998
Manual for researchers in Southeast Asia involved in the economic evaluation of tropical forest land use options. It was developed initially to serve as an aid to Cambodian researchers in the execution of an EEPSEA-financed study of non-timber forest values in Ratanakiri Province, Cambodia. The aim of the manual is to provide non-specialists with a basic theoretical background to economic valuation of the environment and with a practical methodology for an economic evaluation of alternative tropical forest land uses.
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Library ResourceJanuary, 1999Indonesia, Eastern Asia, Oceania
Presents some preliminary results on the impact of the economic crisis on farmers’ livelihood and forest use, based on fieldwork in four provinces in Indonesia (Riau, West and East Kalimantan, Central Sulawesi). Stresses the great variation throughout the country, and the volatility of the situation. Price data reveal that some groups of export crops-oriented farmers enjoyed a short-term gain during the first 2-3 quarters of 1998. Soaring food prices and a stronger rupiah since October 1998 have, however, gradually made real prices move towards their pre-crisis levels.
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Library ResourcePolicy Papers & BriefsDecember, 1998
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Library ResourceReports & ResearchPolicy Papers & BriefsDecember, 1998
The growth of agriculture output over the past 200 years has been phenomenal. When Malthus wrote in 1798, he perceived limits on agricultural production as serious and imminent. Since then world population has increased by six-fold and global agricultural production has more than kept pace. Falling real grain prices for most of the 20th Century are cited as evidence. The sources of the increase in food production, however, have been quite different and have come in distinct waves. For most of the 19th century, increased output came from expanded land area in production.
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Library ResourceJournal Articles & BooksDecember, 1998Italy
This issue of Unasylva focuses on the challenges facing mountain development into the twenty-first century.
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Library ResourceJournal Articles & BooksDecember, 1998Liberia, Benin, Ghana, Sierra Leone, Eswatini, Africa
La plupart des numros d'Unasylva sont axs sur un thme particulier. L'objectif n'est pas de prsenter une introduction ou un manuel sur le sujet choisi (ce qui serait impossible tant donn le format de la revue), mais plutt de proposer une srie d'analyses sur des aspects spcifiques qui contribuent veiller l'intrt et l'attention du lecteur. Les articles sont dits de faon intresser les lecteurs dont le travail porte essentiellement sur le thme choisi, ainsi que la majorit des lecteurs qui travaillent dans d'autres disciplines.
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Library ResourceJournal Articles & BooksDecember, 1998Liberia, Benin, Ghana, Sierra Leone, Eswatini, Italy, Africa
Most issues of Unasylva focus on a specific theme. The objective of this thematic orientation is to examine in depth a given aspect of forest and forestry development in order to highlight its significance and importance within our wider universe. The aim is not to serve as a primer or textbook on the chosen subject (this clearly would he impossible given the limited size of the journal) but rather to present a series of analyses on specific aspects that help to spark interest and awareness.
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Library ResourceJournal Articles & BooksDecember, 1998Liberia, Benin, Ghana, Sierra Leone, Eswatini, Africa
La mayor parte de los nmeros de Unasylva se centran en un tema concreto. El objetivo de esa orientacin temtica es examinar de forma pormenorizada un aspecto determinado de las actividades y el desarrollo forestales, con el fin de resaltar su significado e importancia dentro de los confines ms amplios de nuestro universo. Sin pretender que los diferentes nmeros sean como un manual de una materia concreta, se propone presentar una serie de anlisis de cuestiones especficas que contribuyan a suscitar inters y a concienciar al lector.
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Library ResourceJournal Articles & BooksDecember, 1998Colombia, Brazil, Mexico
The purpose of the expert consulation was to review of current policies that affect the management of livestock and natural resources, focussing on sub-regions and different agro-ecological settings and the identification of policy trade-off. Presentations/resource papers were delivered from each of the five different sub-regions of the Latin American/Caribbean region (Amazon/Brazil; Andean countries/highlands; Central American countries and Mexico; Southern Cone; Caribbean).
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