1,721,538 research outputs found
Land use dynamics in the central highlands of Vietnam: a spatial model combining village survey data with satellite imagery interpretation
No full textThe paper investigates geo-physical, agro-ecological, and socio-economic determinants of past land use change in two districts of Dak Lak province in the Central Highlands of Vietnam and assesses the influence of rural development policies on land cover change. Landsat satellite images from the years 1975, 1992 and 2000 are interpreted to detect land cover in two time periods. A survey in randomly selected villages provides primary recall data on socio-economic and policy variables hypothesised to influence land use change. Secondary data on rainfall, soil suitability, and topography was obtained from meteorological stations and from a digital soil map and digital elevation model. All data were spatially referenced using geographic information systems (GIS) software. A reduced-form, multinomial logit model is used to estimate the influence of hypothesised determinants on land use and the probabilities that a certain pixel has one of five land classes during either of the two periods. Results suggest that the first period from 1975 to 1992 was characterised by land-intensive agricultural expansion and the conversion of forest into grass and agricultural land. During the second period, since 1992, the rapid, more labour- and capital-intensive growth in the agricultural sector was enabled by the introduction of fertiliser, improved access to rural roads and markets, and expansion of the irrigated area. These policies, combined with the introduction of protected forest areas and policies discouraging shifting cultivation during the second period reduced the pressure on forests while at the same time increasing agricultural productivity and incomes for a growing population. Forest cover during the second period mainly increased due to the regeneration of areas formerly used for shifting cultivation. (C) 2002 Elsevier Science B.V. All rights reserved
Assessing NGDOs' targeting performance and characteristics of households participating in child development programmes in rural eastern Kenya
No full textTargeting beneficiaries of development interventions in the context of poverty alleviation remains a challenge to most development agencies and policy-makers. Due to limited resources and the small scale of operations, most non governmental development organisations' (NGDOs) practice targeting in order to limit themselves to interventions that only select a group of individuals considered to be most in need. This paper analyses the targeting performance of two child-safety net programmes operating in rural Kenya and examines the factors influencing it. In addition, an econometric model is developed to identify the characteristics of the households participating in these programmes. Data for this paper was collected through a household survey of 120 randomly selected households, stratified equally into participants and non-participants. The targeting performance of the studied NGDOs' interventions was found to be poor due to reliance on local social structures that led to under-representation of the poorest group of households in programme activities. The paper further shows that although the case study NGDOs and their child programmes could be supporting households with characteristics that indicate that they are not among the well-off in the society, such households do not necessarily belong to the poorest group of community members in relative terms
Relative importance and determinants of landowners' transaction costs in collaborative wildlife management in Kenya: an empirical analysis
No full textCollaborative management of protected areas-which involves state agencies, local communities and other stakeholders - has been identified as a promising approach of organising nature conservation. However, as a complex governance structure, co-management can be expected to involve considerable transaction costs for the participating stakeholders. Empirical studies concerning the quantification of these costs are still scarce. Against this background, this paper empirically analyses the relative importance and the determinants of the landowners' transaction costs arising from collaborative wildlife management, taking two wildlife sanctuaries in Kenya as examples. The empirical data presented in this paper was collected in the wildlife dispersal areas of Shimba Hills National Reserve and Amboseli National Park in Kenya. The results of this study show that-as compared to other cost categories-the landowners' transaction costs incurred in wildlife co-management were relatively low. They also indicate that the magnitude of the transaction costs incurred by landowners is influenced by the attributes of transactions; bio-physical and ecological characteristics of the resource systems; landowners' characteristics such as their human, social and financial forms of capital; losses resulting from human-wildlife conflicts; tenure security and benefits from conservation. Comparing the results of a two-stage least squares regression model of landowners' characteristics of the two wildlife sanctuaries, it was found that the level of significance and the sign of most variables are not the same for both areas. This indicates that it is a specific combination of local factors that influences the transaction costs borne by the landowners. (C) 2003 Elsevier Science B.V. All rights reserved
Evaluating the poverty outreach of development programs. Empirical evidence from Indonesia and Mexico.
No full textGoing Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Assessing NGDOs' targeting performance and characteristics of households participating in child development programmes in rural eastern Kenya
No full textTargeting beneficiaries of development interventions in the context of poverty alleviation remains a challenge to most development agencies and policy-makers. Due to limited resources and the small scale of operations, most non governmental development organisations' (NGDOs) practice targeting in order to limit themselves to interventions that only select a group of individuals considered to be most in need. This paper analyses the targeting performance of two child-safety net programmes operating in rural Kenya and examines the factors influencing it. In addition, an econometric model is developed to identify the characteristics of the households participating in these programmes. Data for this paper was collected through a household survey of 120 randomly selected households, stratified equally into participants and non-participants. The targeting performance of the studied NGDOs' interventions was found to be poor due to reliance on local social structures that led to under-representation of the poorest group of households in programme activities. The paper further shows that although the case study NGDOs and their child programmes could be supporting households with characteristics that indicate that they are not among the well-off in the society, such households do not necessarily belong to the poorest group of community members in relative terms
Relative importance and determinants of landowners' transaction costs in collaborative wildlife management in Kenya: an empirical analysis (vol 45, pg 59, 2003)
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