Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 9 of 9 for “"Timber extraction"”.
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Environmental governance and implications of small-scale logging: the case of the indigenous groups in the Ampiyacu Basin in the northeastern Peruvian Amazon
… role of local institutions in the management of timber resources. This study provides insight into the local institutions that govern the use of timber resources and the timber extraction practices of indigenous communities in Amazonia. Timber extraction was examined through a regional case study …
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Remote sensing for developing an operational monitoring scheme for the Sundarban Reserved Forest, Bangladesh <engl.>
… although a governmental moratorium on banning timber extraction exists since 1989. 5. Development of an operational monitoring scheme by means of multitemporal satellite imagery analysis, which will allow concerned authorities to set up sustainable and appropriate monitoring of the Sundarban …
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Improving Helicopter Yarding with Onboard GPS
… helicopter yarding has become a common means of timber extraction where site sensitivity, access, or regulations limit the use of less costly alternatives. The high costs associated with helicopter yarding, as well as the desire to expand the application of this system to extract lower value …
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Leaf litter ant communities in tropical lowland rain forests in Sabah, Malaysia
… primary forest were present even 25 years after timber extraction. The ant communities were thinned and could be described by a lower species density producing lower species numbers and a different community composition. The similarity in species number and community composition between logged …
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Timber frame construction in North East Scotland: a century of precedent 1830s - 1930s.
… inquisitiveness about the concentration of timber buildings in both Braemar on Deeside and Fochabers on Speyside, and the assumed association with the history of timber extraction in the respective river systems. Reinforced by childhood memories of timber buildings in other locations, the …
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Ecology of stingless bees (Apidae, Meliponini) in lowland dipterocarp forests in Sabah, Malaysia, and an evaluation of logging impact on populations and communities
… to evaluate the effect of selective logging for timber extraction on communities of bees, and to elucidate causative relationships involved in regulating bee populations. Included were background studies on resource use (3.1, 3.2, 3.3) and nesting biology (3.4) as well as comparative studies on …
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Sustainable management of indigenous forests on private land in New Zealand
… conservation and the production of indigenous timber. The first objective of this dissertation is to study people's understandings and interpretations of what constitutes sustainable forest management (SFM) of indigenous forests in New Zealand. In my opinion, it is important to acknowledge the …
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Understanding the complexity and dynamics of mangrove social-ecological systems through the use of a resilience approach in Unguja, Zanzibar
… concern by policy and other decision makers that timber extraction by local communities is the main threat to achieving sustainable management of mangrove systems in Unguja Island, Zanzibar, Tanzania. However, this concern, and responses to the perceived threat to date, do not appear to be …
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Definición de un Modelo Edafogeomorfológico para la Identificación de Necesidades de Manejo y Recuperación de Suelos a Nivel Local. Caso Cuenca Cañada La Gorda, Machiques Colón, Estado Zulia, Venezuela.
… with some trees relicts of woods affected by timber extraction and turn to grassland Eight VI were identified, highly associated to local physical and hidrological soil conditions. The enormous impact of human activity on soils and vegetation as shown by active erosion processes and absence of …