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.
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Showing 1 to 20 of 23 for “"Forest Conversion"”.
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Humus Dynamics along Forest Conversion Sequences in the Lowland and Ore Mountain Region of Saxony, Germany
Vor dem Hintergrund der steigenden CO2-Konzentration in der Atmosphäre gewinnt die Rolle des Waldes als C-Speicher zunehmend an Bedeutung. Eine besonders wichtige Funktion kommt hierbei dem Boden zu, denn Böden speichern weltweit mehr C als Vegetation und boden zusammen (Brady and Weil, 2002). Im …
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Vegetational change resulting from forest conversion in the central Piedmont of Virginia and their implications for wildlife
Conversion of natural forest to loblolly pine plantations has become a common practice on commercial forest land in the central Piedmont of Virginia. To gain insight as to bow habitat conditions for wildlife vary over time, vegetation composition and structure were quantified in 21 converted stands …
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Identifying Forest Conversion Hotspots in the Commonwealth of Virginia using Multitemporal Landsat Data and Known Change Indicators
… starts within the Commonwealth of Virginia's forests. Individual NDVI images were stacked by year for the years 1995-2011 and the yearly maximum for each pixel was extracted, resulting in a 17-year image stack of all yearly maxima (a 98.7% data reduction). Using location data from housing …
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Soil Microbial Diversity and Litter Decomposition Increase with Time Since Land Use Disturbance in Tropical Montane Forests of Malaysian Borneo
<p>Logging and forest conversion are occurring at alarming rates in the tropical forests of Southeast Asia. These disturbances alter soil chemistry, microbial diversity, and disrupt carbon cycling through shifts in litter decomposition. Direct links between microbial diversity and soil properties …
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Forests and Farming: An analysis of rural livelihood programs for poverty reduction in eastern Zambia
… paper investigates the effectiveness of Joint Forest Management (JFM) and agricultural programs at reducing rural poverty in Zambia. Community-based natural resource management (CBNRM) programs in Africa have been aimed at improving livelihoods, creating tangible benefits, and increasing …
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Forests and Farming: An analysis of rural livelihood programs for poverty reduction in eastern Zambia
… paper investigates the effectiveness of Joint Forest Management (JFM) and agricultural programs at reducing rural poverty in Zambia. Community-based natural resource management (CBNRM) programs in Africa have been aimed at improving livelihoods, creating tangible benefits, and increasing …
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Understanding the impacts of land-use change and management decisions within oil palm on insect assemblages in Peninsular Malaysia and Borneo
… biodiversity hotspots, Southeast Asia’s rainforest is home to an extremely high density of species. However, the region has lost a high proportion of its rainforest as a result of logging and conversion to agriculture since the early 1970s, causing declines in species diversity across …
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Wild turkey responses to intensive pine management in Virginia's central piedmont
… were investigated on intensively managed pine forest of the Central Piedmont. Thirty-two adults and poults were captured with adult dosages of alpha-chloralose. Poults were easily sedated and usually recovered 1 day sooner than adults. The annual mortality rate for marked turkeys was 85%; …
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Forest Loss Trajectories and Palm Oil Extent in Indonesia
Tropical forests provide critically important ecosystem services, and they are particularly important for their levels of biodiversity and for the carbon that they store. Yet despite global efforts to slow or halt deforestation, natural forests in the tropics continue to be cleared, primarily for …
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Projecting agroforestry adoption and agroforestry water quality trading in the headwaters of the Chesapeake Bay, Virginia, USA
… quality impairment in the Chesapeake Bay. Agroforestry, the integration of trees with crops or livestock production, or both, achieves production and conservation objectives on a single plot of land. Agroforestry is recognized by the Chesapeake Bay Program's strategy as a means of reducing …
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Carbon storage during the regrowth and conversion of Virginia Piedmont forests
… by the combustion of fossil fuels and tropical deforestation may result in global warming. Carbon accumulation by regrowing temperate forests, in regions such as the southeastern United States, may have been extensive enough to counterbalance releases of carbon from the tropics. In the Virginia …
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Forest Change Dynamics Across Levels of Urbanization in the Eastern US
The forests of the eastern United States reflect complex and highly dynamic patterns of change. This thesis seeks to explore the highly variable nature of these changes and to develop techniques that will enable researchers to examine their temporal and spatial patterns. The objectives of this …
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Spatio-Temporal Connectivity in Dynamic Tropical Fragmented Landscapes
… been experiencing unprecedented amounts of forest conversion and fragmentation. As tropical forests harbor a large fraction of the worldâ s biodiversity, their loss and fragmentation has spearheaded the sixth mass extinction. Nevertheless, the tropical regions experience unique low intensity …
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Spatial and temporal variability of the soil saturated hydraulic conductivity in gradients of disturbance
As land-cover conversion continues to expand into ever more remote areas in the humid tropics, montane rainforests are increasingly threatened. In the south Ecuadorian Andes, they are not only subject to man-made disturbances but also to naturally occurring landslides. I was interested in the …
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Fire dynamics in Amazonia
… correlated with fragmentation and losses of forest area. In addition, we found indications that the removal of forest biomass and the age of forest conversion are dominant factors.</p>
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Linking Local Knowledge and Satellite-Derived Land-Use/Land-Cover Change Information In Krabi Province, Thailand
… development and sustainability of mangrove forest conversion in three coastal communities in Thailand. It presents a methodology that could potentially aid coastal communities in determining sustainable land use conversion approaches by considering the viewpoint of villagers. A remote …
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Oil palm expansion and land cover changes in the Peruvian Amazon: implications for forest conservation and fire mitigation
Land cover change is a major challenge for forest conservation in Amazonia. Forest cover loss and anticipated changes in climate are expected to increase fire incidence in Amazonia with detrimental consequences to human health, climate, and natural ecosystems. In this dissertation I developed …
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Canopy transpiration of beech forests in Northern Bavaria – Structure and function in pure and mixed stands with oak at colline and montane sites
… especially in the context of climate change, forest conversion and sustainable forestry. Very few investigations to date have quantified the canopy transpiration of mixed forest stands, and particularly of mixed stands of European beech and sessile oak. This study shows results of …
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Model-based analysis of climate change impacts on the productivity of oak-pine forests in Brandenburg
The relationship between climate and forest productivity is an intensively studied subject in forest science. This Thesis is embedded within the general framework of future forest growth under climate change and its implications for the ongoing forest conversion. My objective is to investigate the …
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Konkurrenzuntersuchungen und Wachstumsmodellierung in Waldumbaubeständen des Mittleren Erzgebirges
Die vorliegende Arbeit gliedert sich in zwei Hauptteile. Im ersten Teil werden verschiedene geometrische Konkurrenzindizes (CIs) auf ihre Eignung zur Abbildung der Konkurrenzverhältnisse in zweischichtigen Waldumbaubeständen aus Fichte (Picea abies (L.) Karst.) und Buche (Fagus sylvatica L.) hin …
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