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 66 for “"Desertification"”.
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Grains of truth : science and the evolution of international desertification policymaking
… changing perceptions of dryland degradation (desertification) as revealed through twentieth century intergovernmental policies. Between the 1930s and 1990s these policies reflected markedly different ideas regarding the nature of the problem (e.g., global or local), its causes (e.g., natural …
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Mapping desertification: towards an approach for mapping regional land degradation in drylands
Land degradation in drylands (desertification) is an issue that potentially impacts nearly half of the world's human population living on over a third of the Earth's land surface. Despite global concern of the impact of desertification on people and the environment, there is no universal method to …
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Determining land use change and desertification in China using remote sensing data
Desertification, the spread of desert-like conditions in arid or semiarid areas due to human influence or to climatic change, affects most arable land in arid and semi-arid China. This project provides an analysis of desertification in northeastern arid and semi-arid China to determine its spatial …
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Plant redistribution and desertification due to subsidence fissures in the Willcox area, Arizona
Call number: LD2668 .T4 1984 L39
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Monitoring desertification in south west Tripoli using multi-temporal remotely sensing data and GIS
… for the study of desert environments and desertification monitoring, assessment and mapping. In Libya, the vast agricultural development which occurred during the last decades was accompanied by desertification ofdifferent areas. Desertification varied in type and degree according to the …
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Spectral Mixture Analysis for Monitoring and Mapping Desertification Processes in Semi-arid Areas in North Kordofan State, Sudan
… ETM+)were used for monitoring and mapping the desertification processes in North Kordofan State, Sudan.A liear mixture model (LMM) was adopted to analyse and the desertification proccesses by using the image endmembers. interpretation of ancillary data and field observation was adopted to …
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Healing Diné, restoring Diné Bikéyah: Desertification mitigation and indigenous cultural renewal through traditional agriculture practices on the Navajo Nation
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms
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Cabaceiras: uma análise dos aspectos físicos e do uso da terra como fatores agravantes da Desertificação.
This work makes an analysis of desertification at the city of Cabaceiras, located at the cariri of Paraiba through so a historical survey of the use and occupation of the land since the colonial Brazil up to nowadays, as for an analysis of phytosociological dates through of transects in certain …
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Institutional interplay in global environmental governance
… area of climate change, biodiversity, and desertification. Due to substantial environmental and political linkages, there are interrelations between the three regimes. This study seeks to examine the inter-institutional relationship between the United Nations Framework Convention on Climate …
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The roles of exotic and native tree species in preventing desertification and enhancing degraded land restoration in the north east of Libya. Reciprocal effects of environmental factors and plantation forestry on each other, assessed by observations on growth and reproductive success of relevant tree species, and environmental factors analysed using multivariate statistics.
… zones of the Mediterranean are affected by desertification, resulting from various factors, including climatic variations and human activities such as overcultivation, overgrazing and deforestation. Afforestation programs are one of the most effective means in preventing desertification. For …
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Common property regimes and land reform in Namibia : a case study of Skoonheid, Omaheke region
… commissioned by the Namibian Programme to Combat Desertification (NAPCOD) through the Namibian Ministry of Environment and Tourism (MET).
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Sensitivity of Precipitation to Land-use Changes in a Regional Climate Model of West Africa
… zone, north of which there is less rainfall. Desertification increases both the PBL and LCL heights, but the increase in LCL is greater. This pushes the cloud base higher than the PBL, preventing cloud formation and rainfall. However, the simulated rainfall changes do not mirror this …
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MONITORAMENTO DO SOLO EM ÁREAS DEGRADADAS EM PROCESSO DE RECUPERAÇÃO NO MUNICÍPIO DE SÃO JOÃO DO CARIRI. SEMIÁRIDO PARAIBANO
Desertification is an environmental problem that degrades lands susceptibles to the actions of arid, semi-arid and dry subhumid climates, however it is a consequence of human activities or natural factors. In Brazil, the areas that are susceptible to desertification are found in great part within …
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Towards a model for environmental assessment and management of boreholes in communal areas in Namibia
… prepared for the Namibian Programme to Combat Desertification (NAPCOD), which researched the process, praxis and environmental impacts of borehole provision in communal areas in Namibia (ENGEO, 1997).¹ This dissertation is a response to this concluding statement. It presents a theoretical model …
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Sustainable natural resource management in regional ecosystems : case studies in semi-arid and humid regions
… assessment of the most sensitive areas to desertification, and evaluation of land capability for agricultural use were required. Using multi-temporal remotely-sensed data in the Bustan 3, the results indicated that this area had been drastically changed from 100% barren desert land to 79% …
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Burkina Faso: The Effects of Environmental Migration on the Implementation of Agro-ecological methods, Exchanges and Cooperation
… have left their home villages due to drought and desertification. Furthermore, villages where land rights were secured by monetization rather than customary tenure experienced more cooperation between locals and migrants and with the extension services.
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Palynological analysis from a bush karoo rat (Otomys unisulcatus) lodge near Prince Albert, South Africa
The "desertification" debate surrounding the Karoo Biome of South Africa has recently inspired much research in this region. The preservation of pollen in middens in arid environments from different parts of the world has great potential for the reconstruction of past vegetation. A lodge of the …
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Analysis of Error in a Model Predictive Irrigation Controller
… the world’s agricultural land are vulnerable to desertification, leading to water shortages and changing climate conditions. Smart irrigation controllers could be part of the solution by helping farmers save water and adapt to changing climate without sacrificing yield. This thesis presents an …
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Análise de áreas desertificadas nos Cariris Velhos - PB.
This paper addresses the issue of desertification, be characterized by a sort of degradation likely to occur in areas of arid, semiarid and dry sub-humid, resulting from climate change and human attitudes, showing a direct relationship to vegetation and soils. For its development, three techniques …
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