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 12 of 12 for “"landscape diversity"”.
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The influence of woodlot size and location in suburban and rural matrices on bird species richness and individual abundance
… 2004 and 2005 and spring 2005. Woodlot area and landscape composition were analyzed using GIS software. In winter, resident species richness and abundance increased as landscape diversity increased, whereas in spring, resident species richness decreased with increased landscape openness and …
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Dynamics of two South African floodplain forests
Riverine systems are an important component of landscape diversity because of the interaction of biodiversity patterns, disturbance regimes and environmental gradients therein. They stabilise migrating river channels and ameliorate hydrological extremes. Concern is growing over the degradation of …
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The development of geomorphic and hydraulic complexity within streams and its influence on fish communities following glacial recession in Glacier Bay, Alaska
Studies of landscape development via primary successional processes are an important area of research for understanding how landscapes evolve into stable, diverse ecosystems. This research sought to assess how geomorphic and hydraulic complexity alter as streams develop following glacial recession. …
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Dynamics of land use and land cover changes in China
… Shandong provinces. I study trade-offs between landscape diversity and crop production, between grassland quality and livestock production, and between net primary productivity (NPP, a measure of the energy that enters ecosystems) and urbanization. After reviewing trade-off analyses of ecosystem …
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Exploring regionalization techniques: Simulation and application in ecology
… and indices to three simulated datasets, or landscapes, generated with low, medium, and high amounts of variation. There, I compare the performance if different combinations of regionalization algorithms and cluster optimization indices across this range of landscape variation. I demonstrate …
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Tenoroc State Recreation Area: a conceptual master plan study
… systems with an emphasis on wildlife habitat and landscape diversity. 2 To provide for safety and recreation of visitors and staff, and 3. To develop a plan for a unique, educational and recreational experience that will fulfill the objectives of the Florida Department of Natural Resources. The …
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The Isle of Wight in the English landscape: Medieval and Post-Medieval rural settlement and land use.
… aims to place the Isle of Wight in the English landscape. It examines the much discussed but problematic concept of ‘islandness’, identifying distinctive insular characteristics and determining their significance but also investigating internal landscape diversity. This is the first detailed …
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Wild Foods for Sustainable Food Security and Nutrition
… Within this, retaining and promoting landscape diversity, particularly the maintenance of forests and trees within agricultural landscapes, has become a particular point of interest. This thesis focuses on a particular aspect of such debates, offering novel empirical insights on the …
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Landscape-scale mechanisms of biological pest control in a South Korean agricultural landscape
… of how to manage this service in real-world landscapes is limited by our lack of knowledge of the factors determining landscape-scale pest control, enemy diversity and the relationship between the two. In order to clarify how biological control is provided at large spatial scales, and how it …
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MULTIFUNCTIONAL EVALUATION AND VALIDATION OF PRACTICES, TOOLS AND INNOVATIVE MODELS FOR THE LANDSCAPE AND AGROECOLOGICAL MANAGEMENT OF AGRICULTURAL SYSTEMS: TRADE-OFFS AND SYNERGIES IN THE ECOSYSTEM SERVICES FRAMEWORK
BACKGROUND. Severe agrobiodiversity loss trends are ongoing, altering the agroecosystem regulating processes. Biodiversity loss is both a consequence and driver of the current ecological crisis. Among rural systems, it is a pivotal driver of agroecosystems vulnerability and lack of resilience. …
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Integrated water design for a decentralized urban landscape: [text and figures]
… Veneto Città Diffusa, the decentralized urban landscape of the Veneto Region, Northeast Italy, the economic growth of recent decades brought about increased urbanization and agricultural intensification. The process of change has been accompanied by the extension and/or maximization of …
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Factors Affecting White-tailed Deer Recruitment in Virginia
… the past twenty years concurrent with changes in landscape, deer harvest strategies, and increasing and expanding black bear (<i> Ursus americanus </i>) and coyote (<i> Canis latrans </i>) populations. Most studies have addressed this problem at small spatial and temporal scales and in areas where …