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 7 of 7 for “"biomass change"”.
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Temporal, spatial, spectral and polarisation characteristics of the SAR backscatter from regenerating tropical forests
… to understand and predict future environmental change is dependent on knowing the strength of terrestrial sinks and sources of carbon. Regenerating tropical forests are one of the major terrestrial carbon sinks as they are found growing quickly and are sequestering carbon from the atmosphere. …
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Investigating Nekton Response to Changing Salinities in the Mississippi Sound: An Experimental and Statistical Approach
… experiments were used to quantify survival, biomass change, and caloric content of grass shrimp (<em>Palaemon spp.</em>), an important prey species, under different combinations of salinity and temperature. Salinities between 2-20 and a temperature of 26°C were optimal for grass shrimp, and …
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Mapping vegetation with remote sensing and GIS data using object-based analysis and machine learning algorithms
… a new method using OBIA for mapping the biomass change of mangrove forests in Vietnam between 2000 and 2011 from SPOT images. First, three different mangrove associations were identified using two levels of image segmentation followed by a SVM classifier and a range of spectral, texture …
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A Study of the Ecological Factors Influencing the Efficiency of the Activated Sludge System for Treating Organic Wastes
… tests were employed to determine the effect of changes in plant layout, biomass loading, characteristics of the sewage feed, and degree of discontinuity of oxygen input. Methods were developed for the quantitative extraction and study of bacterial exocellular polymers from activated sludge, and …
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Ecosystem-atmosphere exchange of carbon dioxide and water vapour in typical East-Asian croplands
… Under the current climate and environmental changes, the role of cropland ecosystems in the surface-atmosphere energy and matter exchange has drawn a lot of attention. This thesis investigated the potential change on ecosystem-atmosphere exchange of heat, water vapour and carbon dioxide if …
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Biodiversity-ecosystem service relationships in degraded and recovering ecosystems.
… water quality and water provision? 2. How do changes in species richness affect this ecosystem service provision? 3. How do these changes relate to the woodiness and traits of invasive and native dominant species, and the type of ecosystem invaded? 4. What factors drive differences in residual …
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Patterns and processes in tropical forests: an analysis of forest structure and function from long-term permanent plots in Venezuela, Northern South America
… on the potential effects that climate change may have for terrestrial ecosystems. Thus, management policies, including conservation and restoration might be largely benefited from the results of this type of research. This study is based on long-term data collected from tree populations …