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 9 of 9 for “"woody plant encroachment"”.
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Some consequences of woody plant encroachment in a mesic South African savanna
… mosaic of vegetation, and also investigates how woody plant encroachment is affecting ecosystem services in Hluhluwe Game Reserve, with a focus on biodiversity, carbon storage and recreation and tourism.
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Ecosystem Transformation Across a Changing Social Landscape: Landowner Perceptions and Responses to Woody Plant Encroachment
… of rural livelihoods. A global phenomenon, woody plant encroachment (WPE) has been particularly problematic in the Southern Great Plains of the United States where the actions of private landowners are integral to sustaining grasslands. Increased diversity in landowners’ motivations for …
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The effects of habitat change on bird diversity and community structure in a mesic Savanna landscape
… a break in the disturbance regime could promote woody plant encroachment. Though this might lead to an increase in habitat heterogeneity, the effects on biodiversity could be positive or negative. Habitat heterogeneity, in this context, can refer to vegetation variability or complexity at a range …
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DDRAD-seq based identification of genetic markers to facilitate the assessment of clonal versus sexual reproduction in dichrostachys cinerea
… in particular have experienced a rapid rise in woody plant encroachment, with D. cinerea often one of the major species held responsible, and it is a species of concern to local ecologists. While previous studies have investigated the various factors which contribute to woody plant encroachment …
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Evaluation of shrub removal effects on understory richness and diversity in a native grassland
… endangered ecosystem in North America, and woody plant encroachment is one of the leading stressors facing prairie remnants. Insights into factors that predict vulnerability and resistance to invasion and information concerning the most effective treatment combinations are needed to preserve …
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Sustainable management of semi-arid African savannas under environmental and political change
… degradation, which mostly occurs in form of woody plant encroachment. At this, I aim at finding viable sustainable management strategies and improving the general understanding of semi-arid savanna vegetation dynamics under conditions of extensive livestock production. Moreover, the influence …
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Evaluating biomass water storage and sap flux in three semi-arid tree species in central Texas
… oak or pine. Current policies suggest removal of woody brush such as juniper, will lead to an increase in water yield. Our results show that this may only be the case in certain circumstances. Our study showed daily wood water storage and withdrawal is highly dependent on VPD (water demand) and …
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Effects of Plant Invasions on Birds Breeding In Desert Grasslands
Over the past 150 years, encroachment by woody plants and invasions by nonnative grasses have altered the structure and composition of plant communities that once dominated desert and semidesert grasslands. These plant invasions have reduced the quantity and quality of habitat for many …
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Managing herbivory over space and time: consequences for vegetation and cattle responses in African rangelands
… alternative stable states, characteristic of woody plant encroachment (WPE) although this has not been tested at regional sales. Using three decades of satellite imagery, I found that woody plant cover has increased by 8% over sub-Saharan Africa and a diversity of drivers, other than CO2, were …