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 “"invasive tree species"”.
-
The Ecology of Invase tree species in Singapore
Invasive species have been recognized as one of the main threats to biodiversity. Invasive trees, however, are relatively understudied compared to other taxa, especially in Tropical East Asia. This study was conducted on invasive trees in Singapore: an ideal study site for tree invasions in …
-
Belowground success: Collembola as indicators of restoration progress following active and passive restoration
… South Africa, a predominantly semi-arid country, invasive tree species negatively impact the limited water resources by reducing runoff and disrupting water related ecosystem services. Private organizations, as well as the Western Cape government, have been clearing riparian areas of alien …
-
Vegetation management along roadside and railroad right-of-ways
… In a separate study, management of an emerging invasive tree species along roadside ROW's was determined. Callery pear (Pyrus calleryana) has escaped cultivation and invaded undisturbed areas such as roadsides and pastures from the mid-west to eastern United States. Experiments were initiated in …
-
Epidemiology and Ecology of Verticillium nonalfalfae: Application and intervention efforts to successfully manage tree-of-heaven and restore invaded sites
Ailanthus altissima, or tree-of-heaven, is a problematic invasive tree species distributed around the world. A. altissima was recently found to be susceptible to a soilborne vascular wilt fungus, Verticillium nonalfalfae, in both the United States and Europe. Research to date on its potential as a …
-
SURVIVAL IN THE FOREST UNDERSTORY: RESILIENCE AND RESISTANCE TO DAMAGE IN NATIVE AND INVASIVE WOODY PLANTS
… North America. Compared to co-occurring native species, invasive species exhibit greater productivity and resource use efficiency, but the extent to which plants are subject to tradeoffs between productivity and survival is unknown. Herbivory and freezing events are common sources of damage in …
-
Essays on Environmental Conditions in Cuba
… variable technique. The spread of the invasive tree species, sickle bush, known locally as marabu, appears to be an effect of the abandonment of sugarcane fields and may be an important factor to account for a substantial amount of measured forest cover, beyond reforestation efforts …
-
Influence of fire and habitat on the removal of invasive plant seeds by granivores in longleaf pine savannas
… fire-dependent ecosystems by exotic woody plant species can disrupt fire cycles and alter successional trajectories. Prescribed fire is an important tool for managing such ecosystems, yet the role of top-down processes in mediating fire effects on invasion remain poorly understood. Fire may …