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 10 of 10 for “"natural succession"”.
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Examining the Cover and Composition of the Successional Vegetation Mosaic of Pre-SMCRA Mined Landscapes in Southeast Ohio
… influencing the cover and composition of the successional vegetation mosaic. Transects were surveyed on opposing north- and south-facing aspects within each mine to comprehensively characterize the vegetative community. Statistical analysis strongly indicated that measures of vegetation cover …
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Plant community patterns and diversity in sites impacted by Eucalyptus camuldulensis Dehnh. : insights from the Berg River, Western Cape / Alison Midgley
… invasive species and the potential for passive successional restoration in a heavily invaded riparian site (>80% aerial cover), a cleared riparian site and a pristine reference site. Three plots were demarcated per site, and transects were taken perpendicular to the river on the lower, middle …
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CONSEQUENCES OF ALTERED BURN REGIMES ON PLANT COMMUNITY DIVERSITY IN THE PINEYWOODS OF EAST TEXAS
… to restoring forest health, species diversity, natural succession regimes, and reduction of some invasive species. Studies on the effect of fire frequencies on southern pine understory plant communities have revealed increased plant diversity and richness in response to fire, particularly in …
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Parc Penallta Phase 1 Habitat Survey and Implications for Management
… planting, agricultural improvement or natural succession. Rare species such as the Marsh Fritillary butterfly and the Deptford Pink are found in the park; a testament to the importance of appropriate management in order to protect the habitats for these important species. The Phase 1 …
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Effectiveness of UK Legislation and Management in Producing Nature Conservation Outcomes: a Case Study of the Purbeck Heaths
… reserve is to restore the Purbeck Heath to its natural habitat and increase overall biodiversity through landscape-scale management. The Purbeck Heath covers designated protected areas such as Sites of Special Scientific Interest (SSSI), Special Areas of Conservation (SAC), Special Protected …
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The Use of Veld Restoration Techniques for Rehabilitating Degraded Waterberg Mountain Bushveld in Lapalala Wilderness Reserve, Limpopo Province
The natural rangelands of southern Africa have undergone significant degradation due to human and climatic activities. Fortunately, rehabilitation measures have been extensively researched and are available to address this issue. A variety of techniques exist to remedy the damage done to our …
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Reclamation of surface-mined forest land in the southern Appalachians
… return to forest, either by design or through natural succession. The usefulness of forests on reclaimed surface-mined land for providing timber management opportunities depends on whether or not the land is reclaimed in a manner which creates a productive forest soil. Surveys of tree plantings …
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Financial Analysis of Restoring Sustainable Forests on Appalachian Mined Lands for Wood Products, Renewable Energy, Carbon Sequestration, and Other Ecosystem Services
… grasslands and scrublands in various stages of natural succession located throughout otherwise forested mountains in the U.S. The purpose of this study is to develop a framework for understanding/calculating the economic implications of converting these reclaimed mined lands to forests under …
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Ecological succession on abandoned farmland and its relationship to wildlife production in Cumberland County, Virginia
… most adequately the needs of any animal species. Natural habitats are constantly undergoing many changes in response to external influences. These changes are usually very slow but almost invariably take place in a series of integrating, but well defined steps when the pattern is unaltered by the …
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Time series analysis of limber pine (Pinus flexilis) health in the U.S. Rocky Mountains in response to white pine blister rust (Cronartium ribicola) and bark beetles
… tree species, it may be favorable to allow the natural succession of other tree species to become dominant. However in xeric, harsh sites where limber pine is a climax species, these highly impacted areas are at-risk for losing all tree cover and should be considered for protective and …