Competition Impacts On Hybrid Poplar And Implications For Alternative Establishment Systems
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Forest Degradation and Management
Forest Degradation and Management - An Indian Perspective provides an overview of the dynamics and challenges surrounding forest degradation in India. It reveals the harmful impacts of human activity on natural resources, ecosystems, and communities, and emphasizes the urgent need for sustainable forest management practices. The book is divided into four parts, each offering a different perspective on forest degradation. Part I presents an overview of forest degradation in India, including a comparative analysis of assessment tools. Part II explores the ecological impacts of forest degradation on ecosystems. Part III is dedicated to societal aspects, examining the consequences of human activity such as cultivation, eco-tourism, resource utilization, and deforestation, while also analyzing the impact of forest degradation on forest-dependent communities. Part IV focuses on mitigation strategies, highlighting the role of protected areas, governance, policies, and participatory approaches. This volume within the book series Forestry Sciences is an invaluable resource for students, researchers, policymakers, and conservationists seeking to tackle the complex challenges of forest degradation. It provides knowledge and practical insights to inform decision-making processes, guide sustainable forest management strategies, and promote responsible land use practices.
Competition Impacts on Hybrid Poplar and Implications for Alternative Establishment Systems
The effects of different vegetation control practices on tree-weed interactions and associated establishment and early tree growth were investigated in 1-3 year old hybrid poplar plantations containing Walker poplar (Populus deltoides x (P. laurifolia x P. nigra)) and its progeny Okanese poplar (Walker x (P. laurifolia x P. nigra)). Two field experiments were established on research sites in northeastern Alberta during two years (2012-2013). Tree survival and growth, herbaceous vegetation cover and composition, soil nutrient availability, soil water content, soil temperature and light availability were measured over two growing seasons. Results showed that an extended full year of chemical and mechanical site preparation prior to tree planting reduced weed impacts on resource availability and improved tree performance. Improved biotic and abiotic growing conditions included the sustained control of understory vegetation, in particular competitive perennial forbs and graminoids, as well as increased availability of light and nutrients. Results also highlighted the need to effectively control perennial rather than annual herbaceous competitors. The findings further demonstrated a spatial and temporal shift in the competitive effects of neighboring vegetation. Trees competed primarily aboveground with weeds (i.e. for light) near the stem (
Tree Planters' Notes
Some no. include reports compiled from information furnished by State Foresters (and others).