Download or read book Tree Diversity Analysis written by R. Kindt and published by World Agroforestry Centre. This book was released on 2005 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Forest Diversity and Function written by Michael Scherer-Lorenzen and published by Springer Science & Business Media. This book was released on 2005-12-17 with total page 411 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the central research themes in ecology is evaluating the extent to which biological richness is necessary to sustain the Earth's system and the functioning of individual ecosystems. In this volume, for the first time, the relationship between biodiversity and ecosystem processes in forests is thoroughly explored. The text examines the multiple effects of tree diversity on productivity and growth, biogeochemical cycles, animals, pests, and disturbances. Further, the importance of diversity at different scales, ranging from stand management to global issues, is considered. The authors provide both extensive reviews of the existing literature and own datasets. The volume is ideally suited for researchers and practitioners involved in ecosystem management and the sustainable use of forest resources.
Download or read book An Analysis of the Temporal Dynamics in Tree Species Diversity for Major Tree Taxa of Two States in the Midsouth USA written by James Forrest Rosson and published by . This book was released on 1999 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Forest Diversity and Function written by Michael Scherer-Lorenzen and published by Springer. This book was released on 2004-10-21 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the central research themes in ecology is evaluating the extent to which biological richness is necessary to sustain the Earth's system and the functioning of individual ecosystems. In this volume, for the first time, the relationship between biodiversity and ecosystem processes in forests is thoroughly explored. The text examines the multiple effects of tree diversity on productivity and growth, biogeochemical cycles, animals, pests, and disturbances. Further, the importance of diversity at different scales, ranging from stand management to global issues, is considered. The authors provide both extensive reviews of the existing literature and own datasets. The volume is ideally suited for researchers and practitioners involved in ecosystem management and the sustainable use of forest resources.
Download or read book Dendroecology written by Mariano M. Amoroso and published by Springer. This book was released on 2017-12-12 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dendroecologists apply the principles and methods of tree-ring science to address ecological questions and resolve problems related to global environmental change. In this fast-growing field, tree rings are used to investigate forest development and succession, disturbance regimes, ecotone and treeline dynamics and forest decline. This book of global scope highlights state-of-the-science dendroecological contributions to paradigm-shifts in our understanding of ecophysiology, stand dynamics, disturbance interactions, forest decline and ecosystem resilience to global environmental change and is fundamental to better managing our forested ecosystems for the full range of ecosystem goods and services that they provide.
Download or read book Investigating Trends and Processes that Impact Tree Species Diversity of Southern Forests at the Landscape Level written by Andrew J. Hartsell and published by . This book was released on 2017 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Global biodiversity is currently being threatened by multiple anthropogenic sources. The increase in genetically modified, artificially regenerated forests has raised concerns that this management scheme may be a source of species loss. This study investigates the impacts of urbanization, agricultural development, and southern yellow pine plantation establishment on tree species evenness, Shannon-Wiener index, and Simpson's index of forest communities within the Gulf Coastal Plain of the southeastern United States. The impacts of varying spatial scale on possible predictors was investigated by utilizing nested watersheds from the Watershed Boundary Dataset (WBD). Techniques used in the analysis included Getis-Ord Gi* analysis, Local Moran's I, non-metric multidimensional scaling (NMS), multiple response permutation procedures, (MRPP) and spatial lag, spatial error, and geographically weighted regression techniques using ArcGIS, GeoDa, and PC-Ord software. The U.S. Forest Service Forest Inventory and Analysis inventory data were used as the source of all tree species data. The 100-meter resolution elevation raster data from the U.S. Geological Survey provided elevational data, while the 1992 200-meter national land cover data (NLCD) were used to derive land use patterns. The 1981-2010 parameter regressions on independent slopes model (PRISM) provided climatic data. All raster data were averaged to watershed basin. Conclusions from this study are 1) watersheds can be used for nested studies; 2) HUC04 and HUC06 watersheds are appropriate scales for FIA data and tree diversity studies; 3) forest area, productivity, and elevation are positively correlated to most diversity measures; 4) the Pine Belt has been repeatedly disturbed due to anthropogenic activity; 5) tree species diversity is impacted by these disturbances; 6) these impacts can be both positive and negative, as many disturbances increase species richness; 7) plantations increase the number of species, perhaps due to edge effects from management; and 8) increasing plantations has a negative impact on both Shannon's diversity index and Simpson's index as both decreases with plantation acreage.
Download or read book Phylogenetic Diversity written by Rosa A. Scherson and published by Springer. This book was released on 2018-08-31 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: “Biodiversity” refers to the variety of life. It is now agreed that there is a “biodiversity crisis”, corresponding to extinction rates of species that may be 1000 times what is thought to be “normal”. Biodiversity science has a higher profile than ever, with the new Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services involving more than 120 countries and 1000s of scientists. At the same time, the discipline is re-evaluating its foundations – including its philosophy and even core definitions. The value of biodiversity is being debated. In this context, the tree of life (“phylogeny”) is emerging as an important way to look at biodiversity, with relevance cutting across current areas of concern – from the question of resilience within ecosystems, to conservation priorities for globally threatened species – while capturing the values of biodiversity that have been hard to quantify, including resilience and maintaining options for future generations. This increased appreciation of the importance of conserving “phylogenetic diversity”, from microbial communities in the human gut to global threatened species, has inevitably resulted in an explosion of new indices, methods, and case studies. This book recognizes and responds to the timely opportunity for synthesis and sharing experiences in practical applications. The book recognizes that the challenge of finding a synthesis, and building shared concepts and a shared toolbox, requires both an appreciation of the past and a look into the future. Thus, the book is organized as a flow from history, concepts and philosophy, through to methods and tools, and followed by selected case studies. A positive vision and plan of action emerges from these chapters, that includes coping with inevitable uncertainties, effectively communicating the importance of this “evolutionary heritage” to the public and to policy-makers, and ultimately contributing to biodiversity conservation policy from local to global scales.
Download or read book Biodiversity and Conservation of Woody Plants written by M. R. Ahuja and published by Springer. This book was released on 2017-11-21 with total page 513 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides complete, comprehensive, and broad subject-based reviews for students, teachers, researchers, policymakers, conservationists, and NGOs interested in the biodiversity and conservation of woody plants. Forests cover approximately 31 percent of the world’s total landmass; 93 percent is natural forest and only 7 percent consists of planted trees. Forest decline is progressing at an alarming rate worldwide. In addition to human activities (logging, deforestation, and exploiting forest lands for agriculture and industrial use), a number of other factors – including pests and diseases, drought, soil acidity, radiation, and ozone – are cumulatively contributing to global forest decline. The present situation forces us to focus on forest conservation strategies for the present and future. Gene conservation and maintaining genetic diversity in forest ecosystems are crucial to the preservation of forest genetic resources. This calls for integrated action to implement both the in situ (on site) preservation of forest stands and ex situ (distant from the original site) strategies for the conservation of woody plants’ genetic resources. Selected priority areas include: 1) assessing patterns of genetic diversity and threats, 2) understanding the biological processes regulating genetic diversity, 3) assessing the impact of human activities and climate change on genetic diversity, and 5) finding methods for prioritizing species and populations for the conservation of forest trees genetic resources. All chapters were written by leading scientists in their respective fields, which include: woody plant diversity, ecology and evolution; assessment of genetic diversity in forest tree populations; conservation planning under climate change; and in situ and ex situ strategies, including biotechnological approaches, for the conservation of woody plants genetic resources.
Download or read book The Atlantic Forest written by Marcia C. M. Marques and published by Springer Nature. This book was released on 2021-01-13 with total page 527 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Atlantic Forest is one of the 36 hotspots for biodiversity conservation worldwide. It is a unique, large biome (more than 3000 km in latitude; 2500 in longitude), marked by high biodiversity, high degree of endemic species and, at the same time, extremely threatened. Approximately 70% of the Brazilian population lives in the area of this biome, which makes the conflict between biodiversity conservation and the sustainability of the human population a relevant issue. This book aims to cover: 1) the historical characterization and geographic variation of the biome; 2) the distribution of the diversity of some relevant taxa; 3) the main threats to biodiversity, and 4) possible opportunities to ensure the biodiversity conservation, and the economic and social sustainability. Also, it is hoped that this book can be useful for those involved in the development of public policies aimed at the conservation of this important global biome.
Download or read book Continuous Cover Forestry written by Timo Pukkala and published by Springer Science & Business Media. This book was released on 2011-10-14 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the majority of the world’s forest ecosystems are dominated by uneven-sized multi-species stands, forest management practice and theory has focused on the development of plantation monocultures to maximize the supply of timber at low cost. Societal expectations are changing, however, and uneven-aged multi-species ecosystems, selectively managed as Continuous Cover Forestry (CCF), are often believed to be superior to monocultures in addressing a wide range of expectations. This book presents methods which are relevant to CCF management and planning: analysing forest structures, silvicultural and planning, economic evaluation, based on examples in Europe, Asia, Africa and North and South America.
Download or read book Patterns of Street Tree Diversity and Density Across a Scocioeconomic Gradient in California Cities written by Lilian Chou and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Urbanization, the process of humans converting natural landscapes into developed areas, usually results in homogenized landscapes in cities. Many cities, despite differences in sizes and locations, plant, cultivate, and maintain urban forests. Previous studies have mapped urban forest tree canopies and explored the luxury effect hypothesis, which describes greater biodiversity in wealthier communities. Building on these findings, I tested the luxury effect with a focus on street trees, which are public resources planted in cities rights-of-way, and are a subcomponent of the total urban forest. I tested whether street tree total, density, diversity, and DBH varied across a socioeconomic gradient within six California cities: Anaheim, Berkeley, Los Angeles, Palo Alto, Pasadena, and San Francisco. I had two objectives for my analysis: (1) to quantify patterns of street tree distributions across cities, and (2) within cities. My second objective is designed to discern whether cities of varying sizes and management policies, influence street tree patterns. For my first objective, results show positive relationships between tree density and tree total to median income, but a negative relationship between tree species richness and median income. For my second objective, statistically significant results show positive relationships between median income and tree density and tree total, but show negative relationships between median income and tree species richness in all six cities. The resulting analyses generally support the luxury effect across cities (objective 1), with results within cities (objective 2) mirroring the across all cities analyses. In addition, analyzing patterns within cities reveals the differences between socioeconomic ranges within cities, indicating that urban foresters and other stakeholders should consider whether areas of high and low income are receiving equal treatment.
Download or read book Causes and Consequences of Species Diversity in Forest Ecosystems written by Aaron M. Ellison and published by MDPI. This book was released on 2019-07-30 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue Causes and Consequences of Species Diversity in Forest Ecosystems that was published in Forests
Download or read book Biological Diversity written by Michael A. Huston and published by Cambridge University Press. This book was released on 1994-09-15 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt: The key to preserving and managing biodiversity is understanding which processes are important at different scales, and how changes affect different components of biodiversity. In this book, existing theories on diversity are synthesised into a logical framework. Global and landscape-scale patterns of biodiversity are described in the first section. In the second, the spatial and temporal dynamics of diversity are emphasised. The third section develops an integrated set of mechanistic explanations for diversity patterns at the levels of population, community, ecosystem and landscape. Finally, case studies examine diversity patterns in marine and terrestrial ecosystems and the effects of biological invasions. The book concludes with a discussion of the economics of preserving biological diversity. This book will interest research workers and students of ecology, biology and conservation.
Download or read book Biogeography written by Joy Tivy and published by Routledge. This book was released on 2018-10-08 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: The third edition of this classic text, presents a broad-based study of the variations in the form and functioning of the biosphere at regional and global scale.
Download or read book Biodiversity in Dead Wood written by Jogeir N. Stokland and published by Cambridge University Press. This book was released on 2012-04-26 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive overview of wood-inhabiting fungi, insects and vertebrates, discussing habitat requirements along with strategies for maintaining biodiversity.
Download or read book Handbook of Functional Plant Ecology written by Francisco Pugnaire and published by CRC Press. This book was released on 1999-03-10 with total page 928 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Offers the latest findings and research breakthroughs in plant ecology, as well as consideration of classic topics in environmental science and ecology. This wide-ranging compendium serves as an extremely accessible and useful resource for relative newcomers to the field as well as seasoned experts. Investigates plant structure and behavior across the ecological spectrum, from the leaf to the ecosystem levels."
Download or read book Biodiversity Conservation and Phylogenetic Systematics written by Roseli Pellens and published by Springer. This book was released on 2016-02-24 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is about phylogenetic diversity as an approach to reduce biodiversity losses in this period of mass extinction. Chapters in the first section deal with questions such as the way we value phylogenetic diversity among other criteria for biodiversity conservation; the choice of measures; the loss of phylogenetic diversity with extinction; the importance of organisms that are deeply branched in the tree of life, and the role of relict species. The second section is composed by contributions exploring methodological aspects, such as how to deal with abundance, sampling effort, or conflicting trees in analysis of phylogenetic diversity. The last section is devoted to applications, showing how phylogenetic diversity can be integrated in systematic conservation planning, in EDGE and HEDGE evaluations. This wide coverage makes the book a reference for academics, policy makers and stakeholders dealing with biodiversity conservation.
