Carbon And Nutrient Dynamics In Natural And Agricultural Tropical Ecosystems
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Carbon And Nutrient Dynamics In Natural And Agricultural Tropical Ecosystems
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Author : L. Bergström
language : en
Publisher:
Release Date : 1998
Carbon And Nutrient Dynamics In Natural And Agricultural Tropical Ecosystems written by L. Bergström and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Science categories.
Soil fertility is one of the most important factors regulating yield and productivity in both the agricultural and natural ecosystems of the tropics, and maintaining soil fertility has become a key challenge to sustainable development in this region. This book presents the ecological processes and management practices which affect soil fertility and then looks at ways to integrate this knowledge to develop economically feasible solutions. Based on a symposium held at the University of Zimbabwe in May 1996, the volume is partly the result of ten years of research by the Soil Biology and Fertility Project in Zimbabwe and includes contributions from researchers in Africa, Asia, Europe and North America. The book is divided into five sections covering nutrient dynamics in soil, decomposition of crop residues, tree-soil-crop interactions in agroforestry and in ecosystem dynamics, and prospects for the future. Essential reading for agronomists, soil scientists and ecologists studying the tropics, this volume is also an important reference for decision-makers in land use and development in tropical countries.
Carbon Sequestration In Agricultural Ecosystems
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Author : Klaus Lorenz
language : en
Publisher: Springer
Release Date : 2018-05-31
Carbon Sequestration In Agricultural Ecosystems written by Klaus Lorenz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-31 with Technology & Engineering categories.
A comprehensive book on basic processes of soil C dynamics and the underlying factors and causes which determine the technical and economic potential of soil C sequestration. The book provides information on the dynamics of both inorganic (lithogenic and pedogenic carbonates) and organic C (labile, intermediate and passive). It describes different types of agroecosystems, and lists questions at the end of each chapter to stimulate thinking and promote academic dialogue. Each chapter has a bibliography containing up-to-date references on the current research, and provides the state-of-the-knowledge while also identifying the knowledge gaps for future research. The critical need for restoring C stocks in world soils is discussed in terms of provisioning of essential ecosystem services (food security, carbon sequestration, water quality and renewability, and biodiversity). It is of interest to students, scientists, and policy makers.
Global Climate Change And Tropical Ecosystems
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Author : John M. Kimble
language : en
Publisher: Routledge
Release Date : 2019-04-04
Global Climate Change And Tropical Ecosystems written by John M. Kimble and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-04 with Technology & Engineering categories.
Tropical ecosystems - the regions between the tropics of Cancer and Capricorn - play an important role in global processes, economic issues, and political concerns. In their natural state, tropical ecosystems support a large quantity of above- and below-ground biomass, and constitute a major part of the terrestrial carbon pool. Conversion of the natural ecosystem to agriculture and forestry ecosystems disturbs this ecological balance. Global Climate Change and Tropical Ecosystems presents data on carbon pool fluxes from case studies in 12 countries in tropical regions. The chapters cover: Characteristics of tropical ecosystems Soil and biotic carbon pools Impacts of land use and soil management Slash-and-burn practices Crop residue and fertility management This volume adds to the understanding of pedospheric processes in tropical ecosystems and how to better use soils as a sink for carbon dioxide and other greenhouse gases. With Global Climate Change and Tropical Ecosystems you will understand the link between soil productivity, environmental quality and the global carbon cycle, not only in these ecologically sensitive regions but worldwide.
Agrosphere
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Author : K R Krishna
language : en
Publisher: CRC Press
Release Date : 2003-01-05
Agrosphere written by K R Krishna and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-01-05 with Technology & Engineering categories.
The book deals with agroecological aspects of nutrients essential to crop production. A new concept termed 'AGROSPHERE' has been introduced in the book. A brief description about agrosphere, its expanse, contrasting features and interactions with other ecospheres, global nutrient dynamics and food production trends within various agro ecosystems fo
Nutrient Cycling In Tropical Forest Ecosystems
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Author : Carl F. Jordan
language : en
Publisher:
Release Date : 1985-11-20
Nutrient Cycling In Tropical Forest Ecosystems written by Carl F. Jordan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985-11-20 with Business & Economics categories.
Brings together much of the recent literature on nutrient cycling due to conversion of forests to croplands, pastures, and plantation forests. It explains why nutrients are often very critical in tropical humid ecosystems and discusses principles that can guide land managers to conserve nutrients and sustain productivity.
Carbon Management In Tropical And Sub Tropical Terrestrial Systems
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Author : Probir K. Ghosh
language : en
Publisher: Springer Nature
Release Date : 2019-11-23
Carbon Management In Tropical And Sub Tropical Terrestrial Systems written by Probir K. Ghosh and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-23 with Nature categories.
Soil organic carbon (SOC), a key component of the global carbon (C) pool, plays an important role in C cycling, regulating climate, water supplies and biodiversity, and therefore in providing the ecosystem services that are essential to human well-being. Most agricultural soils in temperate regions have now lost as much as 60% of their SOC, and as much as 75% in tropical regions, due to conversion from natural ecosystems to agricultural uses and mainly due to continuous soil degradation. Sequestering C can help to offset C emissions from fossil fuel combustion and other C-emitting activities, while also enhancing soil quality and long-term agronomic productivity. However, developing effective policies for creating terrestrial C sinks is a serious challenge in tropical and subtropical soils, due to the high average annual temperatures in these regions. It can be accomplished by implementing improved land management practices that add substantial amounts of biomass to soil, cause minimal soil disturbance, conserve soil and water, improve soil structure, and enhance soil fauna activity. Continuous no-till crop production is arguably the best example. These soils need technically sound and economically feasible strategies to sustainably enhance their SOC pools. Hence, this book provides comprehensive information on SOC and its management in different land-use systems, with a focus on preserving soils and their ecosystem services. The only book of its kind, it offers a valuable asset for students, researchers, policymakers and other stakeholders involved in the sustainable development and management of natural resources at the global level.
Dynamics And Diversity
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Author : Ian Scoones
language : en
Publisher: Taylor & Francis
Release Date : 2010-09-23
Dynamics And Diversity written by Ian Scoones and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-09-23 with Nature categories.
Soils are critical to agriculture and, in turn, to food supply and livelihoods. Sustainable management of soils is crucial for a large proportion of the population of Africa. Contrary to many claims, soil fertility is improved and managed successfully by small-scale farmers there. Careful studies from widely different areas reveal how closely bound up soil management is with complex social, cultural and ecological factors - requiring a far more subtly tuned approach to development policy and practice. This work is a study of how the context of livelihood systems has to inform development policy and practice.
Tropical Ecosystems Structure Functions And Challenges In The Face Of Global Change
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Author : Satish Chandra Garkoti
language : en
Publisher: Springer Nature
Release Date : 2019-09-24
Tropical Ecosystems Structure Functions And Challenges In The Face Of Global Change written by Satish Chandra Garkoti and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-24 with Science categories.
The book brings together research topics having a broad focus on human and climate change impacts on the terrestrial ecosystems in the tropics in general and more specifically from the most significant and vulnerable Himalayan ecosystem. A total of 16 contributions included in the book cover a diverse range of global change themes such as the impacts of changing temperature and precipitation on soil ecosystems, forest degradation, extent and impacts of invasive species, plant responses to pollution, climate change impacts on biodiversity and tree phenology, environmental changes associated with land use, importance of traditional knowledge in climate change adaptation, timberline ecosystems, and role of integrated landscape modeling for sustainable management of natural resources. The book is a collective endeavour of an international multidisciplinary group of scientists focused on improving our understanding of the impacts of global change on the structure and functioning of tropical ecosystems and addressing the challenges of their future sustainable management. We hope that the book will help researchers working in the areas of ecology and environmental science to update their knowledge. We also expect that natural resource managers and policy planners will find explanations for some of their observations and hypotheses on multiple global change factors impacting tropical ecosystems and especially Himalayan ecosystems.
Tropical Fire Ecology
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Author : Mark Cochrane
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-04-11
Tropical Fire Ecology written by Mark Cochrane and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-04-11 with Science categories.
The tropics are home to most of the world’s biodiversity and are currently the frontier for human settlement. Tropical ecosystems are being converted to agricultural and other land uses at unprecedented rates. Land conversion and maintenance almost always rely on fire and, because of this, fire is now more prevalent in the tropics than anywhere else on Earth. Despite pervasive fire, human settlement and threatened biodiversity, there is little comprehensive information available on fire and its effects in tropical ecosystems. Tropical deforestation, especially in rainforests, has been widely documented for many years. Forests are cut down and allowed to dry before being burned to remove biomass and release nutrients to grow crops. However, fires do not always stop at the borders of cleared forests. Tremendously damaging fires are increasingly spreading into forests that were never evolutionarily prepared for wild fires. The largest fires on the planet in recent decades have occurred in tropical forests and burned millions of hectares in several countries. The numerous ecosystems of the tropics have differing levels of fire resistance, resilience or dependence. At present, there is little appreciation of the seriousness of the wild fire situation in tropical rainforests but there is even less understanding of the role that fire plays in the ecology of many fire adapted tropical ecosystems, such as savannas, grasslands and other forest types.
Mineral Nutrients In Tropical Forest And Savanna Ecosystems
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Author : J. Proctor
language : en
Publisher: Wiley-Blackwell
Release Date : 1989
Mineral Nutrients In Tropical Forest And Savanna Ecosystems written by J. Proctor and has been published by Wiley-Blackwell this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Business & Economics categories.
Tropical forest nutrients, where do we stands? A tour de horizon; Soil characteristics and classification in relation to the mineral nutrition of tropical wooded ecosystems; podelogical processes and nutrientsupplical soils; Variations in soil nutrients in relation to soil moisture ststus in a tropical forested ecosystem; Nitrification and humid tropical ecosystems: potential controls on nitrogen retention; The effect of humus acids and soil heating on the availability of phosphate in oxide-rich tropical soils; Factores affecting nutrient cycling in trpical soils; Mineral nutrients in some betwana savanna types; root symbioses of trees in savannas; Mineral nutrient dynamics during savanna-forest tranformation in central america; Mineral nutrients in tropical dry deciduous forest and savanna ecosystems in india; Mycorrhizas in tropical forest; Chemical relationships between vegetation, soil and water in contrasting inundation areas of amazonia; Are process rates higher in tropical forest ecosystems? Patterns of nutrient accumulation and release in amazonian forests the upper rio negro basin; Soil nutrients and plant secondary compouds; Chemical elements in forests on volcan barva, costa rica; A biossay study of soils in the blue mountains of jamaica; Nutrient effects of modification of shifting cultivare in west Africa; Role of weeds in nutrient cycling in the cropping phase of milpa agriculture in belize, central america; Mineralization of nutrients after forest clearance and their upteke during cropping; Nutrient dynamics in forest fallows in southe-east Asia; Nutriernt cycling in forest falows in nort-easteern India; The use mathematical models in the development of shifting cultivation systems; Nutritional constraintsin secondary vegetation and upland rice in south-west ivory coast; Nutryent cycling in moist tropical forests: the hydrological; fremework; The role of mineral nutrients in the tropics: a plant ecologist's view; Mineral nutrients in tropical ecosystems: a soil scientist's view.