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Tropical And Sub Tropical West Africa

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Tropical and sub tropical West Africa Marine and continental changes during the Late Quaternary

Tropical and sub tropical West Africa   Marine and continental changes during the Late Quaternary Book
Author : P. Giresse
Publisher : Elsevier
Release : 2007-11-30
ISBN : 9780080556031
Language : En, Es, Fr & De

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Book Description :

West Africa and the eastern Atlantic stretching from Mauritania in the north to Namibia in the south offer a large latitudinal stretch incorporating nearly symmetrical climatic gradients from the Equator. On the time scale of Quaternary Glacial and Interglacial cycles, today, we possess well-documented and recently published marine sedimentary records showing changes in oceanic and atmospheric circulations and terrestrial fluxes. Deep-sea sediment records contain a wide range of palaeoenvironmental indicators like oxygen and carbon isotopes, alkenones, foraminiferal and other planktonic assemblages over time periods up to and greater than 125,000 years. These are signals of temperature and circulation shifts and allow Interglacial and Glacial comparisons on a regional and inter-hemispheric scale. However, this effort to synthesize the existing knowledge cannot yet aspire to a global modelling. Linking with terrestrial records, albeit spatially patchy and generally lacking a firm chronology, this book points to shorter time scale chronologies from lakes, marshes and river deposits. Diverse and not very wellknown literature, both French and English, is reported here. Lastly, the book records recent knowledge of the first steps of human occupation of frequently hostile environments and considers the environmental impact of ancient and modern societies. * Covers the recent studies about marine Quaternary environments off West Africa, as well as continental Quaternary environments of tropical and sub-tropical West Africa (over 10,000 to 100,000 years) * Compares the parallel between palae-oenvironmental trends according to latitudinal gradients

Meteorology of Tropical West Africa

Meteorology of Tropical West Africa Book
Author : Douglas J. Parker,Mariane Diop-Kane
Publisher : John Wiley & Sons
Release : 2017-02-13
ISBN : 1118391276
Language : En, Es, Fr & De

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Book Description :

Meteorology of tropical West Africa: the Forecasters’ Handbook presents the science and practice of weather forecasting for an important region of the tropics. Connecting basic theory with forecasting practice, the book provides a unique training volume for operational weather forecasters, and is also suitable for students of tropical meteorology. The West African region contains a number of archetypal climatic zones, meaning that the science of its weather and climate applies to many other tropical regions. West Africa also exhibits some of the world’s most remarkable weather systems, making it an inspiring region for students to investigate. The weather of West Africa affects human livelihoods on a daily basis, and can contribute to hardship, poverty and mortality. Therefore, the ability to understand and predict the weather has the potential to deliver significant benefits to both society and economies. The book includes comprehensive background material alongside documentation of weather forecasting methods. Many examples taken from observations of West African weather systems are included and online case-studies are referenced widely.

The New Encyclopedic Atlas and Gazetteer of the World

The New Encyclopedic Atlas and Gazetteer of the World Book
Author : P.F. Collier & Son Corporation
Publisher : Unknown
Release : 1907
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download The New Encyclopedic Atlas and Gazetteer of the World book written by P.F. Collier & Son Corporation, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Meteorology of Tropical West Africa

Meteorology of Tropical West Africa Book
Author : Douglas J. Parker
Publisher : John Wiley & Sons
Release : 2017-04-24
ISBN : 1118391306
Language : En, Es, Fr & De

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Book Description :

8.1.6.2 Prediction of meningococcal meningitis in the West Africa dry season

Carbon Management in Tropical and Sub Tropical Terrestrial Systems

Carbon Management in Tropical and Sub Tropical Terrestrial Systems Book
Author : Probir K. Ghosh,Sanat Kumar Mahanta,Debashis Mandal,Biswapati Mandal,Srinivasan Ramakrishnan
Publisher : Springer Nature
Release : 2019-11-23
ISBN : 9811396280
Language : En, Es, Fr & De

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Book Description :

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.

Climatology of West Africa

Climatology of West Africa Book
Author : Derek F. Hayward,Julius S. Oguntoyinbo
Publisher : Routledge
Release : 2019-10-28
ISBN : 100069223X
Language : En, Es, Fr & De

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Book Description :

Originally published in 1987, this book brings together information previously buried in specialist sources and makes it available to the student in a non-technical and well-illustrated synthesis. It builds a clear and detailed picture of the climates of West Africa, describing and explaining them and showing how crucial this understanding is to everyday life. The climate’s relevance to water resources, agriculture, health and industry is systematically considered.

Encyclopedia of Dairy Sciences

Encyclopedia of Dairy Sciences Book
Author : Anonim
Publisher : Academic Press
Release : 2011-03-25
ISBN : 0123744075
Language : En, Es, Fr & De

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Book Description :

Dairy Science includes the study of milk and milk-derived food products, examining the biological, chemical, physical, and microbiological aspects of milk itself as well as the technological (processing) aspects of the transformation of milk into its various consumer products, including beverages, fermented products, concentrated and dried products, butter and ice cream. This new edition includes information on the possible impact of genetic modification of dairy animals, safety concerns of raw milk and raw milk products, peptides in milk, dairy-based allergies, packaging and shelf-life and other topics of importance and interest to those in dairy research and industry. Fully reviewed, revised and updated with the latest developments in Dairy Science Full color inserts in each volume illustrate key concepts Extended index for easily locating information

The Journal of the Bombay Natural History Society

The Journal of the Bombay Natural History Society Book
Author : Bombay Natural History Society
Publisher : Unknown
Release : 1911
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download The Journal of the Bombay Natural History Society book written by Bombay Natural History Society, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Handbook of Tropical and Sub tropical Horticulture

Handbook of Tropical and Sub tropical Horticulture Book
Author : Ernest Mortensen
Publisher : Unknown
Release : 1968
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Handbook of Tropical and Sub tropical Horticulture book written by Ernest Mortensen, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Handbook of Tropical and Subtropical Horticulture

Handbook of Tropical and Subtropical Horticulture Book
Author : Ernest Mortensen,Ervin Trowbridge Bullard
Publisher : Unknown
Release : 1970
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Handbook of Tropical and Subtropical Horticulture book written by Ernest Mortensen,Ervin Trowbridge Bullard, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Realizing Africa s Rice Promise

Realizing Africa s Rice Promise Book
Author : Marco C S Wopereis,David E Johnson,Nourollah Ahmadi,Eric Tollens,Abdulai Jalloh
Publisher : CABI
Release : 2013-10-16
ISBN : 1845938127
Language : En, Es, Fr & De

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Book Description :

At a time when Africa's food security stands threatened, Realizing Africa's Rice Promise provides a comprehensive overview of state-of-the-art research and recommendations for dealing with future challenges. With contributions from the key scientists working on rice in Africa, this volume addresses policy, genetic diversity and improvement, sustainable productivity enhancement, innovations and value chains. The book is useful for researchers, policy makers, agricultural ministries, donors, regional and sub-regional organizations, non-governmental development organizations and universities.

Shifting the Paradigms for Sustainable Wildmeat Use in Tropical and Sub Tropical Regions

Shifting the Paradigms for Sustainable Wildmeat Use in Tropical and Sub Tropical Regions Book
Author : Nathalie Van Vliet,Robert Nasi
Publisher : Frontiers Media SA
Release : 2020-12-14
ISBN : 2889662381
Language : En, Es, Fr & De

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Book Description :

In Tropical and sub-tropical Range States, wildmeat is an important source of nutrition and income, but current extraction levels of vulnerable taxa are considered unsustainable. As such, wildmeat use is often seen as problematic for wildlife conservation. From a development perspective, balancing the nutritional needs of people who depend on wildmeat with biodiversity conservation is the greatest challenge. But why can’t wildmeat use be seen as an ally for conservation? Most analysis of wildmeat use have framed the problem around a rather simplistic paradigm where wildmeat use is unsustainable and should therefore be reduced or stopped to ensure wildlife conservation. Indeed, until the early start of this century most research efforts have been rooted in the biological disciplines, focused on quantifying the magnitude of the trade and measuring its level of destruction on wildlife species and ecosystems. This most often led to the institution of prohibitive policies intended for the protection of the wild resources, such as separating people from wildlife, expanding tightly-managed protected area networks, blanket criminalization of wild meat hunting, and increasing enforcement and interdiction measures. More recently, based on the elucidation of the role of wild meat in human livelihoods, some practitioners defend the idea that consumptive uses of wildlife are the only way to save it in the long run.

Plant Parasitic Nematodes in Subtropical and Tropical Agriculture 3rd Edition

Plant Parasitic Nematodes in Subtropical and Tropical Agriculture  3rd Edition Book
Author : Richard A Sikora,Danny Coyne,Johannes Hallmann,Patricia Timper
Publisher : CABI
Release : 2018-08-10
ISBN : 1786391244
Language : En, Es, Fr & De

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Book Description :

Covering all aspects of practical plant nematology in subtropical and tropical agriculture, the third edition of this definitive global reference work is fully revised and in full colour throughout. It covers the presence, distribution, symptomology and management of all economically important plant parasitic nematodes damaging the world's major food and cash crops. This includes: rice, cereals, solanum and sweet potatoes (and other root and tuber crops), food legumes, vegetables, peanut, citrus, fruit tree crops, coconut and other palms, coffee, cocoa, tea, bananas, sugarcane, tobacco, pineapple, cotton, other tropical fibres, spices and medicinal plants. New content for this edition includes: A chapter on nematode soil biodiversity and soil health; Reflections on the future impact of nematodes and nematology on food security; The importance of climate change, emerging threats, and new management technologies for large and small subsistence growers; Significant revisions to the IPM chapter and chapters on vegetables, citrus, legumes, tuber crops, cotton, peanut and banana where major advances in nematode management have occurred. This book is highly illustrated, with up-to-date practical guidance on methods of extraction, processing and diagnosing of different plant and soil nematodes and on integrated pest management. It remains an invaluable resource for those studying and working in the area of crop protection.

Regolith Exploration Geochemistry in Tropical and Subtropical Terrains

Regolith Exploration Geochemistry in Tropical and Subtropical Terrains Book
Author : C.R.M. Butt,H. Zeegers
Publisher : Elsevier
Release : 2015-12-04
ISBN : 1483291227
Language : En, Es, Fr & De

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Book Description :

The use of exploration geochemistry has increased enormously in the last decade. The present volume specifically addresses those geochemical exploration practices appropriate for tropical, sub-tropical and adjacent areas – in environments ranging from rainforest to desert. Practical recommendations are made for the optimization of sampling, and analytical and interpretational procedures for exploration according to the particular nature of tropically weathered terrains. The underlying theme is the recognition that regions between 35°N and 35°S in particular have a common history of deep chemical weathering and lateritization during the late Mesozoic and early Tertiary. This has had a profound and lasting effect, so that the surface geochemical expressions of mineralization throughout these regions have many similar features, with local modification due to more recent weathering under changed climates. The volume discusses the data derived from numerous research and case studies in terms of exploration and dispersion models based on the weathering and geomorphological history. The models permit valid comparisons between equivalent terrains that may be geographically widely separated and situated in quite different climatic environments. The basis of the volume is to view geochemical dispersion within the context of a genetic understanding of the evolution of landforms and the regolith (i.e. landscape geochemistry) and to develop exploration procedures based on this understanding. This book should be of interest to exploration geochemists, economic geologists, soil scientists, geomorphologists and environmental geochemists.

Tropical Marine Ecology

Tropical Marine Ecology Book
Author : D. M. Alongi
Publisher : John Wiley & Sons
Release : 2022-01-25
ISBN : 1119568862
Language : En, Es, Fr & De

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Book Description :

No realm on Earth elicits thoughts of paradise more than the tropics. The tropical marine realm is special in myriad ways and for many reasons from seas of higher latitude, in housing iconic habitats such as coral reefs, snow white beaches, crystal clear waters, mangrove forests, extensive and rich seagrass meadows and expansive river deltas, such as the exemplar, the Amazon. But the tropics also has an even more complex side: tropical waters give rise to cyclones, hurricanes and typhoons, and unique oceanographic phenomena including the El Niño- Southern Oscillation which affects global climate patterns. Tropical Marine Ecology documents the structure and function of tropical marine populations, communities, and ecosystems in relation to environmental factors including climate patterns and climate change, and patterns of oceanographic phenomena such as tides and currents and major oceanographic features, as well as chemical and geological drivers. The book focuses on estuarine, coastal, continental shelf and open ocean ecosystems. The first part of the book deals with the climate, physics, geology, and chemistry of the tropical marine environment. The second section focuses on the origins, diversity, biogeography, and the structure and distribution of tropical biota. The third part explores the rates and patterns of primary and secondary production, and their drivers, and the characteristics of pelagic and benthic food webs. The fourth part examines how humans are altering tropical ecosystems via unsustainable fisheries, the decline and loss of habitat and fragmentation, Further, pollution is altering an earth already in the throes of climate change. Tropical Marine Ecology is an authoritative and comprehensive introduction to tropical marine ecology for advanced undergraduate and postgraduate students. It is also a rich resource and reference work for researchers and professional managers in marine science.

Oceanography and Marine Biology An Annual Review Volume 41

Oceanography and Marine Biology  An Annual Review  Volume 41 Book
Author : R. N. Gibson,R. J. A. Atkinson
Publisher : CRC Press
Release : 2003-07-31
ISBN : 0203180577
Language : En, Es, Fr & De

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Book Description :

Interest in oceanography and marine biology and its relevance to global environmental issues continues to increase, creating a demand for authoritative reviews that summarize recent research. Oceanography and Marine Biology: An Annual Review has catered to this demand since its foundation, by the late Harold Barnes, more than 40 years ago. It is an

Handling and Storage of Food Grains in Tropical and Subtropical Areas

Handling and Storage of Food Grains in Tropical and Subtropical Areas Book
Author : David Wylie Hall
Publisher : Food & Agriculture Org.
Release : 1970
ISBN : 9789251008546
Language : En, Es, Fr & De

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Book Description :

Food and its importance; Tropics and subtropics; Losses of stored food; Factors affecting food value and deterioration; Design of stores; Drying methods; Storage methods; Insect control methods; Rodent control methods; Some economic aspects.

A Study of Some Facts and Theories Bearing Upon the Question of the Origin of the Angiospermous Flora of South Africa

A Study of Some Facts and Theories Bearing Upon the Question of the Origin of the Angiospermous Flora of South Africa Book
Author : Selmar Schönland
Publisher : Unknown
Release : 1907
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download A Study of Some Facts and Theories Bearing Upon the Question of the Origin of the Angiospermous Flora of South Africa book written by Selmar Schönland, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Plant Forms and Their Evolution in South Africa

Plant Forms and Their Evolution in South Africa Book
Author : John William Bews
Publisher : Unknown
Release : 1925
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Plant Forms and Their Evolution in South Africa book written by John William Bews, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.