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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
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

Medicinal Plants in Tropical West Africa

Medicinal Plants in Tropical West Africa Book
Author : Bep Oliver-Bever
Publisher : Cambridge University Press
Release : 1986-01-23
ISBN : 9780521268158
Language : En, Es, Fr & De

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Book Description :

First published in 1986, this book describes the most important medicinal plants in tropical West Africa and similar humid tropical climates. After a short introduction about early traditional medicine, the bulk of the book gives an account of locally occurring plants, grouped by their medicinal actions. Plants that affect the cardiovascular and nervous systems are discussed, as are those with antibiotic, insecticidal and molluscicidal properties. Those which affect the hormonal systems of humans are catalogued and so are others that act as adrenal-cortex, sex and thyroid hormones. There is a full botanical index, which includes the commonly found synonyms for many of the plants and the work is illustrated by the author's own water colours. It may be of particular interest and use to pharmacists, biochemists, botanists and pharmacologists and of great value to those who exploit locally available resources in treating diseases in tropical areas.

Environmental Geochemistry in Tropical and Subtropical Environments

Environmental Geochemistry in Tropical and Subtropical Environments Book
Author : Luiz Drude de Lacerda,Ricardo Erthal Santelli,Egbert K. Duursma,Jorge Joao Abrao
Publisher : Springer Science & Business Media
Release : 2013-06-29
ISBN : 366207060X
Language : En, Es, Fr & De

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Book Description :

This book incorporates twenty contributions on diverse aspects of the environmental geochemistry in tropical and sub-tropical environments, drawing together extensive original research not readily available elsewhere. Coverage includes intercontinental comparisons drawn on paleoclimatology, environmental impacts of mining and geochemistry of continetal shelf sediments.

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.

Postharvest Biology and Technology of Tropical and Subtropical Fruits

Postharvest Biology and Technology of Tropical and Subtropical Fruits Book
Author : Elhadi M Yahia
Publisher : Elsevier
Release : 2011-06-27
ISBN : 0857092766
Language : En, Es, Fr & De

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Book Description :

While products such as bananas, pineapples, kiwifruit and citrus have long been available to consumers in temperate zones, new fruits such as lychee, longan, carambola, and mangosteen are now also entering the market. Confirmation of the health benefits of tropical and subtropical fruit may also promote consumption further. Tropical and subtropical fruits are particularly vulnerable to postharvest losses, and are also transported long distances for sale. Therefore maximising their quality postharvest is essential and there have been many recent advances in this area. Many tropical fruits are processed further into purees, juices and other value-added products, so quality optimization of processed products is also important. The books cover current state-of-the-art and emerging post-harvest and processing technologies. Volume 1 contains chapters on particular production stages and issues, whereas Volumes 2, 3 and 4 contain chapters focused on particular fruit. Chapters in Volume 2 review the factors affecting the quality of different tropical and subtropical fruits from açai to citrus fruits. Important issues relevant to each product are discussed, including means of maintaining quality and minimizing losses postharvest, recommended storage and transport conditions and processing methods, among other topics. With its distinguished editor and international team of contributors, Volume 2 of Postharvest biology and technology of tropical and subtropical fruits, along with the other volumes in the collection, will be an essential reference both for professionals involved in the postharvest handling and processing of tropical and subtropical fruits and for academics and researchers working in the area. Along with the other volumes in the collection, Volume 2 is an essential reference for professionals involved in the postharvest handling and processing of tropical and subtropical fruits and for academics and researchers working in the area Reviews the factors affecting the quality of different tropical and subtropical fruits from açai to citrus fruits Important issues relevant to each particular fruit are discussed, including means of maintaining quality and minimising losses postharvest, recommended storage and transport conditions

Primary Productivity of Grass Ecosystems of the Tropics and Sub tropics

Primary Productivity of Grass Ecosystems of the Tropics and Sub tropics Book
Author : S.P. Long,M.B. Jones,M.J. Roberts
Publisher : Springer Science & Business Media
Release : 1991-11-30
ISBN : 9780412410208
Language : En, Es, Fr & De

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Book Description :

Project co-ordinator's preface abbreviations and symbols; Savanna at Nairobi national park, Kenya; Saline grassland near Mexico city; Monsoon grassland in Thailand; A floodplain grassland of the Central Amazon; Bamboo in sub-tropical eastern China; Remote sensing of grassland primary production; Synthesis and conclusions.

Marine Bivalves of Tropical West Africa

Marine Bivalves of Tropical West Africa Book
Author : Rudo Von Cosel,Serge Gofas
Publisher : Muséum National d'Histoire Naturelle
Release : 2020-02-15
ISBN : 9782856538883
Language : En, Es, Fr & De

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Book Description :

Bivalves are one of the most important groups of marine animals: they are abundant in benthic communities, they are sought after as seafood or ornament, and their shells are almost always conspicuous on the world's beaches. This identification guide for West African marine bivalves covers 462 species belonging to 59 families, based on an extensive material collected over several decades from Mauritania (Cap Blanc) to Angola (Baia dos Tigres), and now housed in in the French National Museum of Natural History. Therefore, any bivalve collected in the marine near-shore habitats of West Africa is most likely to be covered. Deep sea species (those normally collected below 500 meters depth, an additional 150 species) are listed but not treated at length. Profusely illustrated with over 3500 color and 1600 greyscale photographs, 800 stippled drawings, and an average of twelve views per species, the book is intended to be both the definitive resource and accessible to the non-specialist. Each species receives a description accompanied by a drawing of the interior showing the diagnostic details of the hinge and internal impressions and a photographic plate showing a selection of specimens from different localities across the species' range, an indication of distribution accompanied by a schematic map, an indication of habitat, and remarks, including comparisons with similar species. In the headings for each family, generic descriptions are illustrated with thumbnails of the included species to provide visual orientation. Morphological terms used in descriptions are explained in a glossary. Preceding these extensive taxonomic sections of the book is an introduction addressing the history of research, the physiography and hydrology of West African coasts, and the general characteristics of bivalves.

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 : 9780203180570
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

Breeding Tropical and Subtropical Fruits

Breeding Tropical and Subtropical Fruits Book
Author : P. K. Ray
Publisher : Springer Science & Business Media
Release : 2002-06
ISBN : 9783540428558
Language : En, Es, Fr & De

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Book Description :

Plant breeding has undergone a period of very rapid and significant development in recent years and the area of fruit breeding is no exception. This book provides a balanced, up-to-date and comprehensive account of the developments in the field of breeding tropical and subtropical fruits. It offers not only the theoretical and applied aspects of breedings fruits but also provides an authoritative manual of the conventional and new techniques used for increasing efficiency of crop improvement programmes. In specific chapters the book deals with crop taxonomy, genetic resources, floral biology, breeding objectives, inheritance patterns and information on new improved cultivars/hybrids.

Tropical Dream Palaces

Tropical Dream Palaces Book
Author : Odile Goerg
Publisher : Oxford University Press
Release : 2020-02-01
ISBN : 0197530966
Language : En, Es, Fr & De

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Book Description :

Many studies focus on film in Africa. Few, however, study cinema as a leisure activity: one that has influenced several generations and opened up spaces to dream, discuss or contest. Movie theatres offered a break from the daily routine, as places of escape and of education. Cinema was also potentially subversive, offering an alternative to colonial discourse. Tropical Dream Palaces seeks to trace this history in a West African context: of broadening horizons on the one hand, and of censorship and control on the other. It fills a historiographic void, following cinema's arrival in the region in the early twentieth century up until the Independence era, and also looking further afield to Central Africa and its different models. Goerg addresses questions of film distribution in colonial times; of screening venues, their implantation, spread and different categories; while also focusing on audiences, their gender or age; the acquisition of a film culture; and the impact of screening foreign images. Her book draws on extremely varied sources to paint a broad picture of this cinematographic landscape: archives, the accounts of African and European spectators or administrators, novels, autobiographies, the local press, interviews and iconography.

Blood Cells

Blood Cells Book
Author : Barbara J. Bain
Publisher : John Wiley & Sons
Release : 2014-11-11
ISBN : 111881729X
Language : En, Es, Fr & De

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Book Description :

Enables both the haematologist and laboratory scientist to identify blood cell features, from the most common to the more obscure Provides essential information on methods of collection, blood film preparation and staining, together with the principles of manual and automated blood counts Completely revised and updated, incorporating much newly published information: now includes advice on further tests when a specific diagnosis is suspected 400 high quality photographs to aid with blood cell identification Highlights the purpose and clinical relevance of haematology laboratory tests throughout