Comptes Rendus de la IVe Réunion Plénière de L'Association Pour L'étude Taxonomique de la Flore D'Afrique Tropicale PDF Download
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Author: Association pour l'étude taxonomique de la flore d'Afrique tropicale
Publisher:
ISBN:
Category : Botanists
Languages : en
Pages : 582
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Book Description
Author: Association pour l'étude taxonomique de la flore d'Afrique tropicale
Publisher:
ISBN:
Category : Botanists
Languages : en
Pages : 582
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Book Description
Author: Ib Friis
Publisher: Kgl. Danske Videnskabernes Selskab
ISBN: 9788778762467
Category : Biodiversity
Languages : en
Pages : 452
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Book Description
Author: Association pour l'étude taxonomique de la flore d'Afrique tropicale
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 540
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Book Description
Author: Association pour l'étude taxonomique de la flore d'Afrique tropicale. Réunion plenière
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 724
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Book Description
Author:
Publisher:
ISBN:
Category : Plants
Languages : en
Pages : 180
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Book Description
Author: Association pour l'étude taxonomique de la flore d'Afrique tropicale
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 160
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Book Description
Author: Christian Puff
Publisher: Springer Science & Business Media
ISBN: 3709188512
Category : Science
Languages : en
Pages : 543
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Book Description
Biosystematic studies on the Rubiaceae have a long tradition at the Institute of Botany in Vienna. Within this family the Anthospermeae, and especially its African and Madagascan members, are of particular interest because of several aspects in their evolution: I) Perfection of anemophily within an otherwise nearly exclusively zoophilous family; 2) transitions from hermaphrodity to polygamy and finally dioecy; 3) differentiation from large and long-lived shrubs to short-lived herbs; 4) adaptive radiation from humid to seasonally dry, fire-exposed and xeric habitats. However, morphological diversity linked to sexual differentia tion, modificatory plasticity, and eco-geographical polymorphism have for a long time hampered our understanding of the relationships among these African Anthospermeae. Thus, it was imperative to put special emphasis on field observations and to carry out a variety of experiments with cultivated plants in addition to the analysis of an enormous herbarium material. The author, for this reason, carried out extensive field work, often under very adverse conditions, and covered most African countries from Ethiopia to Southern Africa and twice visited Madagascar. In this way a multitude of data was accumulated on the group in respect to germination and growth form, vegetative and reproductive morphology, anatomy and biology, embryology, karyology, crossing relationships, phytochemistry, distribu tion and ecology, etc.
Author: G.E. Wickens
Publisher: Springer Science & Business Media
ISBN: 1402064314
Category : Science
Languages : en
Pages : 535
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Book Description
This is the only comprehensive account of all eight species in the genus Adansonia. It describes the historical background from the late Roman period to the present. It covers the extraordinary variety of economic uses of baobabs. There are also appendices on vernacular names, gazetteer, economics, nutrition and forest mensuration. This book fills a gap in the botanical literature. It deals with a genus that has fascinated and intrigued scientists and lay persons for centuries.
Author: Brian J. Huntley
Publisher: Springer
ISBN: 3030030830
Category : Science
Languages : en
Pages : 552
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Book Description
This open access multi-authored book presents a 'state of the science' synthesis of knowledge on the biodiversity of Angola, based on sources in peer-reviewed journals, in books and where appropriate, unpublished official reports. The book identifies Angola as one of the most biologically diverse countries in Africa, but notes that its fauna, flora, habitats and the processes that drive the dynamics of its ecosystems are still very poorly researched and documented. This 'state of the science' synthesis is for the use of all students of Angola's biodiversity, and for those responsible for the planning, development and sustainable management of the country's living resources. The volume brings together the results of expeditions and research undertaken in Angola since the late eighteenth century, with emphasis on work conducted in the four decades since Angola's independence in 1975. The individual chapters have been written by leaders in their fields, and reviewed by peers familiar with the region.
Author: David M. Gordon
Publisher: Ohio University Press
ISBN: 0821444115
Category : History
Languages : en
Pages : 345
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Book Description
Indigenous knowledge has become a catchphrase in global struggles for environmental justice. Yet indigenous knowledges are often viewed, incorrectly, as pure and primordial cultural artifacts. This collection draws from African and North American cases to argue that the forms of knowledge identified as “indigenous” resulted from strategies to control environmental resources during and after colonial encounters. At times indigenous knowledges represented a “middle ground” of intellectual exchanges between colonizers and colonized; elsewhere, indigenous knowledges were defined through conflict and struggle. The authors demonstrate how people claimed that their hybrid forms of knowledge were communal, religious, and traditional, as opposed to individualist, secular, and scientific, which they associated with European colonialism. Indigenous Knowledge and the Environment offers comparative and transnational insights that disturb romantic views of unchanging indigenous knowledges in harmony with the environment. The result is a book that informs and complicates how indigenous knowledges can and should relate to environmental policy-making. Contributors: David Bernstein, Derick Fay, Andrew H. Fisher, Karen Flint, David M. Gordon, Paul Kelton, Shepard Krech III, Joshua Reid, Parker Shipton, Lance van Sittert, Jacob Tropp, James L. A. Webb, Jr., Marsha Weisiger
