Man's Influence on the Vegetation of North Sumatra PDF Download
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Author: B. K. Maloney
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: B. K. Maloney
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Yves Laumonier
Publisher: Springer Science & Business Media
ISBN: 9400900317
Category : Science
Languages : en
Pages : 234
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Book Description
Fifteen years ago, approximately half the world population was estimated to live in continental and insular South-East Asia (Burma, Thailand, Kampuchea, Vietnam, Laos, Indonesia, Philippines). Then the region had a population growth of four million people every month, and the problem of malnutrition was acute for the rural population. International agricultural development organisations decided that their primary aim would be to double existing levels of agricultural production and, taking account of population growth, to double it again by the end of the century (Whyte 1976). Today, while global issues have greatly affected the parameters of the problem, the situation remains both serious and difficult. Despite impressive efforts in education and health, Indonesia for example, where population (179 millions) growth eased off only slightly between 1980 and 1990 (from 2. 3 percent to 1. 9 percent), is having to cope with increasing difficulties in managing natural resources and particularly its evanescent forest assets which, until 1986, were the second largest source of national revenue. Indonesia has the second largest surface area of tropical rain forests in the world (after Brazil) and thus all the problems linked with management and disappearance of those forests. The latest estimate gives a figure of 109 million hectares of forest in 1990, of which 40. 8 million hectares are production forests (Anon. -F AO 1990).
Author: Institute of Archaeology
Publisher: CRC Press
ISBN: 100015162X
Category : Science
Languages : en
Pages : 418
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Book Description
This book includes a collection of papers, dedicated to Tjalling Waterbolk, on various topics, including palaeobotanical and archaeological research, prehistoric settlement in the province of Drenthe and the coastal areas of Groningen and Friesland, and radiocarbon dating of archaeological samples.
Author: Ian Douglas
Publisher: Routledge
ISBN: 0429558112
Category : Science
Languages : en
Pages : 372
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Book Description
The tropics provide the key to understanding much biological and Earth science. This is particularly true for the study of landforms, which in higher latitudes suffer great seasonal contrasts in process intensity and type, and which often in the past underwent the dramatic changes of glaciation and periglaciation. Yet studies in the tropics have shown that the legacy of past climate changes is much more dramatic than was formerly believed. This book, first published in 1985, brings together the variety of evidence about such environmental changes, over a variety of timescales, and sets it against the current knowledge of the nature of geomorphic processes in the tropics.
Author: W. Holzner
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 398
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Book Description
General aspects of man's impact upon vegetation. Man's impact in the various vegetation zones of the earth. Long and severely influenced areas: special features of man's impact.
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 410
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Author:
Publisher:
ISBN:
Category : Archaeology
Languages : en
Pages : 280
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Author: John R. Flenley
Publisher: Elsevier
ISBN: 1483192547
Category : Nature
Languages : en
Pages : 171
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Book Description
The Equatorial Rain Forest: A Geological History presents the equatorial vegetation as a dynamic entity with varied and highly significant history. It also discusses other types of equatorial regions. It addresses the vegetational history from a palaeoecological viewpoint. Some of the topics covered in the book are the vegetation of equatorial regions; the prelude to the quaternary; the quaternary vegetation of equatorial Latin America; the quaternary vegetation of equatorial Africa; the cretaceous period; and the quaternary vegetation of equatorial indo-malesia. The value of vegetational history is fully covered. The effect of man on vegetation is discussed in detail. The text describes in depth the methods of studying vegetational history. The Paleocene, Eocene, and Oligocene epochs are presented completely. A chapter is devoted to the palynological evidence and synthesis. Another section focuses on the xeroseres, hydroseres and related successions. The book can provide useful information to botanists, geologists, students, and researchers.
Author: Jon G. Hather
Publisher: Routledge
ISBN: 1134681453
Category : Social Science
Languages : en
Pages : 292
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Book Description
Tropical Archaeobotany fills the need for a substantial reference work on plant remains from the tropics. It covers the examination, identification and interpretation of plant remains in tropical archaeology, whilst also the origins, spread, investigating the origins, spread, distribution and past use of tropical plants for food and other purposes. Recent technological developments in electron microscopy and biochemical and genetic research, as well as increased interest in tropical environments and ecosystems, are now beginning to realise the great potential for archaeobotanical research in the tropics. With the use of case studies from a wide range of areas, this volume details the latest macroscopic, microscopic and chemical techniques for the analysis of plant remains, from seeds, roots and tubers to epidermal fragments, pollen and phytoliths. Each chapter of Tropical Archaeobotany focuses on a different aspect of archaeobotanical research, using detailed examples from a varieety of tropical areas, though with its emphasis on techniques and methodology the book has a relevance beyond the regional scope of each chapter.
Author:
Publisher:
ISBN:
Category : Archaeology
Languages : en
Pages : 560
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Book Description
Includes section "Reviews."
