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Author :
Publisher :
ISBN 13 :
Total Pages : 1052 pages
Book Rating : 4.E/5 ( download)
Download or read book Agrindex written by and published by . This book was released on 1995 with total page 1052 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leonardo Piccini
Publisher : Frontiers Media SA
ISBN 13 : 2889748073
Total Pages : 161 pages
Book Rating : 4.8/5 (897 download)
Download or read book Cave Deposits: Processes, Approaches and Environmental Significance written by Leonardo Piccini and published by Frontiers Media SA. This book was released on 2022-03-29 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carol C. Baskin
Publisher : Elsevier
ISBN 13 : 0124166830
Total Pages : 1601 pages
Book Rating : 4.1/5 (241 download)
Download or read book Seeds written by Carol C. Baskin and published by Elsevier. This book was released on 2014-02-20 with total page 1601 pages. Available in PDF, EPUB and Kindle. Book excerpt: The new edition of Seeds contains new information on many topics discussed in the first edition, such as fruit/seed heteromorphism, breaking of physical dormancy and effects of inbreeding depression on germination. New topics have been added to each chapter, including dichotomous keys to types of seeds and kinds of dormancy; a hierarchical dormancy classification system; role of seed banks in restoration of plant communities; and seed germination in relation to parental effects, pollen competition, local adaption, climate change and karrikinolide in smoke from burning plants. The database for the world biogeography of seed dormancy has been expanded from 3,580 to about 13,600 species. New insights are presented on seed dormancy and germination ecology of species with specialized life cycles or habitat requirements such as orchids, parasitic, aquatics and halophytes. Information from various fields of science has been combined with seed dormancy data to increase our understanding of the evolutionary/phylogenetic origins and relationships of the various kinds of seed dormancy (and nondormancy) and the conditions under which each may have evolved. This comprehensive synthesis of information on the ecology, biogeography and evolution of seeds provides a thorough overview of whole-seed biology that will facilitate and help focus research efforts. - Most wide-ranging and thorough account of whole-seed dormancy available - Contains information on dormancy and germination of more than 14,000 species from all the continents – even the two angiosperm species native to the Antarctica continent - Includes a taxonomic index so researchers can quickly find information on their study organism(s) and - Provides a dichotomous key for the kinds of seed dormancy - Topics range from fossil evidence of seed dormancy to molecular biology of seed dormancy - Much attention is given to the evolution of kinds of seed dormancy - Includes chapters on the basics of how to do seed dormancy studies; on special groups of plants, for example orchids, parasites, aquatics, halophytes; and one chapter devoted to soil seed banks - Contains a revised, up-dated classification scheme of seed dormancy, including a formula for each kind of dormancy - Detailed attention is given to physiological dormancy, the most common kind of dormancy on earth
Author : Raphael B. B. Mwalyosi
Publisher : Institute of Resource Assessment University of Dar Es Salaam
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.3/5 ( download)
Download or read book Vegetation Survey of the Haubi Basin, Kondoa District, Central Tanzania written by Raphael B. B. Mwalyosi and published by Institute of Resource Assessment University of Dar Es Salaam. This book was released on 1997 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Amanuel Beyin
Publisher : Springer Nature
ISBN 13 : 3031202902
Total Pages : 2194 pages
Book Rating : 4.0/5 (312 download)
Download or read book Handbook of Pleistocene Archaeology of Africa written by Amanuel Beyin and published by Springer Nature. This book was released on 2023-08-17 with total page 2194 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook showcases an Africa-wide compendium of Stone Age archaeological sites and methodological advances that have improved our understanding of hominin lifeways and biogeography in the continent. The focal time spans the Pleistocene Epoch (c. 2.5 million–11,700 years ago) during which important human traits, such as obligate bipedalism that freed the hands to engage in creative activities, a large brain relative to body size, language, and social complexity, developed in the general forms that they are found today. The handbook is the first of its kind, and it is expected to play a significant role in human evolutionary research by: ❖ Collating the African Stone Age record, which exists in a fragmented state along the lines of national boundaries and colonial experiences. ❖ Showcasing emerging conceptual and methodological advances in African Pleistocene archaeology. ❖ Providing reference datasets for teaching and researching African prehistory. ❖ Making Africa’s Stone Age record accessible to researchers and students based in Africa who may not have access to journal publications where most new field discoveries are published. The Handbook features 128 chapters, of which 116 are site entries grouped by the host countries and presented in an alphabetical order. A number of those site-related entries examine multiple archaeological localities lumped under specific projects or study areas. The rest of the contributions deal with methodological topics, such as luminescence and radiocarbon dating, field data recovery, lithic analysis, micromorphology, and hominin fossil and zooarchaeological records of Pleistocene Africa. The introductory chapter provides an historical overview of the development of Stone Age (Paleolithic) archaeology in Africa beginning in the mid-19th century, and paleoenvironmental and chronological frameworks commonly used to structure the continent’s Pleistocene record. By making a good amount of African Stone Age literature accessible to researchers and the public, we wish to promote interest in human evolutionary research in the continent and elsewhere.
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Publisher :
ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.3/5 (91 download)
Download or read book Bibliography of Agriculture with Subject Index written by and published by . This book was released on 1993 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bruce Morgan Campbell
Publisher : CIFOR
ISBN 13 : 9798764072
Total Pages : 273 pages
Book Rating : 4.7/5 (987 download)
Download or read book The Miombo in Transition written by Bruce Morgan Campbell and published by CIFOR. This book was released on 1996-01-01 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Miombo woodlands and their use: overview and key issues. The ecology of miombo woodlands. Population biology of miombo tree. Miombo woodlands in the wider context: macro-economic and inter-sectoral influences. Rural households and miombo woodlands: use, value and management. Trade in woodland products from the miombo region. Managing miombo woodland. Institutional arrangements governing the use and the management of miombo woodlands. Miombo woodlands and rural livelihoods: options and opportunities.
Author :
Publisher :
ISBN 13 :
Total Pages : 612 pages
Book Rating : 4.3/5 (91 download)
Download or read book Ecology Abstracts written by and published by . This book was released on 2000 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coverage: 1982- current; updated: monthly. This database covers current ecology research across a wide range of disciplines, reflecting recent advances in light of growing evidence regarding global environmental change and destruction. Major ares of subject coverage include: Algae/lichens, Animals, Annelids, Aquatic ecosystems, Arachnids, Arid zones, Birds, Brackish water, Bryophytes/pteridophytes, Coastal ecosystems, Conifers, Conservation, Control, Crustaceans, Ecosyst em studies, Fungi, Grasses, Grasslands, High altitude environments, Human ecology, Insects, Legumes, Mammals, Management, Microorganisms, Molluscs, Nematodes, Paleo-ecology, Plants, Pollution studies, Reptiles, River basins, Soil, TAiga/tundra, Terrestrial ecosystems, Vertebrates, Wetlands, Woodlands.
Author : Ephraim Nkonya
Publisher : Springer
ISBN 13 : 3319191683
Total Pages : 695 pages
Book Rating : 4.3/5 (191 download)
Download or read book Economics of Land Degradation and Improvement – A Global Assessment for Sustainable Development written by Ephraim Nkonya and published by Springer. This book was released on 2015-11-11 with total page 695 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume deals with land degradation, which is occurring in almost all terrestrial biomes and agro-ecologies, in both low and high income countries and is stretching to about 30% of the total global land area. About three billion people reside in these degraded lands. However, the impact of land degradation is especially severe on livelihoods of the poor who heavily depend on natural resources. The annual global cost of land degradation due to land use and cover change (LUCC) and lower cropland and rangeland productivity is estimated to be about 300 billion USD. Sub-Saharan Africa (SSA) accounts for the largest share (22%) of the total global cost of land degradation. Only about 38% of the cost of land degradation due to LUCC - which accounts for 78% of the US$300 billion loss – is borne by land users and the remaining share (62%) is borne by consumers of ecosystem services off the farm. The results in this volume indicate that reversing land degradation trends makes both economic sense, and has multiple social and environmental benefits. On average, one US dollar investment into restoration of degraded land returns five US dollars. The findings of the country case studies call for increased investments into the rehabilitation and restoration of degraded lands, including through such institutional and policy measures as strengthening community participation for sustainable land management, enhancing government effectiveness and rule of law, improving access to markets and rural services, and securing land tenure. The assessment in this volume has been conducted at a time when there is an elevated interest in private land investments and when global efforts to achieve sustainable development objectives have intensified. In this regard, the results of this volume can contribute significantly to the ongoing policy debate and efforts to design strategies for achieving sustainable development goals and related efforts to address land degradation and halt biodiversity loss.
Author : Emmanuel N. Chidumayo
Publisher : Routledge
ISBN 13 : 1136531378
Total Pages : 294 pages
Book Rating : 4.1/5 (365 download)
Download or read book The Dry Forests and Woodlands of Africa written by Emmanuel N. Chidumayo and published by Routledge. This book was released on 2010-09-23 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dry forests and woodlands of Sub-Saharan Africa are major ecosystems, with a broad range of strong economic and cultural incentives for keeping them intact. However, few people are aware of their importance, compared to tropical rainforests, despite them being home to more than half of the continent's population. This unique book brings together scientific knowledge on this topic from East, West, and Southern Africa and describes the relationships between forests, woodlands, people and their livelihoods. Dry forest is defined as vegetation dominated by woody plants, primarily trees, the canopy of which covers more than 10 per cent of the ground surface, occurring in climates with a dry season of three months or more. This broad definition - wider than those used by many authors - incorporates vegetation types commonly termed woodland, shrubland, thicket, savanna, wooded grassland, as well as dry forest in its strict sense. The book provides a comparative analysis of management experiences from the different geographic regions, emphasizing the need to balance the utilization of dry forests and woodland products between current and future human needs. Further, the book explores the techniques and strategies that can be deployed to improve the management of African dry forests and woodlands for the benefit of all, but more importantly, the communities that live off these vegetation formations. Thus, the book lays a foundation for improving the management of dry forests and woodlands for the wide range of products and services they provide.
Author : Carl Christiansson
Publisher : Nordic Africa Institute
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.:/5 (27 download)
Download or read book Soil Erosion and Sedimentation in Semi-arid Tanzania written by Carl Christiansson and published by Nordic Africa Institute. This book was released on 1981 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alemneh Dejene
Publisher : World Bank Publications
ISBN 13 : 9780821339930
Total Pages : 96 pages
Book Rating : 4.3/5 (399 download)
Download or read book Land Degradation in Tanzania written by Alemneh Dejene and published by World Bank Publications. This book was released on 1997-01-01 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: World Bank Technical Paper No. 370. Local land users and officials often have conflicting perceptions of and responses to land degradation issues. This causes problems for officials in diagnosing and addressing the issue and is a major constraint on the successful implementation of policies and projects to address land degradation. This study looks at the perception and response gap between officials and land users in the diagnosis and remedy of land degradation. It also examines the dynamics of the loss of soil fertility and low productivity at the village level. The study's findings will help shape investment programs to enhance land productivity in Sub-Saharan Africa.
Author : Emma T. Liwenga
Publisher : Department of Human Geography Stockholm University
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.F/5 ( download)
Download or read book Food Insecurity and Coping Strategies in Semiarid Areas written by Emma T. Liwenga and published by Department of Human Geography Stockholm University. This book was released on 2003 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 828 pages
Book Rating : 4.3/5 (91 download)
Download or read book Bibliography of Agriculture written by and published by . This book was released on 1999 with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gerald Leach
Publisher : Routledge
ISBN 13 : 1134050496
Total Pages : 323 pages
Book Rating : 4.1/5 (34 download)
Download or read book Beyond the Woodfuel Crisis written by Gerald Leach and published by Routledge. This book was released on 2013-11-05 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: People scratching a living from parched land, women walking miles for scraps of firewood are both familiar images of Africa. But, in many places, people, with the help of governments and aid agencies, are putting the land into good shape, growing more food and creating a healthy cover of trees. This book joins the literature of hope by looking at these advances from the viewpoint of the energy crisis of the poor. This crisis can only be solved by going beyond the narrow confines of energy to consider all the needs of local people and the potential for change. Drawing on a wide range of case histories, the authors describe the gains in farming and forestry and woodfuel supply that have come about through this broader, people-centered approach. They also write about woodfuel prices, markets and other key elements of survival strategies for the cities. Huge efforts will be needed to recover from the failures of the past, but Leach and Mearns show that important lessons are at last being learned and that new roads to success can be mapped. Originally published in 1988
Author : S. N. Stuart
Publisher : IUCN
ISBN 13 : 9782831700212
Total Pages : 254 pages
Book Rating : 4.7/5 (2 download)
Download or read book Biodiversity in Sub-Saharan Africa and Its Islands written by S. N. Stuart and published by IUCN. This book was released on 1990 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kojo Amanor
Publisher : Nordic Africa Institute
ISBN 13 : 9789171064370
Total Pages : 164 pages
Book Rating : 4.0/5 (643 download)
Download or read book Global Restructuring and Land Rights in Ghana written by Kojo Amanor and published by Nordic Africa Institute. This book was released on 1999 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: The report highlights the long history of commodification of land and labour in Ghana, linked to speculative activities and more recently to the activities of international capital, agribusiness, international agricultural centres, and agencies of the state. It makes the case for a new land, agrarian and natural resource regime that prioritises domestic economic needs to provide security of livelihood to the generality of the people.
