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The Distribution And Regeneration Of Boswellia Papyrifera Del Hochst In Eritrea
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Book Synopsis The Distribution and Regeneration of Boswellia Papyrifera (Del.) Hochst. in Eritrea by : Woldeselassie Ogbazghi
Download or read book The Distribution and Regeneration of Boswellia Papyrifera (Del.) Hochst. in Eritrea written by Woldeselassie Ogbazghi and published by . This book was released on 2001 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Boswellia papyrifera (Del.) Hochst. is a deciduous gum-producing multipurpose perennial tree species growing in Sudanian and Sahelian regions. The tree is tapped on the stem for oleo-gum called olibanum (true frankincense). Land clearing for agriculture and un-regulated grazing are threatening the future of the natural Boswellia woodlands in Eritrea. Against this background, a study was carried out to investigate the distribution of the species and the factors determining its distribution in Eritrea, to study the structure and dynamics of Boswellia populations, including the natural regeneration, and to identify the factors causing the decline of Boswellia woodlands and measures which can reverse this situation. At macro-level, the distribution of the species was found to be limited to the southwestern and southern parts of the country between 800-1850 m altitude receiving a mean annual rainfall of 375-700 mm with a dependable length of growing period of 45-100 days. At micro-level, the abundance and distribution of the species was found to be affected in order of importance by altitude, land use intensity, soil organic matter, and to a lesser extent by silt and pH. Tree development studies showed that trees in the lowlands were twice as high as those in the highlands. The most important outcome of the population structure study is the lack of regeneration. Out of five areas investigated regeneration was only found at two sites where trees were not tapped and which were not accessible to livestock. Further research showed that the present system of intensive annual tapping throughout the dry season leads to low production of non-viable seeds and that where viable seeds are produced, seedlings and saplings are usually destroyed by livestock. Establishment of enclosures in which tapping and grazing is not allowed were found to be an effective measure to promote natural regeneration. Further research is needed to refine this system and to investigate the feasibility of replanting former Boswellia areas.
Book Synopsis Degraded Forests in Eastern Africa by : Frans Bongers
Download or read book Degraded Forests in Eastern Africa written by Frans Bongers and published by Taylor & Francis. This book was released on 2010-09-23 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forest degradation as a result of logging, shifting cultivation, agriculture and urban development is a major issue throughout the tropics. It leads to loss in soil fertility, water resources and biodiversity, as well as contributes to climate change. Efforts are therefore required to try to minimize further degradation and restore tropical forests in a sustainable way. This is the first research-based book to examine this problem in East Africa. The specific focus is on the forests of Ethiopia, Tanzania and Uganda, but the lessons learned are shown to be applicable to neighbouring countries and others in the tropics. A wide range of forest types are covered, from dry Miombo forest and afromontane forests, to forest-savannah mosaics and wet forest types. Current management practices are assessed and examples of good practice presented. The role of local people is also emphasized. The authors describe improved management and restoration through silviculture, plantation forestry and agroforestry, leading to improvements in timber production, biodiversity conservation and the livelihoods of local people.
Book Synopsis Frankincense – Gum Olibanum by : T. Pullaiah
Download or read book Frankincense – Gum Olibanum written by T. Pullaiah and published by CRC Press. This book was released on 2023-07-17 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: Frankincense, also called olibanum, is an aromatic resin used since ancient times for incense, perfume and aromatherapy. It is readily available as an essential oil or as a supplement or extract, and studies have shown that it may enhance heart health and liver health and soothe pain and inflammation. This new volume is a comprehensive desktop reference book specifically gum olibanum - frankincense. It introduces the significance of the species and covers the botany, phytochemistry, propagation, extraction, and pharmacological uses. It also discusses the species’ genetic diversity using molecular markers, in vitro propagation and biotechnological aspects of Boswellia species, the trade and commerce of frankincense, and as well as its threats and conservation.
Book Synopsis Opportunities and Challenges for Sustainable Production and Marketing of Gums and Resins in Ethiopia by : Mulugeta Lemenih
Download or read book Opportunities and Challenges for Sustainable Production and Marketing of Gums and Resins in Ethiopia written by Mulugeta Lemenih and published by CIFOR. This book was released on 2011-01-01 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication is intended to serve researchers and teachers as well as development practitioners. It was prepared based on requests from CIFORs national partners in Ethiopia and the region to compile existing information and help address the lack of documents available for teaching graduate and undergraduate students about the management of forests in dryland areas in general, and the production and marketing of gums and resins in particular.
Book Synopsis Toponymy on the Periphery by : Julien Cooper
Download or read book Toponymy on the Periphery written by Julien Cooper and published by BRILL. This book was released on 2020-08-03 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In Toponymy on the Periphery, Julien Charles Cooper conducts a study of the rich geographies preserved in Egyptian texts relating to the desert regions east of Egypt. These regions, filled with mines, quarries, nomadic camps, and harbours are often considered as an unimportant hinterland of the Egyptian state, but this work reveals the wide explorations and awareness Egyptians had of the Red Sea and its adjacent deserts, from the Sinai in the north to Punt in the south. The book attempts to locate many of the placenames present in Egyptian texts and analyse their etymology in light of Egyptian linguistics and the various foreign languages spoken in the adjacent deserts and distant shores of the Red Sea"--
Author :Marie-Claire Cordonier Segger Publisher :Cambridge University Press ISBN 13 :1108349617 Total Pages :575 pages Book Rating :4.1/5 (83 download)
Book Synopsis CITES as a Tool for Sustainable Development by : Marie-Claire Cordonier Segger
Download or read book CITES as a Tool for Sustainable Development written by Marie-Claire Cordonier Segger and published by Cambridge University Press. This book was released on 2023-07-31 with total page 575 pages. Available in PDF, EPUB and Kindle. Book excerpt: Saving endangered species presents a critical and increasingly pressing challenge for conservation and sustainability movements, and is also matter of survival and livelihoods for the world's poorest and vulnerable communities. In 1973, a global Convention on International Trade in Endangered Species (CITES) was adopted to stem the extinction of many species. In 2015, as part of the Sustainable Development Goals (SDG 15) the United Nations called for urgent action to protect endangered species and their natural habitats. This volume focuses on the legal implementation of CITES to achieve the global SDGs. Activating interdisciplinary analysis and case studies across jurisdictions, the contributors analyse the potential for CITES to promote more sustainable development, proposing international and national regulatory innovations for implementing CITES. They consider recent innovations and key intervention points along flora and fauna value chains, advancing coherent recommendations to strengthen CITES implementation, including through the regulation of trade in endangered species globally and locally.
Book Synopsis Taxonomy and Ecology of African Plants, Their Conservation and Sustainable Use by : Shahina A. Ghazanfar
Download or read book Taxonomy and Ecology of African Plants, Their Conservation and Sustainable Use written by Shahina A. Ghazanfar and published by Royal Botanic Gardens Kew. This book was released on 2006 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes sixty research papers in separate sections on taxonomy, forests and forestry, phytogeography, ecology, and the conservation and sustainable use of African plants.
Book Synopsis Ecology and Management of Boswellia Papyrifera (Del.) Hochst. Dry Forests in Tigray, Northern Ethiopia by : Kindeya Gebrehiwot
Download or read book Ecology and Management of Boswellia Papyrifera (Del.) Hochst. Dry Forests in Tigray, Northern Ethiopia written by Kindeya Gebrehiwot and published by Cuvillier Verlag. This book was released on 2003 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multipurpose Trees in the Tropics by : V. P. Tewari
Download or read book Multipurpose Trees in the Tropics written by V. P. Tewari and published by . This book was released on 2006 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the International Conference on "Multipurpose Trees in the Tropics: Assessment, Growth, and Management" organised at Arid Forest Research Institute, Jodhpur during 22-25 November, 2004, by the International Union of Forest Research Organizations and Indian Council of Forestry Research and Education.
Book Synopsis Soil and Water Management in Spate Irrigation Systems in Eritrea by : Mehreteab Tesfai Hadera
Download or read book Soil and Water Management in Spate Irrigation Systems in Eritrea written by Mehreteab Tesfai Hadera and published by . This book was released on 2001 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spate irrigation has been practised over 100 years in the Red Sea coastal zone of Eritrea such as the Sheeb area. Main problem of the spate irrigation system is water shortage caused by irregular rainfall in the highlands of Eritrea and breaching of the irrigation structures by destructive big floods. Annually, a tremendous amount of soil with nutrients is eroded from the adjacent highlands, transported by seasonal streams (wadis) and deposited on the lowlands in the irrigated fields. The dominant types of soils of Sheeb area are the Fluvisols, which have good physical and chemical properties. The annual sedimentation on the spate fields enables the farmers to harvest a crop without application of fertilisers. A nutrient balance study revealed no soil mining in the spate fields. Farmers in Sheeb could obtain a more uniform water distribution over their fields with better levelling. Of the total area of Sheeb (8,000 ha), about 3,160 ha of land was classified as highly and moderately suitable for spate irrigation. When the flood diversion structures (at wadis Laba and Maiule) are made more permanent, an additional 2, 000 ha of land can be irrigated. In general, spate irrigation production system is a 'cost effective' system if the irrigation structures are properly maintained at low cost and if the fields receive enough water and nutrients.
Book Synopsis The Archaeology of Ancient Eritrea by : Peter Ridgway Schmidt
Download or read book The Archaeology of Ancient Eritrea written by Peter Ridgway Schmidt and published by Red Sea Press(NJ). This book was released on 2008 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a collection of essays exploring the contradicting paradigms of oppression and liberation in Ethiopia.
Book Synopsis Consuming the Savings by : Wim Spaan
Download or read book Consuming the Savings written by Wim Spaan and published by . This book was released on 2003 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soil Quality and Rice Productivity Problems in Sahelian Irrigation Schemes by : Piet J. A. van Asten
Download or read book Soil Quality and Rice Productivity Problems in Sahelian Irrigation Schemes written by Piet J. A. van Asten and published by . This book was released on 2003 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tree-grass Interactions on an East African Savanna by : Fulco Ludwig
Download or read book Tree-grass Interactions on an East African Savanna written by Fulco Ludwig and published by . This book was released on 2001 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: Rangelands, Semi-arid areas, stable isotopes, Acacia, C 4- grasses, plant nutrients, soil nutrients, soil water, plant water relations.
Download or read book Forests, Trees and Livelihoods written by and published by . This book was released on 2004 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Integrated Crop Management Strategies in Sahelian Land Use Systems to Improve Agricultural Productivity and Sustainability by : Odiaba Samaké
Download or read book Integrated Crop Management Strategies in Sahelian Land Use Systems to Improve Agricultural Productivity and Sustainability written by Odiaba Samaké and published by . This book was released on 2003 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: .
Book Synopsis Working Towards SEAN-ERA by : Jan-Joost Kessler
Download or read book Working Towards SEAN-ERA written by Jan-Joost Kessler and published by . This book was released on 2003 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
