Webbia : *Journal of plant taxonomy and geography PDF Download
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Author: Ugolino Martelli
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 420
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Book Description
Author: Ugolino Martelli
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 420
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Book Description
Author: Ib Friis
Publisher: Firenze University Press
ISBN: 8855186337
Category : Science
Languages : en
Pages : 360
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Book Description
Pichi Sermolli’s work with his more than 2750 collections of plants from nearly 150 localities on the Lake Tana expedition in Ethiopia in 1937 was interrupted by World War II, but completed in 1947 at the Royal Botanic Gardens, Kew, and the British Museum (Natural History), UK. It resulted in preliminary accounts of the vegetation published 1938-40 and a taxonomically arranged account in 1951, all in Italian. Pichi Sermolli’s observations are difficult to locate due to the imperfect maps of the time, but in this book the authors have reconstructed the sequence of the collections, georeferenced the localities, and updated the identifications of the species. By reconstructing Pichi Sermolli’s observations, it is possible to draw conclusions about the vegetation and compare with a recent model of the vegetation of Ethiopia. According to this, the vegetation of the Lake Tana Basin was a complex mosaic of woodland, scrub, forest, farmland and lake shore vegetation now difficult to interpret in detail. Pichi Sermolli’s study of the vegetation in the Semien Mountains demonstrated for the first time the zonation of Ericaceous woodland and Afroalpine vegetation, within which he distinguished Carex monostachya bogs, Afroalpine grasslands with Lobelia rhynchopetalum, and stony and rocky Afroalpine vegetation. This book interprets Pichi Sermolli’s observations in English and compares them with modern knowledge of the region, partly obtained by the present authors’ own field work. It demonstrates how Pichi Sermolli’s studies form a valuable contribution to the understanding of the Ethiopian flora and vegetation.
Author: J. Casares
Publisher: WIT Press
ISBN: 1784663956
Category : Business & Economics
Languages : en
Pages : 266
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Book Description
Formed of a collection of papers from the 5th International Conference on Environmental and Economic Impact on Sustainable Development, the included works examine the most serious problems affecting sustainable development. The papers consider the impact of economic constraints on the environment, taking into account the social aspects as well as the over-use of natural resources. Uncontrolled development can also result in damage to the environment in terms of the release of toxic substances and hazardous waste. Therefore, decisions have to be made as to whether some forms of development are compatible with environmental protection, particularly in cases of possible serious contamination and toxicity. More constructive and progressive approaches are required to ensure sustainability. A major motivation is to learn from past failure, to avoid repeating similar mistakes, while attempting to prevent emerging threats to environmental and ecological systems. Fundamental to these concepts is the analysis of the inherent risk and the development of appropriate strategies.
Author: Vicki Ann Funk
Publisher:
ISBN:
Category : Compositae
Languages : en
Pages : 1008
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Book Description
"This spectacular book does full justice to the Compositae (Asteraceae), the largest and most successful flowering plant family with some 1700 genera and 24,000 species. It is an indispensable reference, providing the most up-to-date hypotheses of phylogenetic relationships in the family based on molecular and morphological characters, along with the corresponding subfamilial and tribal classification. The 2009 work not only integrates the extensive molecular phylogenetic analyses conducted in the last 25 years, but also uses these to produce a metatree for about 900 taxa of Compositae. The book contains 44 chapters, contributed by 80 authors, covering the history, economic importance, character variation, and systematic and phylogenetic diversity of the family. The emphasis of this work is phylogenetic; its chapters provide a detailed, current, and thoroughly documented presentation of the major (and not so major) clades in the family, citing some 2632 references. Like the Compositae, the book is massive, diverse, and fascinating. It is beautifully illustrated, with 170 figures, and an additional 108 cladograms (all consistently color-coded, based on the geographic range of the included taxa); within these figures are displayed 443 color photographs, clearly demonstrating the amazing array of floral and vegetative form expressed by members of the clade." --NHBS Environment Bookstore.
Author: Jagran Josh
Publisher: Jagran Josh
ISBN:
Category : Education
Languages : en
Pages : 1158
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Book Description
The Current Affairs Quarterly Supplement 2015 compiled by Jagranjosh.com covers all the current affairs of past three months starting from 1 July 2015 to 30 September 2015 which are relevant for all types of competitive exams like IAS/PCS, SSC, Banking, MBA and others. In this book updates on all sections like National, International, Economy, State, Corporate, Environment & Ecology and Science & Technology, Personalities, Appointments, Awards, Committees/Commissions that took place in the respective months of July, August and September 2015 are available. Details – Current Affairs Quarterly Supplement 2015 · It is a collection of three eBooks namely Current Affairs July 2015 eBook, Current Affairs August 2015 eBook and Current Affairs September 2015 eBook. · It provides the comprehensive coverage of the current affairs that happened in July, August and September 2015. · It covers the current affairs of past three months with ample background and provides a detailed analysis of all the national and international events. · The presentation of the current affairs is provided in very simple and easy-to-understand language. · It provides diary of events of India and World for each month that would be very helpful in revising just before the exams. · It also provides more than 100+ One Liners for each month which would be of great help to aspirants in their preparations. · The Current Affairs Quarterly Supplement 2015 will be of immense help for the candidates preparing for forthcoming exams. · The eBook will be handy for the forthcoming exams like IBPS CWE PO/MT –V (Main) Exam, IBPS CWE RRB - IV, Combined Defence Services Exam (II) 2015, NDA & NA Exam (II) 2015, Indian Economic Services/Indian Statistical Services Exam 2015, Combined Geo-Scientist & Geologists Exam 2015, Engineering Services Exam 2015, Combined Medical Services Exam 2015, Civil Services (Mains) Exam 2015, Central Armed Police Forces (AC) Exam 2015 and others. We hope that you will find the Current Affairs Quarterly Supplement 2015 of immense help in your preparation for different types of Competitive Exams.
Author: Cristiano Pesaresi
Publisher: Edizioni Nuova Cultura
ISBN: 8868123800
Category : Business & Economics
Languages : en
Pages : 202
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Book Description
This research focusses attention on the social-demographic, agricultural and tourist aspects of the 29 municipalities of the Molise Region, in order to provide new elements and details in a distributive and diachronic analysis and underline the link between new data and old problems which require collective actions to reach common purposes and to enhance the local resources according to the different vocations. After the examination of numerous statistical data which are also represented through GIS elaborations, quality of products and processes, multi-functional and inter-sectorial relationships, fast and slow scenarios, new or renewed forms of tourism accommodation, internet and tourist social technologies, social agriculture and neo-agrarianism, slow and creative tourism, the high environmental quality, enriched by historical and cultural heritage, become some of the keywords around which the geographical analysis is conducted. The present study seeks both to provide useful input for a meticulous and weighted planning, according to a resource-based approach, and to define a reference framework for people who are no longer live in Molise Region and Italy, but who are still emotionally attached to their native lands and keep alive the memories for their origins or for the origins of their parents.
Author: Arun Arya
Publisher: The Readers Paradise
ISBN:
Category : Nature
Languages : en
Pages : 418
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Book Description
The global environment has been going through significant challenges in recent times due to a number of factors such as industrial pollution, expansion of agricultural land way beyond the fringe forest zones, destruction of virgin forests, loss of quality agricultural lands due to soil erosion, loss of global wildlife and biodiversity, climate change, global warming, devastating forest fires, floods, draughts, melting of glaciers to mention only a handful. The list could possibly go on and on with never ending items being added covering every aspect of modern human life. But there is an important underlying hidden factor behind all these that we all need to identify and realize. The most alarming fact about this hidden factor is that they are all directly or indirectly impacted by human activities in some way or other. Human civilizations have reached great strides from the earliest days when men first discovered wheel or learnt the art of agriculture and crop and livestock breeding. We have seen the age of computronics, robotics and now moving into the age of biotechnology, genetic engineering and nanotechnology. Our science quests have stretched beyond the borders of the home planet and we have even started stretching hands in unlocking the secrets of distant members of our solar system. This is indeed tremendous progress; there could be no doubt about that. But at the same time we also need to remember about the impending darkness too beneath the lamp that provides light to the rest of room. While we are standing in gaining a lot; but are we paying enough attention to what we are also loosing at the same time. The loss of forested areas, building up carbon dioxide in the global atmosphere, pollution of both fresh and salt water via number of toxic chemicals both of inorganic and organic nature, poor quality of the air we are breathing and the catastrophic loss of global biodiversity- are these not a sign of regress instead of the so called and highly cherished progress towards a darker and destructive future. Human or anthropogenic impacts are in turn devastating the planet with our attention being shifted only to the shinning aspect of our civilizations. There is indeed a darker side of every bright picture that is being placed in front of our glaring eyes. There is no silver lining in every cloud that we see on the sky. We are becoming seriously myopic and choosing to ignore the deadly symptoms that are showing up in front of us every now and then as a result of our own activities. Anthropogenic impacts have been devastating to our global ecosystems and are challenging our local environments in a significant manner. As responsible global citizens we strongly believe that we need to voice our concerns to the incessant global environmental pollution happening at every instance at different corners of earth. Hence is the humble effort of coming up with an international, peer-reviewed volume on Anthropogenic Pollution: Causes and Concerns. The current volume is a collection of a number of articles from scientists, academics, researchers, journalists, bureaucrats and technocrats from different parts of the world. Each article talks about a separate story and highlights some specific problems caused by anthropogenic impact and resulting in detrimental forms of environmental pollution. Each article is complete with its table, graphs, diagrams and bibliography to cater to a wide range of readers from serious academics, researchers and students to environmental enthusiasts and general public interested in stretching their boundary of knowledge way beyond traditional education. The volume will also be useful for both under graduate and post graduate students specializing in environmental science/studies and also for the MPhil curriculum and entry level PhD courses at different academic institutes.
Author: Association pour l'étude taxonomique de la flore d'Afrique tropicale
Publisher:
ISBN:
Category : Botany
Languages : un
Pages : 154
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Book Description
Author: Joan B. Webb
Publisher:
ISBN:
Category : Botanists
Languages : en
Pages : 302
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Book Description
A source book on the nineteenth century not only on the development of independent botany in Australia but also on the lives of principal players and the fate of their collections. Illustrated with portraits and maps, and covering botanical work executed in several colonies from botanically-minded William Dampier to Joseph Maiden.
Author: Jagran Josh
Publisher: Jagran Josh
ISBN:
Category : Education
Languages : en
Pages : 396
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Book Description
Current Affairs July 2015 eBook brought to you by Jagranjosh.com covers all the international and national current affairs that will help the candidates while preparing for different competitive exams like IAS/PCS, SSC, Bank, MBA and others. Current Affairs July 2015 eBook It provides the comprehensive coverage of the current affairs that happened in July 2015. It covers the current affairs of July 2015 with ample background and provides a detailed analysis of all the national and international events. The presentation of the current affairs is provided in very simple and easy-to-understand language. The July 2015 eBook will be of immense help for the candidates preparing for forthcoming exams. The eBook will be handy for the forthcoming exams like IBPS CWE PO/MT –V (Main) Exam, IBPS CWE RRB - IV, Combined Defence Services Exam (II) 2015, NDA & NA Exam (II) 2015, Indian Economic Services/Indian Statistical Services Exam 2015, Combined Geo-Scientist & Geologists Exam 2015, Engineering Services Exam 2015, Combined Medical Services Exam 2015, Civil Services (Preliminary) Exam 2015, Central Armed Police Forces (AC) Exam 2015 and others. The July 2015 eBook is the result of effort of experts in competitive exams and covers the current affairs from the field of national, international, economy, corporate, sports, science & technology, environment & ecology, awards/honours, books/authors, committees/commissions, reports/surveys, and other important current affairs.
