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Author: Sharad Singh Negi Publisher: ISBN: Category : Forests and forestry Languages : en Pages : 278
Book Description
Oaks are an important group of trees with more than 35 species occurring in the Himalayan region of India, Nepal and Bhutan. This book deals with the various oaks and associated species found in these countries. The growth habit, taxonomy, nomenclature, distribution, habitat, forest types, local occurrence, phenology, silvicultural characters, natural reproduction, afforestation management and silvicultural systems, protection growth, yield and utilisation have been dealt with. A bibliography and index of vernacular, English and botanical names are given at the end.
Author: Sharad Singh Negi Publisher: ISBN: Category : Forests and forestry Languages : en Pages : 278
Book Description
Oaks are an important group of trees with more than 35 species occurring in the Himalayan region of India, Nepal and Bhutan. This book deals with the various oaks and associated species found in these countries. The growth habit, taxonomy, nomenclature, distribution, habitat, forest types, local occurrence, phenology, silvicultural characters, natural reproduction, afforestation management and silvicultural systems, protection growth, yield and utilisation have been dealt with. A bibliography and index of vernacular, English and botanical names are given at the end.
Author: Dr. R. K. Goel Publisher: APH Publishing ISBN: 9788176487498 Category : Oak tasar silkworm Languages : en Pages : 268
Book Description
The Book Is Divided Into 9 Chapters Such As-Introudction, Food Plants Of Oak Tasar Silkworm, Oak Propogation, Disease And Pest Management In Oak, Biography Of Oak Tasar Silkworm, Silkworm Rearing And Ethnology, Silkworm Seed Technology, Silkworm Rearing Technology, Ilk Reeling And Spinning. 4 Appendices, Index.
Author: Eustaquio Gil-Pelegrín Publisher: Springer ISBN: 331969099X Category : Science Languages : en Pages : 544
Book Description
With more than 500 species distributed all around the Northern Hemisphere, the genus Quercus L. is a dominant element of a wide variety of habitats including temperate, tropical, subtropical and mediterranean forests and woodlands. As the fossil record reflects, oaks were usual from the Oligocene onwards, showing the high ability of the genus to colonize new and different habitats. Such diversity and ecological amplitude makes genus Quercus an excellent framework for comparative ecophysiological studies, allowing the analysis of many mechanisms that are found in different oaks at different level (leaf or stem). The combination of several morphological and physiological attributes defines the existence of different functional types within the genus, which are characteristic of specific phytoclimates. From a landscape perspective, oak forests and woodlands are threatened by many factors that can compromise their future: a limited regeneration, massive decline processes, mostly triggered by adverse climatic events or the competence with other broad-leaved trees and conifer species. The knowledge of all these facts can allow for a better management of the oak forests in the future.
Author: Professor Omkar Publisher: CRC Press ISBN: 1003832067 Category : Science Languages : en Pages : 358
Book Description
Despite being the biggest group of organisms inhabiting Earth in both diversity and sheer numbers, insects are barely commercialized. Most of the standard textbooks of applied entomology talk about insect pest management, and when it comes to commercial aspects of insects, only apiculture, sericulture, and lac culture are talked about. This book will help bring other commercial uses of insects and their economic potential to the fore. This will generate interest in further research on the commercial potential of insects, thereby harnessing a much-found resource. The book has the following salient features: 1. Encompasses all major aspects of beneficial and commercial insects. 2. Deals with edible insects and mass culture of natural enemies and beneficial insects. 3. Emphasis on the mass cultivation of beneficial insects for obtaining yields. 4. Discusses stingless bees and their products. 5. Helps to solve the problem of food scarcity and improve food security.
Author: Bart Jordans Publisher: Cicerone Press Limited ISBN: 1783625996 Category : Travel Languages : en Pages : 421
Book Description
A guidebook to 22 trekking routes in Bhutan, plus variants. The graded routes vary in terms of difficulty, although many involve high altitude and remote terrain calling for self-reliance. The routes range from 2 to 24 days. Highlights include the Lunana ‘Snowman’ Trek, the Jhomolhari Trek, the Druk Path Trek, the Dagala ‘Thousand Lakes’ Trek, and opportunities to visit Gangkar Punsum Base Camp. Route description illustrated with sketch mapping Can be used to select, prepare for and enhance an organised expedition (since independent trekking is not permitted in Bhutan) Notes on trekking seasons, outfitters, transport, accommodation and food, equipment, and medical considerations (including safety at altitude) An insight into Bhutanese mountain life, plus advice on cultural awareness
Author: R C Sobti Publisher: CRC Press ISBN: 1000738949 Category : Nature Languages : en Pages : 513
Book Description
The term "biodiversity" or "biological diversity" describes the variety of living beings on Earth encompassing microorganisms, plants, animals, and ecosystems, such as coral reefs, forests, and deserts. In fact, it also represents a wealth of biological resources available to us. Today, instead of exploring and preserving its unmapped biodiversity, mankind has gone away from mother nature, conquering the domain through relentless exploitation. This has resulted in an ecological imbalance and thereby has posed serious threat to biodiversity. Declining biodiversity is, therefore, a concern for countless reasons. Biodiversity’s wealth of genetic information can be conserved by storing biological material from endangered species. Cell lines, gametes, and embryos are preserved so that in case a species becomes extinct or there is a need to increase the population of the species, then cloning and artificial reproductive techniques can be used to revive and reproduce the said species. The present volume discusses the biodiversity of specific animal groups, such as cnidarians and fish, as well as potential risks to and methods for conserving some of them. The following important aspects are addressed: 1. The importance of biodiversity in maintaining ecosystem balance for sustainability 2. The emerging role of biodiversity as a source of important materials, pharmaceuticals, food, and so on as such or through genetic manipulation to meet the contemporary and future challenges 3. The impact of environment degradation on biodiversity and conservation in a changing environment 4. Conventional and emerging biotechnological techniques to conserve biodiversity The book is intended for academics, scientists, and naturalists working in the fields of biology, biochemistry, biophysics, and biomedical sciences.
Author: Niraj Kumar Publisher: Routledge ISBN: 1000215512 Category : History Languages : en Pages : 368
Book Description
The centrality of the Himalayas as a connecting point or perhaps a sacred core for the Asian continent and its civilisations has captivated every explorer and scholar. The Himalaya is the meeting point of two geotectonic plates, three biogeographical realms, two ancient civilisations, two different language streams and six religions. This book is about the determinant factors which are at work in the Himalayas in the context of what it constitutes in terms of its spatiality, legends and myths, religious beliefs, rituals and traditions. The book suggests that there is no single way for understanding the Himalayas. There are layers of structures, imposition and superimposition of human history, religious traits and beliefs that continue to shape the Asian dynamics. An understanding of the ultimate union of the Himalayas, its confluences and its bridging role is essential for Asian balance. This book is a collaborative effort of an internationally acclaimed linguist, a diplomat-cum-geopolitician and a young Asianist. It provides countless themes that will be intellectually stimulating to scholars and students with varied interests. Please note: This title is co-published with KW Publishers, New Delhi. Taylor & Francis does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.