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Author: Cosmas Alfred Butele
Publisher: GRIN Verlag
ISBN: 365637547X
Category : Science
Languages : en
Pages : 28
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Book Description
Essay from the year 2012 in the subject Biology - Zoology, grade: A, ( Atlantic International University ) (School of Science and Engineering), course: Sericulture - Master of Science (Applied Entomology), language: English, abstract: Sericigenous fauna are animals that are capable of producing a natural and highly valued fibre called silk. According to Prasadet al.(2010), the word “Sericigenous” is derived from a Greek word “Seri” meaning Silk. Sericigenous fauna have a wide biodiversity, which can be primarily categorized as insect and non-insect groups. The non-insect group includes the Adriatic mussel (seashell Pinna nobilis and related species which produce silk referred to as sea silk) and a Madagascarian spider. The silk of non insect origin is of no importance to textile market as its use is limited in the area of optical instruments. The insect group includes all the silk spinning insects whether foraging on mulberry plant or other non mulberry plants; their silk is the one used in making garments. Therefore, Sericigenous resources include the silk producing animals and the associated plants they feed on. This paper reviews the sericigenous resources biodiversity that have so far been identified and documented and the efforts that have been put in place to conserve and utilize them sustainably. The emphasis here is laid on the Sericigenous insects, the silk moths, and their food plants.
Author: Cosmas Alfred Butele
Publisher: GRIN Verlag
ISBN: 365637547X
Category : Science
Languages : en
Pages : 28
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Book Description
Essay from the year 2012 in the subject Biology - Zoology, grade: A, ( Atlantic International University ) (School of Science and Engineering), course: Sericulture - Master of Science (Applied Entomology), language: English, abstract: Sericigenous fauna are animals that are capable of producing a natural and highly valued fibre called silk. According to Prasadet al.(2010), the word “Sericigenous” is derived from a Greek word “Seri” meaning Silk. Sericigenous fauna have a wide biodiversity, which can be primarily categorized as insect and non-insect groups. The non-insect group includes the Adriatic mussel (seashell Pinna nobilis and related species which produce silk referred to as sea silk) and a Madagascarian spider. The silk of non insect origin is of no importance to textile market as its use is limited in the area of optical instruments. The insect group includes all the silk spinning insects whether foraging on mulberry plant or other non mulberry plants; their silk is the one used in making garments. Therefore, Sericigenous resources include the silk producing animals and the associated plants they feed on. This paper reviews the sericigenous resources biodiversity that have so far been identified and documented and the efforts that have been put in place to conserve and utilize them sustainably. The emphasis here is laid on the Sericigenous insects, the silk moths, and their food plants.
Author: Omkar
Publisher: Springer
ISBN: 9811033048
Category : Science
Languages : en
Pages : 469
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Book Description
This book is a compilation of writings focused on conventional and unconventional insect products. Some of these products are commercials successes, while others are waiting to be launched and are the potential produce of the future. In addition to the well known products honey, mulberry silk, and lac, the book primarily concentrates on silk producing insects other than the mulberry silkworm, insects as food, as sources of medicines, pest and weed managers, and as pollinators. The book highlights the all pervasive role of insects in improving human lives at multiple levels. Accordingly, while most books on insects concentrate on how to limit growth in their population, it instead focuses on how to propagate them. In each chapter, the book brings to the fore how insects are far more beneficial to us than their well publicised harmful roles. This book approaches both unconventional and conventional insect products, such as honey, silk and lac in much more depth than the available literature. It investigates different aspects of the production of these insects, such as the related processes, problems and utilities, in dedicated chapters. Because this book deals with the production of insects or their produce, it has been named Industrial Entomology, perhaps the only book that truly reveals the tremendous potential of insects to help humans live better lives. Based on the research and working experience of the contributors, who are global experts in their respective fields, it provides authentic, authoritative and updated information on these topics. The book offers a unique guide for students, teachers, policy planners, small scale industrialists, and government ministries of agriculture and industry across the globe. It will provide a much required stimulus to insect appreciation and generate enthusiasm for research and the broader acceptance for insect produce. Hopefully, it will also present the Indian perspective on these topics to a global readership.
Author: P.K. Mohanty
Publisher: Daya Books
ISBN: 9788170351894
Category : Sericulture
Languages : en
Pages : 186
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Book Description
Sericulture has attracted special attention of India since Independence due to rising internal demand and its export potential. Sericulture is the combination of people, machine, instruments, equipments, raw materials, proper methods and environment. Over the decades, the production of silk in India has increased horizontally, but its vertical growth remained retarded. Against the increased demand for quality silk in the international market, scope for production of export quality silk in India is enormous. The book emphasis on the techniques required for the better quality and quantity production of tasar cocoons through systematic and natural process instead of adopting pure scientific equipments on manipulating the natural system of operation. The book is replete with useful references and illustrations and an exhaustive index, holds an enduring appeal for the concerned scholars and students as well as professionals. Contents Chapter 1: Introduction; Importance of the study, History of sericulture, Silk road, Sericulture in other countries, Sericulture in india through ages; Chapter 2: Silk Scenario; Status of sericulture, Significance of tasar culture, Tasar silk-moths; Chapter 3: Biology of Tasar Silk-Moth; Stages in life cycle, Rearing, Pathology, Seed technology; Chapter 4: Ecology; Geography and topography of tasar producing areas in orissa, Climatological parameters, Host plant, arboriculture and topography, Conservation of tasar biodiversity and sustainable development.
Author: Akshay Kumar Chakravarthy
Publisher: Springer
ISBN: 981101518X
Category : Science
Languages : en
Pages : 443
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Book Description
Arthropods are invertebrates that constitute over 90% of the animal kingdom, and their bio-ecology is closely linked with global functioning and survival. Arthropods play an important role in maintaining the health of ecosystems, provide livelihoods and nutrition to human communities, and are important indicators of environmental change. Yet the population trends of several arthropods species show them to be in decline. Arthropods constitute a dominant group with 1.2 million species influencing earth’s biodiversity. Among arthropods, insects are predominant, with ca. 1 million species and having evolved some 350 million years ago. Arthropods are closely associated with living and non-living entities alike, making the ecosystem services they provide crucially important. In order to be effective, plans for the conservation of arthropods and ecosystems should include a mixture of strategies like protecting key habitats and genomic studies to formulate relevant policies for in situ and ex situ conservation. This two-volume book focuses on capturing the essentials of arthropod inventories, biology, and conservation.Further, it seeks to identify the mechanisms by which arthropod populations can be sustained in terrestrial and aquatic ecosystems, and by means of which certain problematic species be managed without producing harmful environmental side-effects. This edited compilation includes chapters contributed by over 80 biologists on a wide range of topics embracing the diversity, distribution, utility and conservation of arthropods and select groups of insect taxa. More importantly, it describes in detail the mechanisms of sustaining arthropod ecosystems, services and populations. It addresses the contribution of modern biological tools such as molecular and genetic techniques regulating gene expression, as well as conventional, indigenous practices in arthropod conservation. The contributors reiterate the importance of documenting and understanding the biology of arthropods from a holistic perspective before addressing conservation issues at large. This book offers a valuable resource for all zoologists, entomologists, ecologists, conservation biologists, policy makers, teachers and students interested in the conservation of biological resources.
Author: Tetsuo Asakura
Publisher: Springer Science & Business Media
ISBN: 9400771193
Category : Science
Languages : en
Pages : 277
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Book Description
This book is a snapshot of the current state of the art of research and development on the properties and characteristics of silk and their use in medicine and industry. The field encompasses backyard silk production from ancient time to industrial methods in the modern era and includes an example of efforts to maintain silk production on Madagascar. Once revered as worth its weight in gold, silk has captured the imagination from its mythical origins onwards. The latest methods in molecular biology have opened new descriptions of the underlying properties of silk. Advances in technological innovation have created silk production by microbes as the latest breakthrough in the saga of silk research and development. The application of silk to biomaterials is now very active on the basis of excellent properties of silks including recombinant silks for biomaterials and the accumulated structural information.
Author: Peter Utting
Publisher: Zed Books Ltd.
ISBN: 178360347X
Category : Business & Economics
Languages : en
Pages : 376
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Book Description
As economic crises, growing inequality and climate change prompt a global debate on the meaning and trajectory of development, increasing attention is focusing on 'social and solidarity economy' as a distinctive approach to sustainable and rights-based development. While we are beginning to understand what social and solidarity economy is, what it promises and how it differs from 'business as usual', we know far less about whether it can really move beyond its fringe status in many countries and regions. Under what conditions can social and solidarity economy scale up and scale out - that is, expand in terms of the growth of social and solidarity economy organizations and enterprises, or spread horizontally within given territories? Bringing together leading researchers, blending theoretical and empirical analysis, and drawing on experiences and case studies from multiple countries and regions, this volume addresses these questions. In so doing, it aims to inform a broad constituency of development actors, including scholars, practitioners, activists and policy makers.
Author: Douglas E. Soltis
Publisher: Springer Science & Business Media
ISBN: 9400918402
Category : Science
Languages : en
Pages : 273
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Book Description
Author: J. A. Callow
Publisher: Cabi
ISBN:
Category : Nature
Languages : en
Pages : 328
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Book Description
Advances in molecular and cell biology have led to the development of a whole range of techniques for manipulating genomes, collectively termed "biotechnology". Although much of the focus in the plant sciences has been on the direct manipulation of plant genomes, biotechnology has also catalyzed a renewed emphasis on the importance of biological and genetic diversity and its conservation. The methods of biotechnology now permit a greater understanding of both species and genetic diversity in plants, the mechanisms by which that variation is generated in nature, and the significance of that variation in the adaptation of plants to their environment. They allow the development of rapid methods for screening germplasm for specific characters and promote more effective conservation strategies by defining the extent of genetic diversity. Tissue culture-based techniques are available for conserving germplasm that cannot be maintained by more traditional methods. Also sophisticated informatics systems enable information on plant genetics and molecular biology to be cross-related to systematic, ecological and other data through international networks.
Author: P K Srivastav
Publisher: Associated Publishing Company
ISBN: 9789351309871
Category :
Languages : en
Pages :
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Book Description
The concept of biodiversity conservation and gene bank maintenance have gained greater momentum in the recent times and the biodiversity wealth are considered as common heritage of mankind and sovereign rights of the nations. Seri-biodiversity refers to the variability in sericigenous insects and their host plants, which are economically and ecologically important biodiversity and by and large, forest based. There are several wild sericigenous insects and their host plants, which are abundant in the north eastern and sub-Himalayan regions and other parts of the country. However, only 5 types of sericigenous insects are commercially exploited in India and there remains a great scope for producing novel silk from Cricula trifenestrata and Attacus atlas etc. The importance of these lesser known silk producing insects and their host plants are highlighted in Sericulture and Seri- biodiversity where the authors have tried to share their knowledge with eminent sericulturists and sericultural scientists of India and abroad. The book highlights information on various types of silk produced by different types of silkworms and host plants and their interaction. Also, this book provides details on recent trends in global sericulture scenario, apart from utilization and conservation of seri-biodiversity. The book also highlights industries allied to sericulture . As a matter of fact, in the recent times China, Thailand and Korea have embarked on production of various other products from silkworm and their host plants, which makes sericulture more profitable and highly sustainable. It is now essential for India to develop allied industries related to sericulture and make total use of the food plants and silkworm for different products, particularly pharmaceutical products. The book also gives an insight into the environmental impact due to sericulture; being forest based, the wild silkworms contribute to the development of sustainable natural environment, which is very much required these days, since ozone layer is very much in threat due to rapid industrialization and other man made hazards. India should acquire the top position in the sericultural map of the world - with this dream, the authors have presented this book to the sericulturists, PG students, scientists, educationists, planners, administrators and executives of the country. This is also a ready reference manual on seri-biodiversity in India and thereby very useful to all those engaged in biodiversity, conservation, naturalists, foresters, teachers and students of sericulture.
Author: A. Biju Kumar
Publisher:
ISBN:
Category : Biodiversity
Languages : en
Pages :
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Book Description
