A Systematic Revision of the Land Snails of the Western Ghats of India PDF Download
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Author:
Publisher:
ISBN: 9786165518000
Category :
Languages : en
Pages : 294
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Book Description
Author:
Publisher:
ISBN: 9786165518000
Category :
Languages : en
Pages : 294
Get Book Here
Book Description
Author: Fred Naggs
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
Author: David Dudgeon
Publisher: Cambridge University Press
ISBN: 1108882625
Category : Nature
Languages : en
Pages : 517
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Book Description
Growing human populations and higher demands for water impose increasing impacts and stresses upon freshwater biodiversity. Their combined effects have made these animals more endangered than their terrestrial and marine counterparts. Overuse and contamination of water, overexploitation and overfishing, introduction of alien species, and alteration of natural flow regimes have led to a 'great thinning' and declines in abundance of freshwater animals, a 'great shrinking' in body size with reductions in large species, and a 'great mixing' whereby the spread of introduced species has tended to homogenize previously dissimilar communities in different parts of the world. Climate change and warming temperatures will alter global water availability, and exacerbate the other threat factors. What conservation action is needed to halt or reverse these trends, and preserve freshwater biodiversity in a rapidly changing world? This book offers the tools and approaches that can be deployed to help conserve freshwater biodiversity.
Author: IUCN/SSC Tortoise and Freshwater Turtle Specialist Group
Publisher: IUCN
ISBN: 2880329868
Category : Nature conservation
Languages : en
Pages : 210
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251312702
Category : Political Science
Languages : en
Pages : 576
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Book Description
The State of the World's Biodiversity for Food and Agriculture presents the first global assessment of biodiversity for food and agriculture worldwide. Biodiversity for food and agriculture is the diversity of plants, animals and micro-organisms at genetic, species and ecosystem levels, present in and around crop, livestock, forest and aquatic production systems. It is essential to the structure, functions and processes of these systems, to livelihoods and food security, and to the supply of a wide range of ecosystem services. It has been managed or influenced by farmers, livestock keepers, forest dwellers, fish farmers and fisherfolk for hundreds of generations. Prepared through a participatory, country-driven process, the report draws on information from 91 country reports to provide a description of the roles and importance of biodiversity for food and agriculture, the drivers of change affecting it and its current status and trends. It describes the state of efforts to promote the sustainable use and conservation of biodiversity for food and agriculture, including through the development of supporting policies, legal frameworks, institutions and capacities. It concludes with a discussion of needs and challenges in the future management of biodiversity for food and agriculture. The report complements other global assessments prepared under the auspices of the Commission on Genetic Resources for Food and Agriculture, which have focused on the state of genetic resources within particular sectors of food and agriculture.
Author: Anirudha Dey
Publisher:
ISBN: 9788181711465
Category : Freshwater invertebrates
Languages : en
Pages : 399
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Book Description
Author: S. C. Mitra
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 356
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Book Description
Author: Winston Ponder
Publisher: Univ of California Press
ISBN: 9780520250925
Category : Nature
Languages : en
Pages : 496
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Book Description
"Ponder and Lindberg provides a breathtaking overview of the evolutionary history of the Mollusca, effectively melding information from anatomy, ecology, genomics, and paleobiology to explore the depths of molluscan phylogeny. Its outstanding success is due to thoughtful planning, focused complementary contributions from 36 expert authors, and careful editing. This volume is a must for malacologists."—Bruce Runnegar, Department of Earth and Space Sciences, University of California, Los Angeles "Our understanding of the phylogeny and evolutionary history of the mollusca has been revolutionized over the past two decades through new molecular data and analysis, and reinvestigation of morphological characters. In this volume Ponder, Lindberg, and their colleagues do a wonderful job of integrating this work to provide new perspectives on the relationships of the major molluscan clades, their evolutionary dynamics, and their history. Particularly timely is the coverage of molluscan evo-devo and genomics."—Douglas H. Erwin, Curator of Paleozoic Invertebrates, National Museum of Natural History
Author: Krushnamegh Kunte
Publisher: Universities Press
ISBN: 9788173713545
Category : Butterflies
Languages : en
Pages : 308
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Book Description
Butterflies Of Peninsular India Represents The First Fascicle In This Series. This Important New Work Of Reference Is Also A Joy To Look At And A Pleasure To Read, Combining Comprehensiveness, Consistency Of Style And Beauty To This Degree. Ancillary Information On Distribution, Ecology And Behaviour Will Help Design Field Exercises And Projects Focussing On First-Hand Observations Of Living Organisms. This Essential Source Of Visual And Factual Reference Is An Indispensable Book For Everyone Who Cares About Nature, And Will Stimulate Popular Interest In The Broader Spectrum Of India S Biological Wealth.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251304955
Category : Social Science
Languages : en
Pages : 241
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Book Description
This publication demonstrates the benefits of neglected and underutilized species, including amaranth, sorghum and cowpea, and their potential contribution to achieving Zero Hunger in South and Southeast Asia.
