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Author :
Publisher :
ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.0/5 ( download)
Download or read book Proceedings of the 1995 National Cave Management Symposium written by and published by . This book was released on 1996 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.F/5 ( download)
Download or read book The NSS Bulletin written by and published by . This book was released on 1979 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Diana E. Northup
Publisher :
ISBN 13 :
Total Pages : 566 pages
Book Rating : 4.:/5 (318 download)
Download or read book A Guide to Speleological Literature of the English Language written by Diana E. Northup and published by . This book was released on 1998 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This is a family story of America's most famous cave explorer who was trapped and died in Sand Cave in 1925. That story has been told many times, but never before has the complete life of Floyd Collins been presented. Floyd's younger brother Homer tells how Floyd was fascinated with caves from his childhood, of his discovery of the famous Crystal Cave on the home property, and of the rescue attempts from the viewpoint of a brother so devoted that his extraordinary efforts to save Floyd were rewarded by his being removed from the premises while others inexperienced in working in caves carried on the unsuccessful attempt. It is a warm story of a man whose love in life was exploring caves, a man who endured his grim death with dignity and pride in his vocation."--Page 4 of cover
Author : Aldemaro Romero
Publisher : Springer Science & Business Media
ISBN 13 : 9401597952
Total Pages : 366 pages
Book Rating : 4.4/5 (15 download)
Download or read book The biology of hypogean fishes written by Aldemaro Romero and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hypogean (cave, artesian) fishes have fascinated researchers even before they were described in the scientific literature in 1842. Since then, a number of scientists have used them to justify their own evolutionary ideas, from neo-Lamarckism to neo-Darwinism, from neutral evolution to selectionist approaches. Research in recent years has shown that these fishes are much more complex in their adaptations to the subterranean environment than previously believed: there are those with features expected from living in total darkness (complete blindness and depigmentation) and poor in nutrients (extremely low metabolic rates); others differ very little, if any, from their epigean (surface) ancestors in their morphology and physiology (but not so in their behavior). Some of them even live in nutrient-rich environments. Actually, one of the most overlooked facets of these animals is that there are more species of hypogean fishes without troglomorphisms (blindness, depigmentation) than with troglomorphic ones. The study of these apparently `unadapted' fishes is providing new insights into our understanding of the evolution of phenotypic characters, founding effect, behavioral, and physiological adaptations. The 86 species of troglomorphic fishes described so far belong to 18 different families, many of which would hardly fit the notion that they were 'preadapted' to conquer the underground environment. Further, many troglomorphic `species' show very little genotypic differentiation when compared with their putative ancestors, indicating that massive phenotype changes can be achieved via little genetic reorganization, a reorganization that mostly affects regulatory genes. These and many other topics are discussed in this volume containing 29 papers, written by 41 authors from 9 countries. Hopefully, this volume will convince many other researchers that hypogean fishes represent a unique opportunity to study a concept in evolutionary biology that is only superficially understood: convergent evolution.
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ISBN 13 :
Total Pages : 744 pages
Book Rating : 4.3/5 (91 download)
Download or read book Smithsonian Contributions to Zoology written by and published by . This book was released on 1981 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Donald W. Webb
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Biological Resources of Illinois Caves and Other Subterranean Environments written by Donald W. Webb and published by . This book was released on 1994 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ed Landing
Publisher : University of Toronto Press
ISBN 13 :
Total Pages : 664 pages
Book Rating : 4.:/5 (318 download)
Download or read book Upper Cambrian to Lower Ordovician Conodont Biostratigraphy and Biofacies, Rabbitkettle Formation, District of Mackenzie written by Ed Landing and published by University of Toronto Press. This book was released on 1980 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Conodonts have been recovered from two sections through the Cambrian-Ordovician boundary beds of the upper Rabbitkettle Formation, near the headwaters of the Broken Skull River, western Mackenzie Mountains. This report contributes towards a biofacies evaluation of Cambrian-Ordovician boundary bed conodonts and illustrates the probable limitations on a highly resolved conodont-based correlation of this interval between strongly constrasting lithofacies.
Author : Brian Frederick Kensley
Publisher :
ISBN 13 :
Total Pages : 676 pages
Book Rating : 4.3/5 (243 download)
Download or read book A Comparative Study of the Appendicular Musculature of Penguins (Aves : Sphenisciformes) written by Brian Frederick Kensley and published by . This book was released on 1981 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1378 pages
Book Rating : 4.E/5 ( download)
Download or read book Studia dipterologica written by and published by . This book was released on 1997 with total page 1378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Gunn
Publisher : Routledge
ISBN 13 : 1135455082
Total Pages : 1971 pages
Book Rating : 4.1/5 (354 download)
Download or read book Encyclopedia of Caves and Karst Science written by John Gunn and published by Routledge. This book was released on 2004-08-02 with total page 1971 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Encyclopedia of Caves and Karst Science contains 350 alphabetically arranged entries. The topics include cave and karst geoscience, cave archaeology and human use of caves, art in caves, hydrology and groundwater, cave and karst history, and conservation and management. The Encyclopedia is extensively illustrated with photographs, maps, diagrams, and tables, and has thematic content lists and a comprehensive index to facilitate searching and browsing.
Author : Robert Hershler
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.3/5 (243 download)
Download or read book A Revision of the North American Freshwater Snail Genus Fontigens (Prosobranchia:Hydrobiidae) written by Robert Hershler and published by . This book was released on 1990 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gary R. Mullen
Publisher : Academic Press
ISBN 13 : 0080919693
Total Pages : 646 pages
Book Rating : 4.0/5 (89 download)
Download or read book Medical and Veterinary Entomology written by Gary R. Mullen and published by Academic Press. This book was released on 2009-04-22 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: Medical and Veterinary Entomology, Second Edition, has been fully updated and revised to provide the latest information on developments in entomology relating to public health and veterinary importance. Each chapter is structured with the student in mind, organized by the major headings of Taxonomy, Morphology, Life History, Behavior and Ecology, Public Health and Veterinary Importance, and Prevention and Control. This second edition includes separate chapters devoted to each of the taxonomic groups of insects and arachnids of medical or veterinary concern, including spiders, scorpions, mites, and ticks. Internationally recognized editors Mullen and Durden include extensive coverage of both medical and veterinary entomological importance. This book is designed for teaching and research faculty in medical and veterinary schools that provide a course in vector borne diseases and medical entomology; parasitologists, entomologists, and government scientists responsible for oversight and monitoring of insect vector borne diseases; and medical and veterinary school libraries and libraries at institutions with strong programs in entomology. Follows in the tradition of Herm's Medical and Veterinary Entomology The latest information on developments in entomology relating to public health and veterinary importance Two separate indexes for enhanced searchability: Taxonomic and Subject New to this edition: Three new chapters Morphological Adaptations of Parasitic Arthropods Forensic Entomology Molecular Tools in Medical and Veterinary Entomology 1700 word glossary Appendix of Arthropod-Related Viruses of Medical-Veterinary Importance Numerous new full-color images, illustrations and maps throughout
Author : Eleonora Trajano
Publisher : CRC Press
ISBN 13 : 1439840482
Total Pages : 496 pages
Book Rating : 4.4/5 (398 download)
Download or read book Biology of Subterranean Fishes written by Eleonora Trajano and published by CRC Press. This book was released on 2010-05-20 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: In most habitats, adaptations are the single most obvious aspects of an organism's phenotype. However, the most obvious feature of many subterranean animals are losses, not adaptations. Even Darwin saw subterranean animals as degenerates: examples of eyelessness and loss of structure in general. For him, the explanation was a straightforward Lamarc
Author : J. Harlen Bretz
Publisher :
ISBN 13 :
Total Pages : 524 pages
Book Rating : 4.F/5 ( download)
Download or read book Caves of Missouri written by J. Harlen Bretz and published by . This book was released on 1956 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Luella Agnes Owen
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.:/5 (5 download)
Download or read book Cave Regions of the Ozarks and Black Hills written by Luella Agnes Owen and published by . This book was released on 1898 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tim Caro
Publisher : Island Press
ISBN 13 : 159726959X
Total Pages : 394 pages
Book Rating : 4.5/5 (972 download)
Download or read book Conservation by Proxy written by Tim Caro and published by Island Press. This book was released on 2010-06-23 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: The vast scope of conservation problems has forced biologists and managers to rely on "surrogate" species to serve as shortcuts to guide their decision making. These species-known by a host of different terms, including indicator, umbrella, and flagship species-act as proxies to represent larger conservation issues, such as the location of biodiversity hotspots or general ecosystem health. Synthesizing an immense body of literature, conservation biologist and field researcher Tim Caro offers systematic definitions of surrogate species concepts, explores biological theories that underlie them, considers how surrogate species are chosen, critically examines evidence for and against their utility, and makes recommendations for their continued use. The book clarifies terminology and contrasts how different terms are used in the real world considers the ecological, taxonomic, and political underpinnings of these shortcuts identifies criteria that make for good surrogate species outlines the circumstances where the application of the surrogate species concept shows promise Conservation by Proxy is a benchmark reference that provides clear definitions and common understanding of the evidence and theory behind surrogate species. It is the first book to review and bring together literature on more than fifteen types of surrogate species, enabling us to assess their role in conservation and offering guidelines on how they can be used most effectively.
Author : Philip E. van Beynen
Publisher : Springer Science & Business Media
ISBN 13 : 9400712073
Total Pages : 490 pages
Book Rating : 4.4/5 (7 download)
Download or read book Karst Management written by Philip E. van Beynen and published by Springer Science & Business Media. This book was released on 2011-06-21 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing specifically on the management of karst environments, this volume draws together the world’s leading karst experts to provide a vital source for the study and management of this unique physical setting. Although karst landscapes cover 12% of the Earth’s terrain and provide 25% of the world’s drinking water, the resource management of karst environments has only previously received indirect attention. Through a comprehensive approach, Karst Management focuses on engineering issues associated with surface karst such as quarries, dams, and agriculture, subsurface topics such as the management of groundwater, show caves, cave biota, and geo-archaeology projects. Chapters that focus on karst as an integrated system look at IUCN World Heritage sites, national parks, policy and regulation, measuring systematic disturbance, information management, and public environmental education. The text incorporates the most up-to-date research from leading karst scientists. This volume provides important perspectives for university students, educators, geoengineers, resource managers, and planners who are interested in or work with this unique physical landscape.
