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Bibliography on Reservoir Fishery Biology in North America by Robert M. Jenkins Pdf
This bibliography on reservoir fishery biology comprises 1,210 references under 14 general subject headings. Within subject categories, citations are arranged alphabetically by authors, without cross-indexing or multiple iisting. The references include many graduate theses and dissertations, mimeographed State fishery agency administrative reports, and Federal Aid job completion reports concerning reservoirs.
United States. Bureau of Sport Fisheries and Wildlife
Author : United States. Bureau of Sport Fisheries and Wildlife Publisher : Unknown Page : 68 pages File Size : 49,7 Mb Release : 1941 Category : Fisheries ISBN : OSU:32435031475981
Science Education and Citizenship by S. Terzian Pdf
Science fairs, clubs, and talent searches are familiar fixtures in American education, yet little is known about why they began and grew in popularity. In Science Education and Citizenship, Sevan G. Terzian traces the civic purposes of these extracurricular programs for youth over four decades in the early to mid-twentieth century. He argues that Americans' mobilization for World War Two reoriented these educational activities from scientific literacy to national defense a shift that persisted in the ensuing atomic age and has left a lasting legacy in American science education.
Reproductive Biology and Early Life History of Fishes in the Ohio River Drainage by Thomas P. Simon,Robert Wallus Pdf
Knowledge of the early life stages of fishes is crucial for the effective monitoring and management of fish populations and habitats, and the evaluation of environmental impacts and recovery of endangered species. Unfortunately, the proper identification of targeted species has stunted the development of the field. Now a series has emerged that stands as the leading resource on the reproduction and development of many North American fishes. Reproductive Biology and Early Life History of Fishes in the Ohio River Drainage fills immense gaps in knowledge of issues related to early life development of fishes in the Ohio Basin. Volume 4 addresses the developmental and morphological issues of Perch, Pikeperch, and Darters. This volume describes the characteristics of the family Percidae, and provides a detailed pictorial guide to the young of all fish families present in the Ohio River drainage. Subtopics within each species description include range, distribution, occurrence, spawning, eggs, development, ecology of early life phases, and more. This book serves as both a handbook to help identify individual larval fish, and as a reference for those concerned with the overall health of the ecosystems or fisheries that they are monitoring.
North American Watersnakes by J. Whitfield Gibbons,Michael E. Dorcas Pdf
Many people fear snakes, and watersnakes in particular have one of the worst reputations of any snake found in North America. Some species are commonly mistaken for venomous cottonmouths, and a few may eat popular game fishes. Unfortunately, few people realize the important roles many watersnakes play in natural ecosystems and, consequently, they are still persecuted in many regions today. Seeking to overcome common misperceptions, J. Whitfield Gibbons and Michael E. Dorcas have compiled North American Watersnakes, the first comprehensive study of all fourteen species of watersnakes found in the United States, Canada, Mexico, and Cuba. Individual species accounts explore all aspects of the natural history of watersnakes in North America, including their behavior, physiology, life history, ecology, and conservation. Almost 100 color photographs accompany the text, illustrating all 14 species and nearly all subspecies. Supplementing the species accounts are detailed color maps depicting each species distribution and stunning black-and-white drawings by Peri Mason. Easy-to-use keys help readers to identify specimens at hand.
Reproductive Biology and Early Life History of Fishes in the Ohio River Drainage by Robert Wallus,Thomas P. Simon Pdf
This seven-volume series is the most extensive treatise on early life histories of the freshwater fishes of North America. It represents the state-of-the-art in fishery biology and provides a systematic approach to the study of early life histories of all the fishes in this region. Each volume contains distinguishing characteristics and a pictorial