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The collapse of cod, flounder, and haddock fish stocks in the Northeast United States has caused widespread concern among managers and fishers in the United States and Canada. The diminishing stocks have forced managers to take strict regulatory measures. Numerous questions have been raised about the adequacy of stock assessment science used to evaluate the status of these stocks and the appropriateness of the management measures taken. Based on these concerns, Congress mandated that a scientific review of the methodology and data used to evaluate these stocks be conducted. In this volume, the committee concludes that although there are improvements to be made in data collection, modeling uncertainty, and communicating between fishers, managers, and scientists, the scientific methods used in the Northeast stock assessments are sound. Recommendations are made on how the stock assessment process can be improved.

TECHNOLOGY & ENGINEERING --- Fisheries & Aquaculture --- Fish stock assessment --- Fishery management --- Agriculture --- Earth & Environmental Sciences --- Animal Sciences --- Fish management --- Fisheries --- Fisheries management --- Fishery resources --- Assessment, Fish stock --- Fisheries stock assessment --- Fishery stock assessment --- Fishes --- Stock assessment, Fish --- Management --- Stock assessment --- Aquatic resources --- Wildlife management --- Fish counting towers --- Overfishing --- Fish populations --- Measurement --- Estimates

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Wildlife conservation --- Animal conservation --- Animals --- Conservation of wildlife --- Preservation of wildlife --- Protection of wildlife --- Species conservation --- Species preservation --- Species protection --- Wildlife preservation --- Wildlife protection --- Wildlife resources conservation --- Wildlife resources preservation --- Wildlife resources protection --- Conservation of natural resources --- Nature conservation --- Endangered species --- Wildlife management --- Law and legislation --- Conservation

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"Twenty years ago, Working for Wildlife was published to wide acclaim. It remains the definitive history of the beginnings of wildlife consciousness in Canada. Janet Foster shows how, in the early decades of this century, a small band of dedicated civil servants transformed their own goals of preserving endangered animals into active government policy." "Today, the names of these individuals are scarcely known to most Canadians. Yet it was their commitment and dedication that charted the course of today's ecological movement. This new edition of Foster's important book will be welcomed by students of environmental studies, geography, and Canadian history, as well as by members of naturalist clubs and conservation societies. Lorne Hammond's new material places the book in context and provides readers with a sense of what has happened in the field since."--Jacket.

Wildlife conservation --- Animal conservation --- Animals --- Conservation of wildlife --- Preservation of wildlife --- Protection of wildlife --- Species conservation --- Species preservation --- Species protection --- Wildlife preservation --- Wildlife protection --- Wildlife resources conservation --- Wildlife resources preservation --- Wildlife resources protection --- Conservation of natural resources --- Nature conservation --- Endangered species --- Wildlife management --- History. --- Conservation --- Animal populations --- Game management --- Management, Game --- Management, Wildlife --- Plant populations --- Wildlife resources --- Natural resources --- Management --- Kanada. --- Kanada --- Canada. --- Canada (Province) --- Canadae --- Ceanada --- Chanada --- Chanadey --- Dominio del Canadá --- Dominion of Canada --- Jianada --- Kʻaenada --- Kaineḍā --- Ḳanadah --- Kanadaja --- Kanadas --- Ḳanade --- Kanado --- Kanakā --- Province of Canada --- Republica de Canadá --- Yn Chanadey --- Canada --- Puissance du Canada --- Kanadier --- Provinz Kanada --- 01.07.1867 --- -Wildlife conservation

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Tropical habitats may contain more than a third of the world's plant and animal species; Costa Rica alone is home to one of the highest levels of biodiversity per unit area in the world, and stands at center stage in worldwide conservation efforts. Within such regions, the use of state-of-the-art digital mapping technologies-sophisticated techniques that are relatively inexpensive and accessible-represents the future of conservation planning and policy. These methods, which employ satellites to obtain visual data on landscapes, allow environmental scientists to monitor encroachment on indigenous territories, trace park boundaries through unmarked wilderness, and identify wildlife habitats in regions where humans have limited access.Focusing on the rich biodiversity of Costa Rica, the contributors demonstrate the use of geographic information systems (GIS) to enhance conservation efforts. They give an overview of the spatial nature of conservation and management and the current status of digital mapping in Costa Rica; a review of the basic principles behind digital mapping technologies; a series of case studies using these technologies at a variety of scales and for a range of conservation and management activities; and the results of the Costa Rican gap analysis project. GIS Methodologies for Developing Conservation Strategies provides powerful tools for those involved in decision-making about the natural environment, particularly in developing nations like Costa Rica where such technologies have not yet been widely adopted. For specialists in such areas as geography, conservation biology, and wildlife and natural resource management, the combination of conceptual background and case examples make the book a crucial addition to the literature.

Forêt tropicale humide --- Tropical rain forests --- Animal sauvage --- wild animals --- Plante sauvage --- Wild plants --- Conservation des ressources --- Resource conservation --- Système d'information géographique --- Geographical information systems --- Développement durable --- Sustainable development --- Costa Rica --- Wildlife conservation --- Forest conservation --- Geographic information systems --- Digital mapping --- 681.3*H28 --- 528.9 --- 502.35 --- 681.3*H4 --- <728.6> --- Computer cartography --- Computer mapping --- Digitized mapping --- Cartography --- GIS (Information systems) --- Information storage and retrieval systems --- Conservation of forests --- Forest preservation --- Forests and forestry --- Preservation of forests --- Nature conservation --- Deforestation --- Animal conservation --- Animals --- Conservation of wildlife --- Preservation of wildlife --- Protection of wildlife --- Species conservation --- Species preservation --- Species protection --- Wildlife preservation --- Wildlife protection --- Wildlife resources conservation --- Wildlife resources preservation --- Wildlife resources protection --- Conservation of natural resources --- Endangered species --- Wildlife management --- Remote sensing. --- Database applications (Data mining- Image databases - Scientific databases - Spatial databases and GIS - Statistical databases) --- Cartography. Mapping (textual documents) --- Conservation management in general. Monitoring --- Information systems applications (GIS etc.) --- Geography --- Conservation --- Control --- Earth & Environmental Sciences --- Ecology --- Remote sensing --- Digital mapping. --- Environmental Sciences and Forestry. Remote Sensing and Geographical Information Systems --- Geographical Information Systems --- Geographical Information Systems. --- <728.6> Costa Rica --- 681.3*H4 Information systems applications (GIS etc.) --- 502.35 Conservation management in general. Monitoring --- 528.9 Cartography. Mapping (textual documents)