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In this age of increased fundamental and applied research on biodiversity, no single volume was as yet devoted to the various temporal and spatial aspects of aquatic biodiversity. The present book is published in honour of Professor Henri Dumont (Ghent, Belgium) at the occasion of his retirement as Editor-in-Chief of Hydrobiologia. The volume presents a selection of contributions on aquatic biodiversity, written by colleagues from the editorial board, fellow editors of aquatic journals and former students and collaborators. Contributions deal with a wide spectrum of topics related to aquatic biodiversity and cover fields such as actual- and palaeolimnology, taxonomy, and fundamental and applied limnology. Even reconnaissance chapters on management and cultural impact of water bodies are included. The book combines state-of-the-art contributions in aquatic sciences.
"The third edition of Ecology and Classification of North American Freshwater Invertebrates continues the tradition of in-depth coverage of the biology, ecology, phylogeny, and identification of freshwater invertebrates from the USA and Canada. This text serves as an authoritative single source for a broad coverage of the anatomy, physiology, ecology, and phylogeny of all major groups of invertebrates in inland waters of North America, north of Mexico." --Book Jacket.
In the Mediterranean and the Black Sea, the assessment of demersal stocks mainly relies on scientific surveys (bottom and beam trawl) while the assessment of pelagic stocks is essentially based on acoustic surveys using acoustic techniques with mid-water trawling. These routine surveys-at-sea provide essential information, which in turn are crucial to fine-tune the assessments of the status of resources and to estimate more precisely indicators at the population and fish community levels. However, survey practices differ from one subregion to another, each approach having its own strengths and limitations. In addition, there is still a lack of large-scale standardized surveys aimed at analysing the diversity and distribution of the main demersal and pelagic species across the Mediterranean and the Black Sea. One way of tackling this issue is to carry out international scientific surveys covering the main demersal and pelagic stocks based on a common methodology. The methodology presented in this publication aims at supporting the planning and implementation of regional demersal (bottom and beam) trawl and pelagic acoustic surveys. It can be useful for the implementation of new surveys-at-sea in areas where demersal trawl and pelagic acoustic surveys are not regularly carried out. It can also contribute to increasing comparability between existing surveys thanks to the standardization of methods, sampling of catches and data recording and analysis. Finally, it represents a valuable tool to define minimum requirements towards sustainability and management objectives at the regional and subregional level.
This book, sponsored by the UN Environmental Programme and carried out by the Blue Plan Regional Activity Centre, reports on the Mediterranean's economic and environmental prospects over the next forty years. The study uses "scenarios" to explore the implications of particular types of change and choices of action, considering the environmental impact of various economic sectors--agriculture, industry, energy, tourism, and transportation--as well as the threat posed by urbanization and development of coastal zones. Featuring a wide range of statistical material presented in tables and maps, this work is unique in making comparisons between so many different countries on a range of ecological and economic variables.
Examination of corals and reef-associated organisms which endure in extreme coral reef environments is challenging our understanding of the conditions that organisms can survive under. By studying individuals naturally adapted to unfavorable conditions, we begin to better understand the important traits required to survive rapid environmental and climate change. This Research Topic, comprising reviews, and original research articles, demonstrates the current state of knowledge regarding the diversity of extreme coral habitats, the species that have been studied, and the knowledge to-date on the mechanisms, traits and trade-offs that have facilitated survival.
Although widely advocated, sustainable tourism is subject to numerous interpretations -- from environmentally friendly forms of tourism to maintaining the economic viability of tourist activity in a specific place. This book explores various views on sustainable tourism and demonstrates its complexity and diversity, in order to clarify the issues in operational terms. It addresses questions such as: can tourist activity be sustainable economically; can tourism lead to sustainability from an environmental perspective; and what is the role of tourism as a sustainable development strategy? Much of the book consists of a series of European case studies, from the U.K., France, Spain, Italy and Greece. These case studies cover three main themes: recreation and tourism in natural and rural areas; coastal tourism; and islands. The book represents a valuable supplementary text for students of tourism, as well as related disciplines such as geography, economics, environmental management, and local and regional planning and development.
In a time of rapid climatic, industrial and technological changes in molluscan shellfish producing and exporting regions, it is of the utmost importance to keep a keen eye on developing trends. This collection of recent research in molluscan shellfish safety, risk assessment, risk management, regulation and analytical methods presented at the 8th ICMSS (International Conference on Molluscan Shellfish Safety) offers valuable insights in the latest scientific findings. Dans le contexte actuel de changements climatiques, industriels et technologiques rapides dans les régions qui produisent et qui exportent des mollusques, il est essentiel de rester à l’affût des nouvelles tendances. Ce recueil des récents travaux de recherche dans les domaines de la salubrité des mollusques, des évaluations des risques, de la gestion des risques, de la réglementation et des méthodes d’analyse présentés lors de la 8e Conférence internationale sur la salubrité des coquillages (ICMSS) vous aidera à le faire.
Twenty-four essays from a symposium sponsored by the Ecological Society of America, Fort Collins, CO, 1984. The focus is on a single theme: that the mere presence of a predator can influence interactions between two or more competing species in many important ways, all of which have previously been included under the nebulous term effects. Annotation copyrighted by Book News, Inc., Portland, OR