Peter P. Calow

As with all ecosystems, river systems involve a complex interaction of a rich diversity of micro-organisms, plants and animals with their physical and chemical environment. The river habitat presents unique problems for organisms exposed to unidirectional currents, seasonal variation in flow, and disturbance due to pollution and other human interference. The book starts with a description of the taxa, their adaptations and their ecologies, followed by chapters describing the ecosystem processes in terms of trophic interactions and the key production processes related to photosynthesis and decomposition. A major chapter then considers the principles, practices and problems associated with making reliable observations on river organisms, leading to final chapters investigating how river biota are impacted by human activity and how, in turn, they can be used as indicators of these effects in river-management programmes.

Diversity and Dynamics

River Biota

The Handbook of Ecotoxicology provides a readily accessible, yet critical collection of information on ecotoxicological testing. Now available in a single paperback volume, this handbook represents excellent value. Part A concentrates on techniques, especially those tests used for prediction. Thorough descriptions of the main tests are provided, followed by critical analyses in terms of ease of handling, repeatability and ecological relevance, and finally, an extensive bibliography citing key documents describing test methods and key papers evaluating them. Part B focuses on the toxicants themselves: summarising their ecological effects, describing ways of predicting effects from physico-chemical properties alone, and describing and discussing fate models. Now available as a single volume in paperback An invaluable reference resource

Handbook of Ecotoxicology

At the heart of environmental protection is risk assessment: thelikelihood of pollution from accidents; the likelihood of problemsfrom normal and abnormal operation of industrial processes; thelikely impacts associated with new synthetic chemicals; and so on.Currently, risk assessment has been very much in the news--therisks from BSE and E. coli, and the public perception of risks fromnuclear waste, etc. This new publication explains how scientificmethodologies are used to assess risk from human activities and theresultant objects and wastes, on people and the environment.Understanding such risks supplies crucial information--to framelegislation, manage major habitats, businesses and industries, andcreate development programmes. Unique in combining the science of risk assessment with thedevelopment of management strategies. Covers science and social science (politics, economics,psychology) aspects. Very timely - risk assessment lies at the heart of decisionmaking in various topical environmental questions (BSE, Brent Spar,nuclear waste).

Handbook of Environmental Risk Assessment and Management

R. S. K. Barnes

P. J. W. Olive

D. W. Golding

J. I. Spicer

The majority of undergraduate texts in invertebrate zoology (ofwhich there are many) fall into one of two categories. They eitheroffer a systematic treatment of groups of animals phylum by phylum,or adopt a functional approach to the various anatomical andphysiological systems of the better known species. TheInvertebrates is the first and only textbook to integrate bothapproaches and thus meet the modern teaching needs of the subject. This is the only invertebrate textbook to integrate systematicsand functional approaches. The molecular systematics sections have been completely updatedfor the new edition. Strong evolutionary theme which reflects the importance ofmolecular techniques throughout. Distills the essential characteristics of each invertebrategroup and lists diagnostic features to allow comparisons betweenphyla. New phyla have been added for the new edition. Stresses comparisons in physiology, reproduction anddevelopment. Improved layout and illustration quality. Second edition has sold 14000 copies. Nature of the first edition: 'Students will like this book. It deserves to succeed.'

A Synthesis

The Invertebrates

Geoffrey E. Petts

Fast changing legislation and increasing environmental awarenesswithin the non-scientific community demands that the modernapproach to the management of rivers and water resources should bebased on a sound understanding and application of the scientificand ecological principles that underlie freshwater processes. Intwo volumes, The Rivers Handbook offers an expert andexhaustive insight into the principles, methods and tools of modernriver management - always within an integrated and environmentallyacceptable framework. This second volume develops the principlesand philosophies expounded in the first volume into the managementsphere, organizing the approach around problems, diagnosis andtreatment. A fully comprehensive reference to sound methods of modernriver management. The ideal information resource for all river managers.

Peter P. Calow

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