Tropical Stream Ecology

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Tropical Stream Ecology

Tropical Stream Ecology written by David Dudgeon and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-04 with Science categories.

Tropical Stream Ecology describes the main features of tropical streams and their ecology. It covers the major physico-chemical features, important processes such as primary production and organic-matter transformation, as well as the main groups of consumers: invertebrates, fishes and other vertebrates. Information on concepts and paradigms developed in north-temperate latitudes and how they do not match the reality of ecosystems further south is expertly addressed. The pressing matter of conservation of tropical streams and their biodiversity is included in almost every chapter, with a final chapter providing a synthesis on conservation issues. For the first time, Tropical Stream Ecology places an important emphasis on viewing research carried out in contributions from international literature. - First synthetic account of the ecology of all types of tropical streams - Covers all of the major tropical regions - Detailed consideration of possible fundamental differences between tropical and temperate stream ecosystems - Threats faced by tropical stream ecosystems and possible conservation actions - Descriptions and synstheses life-histories and breeding patterns of major aquatic consumers (fishes, invertebrates)

Patterns And Processes In Stream Ecology

Patterns And Processes In Stream Ecology written by David Dudgeon and has been published by Balogh Scientific Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Science categories.

There are at least two ways of approaching the study of nature. One tactic is to investigate a habitat or any convenient local environment with the aim of producing an inventory of the type of organisms found there, preferably with some indication of their relative abundance or population densities. The second approach concentrates upon what the organisms are doing in the habitat, and might involve measuring attributes of groups of animals which tend to exhibit similar interactions or use the same resources ? such as predators or the animals which eat plant foliage ? but which are not necessarily closely related. In the first case we are asking a descriptive question: "Which organisms live in the habitat?" We label them using a scientific name, but without additional information this does not provide us with any understanding of the habitat. In the second case we ask: "What are the organisms doing?" ? a functional question. The two approaches are complementary, with the descriptive approach often preceding the functional one, but they are nonetheless distinct. The ecological literature exhibits a clear dichotomy between these approaches, and books tend to focus on either one or the other. If the main goal is to introduce the reader to descriptive studies, an identification manual (with keys and line drawings) would be the usual publication. If the functional approach is adopted, an introduction to ecological patterns and the processes bringing them about would be the subject of the text. Rather little is known about the ecology of seasonal tropical freshwaters in general, and Hong Kong's freshwaters in particular. Moreover, there has been no attempt to synthesize the material that is available in the primary scientific literature. This book outlines the main ecological patterns, both temporal and spatial, which characterize Hong Kong streams and rivers. Attempts are made to account for the observed patterns by recourse to characteristics of the populations that comprise freshwater communities, and the properties and interactions of the individual organisms constituting those populations. Attention is centred upon animals although they are not considered to the exclusion of plants. The intention here has not been to produce an identification guide; indeed, it is worth emphasizing that our taxonomic knowledge of Hong Kong running-water fauna is restricted, as reflected in this text by the use of letters or numbers to designate as yet undescribed species within genera.

Ecology

Ecology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Ecology categories.

Community Ecology

Community Ecology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Botany categories.

Fundamental And Applied Limnology

Fundamental And Applied Limnology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Aquatic biology categories.

Tropical Asian Streams

Tropical Asian Streams written by David Dudgeon and has been published by Hong Kong University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-01-01 with Science categories.

This book deals with the ecology of rivers and streams in the Oriental Region, and describes the composition of their unique fauna - especially the diverse array of animals which live on and among the bottom sediments. Dichotomous keys are provided as an aid to the identification of these animals, and the book is illustrated by over 100 pages of line drawings and maps. Special emphasis is given to the impact of human activities on streams and rivers, and the book concludes with a discussion of conservation and management options for these endangered habitats.

Ecology Abstracts

Ecology Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Ecology categories.

Coverage: 1982- current; updated: monthly. This database covers current ecology research across a wide range of disciplines, reflecting recent advances in light of growing evidence regarding global environmental change and destruction. Major ares of subject coverage include: Algae/lichens, Animals, Annelids, Aquatic ecosystems, Arachnids, Arid zones, Birds, Brackish water, Bryophytes/pteridophytes, Coastal ecosystems, Conifers, Conservation, Control, Crustaceans, Ecosyst em studies, Fungi, Grasses, Grasslands, High altitude environments, Human ecology, Insects, Legumes, Mammals, Management, Microorganisms, Molluscs, Nematodes, Paleo-ecology, Plants, Pollution studies, Reptiles, River basins, Soil, TAiga/tundra, Terrestrial ecosystems, Vertebrates, Wetlands, Woodlands.

Marine Freshwater Research

Marine Freshwater Research written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Freshwater biology categories.

Biological Agricultural Index

Biological Agricultural Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Agriculture categories.

Trophic Cascades

Trophic Cascades written by John Terborgh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-04-20 with Nature categories.

Trophic cascades—the top-down regulation of ecosystems by predators—are an essential aspect of ecosystem function and well-being. Trophic cascades are often drastically disrupted by human interventions—for example, when wolves and cougars are removed, allowing deer and beaver to become destructive—yet have only recently begun to be considered in the development of conservation and management strategies. Trophic Cascades is the first comprehensive presentation of the science on this subject. It brings together some of the world’s leading scientists and researchers to explain the importance of large animals in regulating ecosystems, and to relate that scientific knowledge to practical conservation. Chapters examine trophic cascades across the world’s major biomes, including intertidal habitats, coastal oceans, lakes, nearshore ecosystems, open oceans, tropical forests, boreal and temperate ecosystems, low arctic scrubland, savannas, and islands. Additional chapters consider aboveground/belowground linkages, predation and ecosystem processes, consumer control by megafauna and fire, and alternative states in ecosystems. An introductory chapter offers a concise overview of trophic cascades, while concluding chapters consider theoretical perspectives and comparative issues. Trophic Cascades provides a scientific basis and justification for the idea that large predators and top-down forcing must be considered in conservation strategies, alongside factors such as habitat preservation and invasive species. It is a groundbreaking work for scientists and managers involved with biodiversity conservation and protection.