Author : Great Britain, Environment Agency Staff
Publisher :
Page : 33 pages
File Size : 46,48 MB
Release : 2009-11
Category : Groundwater
ISBN : 9781849111317
This handbook brings together the latest research on a range of topics related to the groundwater-surface water interface and hyporheic zones specifically for environmental management practitioners.
Author : Teja Tscharntke
Publisher : Cambridge University Press
Page : 234 pages
File Size : 10,8 MB
Release : 2002-03-21
Category : Nature
ISBN : 9780521791106
The multitrophic level approach to ecology addresses the complexity of food webs much more realistically than the traditional focus on simple systems and interactions. Only in the last few decades have ecologists become interested in the nature of more complex systems including tritrophic interactions between plants, herbivores and natural enemies. Plants may directly influence the behaviour of their herbivores' natural enemies, ecological interactions between two species are often indirectly mediated by a third species, landscape structure directly affects local tritrophic interactions and below-ground food webs are vital to above-ground organisms. The relative importance of top-down effects (control by predators) and bottom-up effects (control by resources) must also be determined. These interactions are explored in this exciting volume by expert researchers from a variety of ecological fields. This book provides a much-needed synthesis of multitrophic level interactions and serves as a guide for future research for ecologists of all descriptions.
Author : Ilse Bartsch
Publisher : Springer-Verlag
Page : 399 pages
File Size : 15,58 MB
Release : 2017-11-13
Category : Science
ISBN : 3662559587
Chelicerata are a basically terrestrial group of invertebrates, including many clades whose representatives have never found an evolutionary way to aquatic live. An exception is made by the spiders, which include a considerable number of hygrophilous species, and by the highly diverse aquatic mites which in inland water habitats are represented by members of numerous different clades having evolved an aquatic or amphibious lifestyle. For the first time the present taxonomic knowledge about these different groups of invertebrates is brought together in an overview for the Central-European fauna. This volume includes taxonomic keys and ecological information concerning hygrophilous and aquatic spiders, a general introduction to mites, and the treatment of three mite groups generally known from terrestrial habitats. Also, the freshwater-dwelling representatives of the originally marine Halacaridae are treated, and the species-rich true freshwater mites (Hydrachnidia) are represented in ageneral overview.
Author : Fernando Álvarez
Publisher : Springer
Page : 240 pages
File Size : 44,68 MB
Release : 2019-05-09
Category : Science
ISBN : 3030112624
This volume investigates the contemporary fauna that inhabit the Cuatro Ciénegas Basin. Divided into 15 chapters, it addresses and describes their diversity, taxonomic and biogeogaphic affinities, and ecological characteristics. The Cuatro Ciénegas Valley is a unique oasis in the south-central region of the State of Coahuila, part of the Sonoran Desert, in Mexico. Several clues, specially derived from the study of the microbiota, suggest a very ancient origin of the valley and its permanence through time. This condition had promoted a high level of endemism and led to unique interactions between the resident species.
Author : John Cairns
Publisher : Butterworth-Heinemann
Page : 304 pages
File Size : 15,15 MB
Release : 1982
Category : Science
ISBN :
Author : William Sobol
Publisher :
Page : 230 pages
File Size : 16,26 MB
Release : 2017-06-22
Category : Science
ISBN : 9781682864630
This book traces the progress of hydrology and hydrogeology and highlights some of their key concepts and applications. Hydrology refers to the study of the movement, quality and distribution of the water on our planet as well as other celestial bodies. The three main sub-fields of hydrology are ground water hydrology also known as hydrogeology, surface water hydrology and marine hydrology. This text will provide significant information about these rapidly growing fields. It will give in-depth knowledge about the latest advances within this area and its uses in earth sciences. The book is an essential guide for both academicians and those who wish to pursue this discipline further. In this book, using case studies and examples, constant effort has been made to make the understanding of the different concepts of hydrology and hydrogeology as easy and informative as possible, for the readers.
