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Author : Colin Robert Curds
Publisher : Unknown
Page : 492 pages
File Size : 50,6 Mb
Release : 1982
Category : Ciliata
ISBN : UCSD:31822008692998
Author : Colin R. Curds,Michael A. Gates,David M. Roberts
Publisher : Unknown
Page : 128 pages
File Size : 43,7 Mb
Release : 1982
Category : Electronic
ISBN : OCLC:634472798
Author : Colin R. Curds
Publisher : Unknown
Page : 128 pages
File Size : 52,5 Mb
Release : 1982
Category : Electronic
ISBN : OCLC:874012408
Author : Colin Robert Curds
Publisher : Unknown
Page : 104 pages
File Size : 43,7 Mb
Release : 1969
Category : Bestemmelsesværk
ISBN : CORNELL:31924003404377
Author : Colin Robert Curds
Publisher : Unknown
Page : 128 pages
File Size : 48,6 Mb
Release : 1960
Category : Electronic
ISBN : OCLC:500430577
Author : C. R. Curds
Publisher : Cambridge University Press
Page : 488 pages
File Size : 55,6 Mb
Release : 1983-03-24
Category : Science
ISBN : 0521250331
Author : Bihari Lal Bhatia
Publisher : Unknown
Page : 493 pages
File Size : 42,8 Mb
Release : 1936
Category : Ciliata
ISBN : OCLC:299895446
Author : Hartmut Bick
Publisher : Unknown
Page : 202 pages
File Size : 45,8 Mb
Release : 1972
Category : Science
ISBN : UOM:39015006522158
Author : J. Athersuch,David J. Horne,John E. Whittaker
Publisher : Brill Archive
Page : 406 pages
File Size : 47,9 Mb
Release : 1989
Category : Science
ISBN : 9004090797
Author : John O. Corliss
Publisher : Pergamon
Page : 482 pages
File Size : 53,5 Mb
Release : 1979
Category : Science
ISBN : UCSD:31822017755737
Author : H. Bick
Publisher : Unknown
Page : 198 pages
File Size : 45,5 Mb
Release : 1972-01-01
Category : Electronic
ISBN : 9241540281
Author : David L. Hawksworth
Publisher : CRC Press
Page : 486 pages
File Size : 53,9 Mb
Release : 2003-06-26
Category : Science
ISBN : 0415326818
Periodic comprehensive overviews of the status of the diverse organisms that make up wildlife are essential to determining trends, threats and future prospects. Just over 25 years ago, leading authorities on different kinds of wildlife came together to prepare an assessment of their status of a wide range of organisms in Great Britain and Ireland in The Changing Flora and Fauna of Britain, also edited by Professor David L. Hawksworth CBE. Now, in The Changing Wildlife of Great Britain and Ireland, he has gathered together some of the original and also new contributors to review changes since that time and look to the future. Contributions range from viruses, diatoms, fungi, lichens, mites and nematodes; through butterflies, dragonflies, flies and slugs; to flowering plants, ferns, mammals, birds and fish. The state of knowledge in different groups is assessed, and the effectiveness of statutory and other measures taken to safeguard wildlife considered. The picture is far from bleak, ameliorating sulphur dioxide levels have benefited sensitive lichens and mosses in a dramatic way, water quality improvement has been beneficial, there have been few certain extinctions and rediscoveries of species thought to have been lost. Biodiversity Action Plans have also benefited targeted species, but habitat restoration and management for some is not always good for others. But there are worrying trends in declining populations, with an increasing number being regarded as threatened or endangered, especially in agricultural areas, and where woodland management has changed, particular threats from introduced species, and concern over the effects of climate change. Some of the smaller organisms remain poorly known, a situation unlikely to change as expertise in many is scant or being lost. This stock-check and look to the future will be a key source book to conservationists, naturalists, and professional biologists for many years to come.
Author : Susana Serrano,Lucia Arregui,Blanca Perez-Uz,Pilar Calvo,Almudena Guinea
Publisher : IWA Publishing
Page : 137 pages
File Size : 43,6 Mb
Release : 2008-02-01
Category : Science
ISBN : 9781843391715
Ciliated protozoa are one of the most relevant biological communities in the reactors of wastewater treatment plants. These organisms are excellent tools to assess the biological status of the reactor being used to monitor wastewater treatment plants performance. This book has been designed to simplify identification of ciliates, bearing in mind the difficulties on the manipulation and proper identification of these species. The specific role of ciliates in WWTP is discussed; methods for observation together with a glossary of scientific words and a simple and easy key to the taxonomic groups of ciliates are also provided. Illustrations, drawings, photographs and brief morphological descriptions of the species are included. Guidelines for the Identification of Ciliates in Wastewater Treatment Plants is the first book to use the new official classification proposed by the Society of Protozoologists (2005). It includes a complete chapter on methodology that is designed to be easy to follow and reproduce. A simple key to classify main taxonomic groups and genera is included, as are detailed descriptions to aid observation and identification of species of ciliates, in addition to drawings and photographs that accurately reproduce ciliate species.
Author : Cristina Damborenea,D. Christopher Rogers,James H. Thorp
Publisher : Academic Press
Page : 1048 pages
File Size : 51,8 Mb
Release : 2020-06-26
Category : Science
ISBN : 9780128042663
Thorp and Covich's Freshwater Invertebrates, Volume 5: Keys to Neotropical and Antarctic Fauna, Fourth Edition, covers inland water invertebrates of the world. It began with Ecology and General Biology, Volume One (Thorp and Rogers, editors, 2015) and was followed by three volumes emphasizing taxonomic keys to general invertebrates of the Nearctic (2016), neotropical hexapods (2018), and general invertebrates of the Palearctic (2019). All volumes are designed for multiple uses and levels of expertise by professionals in universities, government agencies, private companies, and graduate and undergraduate students. Includes zoogeographic coverage of the entire Neotropics, from central Mexico and the Caribbean Islands, to the tip of South America Provides identification keys for aquatic invertebrates to genus or species level for many groups, with keys progressing from higher to lower taxonomic levels Contains terminology and morphology, materials preparation and preservation, and references
Author : Michael Schagerl
Publisher : Springer
Page : 408 pages
File Size : 43,5 Mb
Release : 2016-08-16
Category : Science
ISBN : 9783319286228
This book is devoted to the alkaline-saline lakes of East Africa, which include the world-famous “flamingo lakes”. It covers the full range of issues, from the lakes’ origin and history, life in and around these unique water bodies, to utilization, threats and management considerations. The authors, all of whom are leading international experts, summarize research done so far, highlight new and important findings, and provide future outlooks. The book is divided into three main sections: “Genesis, physics and chemistry” tackles lake development and the astounding physico-chemistry of the lakes. “Organisms and ecology” presents information about the many lake inhabitants, their interactions and adaptations to the extreme living conditions. “Utilization, management and perspectives” addresses threats such as lake exploitation and pollution, but also considers potential uses. This book will be particularly relevant to researchers and lecturers in the field of limnology and aquatic ecology, but is also designed to attract all those interested in nature and life on our planet.