Taxonomy and Distribution of the Calanoid Copepod Family Heterorhabdidae PDF Download
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Author: Taisoo Park Publisher: Univ of California Press ISBN: 0520916026 Category : Science Languages : en Pages : 284
Book Description
In this revision of the calanoid copepod family Heterorhabdidae, 7 genera and 59 species are recognized, and 25 species are described as new. Included are keys to the genera and descriptions and illustrations of all species. A hypothesis of phylogenetic relationships is presented, and the geographic distribution of the species is discussed.
Author: Taisoo Park Publisher: Univ of California Press ISBN: 0520916026 Category : Science Languages : en Pages : 284
Book Description
In this revision of the calanoid copepod family Heterorhabdidae, 7 genera and 59 species are recognized, and 25 species are described as new. Included are keys to the genera and descriptions and illustrations of all species. A hypothesis of phylogenetic relationships is presented, and the geographic distribution of the species is discussed.
Author: Charles B. Miller Publisher: Oxford University Press ISBN: 0197637329 Category : Nature Languages : en Pages : 537
Book Description
Oar Feet and Opal Teeth is about free-living copepods and the copepodologists who study them. Copepods are a subclass of the arthropod class Crustacea. They act as dominant herbivores and small predators in the planktonic ecosystems of oceans, estuaries, and lakes. Copepods are likely the largest assemblage of complex animals on earth. These strikingly beautiful small crustaceans are of wide ecological significance and as complex and precisely adapted as insects. Yet few biologists and others interested in animals are familiar with them. In Oar Feet and Opal Teeth, Charles B. Miller introduces these small crustaceans and the scientists devoting their careers to revealing their biology. In twenty-one chapters, Miller details the defining features and general biology of copepods. They typically have four or five pairs of oar-like feet to drive escape jumps. Teeth on mandible extensions are formed with siliceous minerals akin to opal. The first two chapters of the book closely examine the oar feet and mouth parts. Subsequent chapters describe internal anatomy, taxonomy, and many aspects of copepod natural history. Recent evolutionary insights about them are reviewed; those are based on molecular genetics and reach back to the Cambrian explosion. Oar Feet and Opal Teeth includes over twenty biographical sketches of copepodologists from the mid-twentieth century to the present. Among them, Russell Hopcroft, a premier photographer of plankton, has full-color copepod images featured throughout the book. Jeannette Yen learned how Euchaeta marina detects prey and studies how ready-for-mating copepods find each other. Shinichi Uye of Hiroshima University studied the production by copepods of resting eggs and their delayed development. Grace Wyngaard is studying the special embryonic cell-divisions of some lake copepods for eliminating "junk DNA." Miller based most of the profiles featured in the book on personal interviews he conducted.
Author: Dino T. Tordesillas Publisher: ISBN: Category : Languages : en Pages : 75
Book Description
More than three decades have passed since the most comprehensive study on Philippine zooplankton in 1978, which recorded five species of calanoid copepods. This study is an attempt to update the calanoid copepod records of the country and document changes in species composition and distribution. Twenty seven freshwater lakes were included in this study and five calanoid species were also identified, only two of which were identified in the 1978 study. Members of genus Tropodiaptomus and the rare endemic Filipinodiaptomus insulanus were no longer collected. Incidentally, a neotropical calanoid, Arctodiaptomus dorsalis, was recorded in 19 of the 27 lakes, indicating an invasion of this alien species. With these new records, a significant difference in calanoid taxonomy and distribution has occurred within the past three decades. Increased eutrophication, whether natural or anthropogenic, and the presence of invasive species have contributed in the decline of calanoid species richness and the displacement of other calanoids. Further studies should include smaller bodies of freshwater and the use of more updated equipment for sampling and analysis.
Author: Claudia Castellani Publisher: Oxford University Press ISBN: 0199233268 Category : Science Languages : en Pages : 715
Book Description
A thorough understanding of planktonic organisms is the first step towards a real appreciation of the diversity, biology, and ecological importance of marine life. A detailed knowledge of their distribution and community composition is particularly important since these organisms are often very delicate and sensitive to change, and can be used as early indicators of environmental change. Natural and man-induced modification of the environment can affect both the distribution and composition of plankton, with important ecological and economic impacts. Marine Plankton provides a practical guide to plankton biology with a large geographic coverage spanning the North Sea to the north-eastern Atlantic coast of the USA and Canada. The book is divided into three sections: an overview of plankton ecology, an assessment of methodology in plankton research covering sampling, preservation, and counting of samples, and a taxonomic guide richly illustrated with detailed line drawings to aid identification. This is an essential reference text suitable for senior undergraduate and graduate students taking courses in marine ecology (particularly useful for fieldwork) as well as for professional marine biologists. It will also be of relevance and use to environmental scientists, conservation biologists, marine resource managers, environmental consultants, and other specialised practitioners.
Author: Publisher: Academic Press ISBN: 0080579566 Category : Science Languages : en Pages : 721
Book Description
This special volume of Advances in Marine Biology covers in detail the biology of calanoid copepods. Copepods are probably the most numerous multicellular organisms on earth. They are aquatic animals that live in both marine and fresh water, and are of prime importance in marine ecosystems as they form a direct link between phytoplankton and fish. This volume is essential for all marine biologists.Advances in Marine Biology contains up-to-date reviews of all areas of marine science, including fisheries science and macro/micro fauna. Each volume contains peer-reviewed papers detailing the ecology of marine regions.
Author: Taisoo Park
Author: Taisoo Park
Author: Charles B. Miller
Author: Dino T. Tordesillas
Author: Claudia Castellani
Author: George Daniel Grice
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Author: G. P. Farran
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Author: Geoffrey Allan Boxshall
Author: Rubens M. Lopes