Download or read book Opisthobranchs from the western Indian Ocean with descriptions of two new species and ten new records Mollusca Gastropoda written by Nathalie Yonow and published by PenSoft Publishers LTD. This book was released on 2012-05-22 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: This large work on sea slugs of the Western Indian Ocean is a major contribution to our knowledge of opisthobranch diversity and biogeography.ÿ The western Indian Ocean has long been known as a distinct biogeographical region, and reports of opisthobranchs from the province have been sporadic.ÿ Despite nearly 200 years of study, recent work estimates that there are more than 1000 undescribed species in the whole of the Indo-Pacific region.ÿ There have been considerable developments in the study of many taxonomic groups for the area in the last 50 years, including opisthobranchs, and this paper describes 70 species, of which ten species are recorded from the western Indian Ocean for the first time.ÿ Many phyllidiids and chromodorids seem to have a distribution limited to the western Indian Ocean, whilst there seem to be differences in species richness between coastal areas and island groups.ÿ Further work will shed light on many of these issues.
Download or read book Molluscs Benthic Opisthobranchs Mollusca Gastropoda written by T E Thompson and published by BRILL. This book was released on 2023-08-14 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A New Polycera Opisthobranchia Mollusca from Bah a de Banderas M xico written by Alicia Hermosillo and published by . This book was released on 2007 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Systematics Phylogeny and Biology of Opisthobranchs Molluscs written by Juan Lucas Cervera and published by . This book was released on 2001 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Mollusks written by Charles F. Sturm and published by Universal-Publishers. This book was released on 2006 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mollusks have been important to humans since our earliest days. Initially, when humans were primarily interested in what they could eat or use, mollusks were important as food, ornaments, and materials for tools. Over the centuries, as human knowledge branched out and individuals started to study the world around them, mollusks were important subjects for learning how things worked. In this volume, the editors and contributors have brought together a broad range of topics within the field of malacology. It is our expectation that these topics will be of interest and use to amateur and professional malacologists.
Download or read book The Marine Biology of the South China Sea III written by Brian Morton and published by Hong Kong University Press. This book was released on 1998-07-01 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first conference on the Marine Biology of the South China Sea was convened in Hong Kong in 1990, to celebrate the opening of the Swire Institute of Marine Science. The second was convened in Guangzhou, China, in 1993. The third conference returned toHong Kong in 1996 and, in a continuing pattern of growth, was attended by 127 scientists and students from 14 countries and territories. Of the 1O4 keynote addresses, papers and posters presented at the meeting, 42 are published here, following critical peer review, under the symposium categories of Taxonomy and Biological Diversity, Biology and Ecology and Coastal Zone Management and Conservation of the Biological Resources, of the South China Sea.Each conference sets its own symposia themes but in view of the rapid, perceived, decline in the marine environment of the South China Sea and the overexploitation of its resources, the 1996 meeting focused its attention on these issues.There are many meetings related to marine science convened by the countries of the South China rim. Some are national, others are international, but most are typically convened by agencies and attendance is restricted to an invited few, usually senior scientists. Europe hosts a European Marine Biology Symposium, that is convened in a different country each year and which sets the meeting's themes. The proceedings of those meetings constitute one of the most authoritative accounts of the marine biology of European waters. The meeting itself provides a forum for scientists and students, so that international collaborative research is now a key feature of European marine science. First convened in 1996, the 32 symposia are a tribute to international co-operation in research in a marine environment that, of itself, knows no boundaries.The South China Sea countries also need such a forum, free of political dogma. This conference proceedings is the third to help promote such an event, hopefully, one day, at a greater frequency than three years. The fourth conference is to be convened in the Philippines in 1999.This volume then is an international perspective on the South China Sea by scientists who research it and are concerned for its future. It contains information that should appeal to marine biologists throughout the world and, in particular, to those in Asia.
Download or read book Reproduction and Development of Marine Invertebrates of the Northern Pacific Coast written by Megumi F. Strathmann and published by University of Washington Press. This book was released on 2017-10-01 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference work is designed to provide background information on an array of northeastern Pacific marine invertebrate species so that they can be more easily included in comparative studies of morphology, cell biology, reproduction, embryology, larval biology, and ecology. It is meant to serve biologists who are new to the field as well as experienced investigators who may not be familiar with the invertebrate fauna of the northern Pacific Coast. The species discussed in this volume are mostly from the cold temperate waters of the San Juan Archipelago, near Puget SOund and the Strait of Georgia, but the information and methods given will be useful in laboratories from Alaska to central California and applicable to some extend in other coastal or inland facilities. An introductory chapter discusses basic prodcedures for collecting and maintaining mature specimens, for initiating spawning, and for culturing embryos and larvae in the laboratory. Subsequent chapters summarize reproduction and development in thirty different invertebrate groups and provided ercent references through which additional information can be traced, cite monographs or keys needed to identify species, and give methods useful for studying an array of selected species. Available information on habitat, diet, reproductive mode, egg size, developmental pattern, developmental times, larval type, and conditions for settlement and metamorphosis is reported for over 450 species.
Download or read book The Cayman Islands written by M.A. Brunt and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 615 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the course of the last century a considerable amount of scientific work has been carried out in the Cayman Islands. The results of this (outlined in Chapter 1) are widely distributed in unpublished reports, university theses, various scientific publications and books, many of these sources being difficult to find and some now unobtainable. The purpose of this book, therefore, is to bring all this scattered information together and to present a coherent account of the biogeography and ecology of the Islands, as an easily available reference source and as a foundation on which future work can be based.
Download or read book Behavior and Its Neural Control in Gastropod Molluscs written by Ronald Chase and published by Oxford University Press. This book was released on 2002-07-18 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past quarter century, there has been a tremendous expansion in our knowledge about gastropods, their behavior and their neurobiology. We can understand a great deal about mammalian nervous systems by studying the relatively larger and simpler structure of the gastropod nervous system. Behavior and Its Neural Control in Gastropod Molluscs first reviews the broader aspects of molluscan biology and draws attention to the special features of the gastropod nervous system. The book then examines different types of behavior, reviewing progress in understanding the mechanisms of neural control, and emphasizing cases in which control can be attributed to identified neurons and identified neural circuits.
Download or read book Current Topics in Comparative Pathobiology written by Thomas C. Cheng and published by Elsevier. This book was released on 2013-10-22 with total page 351 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current Topics in Comparative Pathobiology, Volume 2 covers several areas of pathobiology. The book discusses the biology of trematodes of the genus Paragonimus that occur in the Americas; the milky disease of beetles; and the biochemical exploration in insect pathology. The text describes the application of invertebrate tissue culture to the in vitro study of animal parasites; and the use of hydra-hydramoeba as a model system for the study of epizootic processes. The aspects of the biology of nudibranchs are reviewed, with emphasis on nudibranchs as members of associations, including functional morphology, physiology, utilization of host pigments and nematocysts, life history, behavior, defensive mechanisms, and ecology. Chemists, bacteriologists, parasitologists, invertebrate pathologists, immunologists, and protozoologists will find the book invaluable.
Download or read book Taxonomic Atlas of the Benthic Fauna of the Santa Maria Basin and Western Santa Barbara Channel The Mollusca part 2 gastropoda written by Andrew L. Lissner and published by . This book was released on 1996 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Evolution in Action written by Matthias Glaubrecht and published by Springer Science & Business Media. This book was released on 2010-07-24 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radiations, or Evolution in Action We have just celebrated the “Darwin Year” with the double anniversary of his 200th birthday and 150th year of his masterpiece, “On the Origin of Species by means of Natural Selection”. In this work, Darwin established the factual evidence of biological evolution, that species change over time, and that new organisms arise by the splitting of ancestral forms into two or more descendant species. However, above all, Darwin provided the mechanisms by arguing convincingly that it is by natural selection – as well as by sexual selection (as he later added) – that organisms adapt to their environment. The many discoveries since then have essentially con?rmed and strengthened Darwin’s central theses, with latest evidence, for example, from molecular genetics, revealing the evolutionary relationships of all life forms through one shared history of descent from a common ancestor. We have also come a long way to progressively understand more on how new species actually originate, i. e. on speciation which remained Darwin’s “mystery of m- teries”, as noted in one of his earliest transmutation notebooks. Since speciation is the underlying mechanism for radiations, it is the ultimate causation for the biological diversity of life that surrounds us.
Download or read book The Evolution of Primary Sexual Characters in Animals written by Janet Leonard and published by Oxford University Press. This book was released on 2010-07-16 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: Primary sexual traits, those structures and processes directly involved in reproduction, are some of the most diverse, specialized, and bizarre in the animal kingdom. Moreover, reproductive traits are often species-specific, suggesting that they evolved very rapidly. This diversity, long the province of taxonomists, has recently attracted broader interest from evolutionary biologists, especially those interested in sexual selection and the evolution of reproductive strategies. Primary sexual characters were long assumed to be the product of natural selection, exclusively. A recent alternative suggests that sexual selection explains much of the diversity of "primary" sexual characters. A third approach to the evolution of reproductive interactions after copulation or insemination has been to consider the process one of sexual conflict. That is, the reproductive processes of a species may reflect, as does the mating system, evolution acting on males and on females, but in different directions. In this volume, authors explore a wide variety of primary sexual characters and selective pressures that have shaped them, from natural selection for offspring survival to species-isolating mechanisms, sperm competition, cryptic female choice and sexual arms races. Exploring diverse reproductive adaptations from a theoretical and practical perspective, The Evolution of Primary Sexual Characters will provide an unparalleled overview of sexual diversity in many taxa and an introduction to the issues in sexual selection that are changing our view of sexual processes.
Download or read book The Encyclopedia Britannica written by Hugh Chisholm and published by . This book was released on 1910 with total page 1976 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Encyclopaedia Britannica written by Hugh Chisholm and published by . This book was released on 1910 with total page 1976 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Encyclopaedia Britannica Franciscans Gibson written by and published by . This book was released on 1910 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The last great work of the age of reason, the final instance when all human knowledge could be presented with a single point of view ... Unabashed optimism, and unabashed racism, pervades many entries in the 11th, and provide its defining characteristics ... Despite its occasional ugliness, the reputation of the 11th persists today because of the staggering depth of knowledge contained with its volumes. It is especially strong in its biographical entries. These delve deeply into the history of men and women prominent in their eras who have since been largely forgotten - except by the historians, scholars"-- The Guardian, https://www.theguardian.com/books/booksblog/2012/apr/10/encyclopedia-britannica-11th-edition.
Download or read book The Encyclop dia Britannica written by Hugh Chisholm and published by . This book was released on 1926 with total page 1982 pages. Available in PDF, EPUB and Kindle. Book excerpt:
