diatoms biology and morphology of the genera

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Diatoms

Author : F. E. Round
ISBN : 9781107393134
Genre : Science
File Size : 26. 95 MB
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This book presents a wide-ranging introduction to the diatoms together with an illustrated description of over 250 genera. Diatoms are important as perhaps the commonest group of autotrophic plants on earth and are abundant in all waters and on soils and moist surfaces. The introduction describes the diatom cell in detail, the structure of the wall (often extremely beautiful in design), the cell contents and aspects of life cycle and cell division. The generic atlas section is the first account of diatom systematics since 1928 (Karsten in Engler and Prantl: Die Nauturlichen Pflanzenfamilien) and each generic description is accompanied by scanning electron micrographs to show the characteristic structure. Most of the latter have been prepared specially for this work from the authors' own collections. The Diatoms will be the standard reference work on the group for years to come and is an essential reference volume.

Evolution Of Primary Producers In The Sea

Author : Paul Falkowski
ISBN : 0080550517
Genre : Science
File Size : 70. 81 MB
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Evolution of Primary Producers in the Sea reference examines how photosynthesis evolved on Earth and how phytoplankton evolved through time – ultimately to permit the evolution of complex life, including human beings. The first of its kind, this book provides thorough coverage of key topics, with contributions by leading experts in biophysics, evolutionary biology, micropaleontology, marine ecology, and biogeochemistry. This exciting new book is of interest not only to students and researchers in marine science, but also to evolutionary biologists and ecologists interested in understanding the origins and diversification of life. Evolution of Primary Producers in the Sea offers these students and researchers an understanding of the molecular evolution, phylogeny, fossil record, and environmental processes that collectively permits us to comprehend the rise of phytoplankton and their impact on Earth's ecology and biogeochemistry. It is certain to become the first and best word on this exhilarating topic. Discusses the evolution of phytoplankton in the world's oceans as the first living organisms and the first and basic producers in the earths food chain Includes the latest developments in the evolution and ecology of marine phytoplankton specifically with additional information on marine ecosystems and biogeochemical cycles The only book to consider of the evolution of phytoplankton and its role in molecular evolution, biogeochemistry, paleontology, and oceanographic aspects Written at a level suitable for related reading use in courses on the Evolution of the Biosphere, Ecological and Biological oceanography and marine biology, and Biodiversity

Transgenic Microalgae As Green Cell Factories

Author : Rosa León
ISBN : 9780387755328
Genre : Science
File Size : 72. 25 MB
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Microalgae have been largely commercialized as food and feed additives, and their potential as a source of high-added value compounds is well known. Yet, only a few species of microalgae have been genetically transformed with efficiency. A better understanding of the mechanisms that control the regulation of gene expression in eukaryotes is therefore needed. In this book a group of outstanding researchers working on different areas of microalgae biotechnology offer a global vision of the genetic manipulation of microalgae and their applications.

Syllabus Der Boden Luft Und Flechtenalgen

Author : Hanus Ettl
ISBN : 9783642394621
Genre : Science
File Size : 25. 2 MB
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Algen spielen neben den Bakterien und Pilzen eine wichtige Rolle im Bodenleben. Zur Vertiefung der Kenntnis bodenbewohnender eukaryontischer Algen fehlte bisher ein Bestimmungswerk, das die weltweit verstreuten Daten zusammengefasst darstellt. Über 1000 Algenarten sind bislang aus Böden, aus der Luft und aus Flechten beschrieben, doch ist das Wissen über Lebensvorgänge, Reproduktion, Entwicklung usw. noch sehr lückenhaft. Auch sind viele Bodenalgen überhaupt nur mittels Kulturen erfassbar. Dieser Syllabus enthält deshalb für 260 Gattungen und mehr als 1000 Arten aero-terrestrischer Algen entsprechende Bestimmungsschlüssel, Beschreibungen von Morphologie und Zytologie samt Abbildungen, dazu noch ergänzende Hinweise auf Vorkommen, Verbreitung und vorhandene Kulturen. Ein Sonderkapital ist dabei den eukaryontischen Flechtenalgen gewidmet. Die systematische Gliederung und Anordnung stellt einen Kompromiss zwischen den Auffassungen der klassischen und modernen Systematik unter besonderer Berücksichtigung der Lichtmikroskopie dar. Soweit möglich wurden neben der Originalliteratur auch Eigenbeobachtungen und Kulturen in die Bearbeitung mit einbezogen. An taxonomischen Namensänderungen und Neubeschreibungen ist die neue Familie Myrmeciaceae (Ordnung Chlorellales) hervorzuheben. Hinweise auf wichtige Literatur sollen zu weiterführenden Untersuchungen anregen. Im allgemeinen Teil finden sich wesentliche Informationen über Ökologie, Bestimmung und Kulturmethoden bei Bodenalgen sowie übersichtliche Darstellungen der charakteristischen morphologischen und zytologischen Merkmale der behandelten Algengruppen. Seit dem Erscheinen der 1. Auflage sind zahlreiche weitere aeroterrestrische Algen beschrieben und taxonomische Änderungen vorgenommen worden. Hinweise dazu und die entsprechenden Literaturangaben samt Register sind als Ergänzungsteil nach den Bildtafeln und vor der Literatur des Hauptteils eingefügt.

The Diatom World

Author : Joseph Seckbach
ISBN : 9400713274
Genre : Science
File Size : 46. 60 MB
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Diatom biology, genomics and ecology are becoming more relevant to the human species. While there have been recent compilations of some of the applied aspects of diatoms, and the dizzying pace of taxonomic revisions, this new volume bring us up to date on their classification, biology and ecology, as well as covering the topics of genomics and applied uses. In this collection, some of the leaders in diatom research present either new information or summarize recent research efforts on a wide range of topics, including the tree of life of diatoms, their classifications, the wide habitats and ecological spectra the group exploits, as well as the beauty of their form. This volume celebrates the diversity, emerging areas of research and fascinating ecology of the diatoms bringing this group of world-renown and emerging research leaders together. 'The Diatom World' will foster greater appreciation and research contributions on this incredibly diverse and fascinating group of organisms.

Unravelling The Algae

Author : Juliet Brodie
ISBN : 0849379903
Genre : Science
File Size : 90. 35 MB
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Acting as titans in global control of the biosphere and colonizing virtually all corners of the earth, algae, extremely diverse and numerous oxygenic, photosynthetic organisms, can be major players in and drivers of environmental change. For hundreds of years, since their evolutionary origins by endosymbiosis, when a protozoan enslaved a cyanobacterium, fascinated scientists strove to uncover the mysteries of their diversity, interactions, taxonomy, and classification. Today, new molecular tools and technologies like chromatography and genetic fingerprinting reveal the innermost secrets of algal ancestry and phylogeny and open new possibilities to answering age-old questions. Unravelling the algae: the past, present, and future of algal systematics brings together the most respected minds in the field to review the state-of-the-science and assess the impact of molecular tools on the taxonomy of algal groups. Emphasizing that a range of traditional and molecular approaches are required, along with other techniques such as transmission electron microscopy, to support full interpretation of the data, the book discusses the extent to which these tools broaden our understanding of the immense diversity of algae and revolutionize ideas of taxonomy and classification. Divided into three parts, the book introduces the very latest ideas on the evolution of algae and the concept of classification and illustrates contrasting viewpoints. The second section addresses systematics and covers virtually all algal groups ranging from microalgae to ultraplankton with individual chapters devoted to each. The final section explores the impact of genomics on algal systematics and concludes with a discussion of future directions for research. As the most up-to-date, authoritative source for classifying algae, this bookprovides unparalleled access to the encyclopedic information revealed by the use of the latest in molecular tools.

Algae

Author : American Water Works Association
ISBN : 9781613001165
Genre : Science
File Size : 43. 69 MB
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This AWWA manual of practice provides water professionals with solutions to algae-related problems. Topics covered include identification of algal species, monitoring programs, and best management and treatment strategies.

The Timetree Of Life

Author : S. Blair Hedges
ISBN : 9780191560156
Genre : Science
File Size : 59. 35 MB
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The evolutionary history of life includes two primary components: phylogeny and timescale. Phylogeny refers to the branching order (relationships) of species or other taxa within a group and is crucial for understanding the inheritance of traits and for erecting classifications. However, a timescale is equally important because it provides a way to compare phylogeny directly with the evolution of other organisms and with planetary history such as geology, climate, extraterrestrial impacts, and other features. The Timetree of Life is the first reference book to synthesize the wealth of information relating to the temporal component of phylogenetic trees. In the past, biologists have relied exclusively upon the fossil record to infer an evolutionary timescale. However, recent revolutionary advances in molecular biology have made it possible to not only estimate the relationships of many groups of organisms, but also to estimate their times of divergence with molecular clocks. The routine estimation and utilization of these so-called 'time-trees' could add exciting new dimensions to biology including enhanced opportunities to integrate large molecular data sets with fossil and biogeographic evidence (and thereby foster greater communication between molecular and traditional systematists). They could help estimate not only ancestral character states but also evolutionary rates in numerous categories of organismal phenotype; establish more reliable associations between causal historical processes and biological outcomes; develop a universally standardized scheme for biological classifications; and generally promote novel avenues of thought in many arenas of comparative evolutionary biology. This authoritative reference work brings together, for the first time, experts on all major groups of organisms to assemble a timetree of life. The result is a comprehensive resource on evolutionary history which will be an indispensable reference for scientists, educators, and students in the life sciences, earth sciences, and molecular biology. For each major group of organism, a representative is illustrated and a timetree of families and higher taxonomic groups is shown. Basic aspects of the evolutionary history of the group, the fossil record, and competing hypotheses of relationships are discussed. Details of the divergence times are presented for each node in the timetree, and primary literature references are included. The book is complemented by an online database (www.timetree.net) which allows researchers to both deposit and retrieve data.

Identifying Marine Diatoms And Dinoflagellates

Author : Grethe R. Hasle
ISBN : 0080534414
Genre : Science
File Size : 65. 98 MB
Format : PDF
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Identifying Marine Diatoms and Dinoflagellates is the second identification manual created from the literature developed for the Advanced International Phytoplankton Course. This version, enlarged and modified from the earlier literature, deals with the identification of marine diatoms and dinoflagellates. The data and references presented here should allow the researcher to pursue the question of valid species and how they can be verified. This volume comprises three chapters, beginning with an introductory chapter discussing the subject's historical background. The next chapter focuses on marine diatoms, providing an introduction that describes their general characteristics, life cycles, morphology and terminology, and classification. It is followed by a discussion of genera represented in marine plankton, a description of taxa, and methodology. The third and final chapter focuses on dinoflagellates, beginning with an introduction that describes their general characteristics and eukaryotic unicells. The discussion continues with terminology and morphology, identification of species, techniques for preparation of dinoflagellates for identification, common dinoflagellate synonyms, and an index of dinoflagellate taxa. This book will be of interest to practitioners in the fields of biology, zoology, and environmental protection.

Methods In Nano Cell Biology

Author :
ISBN : 008094910X
Genre : Science
File Size : 31. 16 MB
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Understanding live cells at the single molecule level is the most important and single major challenge facing biology and medicine today. Nanobiology focuses on the properties and structure of complex assemblies of biomolecules—biochips and molecular motors, for example—in conjunction with distinctive surfaces, rods, dots, and materials of nanoscience. Nano Cell Biology will describe the current applications of nanobiology to the study of the structure, function, and metabolic processes of cells. Provides historical background on this newly emerging field Covers the latest application of new instrumentation in the field Detailed protocols in the study of live cells at the nanometer level Discusses future technologies and their applications in the study of living cells

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