A New Genus of Fossil Freshwater Diatoms (Bacillariophyta : Stephanodiscaceae) from the Sediments of Lake Baikal PDF Download

Author: G. K.. Khursevich
Publisher:
ISBN:
Category : Diatoms, Fossil
Languages : en
Pages : 494

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Author: Andrzej Witkowski (dr ichtiologii.)
Publisher:
ISBN:
Category : Diatoms
Languages : en
Pages : 532

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Author: Kenji Kashiwaya
Publisher: Springer Science & Business Media
ISBN: 443167859X
Category : Science
Languages : en
Pages : 394

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Book Description
Lake Baikal in eastern Siberia is a crucial site for detecting long-term global changes, owing to its high sensitivity to climatic oscillation and its extraordinarily long history. Because lacustrine sediments have an advantage in providing high-resolution information, the sediments in Lake Baikal contain excellent continuous records of past conditions including paleoclimates, evolution, and specification of organisms. Based on the study by the Baikal Drilling Project, this book provides information on global climatic and environmental changes for as much as 12 million years. The book also includes discussions of comparatively short-term changes such as glacial and interglacial transitions that directly link to the present and future environment. Long Continental Records from Lake Baikal summarizes the latest knowledge on the paleoenvironment and provides a foundation for further studies in global environmental changes.

Author: California Academy of Sciences
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 492

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Author: Nadja Ognjanova-Rumenova
Publisher:
ISBN:
Category : Algology
Languages : en
Pages : 392

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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 192

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Author: Donato Marino
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 596

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Author: Joseph Seckbach
Publisher: Springer Science & Business Media
ISBN: 9400713274
Category : Science
Languages : en
Pages : 521

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Book Description
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.

Author: C. Max Finlayson
Publisher: Springer Nature
ISBN: 3030334244
Category : Science
Languages : en
Pages : 451

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Book Description
This book chronicles the decades-long work of studying, analyzing, and reversing the environmental pressures that threatened India’s Chilika Lagoon, the largest brackish-water lagoon in the region, and the second largest in the world. Designated as one of India’s first Ramsar Sites in 1981, Chilika Lagoon continued to degrade for a decade longer. Then, the Chilika Development Authority (CDA) was established to gather information and devise a restoration plan that benefits the ecosystems of the lagoon, with sensitivity to the needs and livelihoods of local communities. Expert contributors detail the work of analysis, planning and implementation, including extensive coverage of such topics as: Devising a plan for implementing Ramsar wise use guidelines Sedimentologic, chemical, and isotopic impacts Hydrodynamics and salinity Runoff and sediment in watersheds of the Lagoon's Western Catchment Long-term analysis of water quality and continued water quality monitoring Bio-optical models for cyclone impact assessment Studies of geomorphology, land use, and sedimentary environments Spatiotemporal assessment of phytoplankton communities Creation of a post-restoration scenario for fish and fisheries Assessing status of waterbirds, species diversity and migration patterns The result was a major hydrological intervention to re-establish hydrological and salinity regimes, biodiversity, and fish catches, and help protect the livelihood of lagoon-dependent communities. The story of the rehabilitation and management of Chilika Lagoon demonstrates that it is possible to halt and reverse the encroachment and degradation of wetlands, to restore biodiversity and to provide benefits for large numbers of people. Ecology, Conservation, and Restoration of Chilika Lagoon goes beyond scientific research articles to explore institutional and governance issues, political ecology, and the Ramsar Convention’s guidelines for ecosystem restoration. The book will benefit researchers, wetland managers, government policy makers and more general readers concerned with restoration and conservation of wetlands around the planet.

Author: Maria Shahgedanova
Publisher:
ISBN: 0198233841
Category : Science
Languages : en
Pages : 597

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Book Description
This is the third volume in The Oxford Regional Environments series. The series volumes are devoted to major regions of the world, each presenting a detailed and up-to-date body of scientific knowledge concerning a particular region. For most topics on the physical geography of Northern Eurasia abundant literature now exists. Most of it, however, is in Russian and other East European languages and this has significantly limited the number of potential readers. This volume seeks to familiarize, at an international level, those with an interest in this area with the most significant achievements in classical and current geographical research. The Physical Geography of Northern Eurasia covers most of the territory of the former USSR. The first section discusses the individual compenents of the physical environment. These chapters cut across regional boundaries and treate the area discussed as a whole. A regional analysis follows mainly in the context of geographical zonation, though a number of specific regions are given individual treatment. The concluding chapters discuss the effects of anthropogenic activities on the physical environment. The approach is an integrative one, tying together various aspects of the physical environments with the environmental implications of human activites. Every component of the environment is treated as a step in the development of the multi-faceted landscapes which in turn provide possibilities and limitations for cultural and economic usage.