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Author: Adil Y. Al-Handal
Publisher:
ISBN: 9783443570583
Category :
Languages : en
Pages : 252
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Book Description
The authors document the diatom species composition and ecology in the two major water impoundments of Southern Iraq, the Mesopotamian Marshes and Shatt Al-Arab River. Based on light and scanning electron microscopy investigations, 293 taxa are documented, including the description of three new species. The taxa treated herein were collected from a variety of habitats over a period of 15 years. Diatom assemblages consist of a mixture of freshwater, brackish water and marine taxa. Many diatom taxa that have disappeared in recent years are also documented in this volume. One reason for their disappearance is the high salinization of the Mesopotamian Marshes and Shatt Al-Arab River areas resulting from extremely low freshwater discharge from Euphrates and Tigris Rivers which allowed the seawater front to reach these regions. Species belonging to previously recorded genera such as Eunotia and Diatoma are no longer present in this area. Therefore, this work also is a documentary record of the diatom flora of the wetlands of Southern Iraq during the past 15 years and not only provides an insight into the present state of research but preserves records and findings from taxa no longer present in Southern Iraq, due to human driven ecological impacts.
Author: Adil Y. Al-Handal
Publisher:
ISBN: 9783443570583
Category :
Languages : en
Pages : 252
Get Book Here
Book Description
The authors document the diatom species composition and ecology in the two major water impoundments of Southern Iraq, the Mesopotamian Marshes and Shatt Al-Arab River. Based on light and scanning electron microscopy investigations, 293 taxa are documented, including the description of three new species. The taxa treated herein were collected from a variety of habitats over a period of 15 years. Diatom assemblages consist of a mixture of freshwater, brackish water and marine taxa. Many diatom taxa that have disappeared in recent years are also documented in this volume. One reason for their disappearance is the high salinization of the Mesopotamian Marshes and Shatt Al-Arab River areas resulting from extremely low freshwater discharge from Euphrates and Tigris Rivers which allowed the seawater front to reach these regions. Species belonging to previously recorded genera such as Eunotia and Diatoma are no longer present in this area. Therefore, this work also is a documentary record of the diatom flora of the wetlands of Southern Iraq during the past 15 years and not only provides an insight into the present state of research but preserves records and findings from taxa no longer present in Southern Iraq, due to human driven ecological impacts.
Author: Laith A. Jawad
Publisher: Springer Nature
ISBN: 3030662381
Category : Science
Languages : en
Pages : 815
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Book Description
The Mesopotamian marshes are important for economic, social, and biodiversity values and have been home to indigenous human communities for millennia. They are regarded as a legendary site. This multi-authored book contains chapters written by world-renowned experts in their field. Both basic and applied information are made available, making the book a must-have for a wide spectrum of users. For example, an understanding of the natural and the social aspects of the marshes, as described here, is an obvious prerequisite for a pest management plan in this area. Scholars interested in wetlands can use this book as a guide to compare different wetlands areas in Asia. The bibliography section contains valuable references to the marsh areas and research in the field. This book serves as an up-to-date comprehensive source of information on different aspects of the southern marshes of Iraq and is aimed at academic scholars, environmentalists, and decision makers.
Author: Laith A. Jawad
Publisher: Springer Nature
ISBN: 3030575705
Category : Science
Languages : en
Pages : 1612
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Book Description
The system of the Tigris-Euphrates Rivers is one of the great river systems of southwestern Asia. It comprises the Tigris and Euphrates Rivers, which follow roughly parallel courses through the heart of the Middle East. The lower portion of the region that they run through is known as Mesopotamia, was one of the cradles of civilisation. There are several environmental factors that govern the nature of the two rivers and shape the landscape the two rivers running through. Geological events create rivers, climate monitor the water supply, the surrounding land influences the vegetation and the physical and chemical features of water. The Tigris-Euphrates system runs through the territory of four countries, Iraq, Iran, Turkey and Syria. Therefore, any scientific approach to the environment of these two rivers should include the natural history events in these countries. The book "Tigris and Euphrates Rivers: Their Environment from Headwaters to Mouth" will be divided into nine parts. These parts deal with the issues of the environment, the status of the flora and fauna, the abiotic aspects, ecology, hydrological regime of the two rivers, the biotic aspects. Water resources, stress of the environment, conservation issues. Since the book of Julian Rzoska "Euphrates and Tigris Mesopotamian Ecology and Destiny" in 1980, no book or major reference has been published that includes between its cover the facts and information that the present book will present. Therefore, the importance of the present book falls in stating the present status of the environment of the two rivers and the comparison of their environment between now and that of 37 years ago as given by J. Rzoska (1980). The recent studies showed that there are a large number of natural and political events that happened within the last three decades in the area of the Tigris-Euphrates river system that for sure have done a great change to the environment of the two rivers and consequently changing the biological and non-biological resources of the two rivers. This book will be a reference book to both Academic and students across the Middle East in different disciplines of knowledge to use in their researches on Tigris-Euphrates river system. The scholars interested in this area will use this book as a guide to compare this freshwater system with other areas in Asia and the world.
Author: Russell B. Rader
Publisher: John Wiley & Sons
ISBN: 9780471352341
Category : Nature
Languages : en
Pages : 484
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Book Description
The first resource of its kind-essential practical guidance on wetlands bioassessment and management Although bioassessment has become a vital tool in the successful management of many aquatic ecosystems, to date there has been no single book that covers the application of bioassessment principles to wetland ecosystems. This contributed volume fills this important gap in the literature, with a multifaceted look at the issues and techniques involved in the successful bioassessment and management of freshwater wetlands. The book is divided into two parts-bioassessment and wildlife management. After a review of general bioassessment principles, Part I discusses the statistical issues related to sampling numerous sites, as well as the application of multivariate procedures and invertebrate functional groups to wetland bioassessment. A series of case studies examines bioassessment results using various organismal groups, followed by several chapters that trace the relationship between bioassessment and wetland restoration. Coverage also explores how to use and sample bacteria, algae, macrophytes, and invertebrates. Part II covers key management topics, including many that are frequently overlooked in other treatments of the subject. Separate chapters discuss how to manage fish, waterbirds, and mosquitoes in wetlands. Other chapters address timber harvest strategies and impact assessment, as well as the biological control of an invasive wetland plant. As wetland managers work to strike a vital balance between resource exploitation and resource protection, this book offers an important repository of practical information to use in meeting this formidable challenge. It will be welcomed by wetland managers and scientists, environmental engineers, ecologists, civil engineers, and others whose work involves wetlands study and management.
Author:
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 622
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Book Description
Author: Derek A. Scott
Publisher:
ISBN:
Category : Nature conservation
Languages : en
Pages : 588
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Book Description
Author: Gary E. Dillard
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 200
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Book Description
The second revised edition of this manual aims at providing students and less experienced professional aquatic biologists with a key to identify some to the more commonly encountered aquatic freshwater algal genera of the United States. In response to reviewers comments, a brief section on diatoms, a section providing a number of possible of dispositions of the genera into a taxonomic hierarchy and a brief glossary of technical terms have been added in this revised edition. A number of nomenclatural changes is reflected as well.Keys, representative illustrations and general ecological notes are provided for some 300 genera, excluding the diatoms (except for a brief section on them). The keys are based on features observable in freshly collected material.
Author: Ervin Balazs
Publisher: Springer Science & Business Media
ISBN: 3662040336
Category : Science
Languages : en
Pages : 318
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Book Description
Jointly published with INRA, Paris. The application of new production methods in the food industry - genetic engineering in plants and animals - as well as recent crises over food-borne diseases have led consumers to a growing concern about science as an appropriate basis for developing sound agricultural policies. This book presents the discussion of scientists and politicians in the framework of an OECD programme conference on how to restore public trust in the application of new scientific achievements concerning food production.
Author: F. E. Round
Publisher: Cambridge University Press
ISBN: 1107393132
Category : Science
Languages : en
Pages : 1208
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Book Description
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.
Author:
Publisher:
ISBN:
Category : Algae
Languages : en
Pages : 378
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Book Description
