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Fresh waters --- Fresh-water biology. --- Biology.

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This report sets out the challenge for freshwater in a changing climate and provides policy guidance on how to navigate this new “waterscape”. It highlights the range of expected changes in the water cycle and the challenge of making practical, on-site adaptation decisions for water. It offers policymakers a risk-based approach to better “know”, “target” and “manage” water risks and proposes policy guidelines to prioritise action and improve the efficiency, timeliness and equity of adaptation responses. The report also highlights general trends and good practices drawn from the OECD Survey of Policies on Water and Climate Change Adaptation, covering all 34 member countries and the European Commission. Individual country profiles are available, which provide a snapshot of the challenges posed by climate change for freshwater and the emerging policy responses (on-line only). Finally, the report highlights the benefits of well-designed economic instruments (e.g. insurance schemes, water trading, water pricing), ecosystem-based approaches and ‘real options’ approaches to financing. These approaches can improve the flexibility of water policy and investment, reducing the cost of adjusting to changing conditions.

Fresh water --- Water-supply --- Environmental aspects. --- 440.2 Openbare werken. Water --- klimaatfinanciering --- klimaatadaptatie --- drinkwater --- Availability, Water --- Water availability --- Water resources --- Natural resources --- Public utilities --- Water resources development --- Water utilities --- Fresh waters --- Freshwater --- Freshwaters --- Inland water --- Inland waters --- Water

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This book is open access under a CC BY-NC 2.5 license. The Gulf of Mexico is an open and dynamic marine ecosystem rich in natural resources but heavily impacted by human activities, including agricultural, industrial, commercial and coastal development. Nutrients and pollutants from coastal communities and dozens of rivers flow into the Gulf, including material from the Mississippi River watershed, which drains over one third of continental United States. The Gulf of Mexico has been continuously exposed to petroleum hydrocarbons for millions of years from natural oil and gas seeps on the sea floor, and more recently from oil drilling and production activities located in the water near and far from shore. Major accidental oil spills in the Gulf are infrequent; two of the most significant include the Ixtoc I blowout in the Bay of Campeche in 1979 and the Deepwater Horizon Oil Spill in 2010. Unfortunately, baseline assessments of the status of habitats and biota in the Gulf of Mexico before these spills either were not available, or the data had not been systematically compiled in a way that would help scientists assess the potential short-term and long-term effects of such events. This 2-volume series compiles and summarizes thousands of data sets showing the status of habitats and biota in the Gulf of Mexico before the Deepwater Horizon Oil Spill that began on April 20, 2010. Volume 1 begins with an overview of the following 13 chapters and focuses on the big picture rather than the details of habitat quality and biota.  Volume 1 covers: • Water and sediment quality and contaminants, to provide perspective on environmental conditions in the Gulf. • Natural oil and gas seeps in the Gulf of Mexico, to identify natural sources of exposure to petroleum hydrocarbons. • Coastal habitats, including flora and fauna and coastal geology. • Offshore benthos and plankton, with an analysis of current knowledge on energy capture and energy flows in the Gulf. • Shellfish and finfish resources that provide the basis for commercial and recreational fisheries. Volume 2 covers: • Historical data on commercial and recreational fisheries, with an analysis of marketing trends and drivers. • Ecology, populations and risks to birds, sea turtles and marine mammals in the Gulf of Mexico. • A final chapter extensively illustrated with original images on diseases and mortalities of fish and other animals that inhabit the Gulf of Mexico.  Chapters in these volumes have been peer reviewed by scientific experts in the subject areas covered.  Hopefully, the collection and analysis of such data for the Gulf of Mexico will be continued and sponsored by responsible federal and state agencies with the frequency needed to accurately assess potential damage to natural resources from ecologically harmful events that may occur in the future.

Environment. --- Environmental management. --- Marine sciences. --- Freshwater. --- Environmental Management. --- Marine & Freshwater Sciences. --- Fresh waters --- Freshwater --- Freshwaters --- Inland water --- Inland waters --- Water --- Ocean sciences --- Aquatic sciences --- Environmental stewardship --- Stewardship, Environmental --- Environmental sciences --- Management --- Marine Sciences. --- environmental management --- marine --- freshwater sciences

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This illustrated atlas describes 256 extant brachyuran crab species in the Persian Gulf and the Gulf of Oman. Identification keys are provided for 37 brachyuran families, 142 genera and 256 species on the basis of their main synapomorphies. Brief but precise descriptions highlighting the main characteristics are also provided for every family. The atlas displays features high-quality color photos, offering a hands-on guide and equipping readers to readily diagnose crab species in the region. Importantly, a line drawing of the first male gonopod, as well as its main diagnostic characteristics, are provided for all species. Further, every species is supplemented with synonymies that encompass the original descriptions, overall revision of the given taxa, monographs and all records from the northwestern Indian Ocean including the Persian Gulf and the Gulf of Oman. For each species, the book provides detailed local and global distribution maps, together with important ecological data including habitat preference. Further, it includes a general introduction to the brachyuran crabs with schematic drawings of their external morphology, as well as a comprehensive introduction to the Persian Gulf and the Gulf of Oman as marine ecoregions (geography, hydrology, biology, and environmental condition). The book offers an indispensable guide for all professionals, researchers, and students interested in brachyuran crabs around the globe and particularly in the Persian Gulf and the Gulf of Oman.

Crabs. --- Crabs --- Anomura --- Brachyura --- Oxyrhyncha --- Environment. --- Marine sciences. --- Freshwater. --- Marine & Freshwater Sciences. --- Decapoda (Crustacea) --- Crabbing --- Marine Sciences. --- Ocean sciences --- Aquatic sciences --- Fresh waters --- Freshwater --- Freshwaters --- Inland water --- Inland waters --- Water

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This book discusses how aquatic microbial communities develop interactive metabolic coordination both within and between species to optimize their energetics. It explains that microbial community structuration often includes functional stratification among a multitude of organisms that variously exist either suspended in the water, lodged in sediments, or bound to one another as biofilms on solid surfaces. The authors describe techniques that can be used for preparing and distributing microbiologically safe drinking water, which presents the challenge of successfully removing the pathogenic members of the aquatic microbial community and then safely delivering that water to consumers. Drinking water distribution systems have their own microbial ecology, which we must both understand and control in order to maintain the safety of the water supply. Since studying aquatic microorganisms often entails identifying them, the book also discusses techniques for successfully isolating and cultivating bacteria. As such, it appeals to microbiologists, microbial ecologists and water quality scientists.

Freshwater microbiology --- Freshwater biology --- Water --- Microbiology --- Microbiology. --- Microbial ecology. --- Marine Sciences. --- Microbial Ecology. --- Marine & Freshwater Sciences. --- Ocean sciences --- Aquatic sciences --- Environmental microbiology --- Microorganisms --- Ecology --- Microbial biology --- Biology --- Marine sciences. --- Freshwater. --- Fresh waters --- Freshwater --- Freshwaters --- Inland water --- Inland waters