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Books > Science & Mathematics > Biology, life sciences > Hydrobiology
Advances in Marine Biology. Volume 3 begins by focusing on some novel compounds having antioxidant, antimicrobial, anti-inflammatory, anticancer and other bioactive properties identified and isolated from marine sponges, which could serve as leads for drug discovery. The authors also discuss the factors that contribute to new discoveries and the challenges associated with translating marine sponge-derived compounds into clinical trials. The advances that may further expand the promise of drug discovery from marine sponges are also examined. Following this, the authors present current information about Hox-genes in polychaetes and make some cautious assumptions about the ancestral functions of the Hox-cluster. The basic plane and evolution of bilateral animals (Bilateria) are closely associated with Hox-genes. These genes usually exist in the genome in the form of the aforementioned clusters, gene complexes with a conservative position of individual genes inside them. Marine biotoxins are examined, specifically their correlation with of harmful algal blooms (HABs) which can accumulate in seafood products. This can have severe consequences on both the fishery industry and consumer health, as most marine biotoxins are not destroyed by food technologies like freezing or cooking, and their presence cannot be perceived because they give no specific taste, flavor or smell to food. The subsequent article contains a study on adaptation to environmental salinity alterations in the White Sea mussel Mytilus edulis, with its research having been conducted for several years and involving both long-term acclimation and exposure to stress salinity. A series of experiments were conducted in order to deduce the mussels capacity to adapt to environmental salinity changes, especially in terms of cell and molecular mechanisms of salinity adaptation. This compilation also presents a preliminary work within a large scale research program on H. diversicolor in different estuaries with the PNETOX Program National Program of Ecotoxicology. In the framework of the French National Program of Ecotoxicology, environmental quality was assessed in the multi-polluted Seine Estuary and the comparatively clean Authie Estuary, France (2002-2004), by determining contaminant levels in water, sediments and the infaunal worm H. diversicolor. The experiments were carried out concurrently in spring 2007 using a common protocol.
Malaysia has the potential to be a key seaweed production player in the region if proper management and possible interventions take place. Chapter One analyses the capacity building programs in Malaysia that aim to transform conventional seaweed cultivation techniques to modern seaweed cultivation techniques by applying a scientific approach. Chapter Two studies the marine macroalgae thriving at intertidal rocky shores on the west coast of Portugal, a transition zone where the combined influence of cold waters and warmer waters may favour the development of unique macroalgal communities. In Chapter Three, the authors discuss how problems of environmental deterioration and energy demand could be alleviated by the paradigm shift from fossil to biofuel from marine algae. The chapter elaborates on the unconventional strategies developed for the farming as well as conversion of Ulva rigida to biofuels and biochemicals. Chapter Four discusses the incorporation of macroalgae or macroalgal derived ingredients as a source of both macro-nutrients and micro-nutrients for animal feed production. The biological health benefits of the macroalgal ingredients beyond basic nutrition for the development of functional feed in the aquaculture, the ruminant and the swine sectors are also discussed together with the industrial challenges of its application. To conclude, Chapter Five provides a brief review of seaweed co-culture and its environmental impact on coastal fisheries. First, the current situation and problems facing the coastal fisheries, and the plans to overcome these issues, are discussed. Finally, the positive and negative effects of seaweed culture, role of seaweed co-culture, and the overall environmental impact are addressed.
As a society, we use more than 100,000 different industrial compounds to promote health and treat disease, to grow food and to access clean water. While technological developments have improved our lives, most of these compounds end up in our oceans where they threaten marine life and human health. The practice of ocean waste disposal has had a long history and was initially believed to have minimal associated costs. However, it is now clear that although we can use the oceans for cheap waste treatment, we do this at the expense of the other key benefits we derive from the sea, notably human food supplies as well as its aesthetic value (including opportunities for recreation and tourism). Many of the pollution problems of previous decades appear to have been solved in the developed world, or at least managed to minimise their environmental impacts. However, despite treatment being available for some waste products, a potent mixture of toxic compounds and other potentially harmful additions continue to enter the marine environment every day. So, have the problems of marine pollution really been solved or have we simply generated a suite of different and potentially more complex challenges? In this volume we consider marine pollution from the perspective of the historical problems that are now successfully managed or solved, the ongoing problems and the emerging challenges that we face. These include hormone mimics, the residues from pharmaceuticals, nanometre-sized particles added to new materials, the millimetric plastics added to shampoos and cosmetics, the artificial fibres in the clothes we wear, and the noise and light pollution from our expanding industries and cities. Marine Pollution is aimed at senior undergraduates, masters and graduate level students studying marine sciences. It will also serve as a useful reference for researchers and professionals working in the fields of environmental management, marine planning, marine environmental regulation and protection, as well as those working for government departments, environmental NGOs and marine environmental consultancies.
A Practical Guide to the Marine Animals of Northeastern North America features Leland Pollock's innovative, user-friendly keys that circumvent many of the difficulties of traditional identification systems. Pollock's keys offer choices among distinctive attributes of the specimen. Results are compared to all variations found in the region's fauna, using a neatly displayed tabular form accompanied by many line drawings. The introduction describes marine habitats, tips for conducting
fieldwork, and outlines groups of organisms found in northeastern
North America, from Nova Scotia to North Carolina. Although
designed for the nonexpert, the manual provides coverage sufficient
to meet the more demanding needs of those conducting biotic surveys
and advanced studies in the region.
The World Ocean Assessment - or, to give its full title, The First Global Integrated Marine Assessment - is the outcome of the first cycle of the United Nations' Regular Process for Global Reporting and Assessment of the State of the Marine Environment, including Socioeconomic Aspects. The Assessment provides vital, scientifically-grounded bases for the consideration of ocean issues, including climate change, by governments, intergovernmental agencies, non-governmental agencies and all other stakeholders and policymakers involved in ocean affairs. Together with future assessments and related initiatives, it will support the implementation of the recently adopted 2030 Agenda for Sustainable Development, particularly its ocean-related goals. Moreover, it will also form an important reference text for marine science courses.
This volume is a collection of short essays articles on the multidimensional aspects of the blue economy. It presents perspectives on the concept and the essential ingredients of the blue economy such as marine resources, maritime infrastructure and marine environment. International cooperative approaches to promote blue economy, the role of maritime governance and capacity building are discussed in the context of implementing the blue economy. The book also promotes the importance of sustainable utilization of the oceans which lies at the core of the blue economy.
Killer tales from an award-winning cinematographer and marine biologist. Marine biologist and underwater cameraman Richard 'Shark Tracker' Fitzpatrick wrangles sharks and other deadly marine creatures for a living. From the coral gardens of the Great Barrier Reef to the murky depths of the Amazon, Fitzpatrick shares his real-life experiences with predators of the deep - from sharks and box jellyfish to sea snakes. A mixture of mind-boggling anecdotes and science provide an intimate insight into marine life and the conservation issues at stake.
The University of Florida has an ambitious goal: to harness the power of its faculty, staff, students, and alumni to solve some of society's most pressing problems and to become a resource for the state of Florida, the nation, and the world. In 1958, a panel funded by the Office of Naval Research initiated the formation of the International Shark Attack File, the first comprehensive documentation of shark attacks on a global and historical level. In 1988, the file was transferred to the Florida Museum of Natural History at the University of Florida. It is part of the Florida Program for Shark Research, directed by George H. Burgess, the planet's expert on shark attacks, and staffed by a world-renowned team of research scientists and educators. Travel the globe with Burgess, the Sherlock Holmes of shark attacks, as he studies mauled remains and the scars of the lucky survivors. His most famous case took him to an idyllic Red Sea resort where panic had set in after five attacks occurred in a single week. The attacks were carried out by Oceanic White Tips and a Mako, deep-water species that had no business being so close to the beach. Following the clues--dive-boat operators feeding sharks by hand to entertain tourists, the disappearance of the yearly tuna catch, and the dead sheep New Zealand cargo companies had been tossing overboard--Burgess solves the mystery of the shark attacks for Egyptian tourism officials and offers a list of best practices. But not all cases end with an easy prescription. In St. Petersburg Beach, Florida, he visits a recent shark-attack victim, bitten just off her dock on Boca Ciega Bay. While the victim would prefer to forget the fateful day the sharp-toothed jaws of the Bull Shark latched onto her leg just below the knee, Burgess gently coaxes the story from her. It will go in the file, to educate other shark researchers and educators and help us better understand the world's most feared predator.
From the days of discovery and colonization, America has looked to the sea. In times of stress the sea has been our ally, and in times of peace, a source of our prosperity. Sometimes hostile and sometimes generous in its moods, the ocean always has offered its abundant resources in countless ways. But only recently have we begun to perceive its true potential. The driving force and urgency of our new concern for the sea stem from the changing character of the world itself-from mounting economic needs, from congested populations, from our own deteriorating shores. It is now nearly 10 years since reports by the National Academy of Science and the U.S. Navy focused attention upon the vital import of our undeveloped marine resources. The intervening decade has been marked by a mounting interest and activity. Further reports, studies, and statements have poured forth in profusion, representing the experience, the views, and the best judgment of the outstanding experts of the country. Throughout this period a voluminous legislative record testifies also to a growing Congressional concern, which culminated in June 1966 in the Marine Resources and Engineering Development Act, expressing a conviction and defining a national purpose: 1) a conviction that the time had arrived for this country to give serious and systematic attention to our marine environment and to the potential resources of the oceans, and 2) a national determination to take the steps necessary to stimulate marine exploration, science, technology, and financial investment on a vastly augmented scale.
Beach Trip Biology is a resource for parents to use with children traveling to the Caribbean or South Florida. The book provides background information for parent to provide biological learning experiences. Chapters have learning objectives and identifies essential biology concepts that are reinforced.
Aquatic invasive species -- harmful, non-native plants, animals, and microorganisms living in aquatic habitats -- damage ecosystems or threaten commercial, agricultural, and recreational activities. The Nonindigenous Aquatic Nuisance Prevention and Control Act of 1990 created the Task Force and required it to develop an aquatic nuisance species program. The Water Resources Reform and Development Act of 2014 includes a provision that the United States Government Accountability Office (GAO) assess federal costs of, and spending on, aquatic invasive species. This book examines how much Task Force member agencies expended addressing aquatic invasive species for fiscal years 2012-2014; activities conducted by Task Force member agencies and challenges in addressing aquatic invasive species; and the extent to which the Task Force has measured progress in achieving the goals of its 2013-2017 strategic plan.
This is a contribution to the conservation of members of the family Cambaridae. This book is focused on the evaluation of geographic changes caused by landscape scale and land use change that has impacted the ecology of North American crayfish species. The book includes chapters on geographic distributions, conservation strategies, and effects of contaminants on crayfish structure and function. Contributors include a variety of students associated with the Editor, as well as original contributions from the Editor's colleagues. From the conceptual frameworks to the case studies, Geographic Distribution, Ecological Impact, and Conservation Strategies for North American Crayfish will provide important considerations to assist in the conservation and protection of crayfish, with emphasis on stressors and actions necessary to protect and restore crayfish habitats and populations. This book is necessary for environmental and natural resource managers, researchers, and governmental agencies tasked with the protection, restoration, and management of wildlife populations.
This book is the third companion volume to 'An Introduction To
Using GIS In Marine Biology'. It is designed to augment the
information on using GIS in marine biology provided in that book,
and, indeed, to be used alongside it rather than to be used
independently as a stand-alone volume. Therefore, this book will be
of most interest to those who have already read 'An Introduction To
Using GIS In Marine Biology'.
This book provides current research on the ecosystems of coral reefs, as well as the environmental impact and current threats to the coral reefs. Chapter One studies proteins responsive to variable temperature exposure in the reef-building coral Seriatopora hystrix. Chapters Two and Three examine the impact of arachidonic acid's (ArA) on coral reefs. The final chapter discusses environmental monitoring in the Gulf of Thailand, and the use of coral skeletons as metal pollution recorders.
The fishery products and bivalve mollusks sector is certainly one of the most complex in term of sanitary and commercial topics, considering the high number of species that require a precise identification. For all these reasons, the knowledge and the skills in this field remain prerogative of a few experts on the subject and operators who, in time and for various reasons, have acquired specific knowledge and skills. On the other hand, the evolution of community legislation, and especially the growing worldwide interest for fishery products and bivalve mollusks, requires a common system of traceability and labeling aimed at increasing the transparency in commercial transactions, facilitating the identification of the fish and mollusks species and increasing consumer confidence. In this perspective, the proposed publication stands as an easy reference tool intended for all the stakeholders involved in the Mediterranean seafood chain, and in which some essential elements of the community rules relating to inspection and control of fishery products and bivalve mollusks are revealed. The presence of illustrations will represent a quick and easy way to acquire the essential information to identify the main Mediterranean fishery products and bivalve mollusks of commercial interest.
This current book discusses the formation, distribution and environmental impacts of marine sediments. The first chapter describes the isolation, taxonomic approach, diversity, secondary metabolites and activities of actinobacteria. Chapter Two aims at the verification of anisotropy of magnetic susceptibility (AMS) usability as a textural indicator of rocks, with special emphasis on origin of fluid pathway within tight turbidite sandstones burying a foreland basin. The final chapter reviews aluminum impact on the growth of benthic diatom. |
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