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"Wildlife in a Changing World" presents an analysis of the 2008 IUCN Red List of Threatened Species. Beginning with an explanation of the IUCN Red List as a key conservation tool, it goes on to discuss the state of the world s species and provides the latest information on the patterns of species facing extinction in some of the most important ecosystems in the world, highlighting the reasons behind their declining status. Areas of focus in the report include: freshwater biodiversity, the status of the world s marine species, species susceptibility to climate change impacts, the Mediterranean biodiversity hot spot, and broadening the coverage of biodiversity assessments."
Potentially harmful contact between fisheries and marine vulnerable species represents a global conservation issue and efforts to mitigate the negative repercussions of these interactions belong in strategies for ensuring the sustainability of fisheries. This literature review offers a survey of mitigation measures and techniques that have been developed and tested around the world, aiming to address both the incidental catch of highly mobile species – specifically, cetaceans, seabirds, sharks and rays, and sea turtles – and depredation caused by dolphins. Based on research detailed in over 300 documents, including peer-reviewed publications, reports from international organizations and papers available on the internet, most of the mitigation techniques illustrated are still under development, with only a few already adopted through legislation. The selected mitigation measures are grouped by main types of fishing gear – gillnets and trammel nets, longlines and lines, trawls, purse seines, traps and pots – and further subdivided according to which of the four main groups of vulnerable species – cetaceans, seabirds, sharks and rays, or sea turtles – they are designed to protect. Preventive and curative approaches covering both technical measures (gear modifications, strategies, as well as acoustic, visual, magnetic and chemosensory deterrents) and management measures are described.
This classroom resource provides clear, concise scientific information in an understandable and enjoyable way about water and aquatic life. Spanning the hydrologic cycle from rain to watersheds, aquifers to springs, rivers to estuaries, ample illustrations promote understanding of important concepts and clarify major ideas. Aquatic science is covered comprehensively, with relevant principles of chemistry, physics, geology, geography, ecology, and biology included throughout the text. Emphasizing water sustainability and conservation, the book tells us what we can do personally to conserve for the future and presents job and volunteer opportunities in the hope that some students will pursue careers in aquatic science. Texas Aquatic Science, originally developed as part of a multi-faceted education project for middle and high school students, can also be used at the college level for non-science majors, in the home-school environment, and by anyone who educates kids about nature and water. To learn more about The Meadows Center for Water and the Environment, sponsors of this book's series, please click here.
The main themes of the Symposium were biodiversity in enclosed and semi-enclosed seas and artificial habitats, and the restoration of degraded systems. These themes are highly relevant today. The papers dealing with the first theme represent current research and concerns about marine biodiversity in enclosed seas. The papers in the second theme represent a synthesis of up-to-date knowledge on artificial habitats.
The large amount of information on fish reproduction available is not always readily accessible to all interested parties. Written to appeal to aquaculturalists, conservation managers, and scientific researchers, Methods in Reproductive Aquaculture provides an overview of available techniques and addresses ways to improve depleted stocks of endange
Available for the first time in English, Cruz Miguel Ortiz Cuadra's magisterial history of the foods and eating habits of Puerto Rico unfolds into an examination of Puerto Rican society from the Spanish conquest to the present. Each chapter is centered on an iconic Puerto Rican foodstuff, from rice and cornmeal to beans, roots, herbs, fish, and meat. Ortiz shows how their production and consumption connects with race, ethnicity, gender, social class, and cultural appropriation in Puerto Rico. Using a multidisciplinary approach and a sweeping array of sources, Ortiz asks whether Puerto Ricans really still are what they ate. Whether judging by a host of social and economic factors--or by the foods once eaten that have now disappeared--Ortiz concludes that the nature of daily life in Puerto Rico has experienced a sea change.
An exhaustive review on all things algae would require a multi-volume encyclopedic work. Even then, such a tome would prove to be of limited value, as in addition to being quite complex, it would soon be outdated, as the field of phycology is full of continual revelations and new discoveries. Algae: Anatomy, Biochemistry, and Biotechnology offers students and researchers in phycology a more practical and useful approach. Instead of trying to offer a little bit of everything, the authors concentrate on highlighting especially interesting and illuminating topics, with the idea of inciting the sort of wonder and curiosity in undergraduate and post-graduate students that will encourage further outstanding work. The chapters can be read in progression to provide structure to a semester, or each can be read on its own as a self-contained essay to supplement other work. Written and designed for those with a general scientific background, the book covers freshwater, marine, and terrestrial forms. Its early chapters present an overview of the classification of the algae; these chapters are followed by reviews of life cycles, reproductions, and phylogeny, providing a conceptual framework that promotes a deeper understanding of more complex topics. Levels of organization are examined from the subcellular, cellular, and morphological standpoints, leading to discussions involving physiology, biochemistry, culture methods, and finally, the role of algae in human society. New findings are provided to demonstrate that the world of algae is still ripe with discovery for those students who keep their eyes and their minds active and open. Algae: Anatomy, Biochemistry, and Biotechnology stands as a hybrid, offering something of a cross between a typical review and a descriptive monograph. The work makes it possible for students to visualize and compare algal structure. It also supplies carefully selected literature references that direct researchers to an abundance of precise details from original sources.