Estuarine Food Chains And Webs
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| Author | : Donald Wojahn |
| Publisher | : Lerner Publications |
| Total Pages | : 68 |
| Release | : 2009-08-01 |
| Genre | : Juvenile Nonfiction |
| ISBN | : 0761357181 |
Welcome to a North American estuary! As you travel through the swamp’s murky water, you wade through green duckweed and push ahead to the moss-draped trees at the water’s edge. Everything seems green and still. But the estuary is full of life, from an American alligator lying in wait for a cottonmouth snake, to a swarm of biting midges stinging you. Day and night in the estuary, the hunt is on to find food - and to avoid becoming someone else’s next meal. All living things are connected to one another in a food chain, from animal to animal, animal to plant, plant to insect, and insect to animal. What path will you take to follow the food chain through the estuary? Will you ...swoop through the sky with a barred owl chasing a mouse? Join a family of opossums munching on a poisonous snake? Nibble on some water plants with a swamp rabbit? Follow all three chains and many more on this who-eats-what adventure!
| Author | : Renzo Perissinotto |
| Publisher | : Cambridge University Press |
| Total Pages | : 515 |
| Release | : 2013-05-16 |
| Genre | : Nature |
| ISBN | : 1107354994 |
St Lucia is the world's oldest protected estuary and Africa's largest estuarine system. It is also the centerpiece of South Africa's first UNESCO World Heritage Site, the iSimangaliso Wetland Park, and has been a Ramsar Wetland of International Importance since 1986. Knowledge of its biodiversity, geological origins, hydrology, hydrodynamics and the long history of management is unique in the world. However, the impact of global change has culminated in unprecedented challenges for the conservation and management of the St Lucia system, leading to the recent initiation of a project in support of its rehabilitation and long-term sustainability. This timely volume provides a unique source of information on the functioning and management of the estuary for researchers, students and environmental managers. The insights and experiences described build on over 60 years of study and management at the site and will serve as a valuable model for similar estuaries around the world.
| Author | : Hilary Stewart |
| Publisher | : D & M Publishers |
| Total Pages | : 188 |
| Release | : 2008-09-01 |
| Genre | : Social Science |
| ISBN | : 9781926706399 |
The Northwest Coast people devised ingenious ways of catching the different species of fish, creating a technology vastly different from that of today’s industrial world. With attention to clarity and detail, Hilary Stewart illustrates their hooks, lines, sinkers, lures, floats, clubs, spears, harpoons, nets, traps, rakes and gaffs, showing how these were made and used in over 450 drawings and 75 photographs. One section demonstrates how the catch was butchered, cooked, rendered and preserved. The spiritual aspects of fishing are described as well — prayers and ceremonies in gratitude and honour to the fish, customs and taboos indicating the people’s respect for this life-giving resource. The fish designs on household and ceremonial objects are depicted — images that tell of fishing’s importance to the whole culture.
| Author | : Andrea Belgrano |
| Publisher | : Oxford University Press, USA |
| Total Pages | : 274 |
| Release | : 2005 |
| Genre | : Science |
| ISBN | : 0198564821 |
'Aquatic Food Webs' provides a current synthesis of theoretical and empirical food web research. The textbook is suitable for graduate level students as well as professional researchers in community, ecosystem, and theoretical ecology, in aquatic ecology, and in conservation biology.
| Author | : Denise M. Seliskar |
| Publisher | : |
| Total Pages | : 88 |
| Release | : 1983 |
| Genre | : Northwest Coast of North America |
| ISBN | : |
| Author | : Gary A. Polis |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 475 |
| Release | : 2013-04-17 |
| Genre | : Science |
| ISBN | : 1461570077 |
Reflecting the recent surge of activity in food web research fueled by new empirical data, this authoritative volume successfully spans and integrates the areas of theory, basic empirical research, applications, and resource problems. Written by recognized leaders from various branches of ecological research, this work provides an in-depth treatment of the most recent advances in the field and examines the complexity and variability of food webs through reviews, new research, and syntheses of the major issues in food web research. Food Webs features material on the role of nutrients, detritus and microbes in food webs, indirect effects in food webs, the interaction of productivity and consumption, linking cause and effect in food webs, temporal and spatial scales of food web dynamics, applications of food webs to pest management, fisheries, and ecosystem stress. Three comprehensive chapters synthesize important information on the role of indirect effects, productivity and consumer regulation, and temporal, spatial and life history influences on food webs. In addition, numerous tables, figures, and mathematical equations found nowhere else in related literature are presented in this outstanding work. Food Webs offers researchers and graduate students in various branches of ecology an extensive examination of the subject. Ecologists interested in food webs or community ecology will also find this book an invaluable tool for understanding the current state of knowledge of food web research.
| Author | : Rudolph A. Rosen |
| Publisher | : Texas A&M University Press |
| Total Pages | : 218 |
| Release | : 2014-12-29 |
| Genre | : Science |
| ISBN | : 1623491932 |
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.
| Author | : John W. Day, Jr. |
| Publisher | : John Wiley & Sons |
| Total Pages | : 578 |
| Release | : 1989-05-09 |
| Genre | : Nature |
| ISBN | : 9780471062639 |
This textbook covers the physical and chemical aspects of estuaries, the biology and ecology of key organisms, the flow of organic matter through estuaries, and human interactions, such as the environmental impact of fisheries on estuaries and the effects of global climate change on these important ecosystems. Each chapter will begin with basic concepts and then move on to describing applications and current practice. This new edition is being authored by a team of world experts from the estuarine science community.
| Author | : John W. Day, Jr. |
| Publisher | : John Wiley & Sons |
| Total Pages | : 576 |
| Release | : 2012-11-19 |
| Genre | : Science |
| ISBN | : 0471755672 |
Estuaries are among the most biologically productive ecosystems on the planet--critical to the life cycles of fish, other aquatic animals, and the creatures which feed on them. Estuarine Ecology, Second Edition, covers the physical and chemical aspects of estuaries, the biology and ecology of key organisms, the flow of organic matter through estuaries, and human interactions, such as the environmental impact of fisheries on estuaries and the effects of global climate change on these important ecosystems. Authored by a team of world experts from the estuarine science community, this long-awaited, full-color edition includes new chapters covering phytoplankton, seagrasses, coastal marshes, mangroves, benthic algae, Integrated Coastal Zone Management techniques, and the effects of global climate change. It also features an entriely new section on estuarine ecosystem processes, trophic webs, ecosystem metabolism, and the interactions between estuaries and other ecosystems such as wetlands and marshes
| Author | : Donald S. McLusky |
| Publisher | : OUP Oxford |
| Total Pages | : 222 |
| Release | : 2004-04-29 |
| Genre | : Science |
| ISBN | : 0191546232 |
For the inhabitants of many of the world's major towns and cities, estuaries provide their first and nearest glimpse of a natural habitat. Despite the attempts of man to pollute or reclaim it, the estuarine ecosystem continues to provide a fascinating insight into a natural world where energy is transformed from sunlight into plant material, and then through the steps of a food chain is converted into a rich food supply for birds and fish. The book provides a concise readable introduction to estuarine ecology. First published in 1981, it soon established itself as the principle textbook of choice in the UK & NW Europe. This new edition builds upon the strengths of the earlier editions but has been thoroughly revised throughout. The new co-author brings a human impact dimension to the revised book. It is written for advanced undergraduate and graduate students (particularly taught masters) who have had a general ecology course, but no further training in estuarine science. It will be useful to both professional researchers and practical managers in marine ecology and environmental science who seek a compact but comprehensive introduction to estuarine ecology.
