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This book presents a global and interdisciplinary approach to plant ecology, guiding students through essential concepts with real-world examples.
This text provides a synthesis of the existing field of wetland ecology using a few central themes, including key environmental factors that produce wetland community types and some unifying problems such as assembly rules, restoration and conservation.
Offers a unifying framework for community ecology by addressing how communities are assembled from species pools.
Behaviour.
Plants make up 99.9 percent of the world's living matter, provide food and shelter, and control the Earth's climate. The study of plant ecology is therefore essential to understanding the biological functions and processes of the biosphere. This vibrant introductory textbook integrates important classical themes with recent ideas, models and data. The book begins with the origin of plants and their role in creating the biosphere as the context for discussing plant functional types and evolutionary patterns. The coverage continues logically through the exploration of causation with chapters, amongst others, on resources, stress, competition, predation, and mutualism. The book concludes with a chapter on conservation, addressing the concern that as many as one-third of all plant species are at risk of extinction. Each chapter is enriched with striking and unusual examples of plants (e.g., stone plants, carnivorous plants) and plant habitats (e.g., isolated tropical tepui, arctic cliffs). Paul Keddy writes in a lively and thought-provoking style which will appeal to students at all levels.
Considers the evidence for the existence of unifying rules controlling the formation and maintenance of ecological communities.
Louisiana is one of the most beautiful parts of North America. It offers much more than Mardi Gras and Bourbon Street. With 25 maps and 60 illustrations, this is the first book to introduce the full range of wild places in Louisiana. Certainly the states magnificent swamps are described, but Louisiana showcases a great diversity of natural habitats prairies, longleaf pine savannas, oak forests, Appalachian forest, river valleys, cliffs, sand dunes, and cheniers. Each has its distinctive plant and animal species. Frogs living in trees, fish digging burrows, pelicans nesting on offshore islands and plants eating insects, as well as wild orchids, dwarf palmettos, armadillos, and Some of the aut...
Charles Darwin has invited Siddhartha Gautama to hike the Appalachian Trail through the Great Smoky Mountains. What stories will they share? What advice might they offer for living in modern times? What might they say about solving global environmental crises? Pick up your backpack, and join the adventure.
Today, efforts are being made to rehabilitate badly degraded ecosystems and protect areas which have important ecological value, such as national parks, critical fish and wildlife habitats, natural communities and endangered species. Since human values are an integral part of the decisions to protect or rehabilitate-the goals and objectives for such actions are often unclear. Concepts of "health," "integrity" and "diversity" express important values associated with management actions but they do not provide clear guidelines for these actions. The criteria developed and applied in this book provide guidelines and serve as a road map to anyone involved in ecosystem management-scientists, land managers and policy makers.
Monitoring has become fashionable. Business now talks about monitoring its activities, efficiency, costs and profits. The National Health Service is monitoring general practices and hospitals; it is keen to have more information about efficiency and the duration of stay of patients in different hospitals undergoing different types of treatment. These activities are usually carried out in relation to specific objectives with the aim of making activities more cost effective and competitive. Does the same apply in biology, ecology and nature conservation? Or, are we still enjoying conducting field surveys for the fun of it, at best with rather vague objectives and saying to our colleagues that ...