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Fifty years ago, riparian habitats were not recognized for their extensive and critical contributions to wildlife and the ecosystem function of watersheds. This changed as riparian values were identified and documented, and the science of riparian ecology developed steadily. Papers in this volume range from the more mesic northwestern United States to the arid Southwest and Mexico. More than two dozen authors?most with decades of experience?review the origins of riparian science in the western United States, document what is currently known about riparian ecosystems, and project future needs. Topics are widespread and include: interactions with fire, climate change, and declining water; impacts from exotic species; unintended consequences of biological control; the role of small mammals; watershed response to beavers; watershed and riparian changes; changes below large dams; water birds of the Colorado River Delta; and terrestrial vertebrates of mesquite bosques.
The Clean Water Act (CWA) requires that wetlands be protected from degradation because of their important ecological functions including maintenance of high water quality and provision of fish and wildlife habitat. However, this protection generally does not encompass riparian areasâ€"the lands bordering rivers and lakesâ€"even though they often provide the same functions as wetlands. Growing recognition of the similarities in wetland and riparian area functioning and the differences in their legal protection led the NRC in 1999 to undertake a study of riparian areas, which has culminated in Riparian Areas: Functioning and Strategies for Management. The report is intended to heighten awareness of riparian areas commensurate with their ecological and societal values. The primary conclusion is that, because riparian areas perform a disproportionate number of biological and physical functions on a unit area basis, restoration of riparian functions along America's waterbodies should be a national goal.
In this first-ever landmark study of New Mexico's wild carnivores, Jean-Luc E. Cartron and Jennifer K. Frey have assembled a team of leading southwestern biologists to explore the animals and the major issues that shape their continued presence in the state and region. The book includes discussions on habitat, evolving or altered ecosystems, and new discoveries about animal behavior and range, and it also provides details on the distribution, habitat associations, life history, population status, management, and conservation needs of individual carnivore species in New Mexico. Like Cartron's award-winning Raptors of New Mexico, Wild Carnivores of New Mexico shares the same emphasis on scientific rigor and thoroughness, high readability, and visual appeal. Each chapter is illustrated with numerous color photographs to help readers visualize unique morphological or life-history traits, habitat, research techniques, and management and conservation issues.
This book describes the underlying water conditions and geologies that support viable riparia, illustrates the ecological characteristics of riparia, and discusses how riparia are used by human cultures as well as how riparia can be used to sustain environmental quality. In recent years riparian management has been widely implemented as a means of improving fisheries, water quality, and habitat for endangered species. This book provides the basic knowledge necessary to implement successful, long-term management and rehabilitation programs. Treats riparian patterns & processes in a holistic perspective, from ecological components to societal activities Contains over 130 illustrations and photos that summarize this complex ecological system Synthesizes the information from more than 6,000 professional articles Sidebars provide a look into ongoing research that is at the frontiers of riparian ecology and management
How do plants make a living? Some plants are gamblers, others are swindlers. Some plants are habitual spenders while others are strugglers and miserly savers. Plants have evolved a spectacular array of solutions to the existential problems of survival and reproduction in a world where resources are scarce, disturbances can be deadly, and competition is cut-throat. Few topics have both captured the imagination and furrowed the brows of plant ecologists, yet no topic is more important for understanding the assembly of plant communities, predicting plant responses to global change, and enhancing the restoration of our rapidly degrading biosphere. The vast array of plant strategy models that characterize the discipline now require synthesis. These models tend to emphasize either life history strategies based on demography, or functional strategies based on ecophysiology. Indeed, this disciplinary divide between demography and physiology runs deep and continues to this today. The goal of this accessible book is to articulate a coherent framework that unifies life history theory with comparative functional ecology to advance prediction in plant ecology. Armed with a deeper understanding of the dimensionality of life history and functional traits, we are now equipped to quantitively link phenotypes to population growth rates across gradients of resource availability and disturbance regimes. Predicting how species respond to global change is perhaps the most important challenge of our time. A robust framework for plant strategy theory will advance this research agenda by testing the generality of traits for predicting population dynamics.
Established by the USDA Forest Service in 1993, the Great Basin Ecosystem Management Project for Restoring and Maintaining Sustainable Riparian Ecosystems is a large-scale research study that uses an interdisciplinary approach to examine the effects of climate change and human disturbance on riparian areas. Structured as a collaborative effort between management and research, the project focuses on understanding the geomorphic, hydrologic, and biotic processes that underlie riparian structure and function and the interrelated responses of those processes to disturbances, both natural and anthropogenic. Great Basin Riparian Ecosystems, edited by Jeanne C. Chambers and Jerry R. Miller, presents the approach used by the researchers to study and understand riparian areas in the Great Basin region. It summarizes the current state of knowledge about those areas and provides insights into the use of the information generated by the project for the restor-ation and management of riparian ecosystems. Because semi-arid ecosystems like the Great Basin are highly sensitive to climate change, the study considered how key processes are affected by past and present climate. Great Basin Riparian Ecosystems also examines the processes over a continuum of temporal and spatial scales. Great Basin Riparian Ecosystems addresses restoration over a variety of scales and integrates work from multiple disciplines, including riparian ecology, paleoecology, geomorphology, and hydrology. While the focus is on the Great Basin, the general approach is widely applicable, as it describes a promising new strategy for developing restoration and management plans, one based on sound principles derived from attention to natural systems.