68 research outputs found
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A comprehensive approach for habitat restoration in the Columbia Basin
The Columbia Basin once supported a diversity of native fishes and large runs of anadromous salmonids that sustained substantial fisheries and cultural values. Extensive land conversion, watershed disruptions, and subsequent fishery declines have led to one of the most ambitious restoration programs in the world. Progress has been made, but restoration is expensive (exceeding US $300 M/year), and it remains unclear whether habitat actions, in particular, can be successful. A comprehensive approach is needed to guide cost-effective habitat restoration. Four elements that must be addressed simultaneously are (1) a scientific foundation from landscape ecology and the concept of resilience, (2) broad public support, (3) governance for collaboration and integration, and (4) a capacity for learning and adaptation. Realizing these in the Columbia Basin will require actions to rebalance restoration goals to include diversity, strengthen linkages between science and management, increase public engagement, work across traditional ecological and social boundaries, and learn from experience.This is the publisherâs final pdf. The published article is copyrighted by Taylor & Francis and can be found at: http://www.tandfonline.com/loi/ufsh20#.VUEib2MywS
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Book Review: Rangelands of the Arid and Semi-Arid Zones of Uzbekistan, G. Gintzburger, K. N. Toderich, B. K. Mardonov, M. M. Mahmudov
Book Review: Rangelands of the Arid and Semi-Arid Zones of Uzbekistan, G. Gintzburger, K. N. Toderich, B. K. Mardonov, M. M. Mahmudov. Centre de Cooperation Internationale en Recherche Agronomique pour le Development (CIRAD) and the International Center for Agricultural Research in the dry areas (ICARDA) (2003).The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Book Review: Mosquitoes and Their Control, Norbert Becker, Dusan Petric, Marija Zgomba, Clive Boase, Christine Dahl, John Lane, Achim Kaiser
Book Review: Mosquitoes and Their Control, Norbert Becker, Dusan Petric, Marija Zgomba, Clive Boase, Christine Dahl, John Lane, Achim Kaiser, Kluwer Academic/Plenum Publishers, New York (2003).The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Book Review: The Cycads, Loran M. Whitelock
Book Review: The Cycads, Loran M. Whitelock, Timber Press, Portland, Oregon (2002).The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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A viewpoint: Using multiple variables as indicators in grazing research and management
Multi-variable analysis of grazing research has seen little conceptual development and even less application. To advance research on the multiple relationships of livestock grazing, computer-based analyses using multiple variables are needed. Dynamic variables describing livestock-herbage relationships must be developed to describe dynamic processes such as herbage growth and disappearance. Such variables could be used either alone or in combination with other variables as indicators to analyze and manage grazing. This paper presents 4 arrays of derived variables and discusses their individual and combinational value in analyzing and managing grazing. Greater power in analyzing grazing will come from use of combinations of variables rather than relying on single variables, e.g., stocking level. The variables described are useful in comprehensive analyses of research or in ad hoc roles aiding decisions in management. The paper also discusses possible future uses of variables as indicators in computerized analyses of other ecological systems.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Technical Notes: The relationship of stocking intensity and stocking pressure to other stocking variables
Stocking intensity and stocking pressure have been defined and used as technical stocking variables describing animals on pasture. Relationships between these variables and stocking variables such as stocking density and stocking rate are discussed. One conclusion is that stocking intensity and stocking pressure are not informationally unique variables, but are equivalent to stocking variables defined in other work. Retention of the terms stocking intensity and stocking pressure is recommended for nontechnical use in describing livestock grazing.This material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries.The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Book Review: Goat Nutrition, P. Morand-Fehr
Book Review: Goat Nutrition, P. Morand-Fehr (Ed.). Centre for Agricultural Publishing and Documentation, (Pudoc), Washington, Netherlands (1991).The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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Book Review: Tree Islands of the Everglades, F. H. Sklar, Arnold van der Valk (Eds.)
Book Review: Tree Islands of the Everglades, F. H. Sklar, Arnold van der Valk (Eds.), Kluwer Academic Publishers, Dordrecht, Netherlands (2002).The Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact [email protected] for further information.Migrated from OJS platform August 202
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