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The symposium "Pacific Salmon and Their Ecosystems: Status and Future Options',' and this book resulted from initial efforts in by Robert J. Naiman and.
Table of contents
- Status and Future Options
- Evolutionary consequences of habitat loss for Pacific anadromous salmonids
- Pacific Salmon & their Ecosystems: Status and Future Options / Edition 1
- RefWorks Web Based Bibliographic Management Software
Occurrence and behaviour of transient killer whales: seasonal and pod-specific variability, foraging behaviour, and prey handling. Barrett-Lennard, L. The impact of killer whale predation on Steller sea lion populations in British Columbia and Alaska. Bolnick, D.
Status and Future Options
Can intraspecific competition drive disruptive selection? An experimental test in natural populations of sticklebacks.
Evolution , , 58, 3, , Wiley Online Library. Brault, S. Ecology , , 74, 5, , Eco Soc America. Fearnbach, H. Size and long-term growth trends of endangered fish-eating killer whales. Endang Species Res , , 13, Foote, A. Out of the Pacific and back again: insights into the matrilineal history of Pacific killer whale ecotypes.
PloS one , , 6, 9, e, Public Library of Science. Ecological, morphological and genetic divergence of sympatric North Atlantic killer whale populations.
Evolutionary consequences of habitat loss for Pacific anadromous salmonids
Ford, J. Linking killer whale survival and prey abundance: food limitation in the oceans' apex predator?
Biology Letters , , 6, 1, , The Royal Society. Forney, K. Whales, whaling and ocean ecosystems , , South coast streams actually showed slight increases in coho abundance. If, as predicted, we are entering a period of above average rainfall, we could expect to see further coho salmon declines from flooding and erosion in the wake of increased logging Alan Herlihy, OSU and Robert Hughes, Dynamac, Corvallis, OR, pers.
Reeves et al. Good salmon habitat in the Oregon Coast Range and North Coast basin evolved under a natural disturbance regime consisting of large, catastrophic wildfires with a mean return interval of several hundred years, and extended periods of natural recovery punctuated by stochastic flood events. Post-fire landslides during floods would have introduced sediment and large woody material into stream channels, initiating or sustaining stream recovery Benda , Reeves et al.
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With regard to land management on the Tillamook and Clatsop State Forests, stream recovery will require the restoration of watershed processes, including complex stream interactions with riparian vegetation, episodic and less frequent landsliding relative to present frequent and chronic erosion , slide delivery of coarse woody material to streams especially large, whole conifers and flow regimes Huntington and Frissell, In practical terms, this will mean watershed rehabilitation, significantly longer harvest rotations, better riparian buffering, and avoidance of unstable areas.
Given the recent fire, flood, and salvage logging history of the Tillamook State Forest, we do not see how a primary emphasis on timber production and harvest will allow the Department of Forestry to consider implementing the kinds of management strategies that will be necessary to recover damaged salmon habitat. In the spirit of the Oregon Plan, we strongly encourage the Department of Forestry to adopt rules and forest management plans consistent with a comprehensive strategy for restoring aquatic resources on state forest lands.
Development and implementation of such a strategy would provide the public a blueprint for how fish and wildlife values important to Oregonians will be protected, maintained and enhanced. Huntington and Frissell have outlined such a strategy for river basins that include the Tillamook and Clatsop state forests. Their strategy includes most or all of the following elements that seem essential to salmon recovery:.
Pacific Salmon & their Ecosystems: Status and Future Options / Edition 1
State statute, ORS To that end, it would seem appropriate to manage state lands in such a way that all aspects of public use and value, including recreational, ecological and fish and wildlife values, are addressed. While timber production from state lands generates substantial tax revenues for counties and their educational infrastructure; recreation, tourism, and fish and wildlife also contribute substantially to county economies and residents.
Prudent and precautionary management of public resources should seek to minimize the risk to each constituent value rather than to maximize one value which, based on historic practices, has detrimental impacts on other values. Rather than emphasizing revenues from one particular use of state lands timber production , we suggest that Oregon state lands be managed to maximize the aggregate value of these lands to all Oregonians from all non-consumptive and consumptive uses.
The Tillamook and Clatsop State Forests present the Department of Forestry with an opportunity to adopt ecologically based management practices which will conserve and restore recreational, ecological and fish and wildlife values, while still providing for timber harvest. We hope that any rules adopted by the Board of Forestry will encourage such management of these forests.
Benda, L. Stochastic geomorphology in a humid mountain landscape. Bisson, P. Reeves, R. Bilby and R. Watershed management and Pacific salmon: desired future conditions.
RefWorks Web Based Bibliographic Management Software
Bisson, and R. Naiman, eds. Genetic differentiation between sympatric killer whale populations. Heredity , , 66, 2, Evolution of population structure in a highly social top predator, the killer whale. Low worldwide genetic diversity in the killer whale Orcinus orca : implications for demographic history. Proceedings of the Royal Society of London. Morin, P. Genetic analysis of killer whale Orcinus orca historical bone and tooth samples to identify western US ecotypes.
Morin,Phillip A. Thomas P. Complete mitochondrial genome phylogeographic analysis of killer whales Orcinus orca indicates multiple species. Genome Res. Moritz, C. Strategies to protect biological diversity and the evolutionary processes that sustain it. Noren, D. Estimated field metabolic rates and prey requirements of resident killer whales. Pitman, R. Cooperative hunting behavior, prey selectivity and prey handling by pack ice killer whales Orcinus orca , type B, in Antarctic Peninsula waters. Sancetta, C. Deep Sea Research Part A. Oceanographic Research Papers , , 30, 8, , Elsevier.