Recovery Plan for the Northern Spotted Owl - DRAFT

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continued-9-16 thru9-20-919-19-91Spotted Owl Subgroupmeeting Portland,OregonPlanning Committeemeeting Portland,OregonReview salvage report, data layers in GISand salvage and silvicultural activities.Discuss options for nonfederal lands. Presentation of industryproposal for recovery plan.Discussion of institutional mechanisms for nonfederallands, principles of implementation, individual managementplans for DCAs, and critical habitat. Presentation onBull Run watershed.9-23 thru Recovery Team meeting9-27-91 Portland, OregonCommittee reports. Presentation on Bull Run watershed.Discussion of ecological significance of coarse woody debris;effects of fire, wind, insects, and disease; silvicultural methodsfor improving and retaining owl habitat inside and outside DCAs.9-26-919-27-91Spotted Owl Subgroupmeeting Portland,OregonPlanning Committeemeeting Portland,OregonMeeting with Forest Ecology Committee todiscuss management of catastrophic riskin DCAs.Discussion of process for evaluatingproposals, writing tasks, four-stepprocess for integration, development of landscape alternative,oversight mechanism, and critical habitat.10-04-91 Planning Committeemeeting Portland,Oregon10-11-91 Planning Committeemeeting Portland,Oregon10-15 and Planning Committee10-16-91 meeting Portland,Oregon10-17 and Recovery Team meeting10-18-91 Portland, Oregon10-29 thru Recovery Team meeting11-01-91 Portland, Oregon11-04 thru Recovery Team meeting11-08-91 Portland, Oregon11-05-91 Planning Committeemeeting Portland,OregonState and private participation, criticalhabitat, implementation issues.Conference call to discuss take, HCP,section 4(d) rule.Discussion of critical habitat, take, HCP, section 4(d) rule.Report on "silviculture, salvage and catastrophic riskmanagement in DCAs." Review of draft material onimplementation on state and private lands, coordinationand oversight mechanisms, current management.Committee reports. Progress report on chapters. Discussionof recommendations for critical habitat, DCA network matrixmanagement, management on east side forests, developmentof research and monitoring program, and demographic analysis.Mapping designated conservation areaswith participation of representatives from the national forestsand BLM districts.Committee reports. Discussion ofmanagement guidelines for DCAs and matrix.Discussion of state proposals and currentmanagement.continues-636
continued-12-03 thru Recovery Team meeting Committee reports. Discussion of12-06-91 Portland, Oregon critical habitat, Washington D.C. review, chapters 1, 11, and 111.1-14 and Recovery Team meeting Report on Washington D.C. review of draft recovery plan,1-15-92 Portland, Oregon results from peer review, Appendices A, B, H, and 1,proposed revisions to plan, and Secretary's directive tothe Recovery Team.Technical Reports Prepared for the Recovery TeamBenson, G. 1991. Summary of northern spotted owl nest site information ineastern Washington. Unpublished manuscript. Spotted owl RD&A (research,development, and applications) Program, Pacific Northwest Experiment Station,U.S. Forest Service, Portland, Oregon.Benson, G. 1991. Characterization of spotted owl habitat: east slope of theWashington and Oregon Cascades (Draft). Unpublished manuscript. Spottedowl RD&_A (research, development and applications) Program, Pacific NorthwestExperiment Station, U.S. Forest Service, Portland, Oregon.Birch, K. 1991. Silviculture systems for Douglas-fir. Unpublished reportsubmitted to the Northern Spotted Owl Recovery Team.Frest, T.J. and E.J. Johannes. 1991. Present and potential candidate molluscsoccurring within the range of the northern spotted owl. Unpublishedmanuscript. Deixis Consultants. Seattle, Washington.Grenier, J. 1991. Review of information on structure of old-growth stands andold-growth stands used by spotted owls in western Oregon and Washington.Unpublished manuscript submitted to the Northern Spotted Owl RecoveryTeam.Lamberson, R.H. and S. Brooks. 1991. An xxamination of the high density ofnorthern spotted owls in nmorthwestem California. Unpublished manuscript.Department of Mathematics and Program in Environmental Systems, HumboldtState University, Arcata, California.McComb, W.C. 1991. The role of dead wood in habitat of spotted owl prey andother old forest vertebrates. Unpublished manuscript. Department of ForestScience, Oregon State University, Corvallis, Oregon.Morrell, J.J. 1991. Role of fungi in coarse woody debris. Unpublished manuscript.Department of Forest Products, Oregon State University, Corvallis,Oregon.Oliver, C. 1991. northern spotted owl habitat in previously managed forests inwestern and eastern Washington with and without further management.Unpublished manuscript. College of Forestry, University of Washington,Seattle, Washington.637
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I 1.2:Sp 6/draftRecovery Plan for t
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List of FiguresTable 4.1 Abbreviate
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Recovery ObjectiveSecretary of the
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Management Rules for Designated Con
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Monitoring and Research ProgramThe
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Chapter IIntroduction1
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"Threatened species" means a specie
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B. The Interagency Scientific Commi
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lished works and many government do
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II.A. Natural History of theNorther
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I- \IzXelT - - -.11 I..., ... I.."
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spring. Territories probably are sm
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Northern goshawks (Accipiter gentil
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also use a variety of nest sites in
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Home Range SizeHome range is define
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Table 2.2. Median amounts of old-gr
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3. Life Historycannot reject the hy
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Dispersal1984, Thomas et al. 1990,
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4. ConclusionOur knowledge of the n
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Ca n a d aEastern Washington Cascad
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Table 2.3. Estimated spotted owl ha
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Table 2.4. Significant threats to t
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Table 2.5. Results of surveys for s
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isolated. In these provinces, small
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centers for 30 to 35 spotted owl te
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Southwest Washington occupies a key
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Distribution of Habitat and Populat
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Province Isolation. The eastern Was
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were in suitable habitat condition.
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Estimated acres of forest landbase:
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owned and contain little suitable h
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Vulnerability to Natural Disturbanc
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Douglas-fir/hardwood types, the lat
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miles from the contiguous populatio
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In comparison, the southern part of
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Sacramento River Canyon now provide
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On January 11, 1980, there was an a
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vation Strategy for the Northern Sp
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transfer of one area to the Grand R
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The BLM Spokane (Washington) Distri
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3. National Park ServiceThe followi
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The results of a consultation are s
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- Since landowners already face cut
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4. Cumulative Effects AssessmentThe
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Assessment, Planning, and Monitorin
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Spotted owl nesting sites and activ
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Coastal Oregon Productivity Enhance
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including wildlife. In other cases,
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Currently, the Yakima Indian Nation
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where timber harvest is limited to
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III.A. Recovery Objective and Delis
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4. The population is unlikely to ne
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Needs of other species should be co
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years. The strategy of managing for
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't0
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Finally, the plan recommends mainta
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A total of 1,181 pairs of owls has
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DKnown owlsin the OregonprovincesKn
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mologists, and representatives of o
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this prey species is an appropriate
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After 100 years residual snags will
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2. Fuelwood Gathering. If allowed,
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The application of prescriptions A,
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owls. (Refer to tables in section I
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PRESCRIPTION D -RETAIN OWLS IN MANA
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126
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DCA Management Plans.The recovery p
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Endangered Species Act) or through
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6. Costs to landowners should be re
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The real or perceived disincentives
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authority of the public body to ent
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* Use the recovery plan's recommend
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140
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Supplemental pair areas - Habitat d
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Numbers of owls currently are estim
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Biological goals and implementation
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ning. Also, several unsurveyed area
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Owl pairsKnown owlsin the province3
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- Initiate long-range planning effo
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Table 3.8. Summary comments on the
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from nonfederal lands are needed to
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Eastern Washington Cascades Provinc
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(Owl pairs140 - _ _ _ _ _ _ _ _ _ _
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habitat in DCA WD- 16. Approximatel
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Table 3.12. Summary comments on the
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Ttllwrnook/Astoria area. Provide su
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connectivity between key DCAs. This
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ITable 3.14. Summary comments on th
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crest of the Cascade Mountains. The
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sites on federal lands (figure 3.21
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Owl pairsL I 350- _ _ . ...........
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DCAs, often combined with adjacent
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Owl pairsLiKnown owlsin the provinc
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nesting and roosting habitat until
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Option 3: Management of clusters: g
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Table 3.21. Summary of acreage and
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Owl pairs -Known owlsin the provinc
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and to within 0.5 miles of the acti
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Spotted owls have been found at 86
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their distance from other sites. Ar
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* Recommend population and habitat
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away in some or all of the range. D
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4. What are the population dynamics
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If the monitoring and research prog
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lowlands, eastern Oregon Cascades,
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210
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Stepdown Outline1. Management Tasks
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Table 4.1 Abbreviated Cost TableThe
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continued-TaskPriorityResp. PartyCo
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218
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220
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and the number of invertebrate anim
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Table 5.2. Numbers of other species
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Amphibians and Reptiles: Larch Moun
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228
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230
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Barrows, C. W. 1980. Feeding ecolog
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Clark, R. J., D. G. Smith, and L. H
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Franklin, A. B., J. A. Blakesley, a
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Harestad, A. S., and F. L. Bunnell.
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Lundquist, R. W. and J. M. Mariani.
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O'Halloran, K. 1989. Spotted owl in
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Solis, D. M. 1980. Habitat use by n
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Young, K. D., A. B. Franklin, and J
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248
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250
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Table A.1. General approaches for e
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complete count of the territorial b
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Table A.3. Powera for various desig
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Table A.4. Illustration of a Markov
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Obviously, these statements hold on
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Table A.6. Reliability of trend est
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Demographic AnalysisAs noted earlie
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the estimate (using the simple equa
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however, we know little about the b
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Table A.8. Summary of information n
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predict the power achieved by diffe
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Other studiestached. If dispersing
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impractical at present. We describe
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Conclusionsthe year effect can be i
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280
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282
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284
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owls. Consequently, the issue of wh
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Use of the informationAssessments a
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Recent LiteratureWe might begin by
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Kerms (1989) measured habitat struc
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Hamer (pers. comm.) described 11 ne
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Table B.3. Percent hardwoods in the
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Table B.5. Comparison of habitats u
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Table B.8. Tree density (number of
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and numbers of trees, and percent o
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Under this hypothesis, owl fitness
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suitable habitat for that region (m
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ResultsDiscussionspotted owl habita
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__Discussiondata from 41 sites in t
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Recommendations for Future Research
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314
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Hamer, T. 1988. Home range size of
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318
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320
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Parameter Estimatesfor Individual S
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provided in Table C. 5. Study of th
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Table C.6. Summary of statistics re
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3. ConclusionsThis source of bias i
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330
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Gray Wolf .........................
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formed during the initial meeting t
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provide habitat for the numerous sp
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The ApproachA committee of the Reco
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The List of Threatened and Endanger
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Mammalsoldest trees in a stand. Eig
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ABBFigure D. 1. Distribution of: a)
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KTable D.3. A list of threatened an
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Fishestheir dispersal capabilities
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OlympicNorthcoastalRockyMountainSou
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continued-StatusabState Considered
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continued-SpeciesColumbia sidebandM
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endemic to the Pacific Northwest).
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------continued-SpeciesRhyacophila
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continued-SpeciesFed3tatusa bStateW
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StatusasbOld ForestState Associatio
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Summaryspores (Maser et al. 1978b).
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Biology of Owl Prey, Older Forest A
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Woodrats.-The dusky-footed woodrat
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and are less restrictive under stat
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Stock concept.-The term "stock" was
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Table D.10. List of fish stocks of
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continued-Steelhead-owipu Sea-runTr
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continued-BasinHoodWillametteRogueS
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Table D.13. Washington streams (or
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inland distribution currently decre
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nesting territories in the three st
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However, little is known about the
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Fisher (Martes penncmti)Distributio
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at one time supported marten popula
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each population of these animals is
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species also is found under the bar
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few meters from water after heavy r
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In considering the needs of other s
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Barrows, C. W. 1981. Roost selectio
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Clark, T. W., E. Anderson, C. Dougl
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Hamer, T. E. 1991. Habitat relation
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Mannan, R. W., E. C. Meslow, and H.
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Oakley, A. L., Collins, J. A., Ever
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Solis, D. M. 1983. Summer habitat e
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Washington Natural Heritage Program
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414
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f. Wilderness.g. Livestock grazing.
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I. Monitoring.1. Northern spotted o
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420
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here will reduce some of that habit
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424
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426
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Selection of Forest TypesAt the tim
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eceive as little as 25 inches. Disc
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A. FireThe combination and interact
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Table F.4. Important forest insects
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continued-Common Name Causal Agent
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D. DiseasesForest diseases in the P
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III. Forest Protection in theWest C
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120 100200 500I~~~~.K446Figure F.4.
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InsectsDiseasesInsects in this subr
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__hardwoods are immune. Shade toler
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pests (Schowalter 1988). Black stai
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tion and initial attack. If manipul
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log and snag density was likely low
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B. Management Effects on StandsMana
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units (underburning or lop/scatter)
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In the higher elevation White Fir a
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growth often increases (Reinhardt a
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50rcc4*0-cC)2M CmZ13010-yearI ,...*
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In the East Cascades subregion fore
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The introduced disease, white pine
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VI. Conclusionsmortality will resul
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Baker, F.A. 1988. The influence of
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Habeck, J.R. 1990. Old-growth ponde
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Perry, D.A., and J.G. Borchers. 199
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Weatherspoon, C.P., and C.N. Skinne
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482
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484
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area, structure, ages, location; ne
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Stand AFigure G.2. A--unthmnned Dou
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figure 0.3. Effects of thinning Dou
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II. Review of Natural Vegetation an
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western hemlock, and sometimes othe
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year intervals (Appendix F). With t
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Live crown ratiobecent)6050IStand A
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Basal area growth continued to incr
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technology probably will allow some
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Stand A. No activities (west side 3
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Stand A. No activities (west side o
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acre, 4 to 12 inches in diameter),
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allow redwood sprout clumps maximum
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KAge 15 years - 511 trees per acre,
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6Stems per acre100 _ Stand A. Natur
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Basal Area(square feetper acre)50 1
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* Opening the canopy in small patch
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Drew, T.J. and J.W. Flewelling. 197
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Miller, R.E.; D.L. Reukema, and R.L
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Tappeiner, J.C., P.M. McDonald, and
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526
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528
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6. Timber supply curve and economic
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scientifically credible biological
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E. Summary of Preliminary Estimates
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II. General Economic Principles for
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practices may be able to show how s
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Economic patterns show the efficien
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The sustainable yield concept that
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A. Previously Estimated Economic Co
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County receipts were estimated to d
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B. Potential Social Costs of Owl Co
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The contrast between the behavior d
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0U1 n1nDTable H.2. Economic depende
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cḻlTable H.4. Economic characteri
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An analysis completed by the State
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V. Preliminary Evaluation of the Ec
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25-° 20/0M 15-a)CLU)0 10-0CL 5 -0)
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25 -- 20-0co/o 15--Da)a0a)10m~ C) 5
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forestlands. The costs of productio
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In Figure H.8, the equilibrium betw
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foregone and the way they will save
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The income created by the purchase
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Two concepts are useful for underst
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y an estimate of the price that wou
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Table H.10. Comparison of timber em
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of the second year. The same assump
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are generally much lower than for c
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582
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studies at University of Washington
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Page 604 and 605: Most significant late successionall
Page 606 and 607: to evaluate options. Information in
Page 608 and 609: Q0Table 1.1. Estimated acres and ow
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Page 612 and 613: 01CDarTable 1.5. Size class distrib
Page 614 and 615: Table 1.8. Frequency distribution o
Page 616 and 617: Literature CitedThomas, J.W., E.D.
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Page 620 and 621: - The overlap of home ranges among
Page 622 and 623: Table J.2. Acreage and owl numbers
Page 624 and 625: continuedDCA Land AcreageIdent. Sta
Page 634 and 635: Table J.9. Acrea ?e and owl numbers
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Page 640 and 641: -DCAIdent.LandStatusAcreageNRF Tota
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Page 644 and 645: Experience Includes: Assistant Dire
Page 646 and 647: Education: B.S. in forestry from Or
Page 648 and 649: Team SupportCharles Bruce, Oregon D
Page 650 and 651: continued-1 5-24-91 Other SpeciesSu
Page 654 and 655: Perry, D. 1991. The ecology of coar
Page 656 and 657: 2mandate the achievement of recover
Page 658 and 659: 642
Page 660 and 661: 644
Page 662 and 663: Aspect - the direction a slope face
Page 664 and 665: Congressionally classified and desi
Page 666 and 667: Empirical - derived from direct obs
Page 668 and 669: Hummocky - a landscape characterize
Page 670 and 671: Mixed conifer - as used in this doc
Page 672 and 673: Potential habitat - a stand of tree
Page 674 and 675: Sensitive species - those species t
Page 676 and 677: Take -Uunder the Endangered Species
Page 678: wild, scenic, or recreational by an
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Recovery Plan for the Northern Spotted Owl - DRAFT

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