2007 Summaries of Wildlife Research Findings - Minnesota State ...

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MOVEMENTS, SURVIVAL, AND REFUGE USE BY LOCALLY PRODUCED POST- FLEDGING RING-NECKED DUCKS IN MINNESOTA Charlotte Roy, David Rave, Wayne Brininger 1 , and Michelle McDowell 2 SUMMARY OF FINDINGS The Wetland Wildlife Populations and Research Group of the Minnesota Department of Natural Resources (MNDNR) initiated a study in 2006 to examine the use and survival benefits of waterfowl refuges to locally produced ring-necked ducks (Aythya collaris). The fall of 2007 was the 2 nd year of this 4-year study. During 2007, we successfully captured and implanted 52 ring-necked ducks with radio-transmitters before fledging. Ducks were tracked weekly by aircraft and from telemetry receiving stations on 14 waterfowl refuges. Locally produced ringnecked ducks used state and federal waterfowl refuges, but use was not evenly distributed among refuges; 4 refuges received the majority of use and 7 refuges were never used by marked birds. Refuge use also increased markedly during hunting season. Additional data collection in 2008 and 2009 will be aimed at addressing survival benefits of refuge use to young birds. INTRODUCTION The MNDNR Fall Use Plan recognized sizable populations of resident breeding ducks as a cornerstone to improving fall duck use. Although breeding ring-necked duck populations have been increasing continentally, they appear to be declining in Minnesota (Zicus et al. 2005). Further, hunter harvest of ring-necked ducks has declined in the last 20 years in Minnesota even as numbers of these birds staging in fall on most traditional ring-necked duck refuges (Federal and State) have increased in the state (Wetland Wildlife Populations and Research Group, unpublished data). Factors influencing resident populations of ring-necked ducks are poorly understood, and efforts to better understand their status began in 2003 with development of a breeding-pair survey. Minnesota’s Fall Use Plan identified the need to better understand the role of refuges in duck management. The influence of north-central Minnesota refuges on the distribution and welfare of resident ring-necked ducks is unknown, as well as the influence that the distribution of the resident population might have on that of migrant ring-necked ducks staging in the fall. Post-fledging ecology of many waterfowl species has not been documented, and this study provides information for an important Minnesota species. The intent of this project is to determine whether refuges benefit locally produced ringnecked ducks and increase survival. Understanding movements and refuge use by locally raised ring-necked ducks in the fall may provide valuable insights into the distribution of refuges required to meet management objectives for ring-necked ducks in Minnesota. OBJECTIVES 480 1. Characterize post-fledging movements of local ring-necked ducks prior to their fall departure. 2. Estimate survival of locally raised birds during this period. 3. Relate the survival of locally raised birds to their relative use of or proximity to established refuges (federal and state) in north-central Minnesota. 1 U.S. Fish and Wildlife Service, Tamarac National Wildlife Refuge, Rochert, MN 2 U.S. Fish and Wildlife Service, Rice Lake National Wildlife Refuge, McGregor, MN
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Summaries of Wildlife Research Find
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September 2008 State of Minnesota,
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The value of farm programs for prov
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Understanding variations in autumn
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MANAGING BOVINE TUBERCULOSIS IN WHI
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3 the lungs or chest cavity that we
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" Winter 2007 Deer Removal Location
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METHODS The MNDNR planned to sample
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Table 1. Bird species sampled for h
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Table 2 continued. Northern Pintail
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Blood was centrifuged and serum was
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Liver and Lung Culture A total of 1
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Positive results indicate exposure
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ESTIMATING WHITE-TAILED DEER ABUNDA
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or 2 quadrats. As a result, associa
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Table 1. Deer population and densit
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OBJECTIVE • To estimate density a
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35 Figure 1. Locations of trail cam
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EA hunters, identified in MNDNR 200
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percentage of EA hunters harvesting
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Deer harvested per 100 hunters 60 5
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FACTORS AFFECTING POPULATION INDICE
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following the first listening perio
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Table 1. Pheasant crowing and roads
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Index (males/stop) 4.00 3.00 2.00 1
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feeders (52%), depredation in cattl
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Table 3. Response for question 3: S
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Table 7. Responses for question 7:
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Table 10. Responses for question 10
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4. Do you need more information on
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EVIDENCE OF WILD TURKEYS IN MINNESO
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the upper valleys of the Mississipp
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68 Hoy, P. R. 1882. The larger wild
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71 songbirds, lagomorphs, rodents,
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73 (Cleary 1994). The first method
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Function #7: Public Relations with
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77 Evrard, J.O. 2000. Overwinter fo
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79 Murphy, R.K., N.F. Payne and R.K
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METHODS 81 We selected 36 study are
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Hens were relatively abundant durin
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85 Gabbert, A. E., A. P. Leif, J. R
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Table 3. Pheasant population indice
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Pheasants/100 Miles Pheasants/100 M
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RESULTS Thirty-six respondents comp
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Table 1. Mean rank (1 most importan
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EVIDENCE OF LEAD SHOT PROBLEMS FOR
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Wildlife Species Ingesting Lead Sho
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Michigan Department of Environmenta
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102 Battaglia, A., S. Ghidini, G. C
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104 Friend, M. and J.C. Franson (ed
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106 Lemay, A., P. McNicholl, and R.
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108 Pain, D.J., I. Carter, A.W. Sai
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110 Tsuji, L.S., & N. Nieboer. 1997
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SPECIES SCIENTIFIC NAME REFERENCE L
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SPECIES SCIENTIFIC NAME REFERENCE L
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NONTOXIC AND LEAD SHOT LITERATURE R
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Brown, C.S., J.Luebbert, D. Mulcahy
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CWS (Canadian Wildlife Service). 19
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European Commission Enterprise Dire
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124 Haldimann, M., A. Baumgartner,
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Johansen, P., G. Asmund, and F. Rig
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Lance, V.A., T.R. Horn, R.M. Elsey
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Mateo, R., M. Rodríguez-de la Cruz
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Ochiai, K., T. Kimura, K. Uematsu,
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Rocke, T. E., C. J. Brand, and J. G
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Sleet, R. B., and J. H. Soares, Jr.
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USEPA (United States Environmental
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140 - Reviews the international env
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142 - Summarizes current scientific
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144 Cummings School of Veterinary M
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146 - Lead poisoning of wildlife oc
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Lance, V.A., T.R. Horn, R.M. Elsey
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150 Michigan Department of Natural
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152 - Although all visible pellets
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154 Thomas, V. G., and Owen, M. 199
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SUPPORT FOR, ATTITUDES TOWARD, AND
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Statewide Estimates The study sampl
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Table 1: Response rates for each ma
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Table 7: Mean beliefs about and eva
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Protecting wildlife from lead poiso
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The southern portion of Minnesota i
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Although our domestic sheep weighed
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1 I 'T 'l 170 Figure 1. General loc
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172 Small Game Hunter Lead Shot Stu
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Executive Summary The purpose of th
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Table S-1: Gauge of shotgun used mo
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7 6 5 4 3 2 1 Support for/Oppositio
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7 6 5 4 3 2 1 Figure S-8: Concern a
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Conclusions 182 These survey result
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184 Small Game Hunter Lead Shot Stu
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Acknowledgements This study was a c
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Introduction Study Purpose and Obje
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Bohrnstedt and Mee, 2002, p. 414).
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Section 1: Small Game Hunting Activ
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Table 1-1: Proportion of respondent
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Table 1-7: How often do you hunt wi
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Table 1-13: Involvement in small ga
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Table 1-29: Involvement With and Co
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Section 2: Shotgun and Shot Prefere
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Table 2-4: Gauge of shotgun used mo
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Table 2-10: Type of shot used most
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Table 2-16: Number of boxes of shel
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Table 2-22: Number of boxes of shel
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Section 3: Beliefs, Attitudes, and
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218 Respondents were asked to indic
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Table 3-4: Beliefs about using lead
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Table 3-10: Beliefs about using lea
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Table 3-16: Likelihood that banning
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Table 3-22: Likelihood that banning
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Table 3-28: How good or bad is the
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Table 3-34: How good or bad is the
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Table 3-40: Belief about whether MY
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Table 3-46: Belief about whether TH
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Table 3-52: I want to do what DUCKS
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Section 4: Trust in the Minnesota D
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Media Resources Table 4-4: Trust in
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Media Resources Table 4-10: Trust a
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Media Resources Table 4-16: Trust a
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Section 5: Environmental Values Env
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Table 5-5: Environmental values: Th
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Table 5-13: Environmental values: H
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Table 5-19: I am concerned about en
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References Cited Dillman, D. (2000)
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Appendix A: Survey Instrument Small
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Q4. How many boxes of shells (25 to
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Nationwide there is concern about t
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Q16. Next we would like to know how
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Q18. Next we would like to know how
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Q 21. People are generally concerne
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268 Small Game Hunter Lead Shot Com
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Acknowledgements 270 This study was
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Nationwide there is concern about t
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Figure S-2: Perceived narrative qua
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Figure S-5: Agreement with message
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Figure S-9: Importance of self-dire
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Conclusions 280 Our results suggest
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282 Small Game Hunter Lead Shot Com
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Acknowledgements 284 This study was
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Introduction Study Purpose and Obje
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Games-Howell post-hoc test over oth
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Section 1: Message Quality Responde
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Section 1: Message Quality Table 1-
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Section 1: Message Quality Figure 1
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Section 2: Factual Versus Narrative
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Section 2: Factual Versus Narrative
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Section 3: Message Involvement Tabl
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Section 3: Message Involvement Tabl
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Section 4: Message Evaluation Table
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Section 4: Message Evaluation Table
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Section 5: Agreement With Message R
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Section 6: Values Table 6-1: How im
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324 Section 7: Background Informati
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Section 7: Background Information T
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Section 8: Model Development Based
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References Cited Areni, C. S. (2003
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Appendix C: Treatment Messages Cont
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Appendix C: Treatment Messages Trea
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Appendix C: Treatment Messages 336
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Appendix D: Survey Instrument Q1. P
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Appendix D: Survey Instrument Q5. W
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Appendix D: Survey Instrument BACKG
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Appendix D: Survey Instrument Thank
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MOOSE POPULATION DYNAMICS IN NORTHE
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aerial survey. Manuscripts discussi
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The complete HCP describes in some
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Table 1. Incidents of Canada lynx t
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ECOLOGY AND POPULATION DYNAMICS OF
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Trapping We trapped in the NW study
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Table 1. Causes of mortality of rad
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Table 5. Black bear cubs examined i
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Bone growth and weight gain were de
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FISHER AND MARTEN DEMOGRAPHY AND HA
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(fisher: 30 mg/kg ketamine and 3 mg
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We also deployed a Reconyx PC85 rem
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372 Olson, C. 2006. 2005 small mamm
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Figure 1. Fisher and marten study a
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may benefit management programs for
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378 area that were accessible by pu
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Table 1. A priori models for explai
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Table 3. Parameter estimates averag
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Probability of occupancy 1.0 0.8 0.
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IDENTIFYING PLOTS FOR SURVEYS OF SH
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ASSESSING THE RELATIONSHIP OF CONIF
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preliminary descriptions of seasona
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head/neck position on collar perfor
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395 White-tailed deer ecology and m
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Number of missed locations 45 40 35
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MANAGEMENT-FOCUSED RESEARCH NEEDS O
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egions ranked forest stand improvem
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Table 2. Forest management activiti
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Table 3. Forest management activiti
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Table 3 continued. 407 Fire break d
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Appendix 1. Survey of management-fo
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Percent agreed needs evaluation (%)
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TABLE OF CONTENTS 413 EXECUTIVE SUM
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415 remain intact. New biological c
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1. INTRODUCTION The most comprehens
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• melting sea ice reduces the Ear
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• With precipitation concentrated
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oomers begin to pass their 85 th bi
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3. EFFECTS OF CLIMATE CHANGE ON LAN
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Currie (2001) and Hansen et al. (20
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Prairie Parkland (Figure 1, MNDNR 2
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Page 441 and 442: 433 If conditions in the Laurentian
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Page 447 and 448: increase the primary productivity o
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Page 451 and 452: 443 hydroperiods for temporary wetl
Page 453 and 454: The Minnesota Department of Natural
Page 455 and 456: taken to manage the unavoidable imp
Page 457 and 458: • Dedicate 1 new FTE position at
Page 459 and 460: contributions to shallow lake eutro
Page 461 and 462: Busby, W. H., and W. R. Brecheisen.
Page 463 and 464: III to the Fourth Assessment Report
Page 465 and 466: MNDNR. 2005b. Field guide to the na
Page 467 and 468: Poiani, K. A., W. C. Johnson, and T
Page 469 and 470: Westcott, P. C. 2007. U.S. ethanol
Page 471 and 472: 463 Northern Southern Eastern Weste
Page 473 and 474: Scientific Name Common Name LMF Pro
Page 475 and 476: Horned grebe Podiceps auritus Louis
Page 477 and 478: MINNESOTA’S RING-NECKED DUCK BREE
Page 479 and 480: Estimated Pair Density Mean pair de
Page 481 and 482: LITERATURE CITED 473 SAS. 1999. SAS
Page 483 and 484: Table 2. Sampling rates by Ecologic
Page 485 and 486: Table 4. Estimated indicated breedi
Page 487 and 488: 479
Page 489: # # # # # # # # # # # # # # # # # #
Page 493 and 494: prior to hunting season were simila
Page 495 and 496: Figure 1. Ring-necked duck study ar
Page 497 and 498: INFLUENCE OF FISH, AGRICULTURE, AND
Page 499 and 500: Mechanisms structuring characterist
Page 501 and 502: Chemical Properties and Water Quali
Page 503 and 504: Submerged Aquatic Plants Submerged
Page 505 and 506: At a broad scale, wetland and shall
Page 507 and 508: Table 1. Relative abundance (mean w
Page 509 and 510: Number of Fish 35 30 25 20 15 10 5
Page 511 and 512: Total # Captured a) 50 40 30 20 10
Page 513 and 514: Relative Units 9 8 7 6 5 4 3 2 1 a)
Page 515 and 516: THRESHOLDS AND STABILITY OF ALTERNA
Page 517 and 518: MANAGEMENT-FOCUSED RESEARCH NEEDS O
Page 519 and 520: Table 1. Survey questions for wetla
Page 521 and 522: VARIANCE OF STRATIFIED SURVEY ESTIM
Page 523 and 524: EXPLORING MIGRATION DATA USING INTE
Page 525 and 526: Forest Research Group Publications
Page 527: Roy Nielsen, C., and C. K. Nielsen.
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