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

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152 - Although all visible pellets were removed, radiographs showed embedded fragments of lead. - Embedded fragments of lead from shot are a potential source of dietary lead exposure for predators, and human consumers of wild game. - Also notes that ~20% of free-living waterfowl carry lead shot in tissues from non-lethal or crippling shots. - Recommend the use of non-toxic shot for hunting. Scheuhammer, A. M., C. A. Rogers, and D. Bond. 1999. Elevated lead exposure in American woodcock (Scolopax minor) in eastern Canada. Archives of Environmental Contamination and Toxicology 36:334-340. - Wing bones collected from 1,588 woodcock in Canada. - A high proportion of woodcock had elevated lead concentrations, compared to other wild bird species. - 52% adults and 29% young of yr. had concentrations >20.7g/g. - American woodcock feeding habits are consistent with the occasional ingestion of lead shot, and ingestion of contaminated soil may be an important source of lead exposure. - Concentrations of lead varied significantly by gender, age, and geographic region. Schulz, J.H., P.I. Padding, and J.J. Millspaugh. 2006. Will mourning dove crippling rates increase with nontoxic-shot regulations? Wildlife Society Bulletin 34(3):861-865. - Evaluated crippling rates in waterfowl prior to, during, and after implementation of nontoxic-shot regulations in the U.S. - Prenontoxic-shot period crippling rates for ducks were lower than the 5 yr phase in period rates, but higher than non-toxic shot crippling rates. - In geese, prenontoxic-shot period crippling rates and 5 yr phase in period rates were both greater than nontoxic-shot crippling rates, but did not differ significantly. - Decline in crippling rate that followed full implementation of the nontoxic-shot regulation is of ultimate importance when considering the impacts of lead shot restrictions for mourning doves. - Long-term mourning dove crippling rates might not increase as evidenced from historical waterfowl data. Sileo, L., R. N. Jones, and R. C. Hatch. 1973. The effect of ingested lead shot on the electrocardiogram of Canada geese. Avian Diseases 17(2):308-313. - Lab experiment: 5 geese dosed with 15 No. 6 lead shot, also fed corn along with commercial food (to enhance toxicity of the lead). - Electrocardiograms and body weights were recorded daily until poisoned geese died, then necropsies were done. - All dosed geese lost 25 to 45% of their initial body weight and died 11-45 days after ingesting lead. Spahn, S.A. and T.W. Sherry. 1999. Cadmium and Lead Exposure Associated with Reduced Growth Rates, Poorer Fledging Success of Little Blue Heron Chicks (Egretta caerulea) in South Louisiana Wetlands. Archives of Environmental Contamination and Toxicology 37(3):377-384. - Cadmium and lead were detected in food samples, guano, and feathers of little blue heron chicks in contaminated wetlands. - Exposure to lead was correlated with increased nestling mortality. Stendell, R. C., R. I. Smith, K. P. Burnham, and R. E. Christensen. 1979. Exposure of waterfowl to lead: a nationwide survey of residues in wing bones of seven species, 1972-73. US Government Printing Office 1802-M/7. - Wing bones were collected from seven species of waterfowl from 3 flyways and analyzed for lead.
153 - 4,190 duck wing bones were collected in 1972, 1973 reflecting lead residues ranging from trace amounts (
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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
Page 110 and 111: 102 Battaglia, A., S. Ghidini, G. C
Page 112 and 113: 104 Friend, M. and J.C. Franson (ed
Page 114 and 115: 106 Lemay, A., P. McNicholl, and R.
Page 116 and 117: 108 Pain, D.J., I. Carter, A.W. Sai
Page 118 and 119: 110 Tsuji, L.S., & N. Nieboer. 1997
Page 120 and 121: SPECIES SCIENTIFIC NAME REFERENCE L
Page 122 and 123: SPECIES SCIENTIFIC NAME REFERENCE L
Page 124 and 125: NONTOXIC AND LEAD SHOT LITERATURE R
Page 126 and 127: Brown, C.S., J.Luebbert, D. Mulcahy
Page 128 and 129: CWS (Canadian Wildlife Service). 19
Page 130 and 131: European Commission Enterprise Dire
Page 132 and 133: 124 Haldimann, M., A. Baumgartner,
Page 134 and 135: Johansen, P., G. Asmund, and F. Rig
Page 136 and 137: Lance, V.A., T.R. Horn, R.M. Elsey
Page 138 and 139: Mateo, R., M. Rodríguez-de la Cruz
Page 140 and 141: Ochiai, K., T. Kimura, K. Uematsu,
Page 142 and 143: Rocke, T. E., C. J. Brand, and J. G
Page 144 and 145: Sleet, R. B., and J. H. Soares, Jr.
Page 146 and 147: USEPA (United States Environmental
Page 148 and 149: 140 - Reviews the international env
Page 150 and 151: 142 - Summarizes current scientific
Page 152 and 153: 144 Cummings School of Veterinary M
Page 154 and 155: 146 - Lead poisoning of wildlife oc
Page 156 and 157: Lance, V.A., T.R. Horn, R.M. Elsey
Page 158 and 159: 150 Michigan Department of Natural
Page 162 and 163: 154 Thomas, V. G., and Owen, M. 199
Page 164 and 165: SUPPORT FOR, ATTITUDES TOWARD, AND
Page 166 and 167: Statewide Estimates The study sampl
Page 168 and 169: Table 1: Response rates for each ma
Page 170 and 171: Table 7: Mean beliefs about and eva
Page 172 and 173: Protecting wildlife from lead poiso
Page 174 and 175: The southern portion of Minnesota i
Page 176 and 177: Although our domestic sheep weighed
Page 178 and 179: 1 I 'T 'l 170 Figure 1. General loc
Page 180 and 181: 172 Small Game Hunter Lead Shot Stu
Page 182 and 183: Executive Summary The purpose of th
Page 184 and 185: Table S-1: Gauge of shotgun used mo
Page 186 and 187: 7 6 5 4 3 2 1 Support for/Oppositio
Page 188 and 189: 7 6 5 4 3 2 1 Figure S-8: Concern a
Page 190 and 191: Conclusions 182 These survey result
Page 192 and 193: 184 Small Game Hunter Lead Shot Stu
Page 194 and 195: Acknowledgements This study was a c
Page 196 and 197: Introduction Study Purpose and Obje
Page 198 and 199: Bohrnstedt and Mee, 2002, p. 414).
Page 200 and 201: Section 1: Small Game Hunting Activ
Page 202 and 203: Table 1-1: Proportion of respondent
Page 204 and 205: Table 1-7: How often do you hunt wi
Page 206 and 207: Table 1-13: Involvement in small ga
Page 208 and 209: Table 1-19: Involvement in small ga
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Table 1-25: 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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undulating plains with deep glacial
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433 If conditions in the Laurentian
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435 carbon pool and should not be o
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Animal species associated with mesi
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increase the primary productivity o
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Warmer, drier conditions could excl
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443 hydroperiods for temporary wetl
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The Minnesota Department of Natural
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taken to manage the unavoidable imp
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• Dedicate 1 new FTE position at
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contributions to shallow lake eutro
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Busby, W. H., and W. R. Brecheisen.
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III to the Fourth Assessment Report
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MNDNR. 2005b. Field guide to the na
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Poiani, K. A., W. C. Johnson, and T
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Westcott, P. C. 2007. U.S. ethanol
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463 Northern Southern Eastern Weste
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Scientific Name Common Name LMF Pro
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Horned grebe Podiceps auritus Louis
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MINNESOTA’S RING-NECKED DUCK BREE
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Estimated Pair Density Mean pair de
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LITERATURE CITED 473 SAS. 1999. SAS
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Table 2. Sampling rates by Ecologic
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Table 4. Estimated indicated breedi
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479
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# # # # # # # # # # # # # # # # # #
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MOVEMENTS, SURVIVAL, AND REFUGE USE
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prior to hunting season were simila
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Figure 1. Ring-necked duck study ar
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INFLUENCE OF FISH, AGRICULTURE, AND
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Mechanisms structuring characterist
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Chemical Properties and Water Quali
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Submerged Aquatic Plants Submerged
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At a broad scale, wetland and shall
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Table 1. Relative abundance (mean w
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Number of Fish 35 30 25 20 15 10 5
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Total # Captured a) 50 40 30 20 10
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Relative Units 9 8 7 6 5 4 3 2 1 a)
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THRESHOLDS AND STABILITY OF ALTERNA
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MANAGEMENT-FOCUSED RESEARCH NEEDS O
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Table 1. Survey questions for wetla
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VARIANCE OF STRATIFIED SURVEY ESTIM
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EXPLORING MIGRATION DATA USING INTE
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Forest Research Group Publications
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Roy Nielsen, C., and C. K. Nielsen.
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