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

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154 Thomas, V. G., and Owen, M. 1996. Preventing lead toxicosis of European waterfowl by regulatory and non-regulatory means. Environmental Conservation 23(4):358-364. - Proposals to eliminate the use of lead shot in wetlands has been made under Bonn and Bern Conservations. - Proposal was also made by European Union –USA to reduce the use of different categories of lead under an Organization of Economic Cooperation and Development Council Act, but did not include lead shot. - The passing of European Council regulation has seen the most effective remedy for the trans-boundary toxic problem. - Responsibility to enact and enforce a European Council regulation is the prerogative of each member state, a single regulation would promote consistency of action amongst all states. Thomas. V. G., and M. P. Twiss. 1995. Preventing lead contamination of lakes through international trade regulations. Lake and Reservoir Management 11(2):196. - Lead contamination in Canada’s lakes has been a potential problem for toxicosis in waterfowl and fish-eating birds. - Under the Canadian Environmental Protection Act, Canada has the potential to regulate production and commerce in lead shot and sinkers. - The North American Free Trade Agreement and its environmental adjunct, The North American Agreement on Environmental Cooperation could regulate trade in lead substitutes among parties. - Actions taken by Canada, the USA, and Mexico would promote the security of water-birds habitats on a continental scale. Trainer, D. O., and R. A. Hunt. 1965. Lead poisoning of whistling swans in Wisconsin. Avian Diseases 9(2):252-264. - Mortality of swans due to lead poisoning has been recognized in Wisconsin since 1944. - Wild Swans were collected for necropsy and analysis for lead. - During 1964, more than 200 swans died in Wisconsin. Results (45 birds) established lead poisoning was responsible for the majority of the mortalities. - Number of pellets recovered from the affected birds ranged from 0 to 201 and averaged 50 pellets per bird. Tsuji, L.J.S., E. Nieboer, J.D. Karagatzides, R.M. Hanning, B. Katapatuk. 1999. Lead Shot Contamination in Edible Portions of Game Birds and Its Dietary Implications Ecosystem Health 5 (3):183–192. - Study conducted in the Mushkegowuk region (western James Bay area of northern Ontario, Canada). - Livers of 2% (5/233) of game birds collected showed lead concentrations >0.5 μg/g ww, and 9% (33/371) of the gizzard (striated muscle) tissue samples obtained through harvesting of waterbirds and upland game birds employing lead shot, showed lead levels greater than the Health Canada guideline for fish. - “People who consume any game species harvested with lead shot risk exposure to this metal by way of ingestion of tissue-embedded lead pellets and fragments.” - A ban on the use of lead shot for all game hunting should be considered because of potential human health concerns. Vyas, N.B., J.W. Spann, G.H. Heinz, W.N. Beyer, J.A. Jaquette, and J.M. Mengelkoch. 2000. Lead poisoning of passerines at a trap and skeet range. Environmental Pollution 107 (1):159- 166. - Tested blood and tissue lead levels in ground foraging passerines on woodlands surrounding a trap and skeet range.
155 - Sparrows and juncos sampled at the range had significantly higher lead exposure than those at an uncontaminated site. - Most of the lead shot at the range was found in the top 3 cm of soil, where it is available to wildlife. - Lead measurements in earthworms were between 660-840 ppm. Vyas, N.B., J.W. Spann, and G.H. Heinz. 2001. Lead shot toxicity to passerines. Environmental Pollution 111 (1):135-138. - Evaluated toxicity of a single 7.5 lead shot to passerines. - On a comercial diet no mortalities, but on natural diet, 3 of 10 cowbirds died within 1 day. - All but 1 surviving bird excreted the shot within 1 day, but birds which retained their shot died. - “Despite the short amount of time that shot was retained, songbirds may absorb sufficient lead to compromise their survival.” Wilson, I. D. 1937. An early report of lead poisoning in waterfowl. Science, New Series 86(2236):423. - Lead poisoning in ducks, geese and swans discovered in Back Bay, Virginia, and Currituck Sound, North Carolina. - Analyzed gizzards contained over 100 full sized No. 4 lead shot and partly ground remains.
Page 1 and 2:
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
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 160 and 161: 152 - Although all visible pellets
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
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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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