Lynx Genetic Considerations Michael Schwartz

John Squires

Kevin McKelvey

Kristy Pilgrim

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Lynx Genetic Considerations

1) Mini review of lynx population genetic studies

2) Review of lynx hybridization studies

3) Needed genomic data

Population Genetics of Lynx

Pacific Maritime

Continental

Atlantic Maritime

Stenseth et al. (1999) Suggest Climate Causes Large Scale Cycle Synchrony

The conservation of lynx populations is of greatest concern in the western mountains of the conterminous United States at the southern periphery of the species range. Recruitment is low in this region and many lynx populations.are geographically isolated.

- Koehler and Aubry 1994

Lynx Isolated

We let dispersal between patches be distance-dependent in an exponential fashion and fixed the fraction of migrants leaving each patch each generation. (p.1622 Ranta,Science)

Lynx Connected: Large Scale Spatial Synchrony

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1950 1955 1960 1965 1970 1975 1980 1985

Montana BC/AB +2 yr.

Lynx Trapping Data Suggests Dispersal Common (McKelvey et al. 2000)

r = 0.74

Pro

porti

on o

f Max

imum

# L

ynx

Trap

ped

kmk

0.010.03

0.030.02

0.020.12

0.040.04

0.030.21

0.040.16

0.110.22

0.10.12

0.080.11

0.110.09

0.1150.11

0.10.41

0.20.52

10.83

0.420.98

0.450.59

0.280.41

0.170.13

0.120.11

0.180.22

0.180.16

0.120.3

0.790.6

0.691

0.430.98

0.660.63

0.110.29

0.040.19

0.030.17

0.150.19

0.090.29

0.110.54

0.130.57

0.130.71

0.150.53

0.10.4

0.060.21

0.030.08

0.070.07

0.030.06

&A

Page &P

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19560.110.22

19570.10.12

19580.080.11

19590.110.09

19600.1150.11

19610.10.41

19620.20.52

196310.83

19640.420.98

19650.450.59

19660.280.41

19670.170.13

19680.120.11

19690.180.22

19700.180.16

19710.120.3

19720.790.6

19730.691

19740.430.98

19750.660.63

19760.110.29

19770.040.19

19780.030.17

19790.150.19

19800.090.29

19810.110.54

19820.130.57

19830.130.71

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19860.060.21

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19880.070.07

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Fst - Proportional reduction in heterozygosity due to population subdivision (0-1). - High levels of gene flow drives Fst to 0.

Population Structure and Migration

Fst Results Global Results (17 Populations):

Fst = 0.033 (+/- 0.002).

Fairbanks to Ladue Yukon: 0.001 High Kenai P. to Seeley Montana: 0.070 3.0

Pair-wise Results (Extremes):

Fst / Migrants

Kenai

Seeley Lake

0.0000

0.0100

0.0200

0.0300

0.0400

0.0500

0.0600

0.0700

0.0800

0 500 1000 1500 2000 2500 3000 3500

Distance (km)

Gen

etic

Diff

eren

tiatio

n (F

st)

Distance Does Not Lead To Structuring

Mantel: p = 0.42

LDISTPO2

1110

2123103340

3132830910

4142449735

5152459486

6162980921

7171690908

8182532997

9193010941

101101318181

111111771669

121122150305

13113429,937.00

141142838625

15115634,424.10

161162671995

171172605381

18213103340

19220

2023889,533.20

2124698,614.80

2225763,904.60

2326353,145.00

24271630899

2528654,810.10

2629501,417.70

272101842337

282111332374

29212984,802.60

302132673914

31214432,856.50

322152526813

33216598,416.60

34217727,702.50

35312830910

3632889,533.20

37330

3834643,440.90

3935519,449.80

4036536,938.60

41371794506

4238547,768.20

4339407,431.10

443101801826

453111216811

46312826,842.00

473132428487

48314484,835.00

493152200486

50316422,618.50

51317352,470.30

52412449735

5342698,614.80

5443643,440.90

55440

5645146,191.80

5746533,781.70

58471179450

5948104,416.60

6049594,189.20

614101264320

62411694,025.00

63412299,811.00

644132024521

65414394,863.30

664151852211

67416262,586.80

68417291,048.10

69512459486

7052763,904.60

7153519,449.80

7254146,191.80

73550

7456532,550.80

75571279143

7658112,533.60

7759552,496.80

785101323708

79511739,709.70

80512332,211.30

815132039320

82514389,326.30

835151848753

84516212,861.50

85517174,681.30

86612980921

8762353,145.00

8863536,938.60

8964533,781.70

9065532,550.80

91660

92671656130

9368448,211.20

9469159,921.40

956101789015

966111226995

97612831,256.10

986132556941

99614143,542.80

1006152376958

101616324,507.60

102617433,786.90

103711690908

104721630899

105731794506

106741179450

107751279143

108761656130

109770

110781283864

111791756323

112710421,697.30

113711652,523.80

114712973,404.10

1157131288607

1167141540330

1177151297072

1187161441359

1197171453130

120812532997

12182654,810.10

12283547,768.20

12384104,416.60

12485112,533.60

12586448,211.20

126871283864

127880

12889494,963.00

1298101363476

130811788,187.90

131812385,177.30

1328132109670

133814305,633.10

1348151929188

135816158,607.40

136817198,800.20

137913010941

13892501,417.70

13993407,431.10

14094594,189.20

14195552,496.80

14296159,921.40

143971756323

14498494,963.00

145990

1469101858127

1479111282420

148912876,530.70

1499132591655

150914218,479.50

1519152396563

152916342,452.40

153917411,796.50

1541011318181

1551021842337

1561031801826

1571041264320

1581051323708

1591061789015

160107421,697.30

1611081363476

1621091858127

16310100

1641011586,625.20

1651012991,623.60

1661013898,536.60

16710141656175

1681015877,749.80

16910161519559

17010171494370

1711111771669

1721121332374

1731131216811

174114694,025.00

175115739,709.70

1761161226995

177117652,523.80

178118788,187.90

1791191282420

1801110586,625.20

18111110

1821112407,808.90

18311131342884

18411141088885

18511151201330

1861116940,900.30

1871117908,687.40

1881212150305

189122984,802.60

190123826,842.00

191124299,811.00

192125332,211.30

193126831,256.10

194127973,404.10

195128385,177.30

196129876,530.70

1971210991,623.60

1981211407,808.90

19912120

20012131725719

2011214689,981.90

20212151552901

2031216534,267.30

2041217503,248.30

205131429,937.00

2061322673914

2071332428487

2081342024521

2091352039320

2101362556941

2111371288607

2121382109670

2131392591655

2141310898,536.60

21513111342884

21613121725719

21713130

21813142415209

2191315302,804.10

22013162251206

22113172189214

2221412838625

223142432,856.50

224143484,835.00

225144394,863.30

226145389,326.30

227146143,542.80

2281471540330

229148305,633.10

230149218,479.50

23114101656175

23214111088885

2331412689,981.90

23414132415209

23514140

23614152233653

2371416184,441.10

2381417303,529.90

239151634,424.10

2401522526813

2411532200486

2421541852211

2431551848753

2441562376958

2451571297072

2461581929188

2471592396563

2481510877,749.80

24915111201330

25015121552901

2511513302,804.10

25215142233653

25315150

25415162061574

25515171987403

2561612671995

257162598,416.60

258163422,618.50

259164262,586.80

260165212,861.50

261166324,507.60

2621671441359

263168158,607.40

264169342,452.40

26516101519559

2661611940,900.30

2671612534,267.30

26816132251206

2691614184,441.10

27016152061574

27116160

2721617130,932.30

2731712605381

274172727,702.50

275173352,470.30

276174291,048.10

277175174,681.30

278176433,786.90

2791771453130

280178198,800.20

281179411,796.50

28217101494370

2831711908,687.40

2841712503,248.30

28517132189214

2861714303,529.90

28717151987403

2881716130,932.30

28917170

Sheet1

Pop1Pop2PairKmsFstRand

SLKU131030.0144