Current state of knowledge of calving grounds

Amount of information Shifts in location Habitat diversity

?

?

??

?

Amount of Information

50%unknown

20% Analyzed

30%Mapped

Patterns of use

Directional shift Non-directional shiftWAH, TLH, BEV, AHI QMH, TAI

BAH, LRH, GRHPCH

CAH

Calving distribution map from Gunn et al. 2008Bathurst herd, Canada

1982 to 1987

1974 to 1980

1991-1999

2000-2003

2005-2009

2010

George River herd, Canada

Meerdink, S. and Petrov, A. 2012. Taimyr wild reindeer spatial fidelity and calving grounds dynamics in a changing climate. ARCSES working paper 001-2012. University of Northern Iowa, IA

Taimyr wild reindeer. Russia

Habitat diversity

Cumulative growing degree days

WAH TLH CAH PCH CBH BNW BNE BAH AHI BEV QAM LRH GRH KAN AKI ICE TAI LEN YAN SUN CHO0

50

100

150

200

250

1 june 10 june

0.0e+00

5.0e+06

1.0e+07

1.5e+07

2.0e+07

0 1 2 3 4 5 6 7 8 9 10 11 12 13 15Landsat Class

Fre

quency

(Num

ber

of

Pix

els

)

0e+00

1e+08

2e+08

3e+08

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15Landsat Class

Fre

quency

(Num

ber

of

Pix

els

)

Tussock, sedges, shrubs

Wet sedge

Tall shrub

Bedrock lichen Sparse

vegetation

Calving grounds Larger area – similar climate

2 3

0e+00

2e+06

4e+06

6e+06

0 1 2 3 4 5 6 7 8 9 10 11 12 13 15 0 1 2 3 4 5 6 7 8 9 10 11 12 13 15Landsat Class

Num

ber

of

Pix

els

2 3

0e+00

2e+06

4e+06

6e+06

0 1 2 3 4 5 6 7 8 9 10 11 12 13 15 0 1 2 3 4 5 6 7 8 9 10 11 12 13 15Landsat Class

Num

ber

of

Pix

els

Bluenose West Bluenose East