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Recovery Strategy for the Greater Sage-Grouse (Centrocercus urophasianus urophasianus) in Canada [Proposed] 2007

Appendix B:  Sage-grouse Lek Count Data and Population Estimates in Alberta for 1968-2005.

Year# Leks Checked# Active LeksTotal # Males# Males/LekSpring Popn. Low Est.Spring Popn. High Est.
1968212161329.218392724
1969211955429.216622462
1975201921211.2636942
1976191934718.310411542
1977131328622.08581271
1978141323518.17051044
1979111119818.0594880
1980171648230.114462142
1981161652432.815722329
1983181835819.910741591
1985151420814.9624924
1987131340030.812001778
1989121234428.710321529
1991121124121.97231071
1994228708.8210311
199527121109.2330489
1996121013612.4408604
199731812215.3366542
199831812415.5372551
199931911713.0351520
200031812615.8378560
200132911412.7342507
20023210919.1273404
20033299610.7288427
20043299410.4282418
20053299510.6285422
Data provided by Alberta Sustainable Resource Development.