Annual index results for Saskatchewan (Boreal Taiga Plains (BCR 6))

Note: the range of the vertical axis has been scaled to highlight pattern in the annual indices. If estimates are imprecise, the graph may not include the upper credible limits.

View definitions of the annual index table columns.

Annual indices for Bobolink in Saskatchewan (Boreal Taiga Plains (BCR 6))

Year	Annual index	Lower limit	Upper limit
1970	1.63	0.000426	12.8
1971	1.5	0.000617	11.6
1972	2.87	0.282	9.67
1973	0.202	0.00436	0.692
1974	1.78	0.129	5.3
1975	1.3	0.174	3.44
1976	2.58	0.168	8.74
1977	0.794	0.0661	2.23
1978	0.253	0.0208	0.696
1979	1.95	0.391	4.63
1980	0.134	0.000174	0.478
1981	0.283	0.00746	0.842
1982	0.723	0.136	1.77
1983	2.21	0.582	4.9
1984	0.491	0.0588	1.22
1985	0.201	0.0278	0.525
1986	0.0818	0.00015	0.296
1987	0.0954	0.000307	0.371
1988	0.65	0.0898	1.67
1989	0.391	0.0257	1.26
1990	0.0578	0.000498	0.236
1991	0.102	0.0049	0.304
1992	0.388	0.0487	0.949
1993	0.0507	9.37E-05	0.199
1994	0.0356	8.88E-05	0.141
1995	0.0351	0.000103	0.136
1996	0.0363	0.000242	0.152
1997	0.496	0.0842	1.2
1998	0.0243	0.000162	0.0952
1999	0.0195	0.000126	0.0688
2000	0.0945	0.0049	0.26
2001	0.0212	0.000167	0.0856
2002	0.0213	0.00014	0.0849
2003	0.0221	0.000124	0.09
2004	0.0205	0.000287	0.0864
2005	0.0207	9.11E-05	0.0849
2006	0.0254	8.64E-05	0.106
2007	0.0239	8.51E-05	0.102
2008	0.0675	0.0051	0.172
2009	0.0289	2.72E-05	0.131
2010	0.074	0.00243	0.263
2011	0.0291	3.58E-05	0.124
2012	0.0335	0.000213	0.139
2013	0.036	0.000109	0.155
2014	0.0369	3.29E-05	0.148
2015	0.0987	0.003	0.363
2016	0.45	0.0345	1.42
2017	0.0946	0.000882	0.341
2018	0.0668	0.000253	0.367
2019	0.0752	5.62E-05	0.459
2020	0.0979	0.000103	0.731
2021	0.533	0.0448	1.73

Geographic area included in the Long-term trend for the Bobolink

      Coloured = Regions (analytical strata) included in trend estimate. The colour of the region reflects the approximate population trend in the region. The categories of trends based on the %/year values are indicated in the legend on the right, and the specific values can be found by searching on the analytical stratum trends for the same time-period and species.

      White = Regions not included in trend estimate

Bird Conservation Regions (BCR) with data included in Long-term trend estimates for Saskatchewan (Boreal Taiga Plains (BCR 6))

• Saskatchewan (Boreal Taiga Plains (BCR 6))

This web site may be cited as: Smith, A.C., Hudson, M-A.R. Aponte, V.I., English, W.B., and Francis, C.M. 2023. North American Breeding Bird Survey - Canadian Trends Website, Data-version 2021. Environment and Climate Change Canada, Gatineau, Quebec, K1A 0H3

Any use of these BBS results for Canada should acknowledge the hundreds of skilled volunteers in Canada who have participated in the BBS over the years and those who have served as provincial or territorial coordinators for the BBS.

1. Smith, A. C., & Edwards, B. P. M. (2020). North American Breeding Bird Survey status and trend estimates to inform a wide range of conservation needs, using a flexible Bayesian hierarchical generalized additive model. The Condor, duaa065. https://doi.org/10.1093/ornithapp/duaa065