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Research, Policy and Practice

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Table 1 Ordinary least squares (OLS) multiple linear regressions of varit and calf carcass weights for mainland districts

From: Productivity beyond density: A critique of management models for reindeer pastoralism in Norway

  Calf Varit
E SE P E SE P
Intercept 18.5290169 0.8199378 < 2e−16*** 25.344684 1.866067 < 2e−16***
Density − 0.1588639 0.0191705 4.01e−15*** − 0.320338 0.036857 3.77e−15***
GDD May 0.0308272 0.0063496 1.95e−06*** 0.019079 0.012322 0.12348
GDD June − 0.0079061 0.0037241 0.0346 * − 0.020019 0.006879 0.00412**
GDD July 0.0034387 0.0026601 0.1971 − 0.002109 0.005337 0.69331
GDD Aug − 0.0004823 0.0028245 0.8645 0.010229 0.004932 0.03965*
Precip. May 0.0010688 0.0098873 0.9140 0.047782 0.017530 0.00712**
Precip. June − 0.0374231 0.0060198 1.71e−09*** − 0.053464 0.009845 2.02e−07***
Precip. July 0.0191154 0.0044997 2.88e−05*** 0.035462 0.007439 4.13e−06***
Precip. Aug − 0.0010057 0.0036399 0.7825 0.032193 0.007470 2.83e−05***
  R2 = 0.2988
N = 314
R2 = 0.4928
N = 178
  1. Significance levels: *< 0.05; **< 0.01; ***< 0.001. (Data source: Norwegian Meteorological Institute)