Advances in Meteorology / 2019 / Article / Tab 2

Research Article

Drought Early Warning and the Timing of Range Managers’ Drought Response

Table 2

Factors affecting respondents’ drought response coping actions and timing.

Purchase supplemental feed (y/n)Early graze fall/winter pastures (y/n)Destock (y/n)Cull breeding herd (y/n)Timing—purchasing feedTiming—early grazingTiming—destockingTiming—culling breeding herd

SPEI−2.87 (224)−1.54 (228)−1.55 (224)−2.17 (221)1.52 (112)1.78 (111)−0.31 (97)−1.12 (74)
Observed decreased topsoil moisture (y/n)0.65 (221)2.12 (225)1.59 (222)Omit (210)n/an/an/an/a
Observed delayed/lack of plant emergence (y/n)0.81 (212)1.01 (215)0.42 (213)0.87 (210)n/an/an/an/a
Observed delayed/lack of plant growth (y/n)−0.06 (219)2.19 (223)1.45 (219)−0.05 (217)n/an/an/an/a
Observed deteriorating range conditions (y/n)0.85 (218)3.28 (222)1.96 (217)2.27 (214)n/an/an/an/a
Observed decreased forage productivity (y/n)0.62 (217)1.71 (221)1.13 (219)0.86 (216)n/an/an/an/a
Timing of decreased topsoil moisturen/an/an/an/a0.00 (111)0.00 (110)0.00 (97)−0.00 (72)
Timing of delayed/lack of plant emergencen/an/an/an/a0.00 (109)−0.00 (105)−0.00 (94)−0.00 (71)
Timing of delayed/lack of plant growthn/an/an/an/a0.00 (106)0.00 (109)−0.00 (96)−0.00 (73)
Timing of deteriorating range conditionsn/an/an/an/a0.00 (109)−0.00 (110)−0.00 (96)−0.01 (73)
Timing of decreased forage productivityn/an/an/an/a0.00 (110)−0.00 (108)−0.00 (95)−0.00 (72)
Use/influence on-farm monitoring−0.06 (213)−0.09 (216)0.07 (212)0.14 (210)−0.05 (108)0.33 (107)−0.09 (92)0.01 (68)
Use/influence own assessment of conditions−0.21 (212)0.04 (215)0.07 (211)−0.11 (208)−0.04 (107)−0.13 (108)−0.39 (93)−0.23 (68)
Use/influence local extension0.37 (213)0.04 (216)−0.09 (212)0.15 (209)0.11 (107)0.13 (108)0.06 (92)−0.13 (67)
Use/influence NWS0.25 (214)0.15 (217)0.08 (213)0.09 (210)0.09 (108)0.14 (108)−0.06 (93)−0.11 (68)
Use/influence U.S. drought monitor0.30 (212)0.04 (215)0.24 (211)0.13 (208)0.12 (106)−0.09 (107)0.03 (92)−0.10 (68)
Use/influence USDA resources0.43 (213)0.15 (216)0.16 (212)0.31 (209)−0.09 (107)−0.18 (107)0.09 (93)0.04 (68)
Use/influence TV/radio−0.01 (211)0.09 (214)0.16 (210)0.00 (207)−0.04 (106)0.08 (108)0.10 (93)−0.41 (68)
Purchase supplemental feed (y/n)n/an/an/an/an/a−0.26 (104)0.21 (90)0.58 (70)
Early graze fall/winter pastures (y/n)n/an/an/an/a−0.32 (108)n/a1.17 (92)−0.41 (70)
Destock (y/n)n/an/an/an/a−0.19 (104)−0.12 (103)n/a−0.33 (70)
Cull breeding herd (y/n)n/an/an/an/a−0.039 (106)−0.35 (104)−0.17 (89)n/a

Reporting coefficients listed in log-odds units, significance of test that coefficient is different from 0, and (n). For SPEI, the coefficient is determined without other covariates. For other predictors, coefficients are determined when controlling for SPEI. Data sources: 2016 survey, SPEI (droughtatlas.unl.edu). ; .

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