Locust Displacing Winds in Eastern Australia Reassessed with Observations from an Insect

Locust Displacing Winds in Eastern Australia Reassessed with Observations from an Insect

<p> Locust displacing winds in eastern Australia reassessed with observations from an Insect Monitoring Radar</p><p>Zhenhua Hao1*, V. Alistair Drake2, Leesa Sidhu1 and John R. Taylor1</p><p>1School of Physical, Environmental and Mathematical Sciences</p><p>UNSW Canberra, 2612, Australia. </p><p>2School of Physical, Environmental and Mathematical Sciences</p><p>UNSW Canberra 2612 and Institute for Applied Ecology, University of Canberra, Canberra 2601, Australia.</p><p>*E-mail: [email protected] Phone: +61 414989987, Fax: +61 (2) 6268 8786</p><p>Fig. S1 Seven-year mean November, January and March wind-direction distributions at 990 m and 395 m AGL at 21:00 AEST for nights that were suitable for MP5+ nights. The figures at the top-right corner show the number of such nights for each month. The black lines indicate the average resultant vector length R for all distributions. Equal-area plots; rings represent 10, 20, and 30 nights. Outer ring represents R = 1. Table S1 Comparison of MP5+ predictions and MA and DM occurrences using contingency tests at 21:00 AEST at 395 m and 990 m AGL. </p><p>MA DM 395m 990 m 395 m 990 m Nov. Jan. Mar. Nov. Jan. Mar. Nov. Jan. Mar. Nov. Jan. Mar. Prediction based on MP5+ criteria + + 13 24 18 7 8 5 10 12 9 4 5 4 − + 41 54 91 13 18 38 29 32 67 11 14 27 + − 26 33 14 32 49 27 29 45 23 35 52 28 − − 100 69 85 128 105 138 112 91 109 130 109 149 total 180 180 208 180 180 208 180 180 208 180 180 208 p 0.61 0.82 0.64 0.12 0.92 0.44 0.50 0.47 0.28 0.74 0.60 0.79 Note: Each row shows the number of nights in each contingency category: MP+ and MA+ (++), MP− and MA+</p><p>(− +), MP+ and MA‒ (+ −), and MP− and MA‒ (− −). The p values are for the chi-squared contingency tests and Fisher’s exact test when the cell values are < 5. Table S2 Comparison of MP3+ and MP5+ predictions and strong migration occurrence at 21:00 AEST at 395m and 990m.</p><p>990m 395m Nov. Jan. Mar. Nov. Jan. Mar. total 180 180 208 180 180 208 Prediction based on MP3+ criterion + + 5 4 10 10 13 26 − + 2 2 2 10 2 11 + − 92 132 105 87 123 89 − − 81 42 91 73 42 82 p 0.45 0.64 0.07 0.71 0.37 0.04* Prediction based on MP5+ criterion + + 2 2 2 5 5 6 − + 5 4 10 15 10 31 + − 37 55 30 34 52 26 − − 136 119 166 126 113 145 p 0.64 1 1 0.70 0.88 0.88 Note: N represents the number of nights for migration occasions. Each row shows the number of nights in each contingency category: MP+ and MA+ (++), MP‒ and MA+ (− +), MP+ and MA‒ (+ −), and MP‒ and MA‒ (− −). The p values are for the chi-squared contingency tests and Fisher’s exact test when the cell values are < 5.</p>

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