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. 2018 Apr 16;8:6018. doi: 10.1038/s41598-018-24510-z

Table 3.

Initial measurements (mean ± standard deviation) from the 2003 survey year and results of linear regression analysis of variables found to have a significant relationship with Combined Juvenile Bull Shark CPUE over Year, grouped by month.

Month Temperature (°C) Salinity (ppt)
May 2003 Mean ± SD 22.34 ± 1.68 10.28 ± 3.40
Estimate 0.08 ± 0.02 0.04 ± 0.07
p <0.001 0.522
r2 0.013 0.0004
June 2003 Mean ± SD 26.76 ± 2.27 9.77 ± 4.95
Estimate 0.06 ± 0.02 −0.07 ± 0.06
p <0.001 0.297
r2 0.013 0.001
July 2003 Mean ± SD 28.93 ± 1.33 7.90 ± 5.91
Estimate 0.03 ± 0.01 0.07 ± 0.06
p 0.022 0.26
r2 0.005 0.0003
August 2003 Mean ± SD 28.67 ± 1.27 6.64 ± 5.87
Estimate −0.01 ± 0.01 0.32 ± 0.06
p 0.956 <0.001
r2 0.001 0.031
September 2003 Mean ± SD 25.99 ± 2.33 9.00 ± 5.68
Estimate 0.05 ± 0.02 0.17 ± 0.06
p 0.006 0.008
r2 0.007 0.007