Table 4. (A) CPUE data in linear mixed-effects models with harvesting strategy and fishing method as fixed factors, region and fishing grounds as random factors (B) Separate models for each fishing method.
(A) Full model | ||||||
df | F-value | p-value | ||||
(Intercept) | 1 | 156.13 | <0.001 | *** | ||
Harvesting strategy | 1 | 9.93 | 0.002 | ** | ||
Fishing method | 2 | 18.13 | <0.001 | *** | ||
Harvesting strategy x Fishing method | 2 | 3.03 | 0.049 | * | ||
(B) Fishing methods analysed separately | ||||||
Gleaning | Value | Std.Error | df | t-value | p-value | |
(Intercept) | 1.00 | 0.06 | 91 | 17.6 | <0.001 | *** |
Harvesting strategy | 0.32 | 0.12 | 91 | 2.7 | 0.007 | ** |
Line-fishing | Value | Std.Error | df | t-value | p-value | |
(Intercept) | 0.84 | 0.04 | 160 | 22.7 | <0.001 | *** |
mgt.broad | −0.01 | 0.09 | 160 | −0.1 | 0.923 | |
Spearing | Value | Std.Error | df | t-value | p-value | |
(Intercept) | 1.01 | 0.13 | 167 | 7.5 | <0.001 | *** |
mgt.broad | 0.13 | 0.12 | 167 | 1.1 | 0.254 |