Northern Prawn Fishery Data Summary 2012



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Keerweer


Banana prawn catches in the Keerweer region increased from 230 t in 2011 to 286 t in 2012. Catches of tiger and endeavor prawns were both <1 t in 2012, as in 2011 (Figure 17). Banana prawns comprised 100% of the catch in 2012 (Figure 18a).
Effort in the banana prawn fishery increased from 82 days in 2011 to 135 days in 2012 (Figure 19a). CPUE for banana prawns decreased from 2.81 t per day in 2011 to 2.12 t per day in 2012 (Figure 19b). Nominal and effective CPUE of tiger prawns decreased from 0.174 t and 0.072 t per day in 2011 to 0.102 and 0.040 in 2012, respectively (Figure 19c).



Figure 17: Catch by species in the Keerweer area between 1995 and 2012.



a)

b)



Figure 18: (a) Percentage catch of prawn species in the Keerweer area during 2012 and (b) percentage catch of prawn species in the Keerweer area from 1995 to 2012.


Figure 19a: Effort for the banana and tiger prawn fisheries in the Keerweer area between 1995 and 2012.


Figure 19b: Catch rate for the banana prawn fishery in the Keerweer area between 1994 and 2012.


Figure 19c: Nominal and effective catch rate for the tiger prawn fishery in the Keerweer area between 1995 and 2012.


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