Northern Prawn Fishery Data Summary 2012



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Groote


Banana prawn catches in the Groote area decreased from 264 t in 2011 to 44 t in 2012. Catches of tiger prawns increased from 191 t in 2011 to 287 t in 2012. Endeavour prawn catches decreased from 103 t in 2011 to 95 t in 2012 (Figure 38). In 2012, prawn catch comprised of 67% tiger prawns, 11% banana prawns and 22% endeavour prawns (Figure 39).
Effort in the banana fishery decreased from 380 days in 2011 to 51 in 2012 (Figure 40a). CPUE of banana prawns increased from 0.759 t per day in 2011 to 0.915 t per day in 2012 (Figure 40b). Effort in the tiger prawn fishery increased from 1045 days in 2011 to 1369 days in 2012 (Figure 40a). Nominal and effective CPUE of tiger prawns decreased from 0.259 and 0.106 t per day in 2011 to 0.277 and 0.110 in 2012, respectively (Figure 40c).



Figure 38: Catch by species in the Groote area between 1995 and 2012.



a)

b)



Figure 39: (a) Percentage catch of prawn species in the Groote area during 2012 and (b) percentage catch of prawn species in the Groote area from 1995 to 2012.

Figure 40a: Effort for the banana and tiger prawn fisheries in the Groote area between 1995 and 2012.


Figure 40b: Catch rate for the banana prawn fishery in the Groote area between 1995 and 2012.


Figure 40c: Nominal and effective catch rate for the tiger prawn fishery in the Groote area between 1995 and 2012.



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