Northern Prawn Fishery Data Summary 2012



Download 3.82 Mb.
Page12/20
Date02.06.2018
Size3.82 Mb.
#53062
1   ...   8   9   10   11   12   13   14   15   ...   20

Mornington


Banana prawn catches in the Mornington area decreased from 806 t in 2011 to 21 t in 2012. Catches of tiger prawns remained at 70 t in 2012. Endeavour prawn catches reduced from 29 t in 2011 to 4 t in 2012 (Figure 32). Tiger prawns dominated the catch in this area, contributing 74% of the catch in 2012, with banana and endeavor prawns contributing 22% and 4% to the total catch, respectively (Figure 33).
Effort in the banana fishery decreased from 273 days in 2011 to 7 days in 2012 (Figure 34a). CPUE of banana prawns decreased slightly from 2.952 t per day in 2011 to 2.945 t per day in 2012 (Figure 34b). Effort in the tiger prawn fishery decreased from 347 days in 2011 to 227 in 2012 (Figure 34a). Nominal and effective CPUE of tiger prawns increased from 0.285 and 0.119 t to 0.326 and 0.129 t per day in 2012, respectively (Figure 34c).


Figure 32: Catch by species in the Mornington area between 1995 and 2012.



a)

b)



Figure 33: (a) Percentage catch of prawn species in the Mornington area during 2012 and (b) percentage catch of prawn species in the Mornington area from 1995 to 2012.

Figure 34a: Effort for the banana and tiger prawn fisheries in the Mornington area between 1995 and 2012.


Figure 34b: Catch rate for the banana prawn fishery in the Mornington area between 1995 and 2012.



Figure 34c: Nominal and effective catch rate for the tiger prawn fishery in the Mornington area between 1995 and 2012.


Download 3.82 Mb.

Share with your friends:
1   ...   8   9   10   11   12   13   14   15   ...   20




The database is protected by copyright ©ininet.org 2024
send message

    Main page