Environmental Engineering Reference
In-Depth Information
Table 8.5
Summary of average values for various aspects of the seagrass
trap and net i sheries
Trap Fishing
Net Fishing
Mean daily catch per
boat
7kg
75kg
Total daily catch for l eet
280kg
2250kg
Mean value of daily catch
21 000-35 000MZN
US$1.75-2.91
225 000-375 000MZN
US$18.75-31.25
Initial expenditure
Boat 300 000MZN
US$25
Traps 160 000MZN
US$13
Total 460 000MZN
US$38
None for individual i shers
Crew's wages
-
8 crew at 10 000MZN per
day, total 80 000MZN,
US$6.67
Captain's wages
-
14 000MZN, US$1.17
Processors' wages
-
5 processors at 4000MZN/
US$0.33 per day, total
20 000MZN/US$1.67
Total daily expenditure
3000MZN/US$0.25
114 000MZN/US$9.5
Mean daily proi t for
boat owner
21 000-35 000MZN
US$1.75-2.91
111 000-261 000MZN
US$9.25-21.75
Total daily value of catch
for l eet
630 000-1 400 000MZN
US$52.5-116.67
3 375 000-11 250 000MZN
US$281.25-947.5
Days i shed per year
264
216
Total annual catch
60 tonnes
440 tonnes
Total annual value of
catch
180-300 million meticais
US$15 000-25 000
1320-2200 million meticais
US$110 000-183 333
Total annual catch for
both methods
1500-2500 million
meticais
US$125 000-208 333
Note:
The exchange rate used was US$1 to 12 000MZN.
managed this way to work harder to maximize their earnings. The boats
that seemed to work the most ei ciently were those with small crews of
i ve or so. They had to work harder than larger crews to haul the nets but
they often seemed more ei cient at getting their boats out, catching the i sh
and returning to port. Many of the boats with large crews of 12 or more
seemed to be primarily a social occasion that just happened to result in
something to eat and some money.
