Cesar2000-Economics of Coral Reefs.pdf

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Value (*1000US$ per person per year)
6
5
4
3
2
1
0
0 2 4 6 8 10 12 14 16 18 20
Time (Year)
net income non destructive fishing
net indome blast fishing
opportunity costs for labour
Figure 1. Model output: annual net income for small-scale blast fishers and small-scale fishers using non-destructive gear,
with the opportunity costs of labour.
100
Value (*1000US$ per km 2 )
50
0
–50
–100
net private benefits
blastfishing
tourism benefits
coastal protection
function
high value scenario
low value scenario
net benefits nondestructive
fishing
–150
Figure 2. Model output: net present value of 20 years of blast fishing for individuals and associated losses to society.
Two scenarios are compared: high and low values for tourism potential and coastal protection.
Table 3.
Results of the sensitivity analysis for the economic valuation of blast fishing.
Benefits & Losses Net private benefits Loss of tourism Loss of coastal Foregone sustainable Net loss of
from blast fishing revenues protection fishery income blast fishing to society
Scenarios
LOW value scenario 75.9 –0.8 –6.8 –102.2 33.9
HIGH value scenario 75.9 –134.0 –146.5 –102.2 306.8
BLASTING AWAY: THE ECONOMICS OF BLAST FISHING ON INDONESIAN CORAL REEFS
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