Basic Information Model and Assumptions
reef fisheries are as follows: i the rate of natural growth of fish populations, ii death due to arrest; iii natural death due to stress, disease or aging; iv the cost
per unit of effort, v the price per kg of fish, vi the average of fishery products per month, vii the number of fishing days per month and the number of fishing
fleet. Based on the boundaries of the study area is the area a Marine Protected Area Regional liwutongkidi island with an area 262.36 ha.
Results of the study population to estimate the carrying capacity of the initial fish biomass can be calculated where W =
a
L
b
a and b is a constant length and weight relationships Love 1993. Some researchers join the
Organization of Fish Base 2010 and Pauly 1980 argues about the various a = 0.01 and b = 2-3 for demersal fish. So the fish biomass of marine protected areas
on the island Liwutongkidi can be calculated. The results of the calculation of the biomass of fish at the study site is 39771.12 kg or 39.77 tones of fish biomass.
Calculation of biomass of fish in accordance with the analysis performed Pet- Soede at al, 2001 in Froese and Pauly, 1998, Appendix 11.
According Luckof et al. 2005 the natural fish population growth rate between 50-60. The mortality rate is very important in analyzing the dynamics
of exploited populations. Natural mortality caused by predation, disease, aging, environmental conditions, the stress associated with the ecosystem and others
0.3. Furthermore, proposed by Gulland 1977 in Pauly 1984 The exploitation of natural level ranged between 0.3 - 0.5 depending on the surrounding
environmental conditions. Cost per unit of effort is IDR. 200,000 per month, and the price per kg of fish was IDR. 12,500, the frequency of fishing effort is 20 days
fishing per month. With the amount of time when the research 147 both.