iving for balance Problem Approach Task 1 To model water quality before milkfish dominated the local ecosystem, we create formulas that model the interactions among the species in the ecosystem. This model focuses on a steady-state equilibrium of water qt We firstestablishhow to measure the changein water quality, as thesum of the waste products of each species. Some species, such as the blue mus- sel, which consumes the waste of other species, contribute negative waste and thus help improve water quality. We develop functions to describe the population of each species at any given time; the population determines the waste produced by that species and thus the water quality. The formula for each species calculates the change in the population by adding the number of new individuals( based on the determined growth rate)and subtracting the number eaten by other species as well as the number that die naturally We determine a steady state by running the whole model for several iterations until the level of the water quality stabilizes. Adjusting the num- ber of each species in the system while keeping the ratios among species constant should allow prediction of population levels before the disruption of overfishing that led to the commercial milkfish monoculture Task 2 We set to zero the populations of all species except milkfish and algae and run the model to determine water quality. Based on the known current water quality, we attempt to determine the current populations of a variety of Task 3 latn etting the water quality to an acceptable desired constant,werunsimu- would reestablish an equilibrium polyculture. This polyculture would con- sume the waste products of the milkfish and keep the growth of algae under control. We expect to determine different combinations for how many of various species would need to be introduced to the sites in the bolinao region to reestablish acceptable water quality and create coral growth Task 4 Ne determine from data the dollar values for each speciesStriving for Balance 143 Problem Approach Task 1 To model water quality before milkfish dominated the local ecosystem, we create formulas that model the interactions among the species in the ecosystem. This model focuses on a steady-state equilibrium of water qual￾ity. We first establish how to measure the change in water quality, as the sum of the waste products of each species. Some species, such as the blue mus￾sel, which consumes the waste of other species, contribute negative waste and thus help improve water quality. We develop functions to describe the population of each species at any given time; the population determines the waste produced by that species and thus the water quality. The formula for each species calculates the change in the population by adding the number of new individuals (based on the determined growth rate) and subtracting the number eaten by other species as well as the number that die naturally. We determine a steady state by running the whole model for several iterations until the level of the water quality stabilizes. Adjusting the num￾ber of each species in the system while keeping the ratios among species constant should allow prediction of population levels before the disruption of overfishing that led to the commercial milkfish monoculture. Task 2 We set to zero the populations of all species except milkfish and algae Sand run the model to determine water quality. Based on the known current water quality, we attempt to determine the current populations of a variety of species. Task 3 Setting the water quality to an acceptable desired constant, we run simu￾lations of adjusting the populations of species in different combinations that would reestablish an equilibrium polyculture. This polyculture would con￾sume the waste products of the milkfish and keep the growth of algae under control. We expect to determine different combinations for how many of various species would need to be introduced to the sites in the Bolinao region to reestablish acceptable water quality and create coral growth. Task 4 We determine from data the dollar values for each species