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One possible method of reacting to a specific negative effect of climate change - decreasing natural phytoplankton levels and debasing the ocean food chain - is "ocean fertilization" with finely powerderedpowdered iron. This allows high levels of phytoplankton growth in areas deficient in this nutrient (Jones & Young, 1997). There are significant technical problems related to this approach. Also, the large-scale effectiveness of iron fertilization is extremely speculative (Chisholm, Falkowsi, & Cullen, 2002). Hence, we do not advise this method until significantly more research has been conducted.
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Once trends have been determined, the plan for fishery conservation would then be modified in order to counteract whatever effects were being caused by the climate change. For instance, assuming our best predictions to be true, ecosystems would likely be able to support a smaller population of fish than they do currently. As soon as this realization comes about, restrictions must be changed to fit the reality of the situation. These changes could be made to a number of different restrictions such as technological restrictions, taxes, or closed areas. However, we propose that quotas would be most beneficial to have as direct an effect as possible on the fish populations, and thus should be used as the primary form of restriction. Quotas would allow for the most accurate control over the number of fish we are taking out of the environment, and allow the restrictions to be changed more easily when a new trend in climate change is foundThese changes should reflect the fact that the level at which fish can be harvested sustainably is lowered. The most important aspect of the plan with respect to climate change is that it has to modifiable, so that we can be constantly improving our approach as we improve our understanding of climate changes effects. If we are to this approach is most likely valid for other aspects of this problem as well. Even this approachThis approach, however, requires a great improvement in our understanding of fish population dynamics in order to be carried out effective.
Examples
Here are some predictions for possible future effects of climate change on certain areas:
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