I think it's a combination of a number of those factors that you've defined, things like not having an understanding of what the full breadth and depth of traditional knowledge is compared to what we have established with western science in terms of some of the science-based decision-making tools, as well as how western science information is collected and how it's interpreted.
A number of those things are not available or don't exist for traditional knowledge. Traditional knowledge in itself is also very much site specific and region specific, so the interpretation of those values can be different for these regions.
Let me take a step back. When we think about things like fish contamination or water quality issues, there may be regions where people don't eat as much fish or those types of fish are not available. Some of the general values that we apply through regulation may not work in certain situations.