BBC NEWS | Menu prices track fishing impact

Not exactly spatial in the way the conducted it, but it is easy to see how it could be a significant variable in their work. The Census of Marine Life (COML) looked at over a 100 years of prices of seafood to infer impacts such as over harvesting of marine species. A great use of the historical record in an outside the box scenario. The detailed press release is available as a pdf from the COML website

BBC NEWS | Science/Nature | Menu prices track fishing impact