Here’s a quote from Aldo Leopold that relates to the article below: “One basic weakness in a conservation system based wholly on economic motives is that most members of the land community [and ocean community] have no economic value. Wildflowers and songbirds are examples. Of the 22,000 higher plants and animals native to Wisconsin, it is doubtful whether more than 5 per cent can be sold, fed, eaten, or otherwise put to economic use. Yet these creatures are members of the biotic community, and if (as I believe) its stability depends on its integrity, they are entitled to continuance” (Leopold, A. 1949. A Sand County Almanac….