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Articles by Christian Layke

Christian Layke of the World Resources Institute is the gatekeeper of EarthTrends: The Environmental Information Portal. He has conducted research in forest ecology in New York State, New Hampshire, and the Dominican Republic.

Featured Article

98,572 — square miles of coral reef in the world 1 97,100 — square miles of the state of Wyoming 2 58 — percentage of the world’s reefs that are potentially threatened by human activities 1 34 — percentage of the world’s reefs that are off the shores of Southeast Asia 3 88 — percentage of those reefs that are threatened 3 8 — percentage of those reefs that are protected 3 19,643 — square miles of coral reef in Indonesia 3 4,668,487 — number of people in Indonesia deriving their livelihood from fishing in 1996 4 86 — percentage of Indonesia’s coral reef at medium or higher risk 3 6 — number of countries containing more than half the world’s reefs (Australia, Fiji, Indonesia, the Maldives, Papua New Guinea, and the Philippines) 1 90 — percentage of people living within 100 miles of the coast in Australia, Indonesia, Japan, Malaysia, and the Philippines (world centers of coral diversity) 4 23,100-270,000 — estimated value, in dollars, of one square kilometer of healthy coral reefs in area with tourism potential 3 20,000-151,000 — estimated value, in dollars, of one square kilometer o... Read more