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Preserving the Ko‘olau Mountains Watershed: Economics and Environmental Impact

Explore the economic and environmental significance of the Ko‘olau Mountains Watershed in Hawaii, focusing on its conservation efforts and the value it brings to Oahu. Learn about the sustained yield of water, native forests, and the role of the Hawaii Alliance of Watershed Partnerships.

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Preserving the Ko‘olau Mountains Watershed: Economics and Environmental Impact

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  1. invicta = invincible

  2. RIFA impacts: • Public health and safety

  3. 1930-40 FL

  4. Range Expansion of Red Imported Fire Ants in the USA 1939-1998 Source: California Dept of Food and Ag.

  5. Ko‘olau Mountains Watershed Partnership (KMWP) • Encompasses nearly 100,000 acres of land in the mauka portions of the Ko‘olau Range • Estimated sustained yield of 135 billion gallons per year for Oahu • Economists found that the Ko'olau Watershed have a net present value of 7.5 to 14 BILLION DOLLARS!

  6. In total, the Ko‘olau Mountains Watershed retains only 54 percent, or approximately 53,000 acres of its original vegetation Oahu’s Native Forests… … thought to be the best ecosystem for capturing and storing water.

  7. 1999 99,000+ ac. 1999 19,000 ac. 1998 50,000 ac. • 2003 50,000 ac. 1991 100,000+ acres 2001 ~20,000 ac. ~32,000 ac. 2003 2003 ~26,000 ac. • 1994 • 420,000 ac.

  8. On April 24, 2003... The Hawaii Alliance of Watershed Partnerships formed • Connectivity • Sharing • Regional Threats

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