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| | Koolaupoko regional ecosystems - Kawai Nui Marsh |
 | | The total freshwater input to Kawai Nui Marsh is estimated at 6.8 mgd (25,700 m³/day) (Drigot et al., 1982) to 9.5 million gallons per day (35,900 m³/day) (Wilson Okamoto and Assoc., 1994), with 23,800 m³/day (6.3 mgd) discharged to Kailua Bay through the Oneawa Channel and 12,100 m³/day (3.2 mgd) lost to evapotranspiration. |
 | | Historically, a portion of Kawai Nui Marsh was a 450-acre fishpond kept clear of encroaching vegetation by the communal efforts of the ahupua`a residents. |
 | | A marsh is an aquatic environment in which water, sediment, and living matter are interacting in natural, but uniquely intimate ways in comparison with other aquatic environments such as streams, lakes, bays, and coastal waters. |
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