Wednesday, January 2, 2008

Coral reef ecosystems

The coral reef ecosystems of the Northwestern Hawaiian Islands suffer from contamination by considerable amounts of derelict fishing gear, trash, pollution from North Pacific Ocean fisheries washed in by ocean currents.

Greenpeace released a report last week examining the "vast vortex of plastic trash in the middle of the Pacific Ocean," so described by Reuters. The report finds that the coral reef sytems of the NWHI, the endangered Hawaiian monk seal, and, worldwide, "at least 267 species -- including seabirds, turtles, seals, sea lions, whales and fish" are vulnerable to the contamination caused by tourism, sewage, fishing and waste from ships and boats. Derelict fishing gear includes, "fishing lines and nets, fishing pots and strapping bands from bait boxes that are lost accidentally by commercial fishing boats or are deliberately dumped into the ocean."
The research predicted that most debris is moved towards the mid-latitudes. This is in agreement with observations from other studies which showed higher concentrations of debris in such areas compared to nearer the poles. It also identified areas where ocean movements results in particularly high concentrations of debris such as north of Hawaii.

Living there part time, i have noticed in the last twenty years, the price of a nice piece of land is not what it once was.. While swimming in Maui, we came to a place called "BLACK ROCK" off Maui, the beach side was littered with trash, junk in the water and the water was nasty.. It wasnt like that ten years ago, but many people come to the islands and dirty them, destroy the beauty and leave. My daughter and i started doing cleanup work in the area with 30-50 other people and still seems we have along way to go.

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