, which spreads along 1,400 miles of the Alaskan shoreline. Recent scientific studies show that the oil continues to wreak havoc among many spawning salmon, herring, and other species of fish. This is even more devastating when considering that much of the wildlife around the sound is dependant on the high calorie, high fat content of the herring as their prime food source. Among the many casualties were 2,800 sea otters, 300 harbour seals, 250 bald eagles, as many as 22 killer whales, and an estimated quarter-million seabirds. It is unclear how many billions of salmon and herring eggs and intertidal plants succumbed to the oil smothering.
             Within an ecosystem, each living thing depends on other living things.
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