Fisherman at Golden Gate Bridge

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A lone fisherman at Fort Baker dips his line into a San Francisco Bay that has lost many populations of its native aquatic species in the past 150 years. <br />
One potential culprit motors past in the background. Each ship in this busy port carries, on the average a million gallons of water in ballast tanks, for stability in open waters. Large ships often carry 20 million gallons. In the past, water take up in a distant port was released here, devastating the ecosystem. California attempts to regulate the practice but it is still common here and in ports the world over,
Gallery image: 86 of 100
A lone fisherman at Fort Baker dips his line into a San Francisco Bay that has lost many populations of its native aquatic species in the past 150 years.
One potential culprit motors past in the background. Each ship in this busy port carries, on the average a million gallons of water in ballast tanks, for stability in open waters. Large ships often carry 20 million gallons. In the past, water take up in a distant port was released here, devastating the ecosystem. California attempts...
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