Arguably the single most destructive human action for the world's oceans, bottom trawling, a practice commonly used to dredge up deep water fish, leaves behind a trail of destruction that can clearly be seen from space. The above image of the Gulf of Mexico, captured by the Landsat satellite in late 1999, shows the sediment trails left behind by individual ships (the bright spots) - a testament to the utter devastation the practice exerts on vast seafloor ecosystems.
RLCC: Visit the link to see the image. When one thinks about the size of the area impacted each year and that areas are hit year after year, it isn't difficult to understand why fish populations are being devastated and how the sea bottom is being ruined by greedy, thoughtless, short-sighted people.
TreeHugger on February 22, 2008, 2:15pmfrom