ecosystem

Technique applied to human gut reveals 10 times more bacteria than thought.

Regions of ocean depleted in oxygen increasing, are key stressor to ecosystems.

Bottom trawling leaves behind huge sediment plumes, damage to ecosystems.

If Antarctic waters warm over coming century, could become hospitable to sharks.

More than 40 percent of seas are heavily impacted by humans.

Climate change may alter ocean ecosystems, shrinking key fish populations.

Are artificial reefs good or bad for marine life?

Habitats with fewer plant species produce less oxygen, food, fiber overall.

A new exhibit features all aspects of water, calls for conservation.