ecosystem

Skin bacteria varies based on conditions such as dry, moist and oily.

Monitoring of forest plots finds western tree death rates have doubled, likely due to regional warming.

What is the total cost of the introduction of non-native species into the Great Lakes?

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.