For those precious ecosystems, ocean acidification is but one of many environmental stresses, an onslaught that includes greenhouse warming, local pollution, overfishing and habitat destruction.

• 对这种珍贵的生态系来说，海洋酸化不过是许多环境压力之一。环境压力包括温室效应、地区污染、过度捕渔，以及栖地破坏。