glaciers melting
longer ice free seasons
human exploration
some species become more isolated
some species become less isolated
carbon dioxide released
floods
habitat loss
death of many producers
spread disease
erodes fertile soil
warmer sea temperatures
stressful for sea-ice algae
stressful for sub-ice plankton
habitat loss
glaciers melt more quickly
water salinity
some producers will not survive change in water salinity
coral reefs threatened
some fish will not survive less salt in water