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Mangrove Forest
Nutrient uptake

Nutrient uptake and oxygen uptake is limited. Prop roots absorb gasses directly from the air. They absorb iron from the soil too. They also store gases inside their roots. Without these adaptations, many of these plants will be unable to survive.
 
Sources:
Goh Cheng Leong. (1998). The World's Natural Vegetation. (p. 42-54). Singapore: Federal Publications.

Mangrove. (2008, March 13). In Wikipedia, The Free Encyclopedia. Retrieved 14:39, March 15, 2008, from http://en.wikipedia.org/w/index.php?title=Mangrove&oldid=197992997