Mangrove forests were traditionally viewed as
a. unproductive wastelands
b. valuable fish habitats
c. an erosion preventing habitat
d. pollution filters

a. unproductive wastelands. It was previously believed that mangrove forests are unproductive and smelly so clearing efforts are practiced to make room for agriculture and human settlement. But mangrove are extremely productive ecosystems that provides many ecological benefits. Wood from mangroves are resistant to insects and decay. They are home to large variety of aquatic species such as fish, mollusks and crabs. They also protect lands by preventing erosion.