Length of Coastline was derived from the World Vector Shoreline database of the United States Mapping Agency. The estimates presented here were calculated using a Geographic Information System (GIS) with a resolution of 1:250,000 kilometers and an underlying database consistent for the entire world

Frequent cyclones and volcanic activity pose a constant threat to the wealth of wildlife which find a home in the forests of the Comoros archipelago. Mount Karthala (2,361 m), an extremely active volcano dominating the largest of the four islands, Ngazidja, erupts every 10 to 20 years. Due to the