Erg (landform) Erg (landform) An erg (also sand sea or dune sea, or sand sheet if it lacks dunes) is a broad, flat area of desert covered with wind-swept sand with little or no vegetative cover. The term takes its name from the Arabic word "ʿarq" (), meaning "dune field". Strictly speaking, an erg is defined as a desert area that contains more than of aeolian or wind-blown sand and where sand covers more than 20% of the surface. Smaller areas are known as "dune fields". The largest hot desert in the world, the Sahara, covers and contains several ergs, such as
Geography of French Guiana (widely scattered), cinnabar, kaolin, fish, [shrimp], rice, bananas. Arable land: 0%.<br> Permanent crops: 0%.<br> Permanent pastures: 0%.<br> Forests and woodland: 0%.<br> Other: 10% (1996 est.).<br> Irrigated land: 20 km² (1993 est.).<br> Natural hazards: high frequency of heavy showers and severe thunderstorms; flooding.<br> Environment - current issues: NA.<br> Geography - note: mostly an unsettled wilderness. Geography of French Guiana French Guiana is an overseas region of France, located on the northern coast of South America between Suriname and Brazil. See also the article on the geography of Suriname. Northern South America and part of Caribbean South America, bordering the North Atlantic