The Kamchia Biosphere Reserve, (Bulgarian: Биосферен Резерват Камчия) is a former UNESCO-listed biosphere reserve on the northern coastline of Bulgaria, comprising the floodplain at the mouth of the Kamchia River. Consisting largely of alluvial longose groves, (or the Longoz as it is also known), but also featuring some of the Black Sea coastline, the area of the protected habitats in the reserve, together with Kamchia Sands Protected Area, totals 1.200 ha. Established in 1977, it protects the p…