<P> Related protected area categories include the following; </P> <Ul> <Li> World Heritage Site (WHS)--an area exhibiting extensive natural or cultural history . Maritime areas are poorly represented, however, with only 46 out of over 800 sites . </Li> <Li> Man and the Biosphere--UNESCO program that promotes "a balanced relationship between humans and the biosphere". Under article 4, biosphere reserves must "encompass a mosaic of ecological systems", and thus combine terrestrial, coastal, or marine ecosystems . In structure they are similar to Multiple - use MPAs, with a core area ringed by different degrees of protection . </Li> <Li> Ramsar site--must meet certain criteria for the definition of "Wetland" to become part of a global system . These sites do not necessarily receive protection, but are indexed by importance for later recommendation to an agency that could designate it a protected area . </Li> </Ul> <Li> World Heritage Site (WHS)--an area exhibiting extensive natural or cultural history . Maritime areas are poorly represented, however, with only 46 out of over 800 sites . </Li> <Li> Man and the Biosphere--UNESCO program that promotes "a balanced relationship between humans and the biosphere". Under article 4, biosphere reserves must "encompass a mosaic of ecological systems", and thus combine terrestrial, coastal, or marine ecosystems . In structure they are similar to Multiple - use MPAs, with a core area ringed by different degrees of protection . </Li>

Who is in charge of marine protected areas