An area on Public Lands where special management attention is required to protect and prevent irreparable damage to historic, cultural, or scenic values, fish and wildlife resources, or other natural systems or processes, or to protect people from natural hazards.
AREA OF CRITICAL ENVIRONMENTAL CONCERN (ACEC)
Meaning of AREA OF CRITICAL ENVIRONMENTAL CONCERN (ACEC) in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012