conservancy
/kənˈsɜːvənsɪ/noun
(pl. -ies)
1
- in names a body concerned with the preservation of natural resources（自然资源）保护机构：
the Nature Conservancy.
自然资源管理委员会。
1.1
- a commission or group of officials controlling a port, river, or catchment area（港口、河流或汇水区）管理委员会。
2
- mass noun [usu. with modifier] the conservation of something, especially wildlife and the environment（尤指对野生动植物和环境的）保护。
词源
mid 18th cent.: alteration of obsolete conservacy, from Anglo-Norman French conservacie, via Anglo-Latin from Latin conservatio （see CONSERVATION）.