However, its economic value is far less than its ecological value.

然而它的经济价值远不及它的生态价值。

" I can testify to the huge effort that government agencies and other organizations have put into trying to understand the ecological values of this vast area, " he says.

“我可以作证，政府机构和其他组织为了解这片广阔海城的生态价值付出了巨大努力。”