The Trust fears the western extension of Hyndford Quarry could lead to the loss of the Robiesland peat bog.
It takes carbon dioxide out of the atmosphere as it forms peat – and is also used by foraging bats.
Environmental consultants employed by the quarry operator Cemex have looked into moving the bog, but believe it could not be reinstated as an active peatbog. The Trust has submitted its objection to South Lanarkshire Council, which will have to decide on the plans by Cemex.
The local protest group, Save Our Landscape, said this week that over 500 new objection letters had been submitted in October, bringing the total to over 11,000.
“We welcome the Scottish Wildlife Trust’s objection,” said an SOL spokesman. “It confirms that the proposed extension of the quarry into the Buffer Zone threatens the area’s ecology as well as its heritage.
For more information on this story, pick up a copy of this week’s Carluke and Lanark Gazette which is out now.