搜索结果: 1-2 共查到“理学 clear-felling”相关记录2条 . 查询时间(0.069 秒)
Benthic invertebrates in the headwaters of the Wye and Severn：effects of forestry and clear-felling
Benthic invertebrates clear-felling Wye forestry
2009/6/8
Invertebrate communities were recorded in three surveys between 1974 and 1994 of headwaters of the Wye and Severn at Plynlimon: the Afon Gwy (unforested), the Afon Hore (initially forested) and the A...
The effects of clear-felling established forestry on stream-flow losses from the Hore sub-catchment
Hore sub-catchment clear-felling stream-flow losses
2009/6/8
The effects on streamflow of clear-felling a substantial part of the established forestry within the Hore sub-catchment at Plynlimon were estimated by a regression comparison of pre-and post-felling r...