Phosphorus export from drained Scots pine mires after clear-felling and bioenergy harvesting.
作者： Annu Kaila , Sakari Sarkkola , Ari Laurén , Liisa Ukonmaanaho , Harri Koivusalo
DOI: 10.1016/J.FORECO.2014.03.025
关键词: Stump harvesting 、 Canopy 、 Environmental science 、 Agronomy 、 Felling 、 Hydrology 、 Phosphorus 、 Water table 、 Scots pine 、 Peat 、 Water level
摘要: Abstract We studied phosphorous (P) export after clear-felling from eight Scots pine dominated, hydrologically isolated catchment areas located on a low-P sorptive peatland site in southern Finland, using the paired-catchments approach. Four of were clear-felled traditionally with stem-only harvesting, two whole-tree and remaining treated both harvesting stump harvesting. The effect P loads varied considerably between no increase to an over 1.5 kg ha −1 during three-year-study period. most significant factor explaining variation concentrations outflow water catchments was post-harvest level position. At table levels
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