期刊
FORESTS
卷 6, 期 9, 页码 2982-3001出版社
MDPI
DOI: 10.3390/f6092982
关键词
Bearing capacity; rutting; trafficability; buffer zone; streams; riparian management; forestry; soil
类别
资金
- Swedish Energy Agency
- Mistra's Future Forest program
- Swedish Research Council Formas
- Formas' ForWater
- Stiftelsen fonden for skogsvetenskaplig forskning
- Kempe foundation
- VINNOVA
This study focuses on avoiding negative effects on surface waters using new techniques for identifying wet areas near surface waters. This would aid planning and designing of forest buffer zones and off-road forestry traffic. The temporal variability in the geographical distribution of the stream network renders this type of planning difficult. A field study was performed in the 68 km(2) Krycklan Catchment to illustrate the variability of a boreal stream network. The perennial stream length was 140 km while the stream length during high-flow conditions was 630 km. Comparing the field-measured stream network to the network presented on current maps showed that 58% of the perennial and 76% of the fully expanded network was missing on current maps. Similarly, cartographic depth-to-water maps showed that associated wet soils constituted 5% of the productive forest land during baseflow and 25% during high flow. Using a new technique, maps can be generated that indicate full stream networks, as well as seasonally active streams and associated wet soils, thus, forestry planning can be performed more efficiently and impacts on surface waters can be reduced.
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