Journal
JOURNAL OF ENVIRONMENTAL MANAGEMENT
Volume 166, Issue -, Pages 250-259Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2015.10.031
Keywords
Stream metabolism; Dissolved oxygen; Water quality; Temperature; Forest clearfelling; Blanket peat catchments
Categories
Funding
- SANIFAC project - Department of Agriculture, Fisheries and the Marine under the STIMULUS Programme [RSF07 552]
- Forsite project - Department of Agriculture, Fisheries and the Marine under the STIMULUS Programme [11/C/208]
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Peatlands cover similar to 3% of the world's landmass and large expanses have been altered significantly as a consequence of land use change. Forestry activities are a key pressure on these catchments increasing suspended sediment and nutrient export to receiving waters. The aim of this study was to investigate stream dissolved oxygen (DO) and metabolic activity response following clearfelling of a 39-year-old lodgepole pine and Sitka spruce forestry in an upland peat catchment. Significant effects of clearfelling on water temperature, flows, DO and stream metabolic (photosynthesis, respiration) rates were revealed. Stream temperature and discharge significantly increased in the study stream following deadening. Instream ecosystem respiration increased significantly following clearfelling, indicating an increase in the net consumption of organic carbon. (C) 2015 Elsevier Ltd. All rights reserved.
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