Forest clearfelling effects on dissolved oxygen and metabolism in peatland streams.
J Environ Manage
; 166: 250-9, 2016 Jan 15.
Article
em En
| MEDLINE
| ID: mdl-26513323
ABSTRACT
Peatlands cover â¼3% 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 clearfelling. Instream ecosystem respiration increased significantly following clearfelling, indicating an increase in the net consumption of organic carbon.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Oxigênio
/
Agricultura Florestal
/
Rios
Idioma:
En
Revista:
J Environ Manage
Ano de publicação:
2016
Tipo de documento:
Article