Journal
JOURNAL OF FORESTRY RESEARCH
Volume 26, Issue 3, Pages 697-702Publisher
NORTHEAST FORESTRY UNIV
DOI: 10.1007/s11676-015-0119-8
Keywords
Annual water yield; Cumulative forest cover; Evapotranspiration (ET); Reforestation; Water balance model
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Funding
- State Forestry Administration of China [201404201]
- Guangxi Natural Science Foundation of China [2012GXNSFBA053140]
- Guangxi Academy of Sciences [13YJ22ZWS22]
- Guangxi Institute of Botany [12001]
- CFERN & GENE Award Funds on Ecological Paper
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A simplified water balance model in conjunction with an evapotranspiration (ET) model and cumulative forest cover data were used to quantify the changes in annual water yield in response to reforestation in a large watershed, northeast China. Cumulative forest cover increased by 22 %, leading to a significant decrease in estimated annual water yield. Reforestation increased ET (P = 0.0144), resulting in a remarkable decrease (P = 0.0001) in estimated annual water yield according to the water balance model. Reforestation increased ET by 33 mm and decreased annual water yield by 38 mm per decade. The effect of reforestation on annual water yield can be quantified using a simplified water balance model in a large watershed, although our reforestation area was small (about 20 %) in relation to the total watershed area.
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