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[1]CAI Ting,LI Ajin,SONG Kun,et al.Study on Water Conservation of Near-Natural Forest and Pure Forest in Upper Reaches of the Huangpu River[J].Research of Soil and Water Conservation,2015,22(02):36-40.

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Study on Water Conservation of Near-Natural Forest and Pure Forest in Upper Reaches of the Huangpu River

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 02 Page number: 36-40 Column: Public date: 2015-04-28

Title:: Study on Water Conservation of Near-Natural Forest and Pure Forest in Upper Reaches of the Huangpu River

Author(s):: CAI Ting¹, LI Ajin¹, SONG Kun^1,2, DA Liangjun^1,2,3, XU Kaiqin⁴, YAN Ailing¹; 1. School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China;
2. Tiantong National Station of Forest Ecosystem, Ningbo, Zhejiang 315114, China;
3. Shanghai Key Laboratory for Ecology of Urbanization Process and Eco-restoration, Shanghai 200241, China;
4. National Institute for Environmental Studies, Tsukuba 305-8506, Japan

Keywords:: near-natural forest; water conservation; canopy interception; water-holding capacity of litter; soil physical properties

CLC:: S715

DOI:: -

Abstract:: This study focuses on water-holding capacity (WHC) of forest for conservation of water supply in upper reaches of the Huangpu River. Specifically, WHCs of canopy, litter layer and soil were compared with each other in the near-natural forest, the pure Cinnamomum camphora forest and the pure Sapindus mukorossi in the study region. The results showed that aboveground WHC of pure Cinnamomum camphora forest (16.36 t/hm²) was approximately equal to the aboveground WHC of near-natural forest (16.85 t/hm²), and was greater than the aboveground WHC of pure Sapindus mukorossi forest (12.54 t/hm²). Order of WHCs among different forest types was the near-natural forest (0.370 t/hm²), pure Sapindus mukorossi forest (0.004 t/hm²) and the pure Cinnamomum camphora forest (0.003 t/hm²) in terms of the litter layer, and the near-natural forest (2 657.02 t/hm²), the pure Sapindus mukorossi forest (2 526.81 t/hm²) and the pure Cinnamomum camphorar forest (2 474.80 t/hm²) with respect to the soil layer. The soil layer of the studied forest played the major role in the conservation of water supply, but it could not reach such a state without interactions with the aboveground and litter layers. The total water conservation is higher in the near-natural forest (2 673.73 t/hm²) than the pure Sapindus mukorossi forest (2 539.35 t/hm²), and is the lowest in the pure Cinnamomum camphora forest (2 491.65 t/hm²). These results consistently suggested that the near-natural forest with complex community structure and high species diversity had the highest WHC, followed by the pure Sapindus mukorossi forest and the pure Cinnamomum camphora forest.

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