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[1]LIANG Chun-ling,GU Sheng-li.Analysis on Energy Value of Wetland Ecosystem of Nansi Lake in Shandong Province of China and Regional Development[J].Research of Soil and Water Conservation,2012,19(02):185-188.

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Analysis on Energy Value of Wetland Ecosystem of Nansi Lake in Shandong Province of China and Regional Development

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 19 Number of periods: 2012 02 Page number: 185-188 Column: Public date: 2012-04-20

Title:: Analysis on Energy Value of Wetland Ecosystem of Nansi Lake in Shandong Province of China and Regional Development

Author(s):: LIANG Chun-ling¹, GU Sheng-li²; 1. Department of Environment and Programming, Shangqiu Normal University, Shangqiu, He’nan 47600, China;
2. Department of Architecture and Civil Engineering, Shangqiu Normal University, Shangqiu, He’nan 47600, China

Keywords:: Nansi Lake; wetland; ecosystem services; energy analysis

CLC:: F323.2;X171

DOI:: -

Abstract:: Adopting the theories and methods of Energy Analysis established by H.T.Odum,the average yearly energy input-output of wetland ecosystem of Nansi Lake is calculated and the energy analysis chart is drawn to evaluate the energy flow and the economic value of the lake.And the structure and function of Nansi Lake wetland ecosystem is analyzed as a whole.The result shows that the amount of the input solar value (including the sun,wind and rain) of the Nansi Lake is 1.11×10²¹sej,and the output solar value is 1.73×10²⁰sej.The primary productivity is1.61×10²⁰sej.Non-renewable energy or resources (including sediment and water) is 1.03×10²¹sej.At the same time,the ecological benefits of aquatic vascular plants and fish of the Nansi Lake are significant.Energy investment ratio of the lake is 0.000 9.Net energy yield is 165.23 and environmental loading rate is 14.22.High net energy yield and environmental loading rates show that Nansi Lake wetland ecosystem has a great contribution to local economy.The regional economic development level is low and vastly depends on nature environment.

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