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Volume 39 Issue 4
Nov.  2019
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Article Navigation >  Journal of Sichuan Forestry Science and Technology  > 2018  >  39(4): 1-7,30

WANG Yi-hao, CUI Yun-feng, XUE Lan-lan. The Resere of Carbon,Nitrogen,Phosphorus and Potassium and Their Distribution Features in Young and Middle-aged Cupressus funebris Forests in the Wuling Mountain Area of Chongqing[J]. Journal of Sichuan Forestry Science and Technology, 2018, 39(4): 1-7,30. doi: 10.16779/j.cnki.1003-5508.2018.04.001
Citation: WANG Yi-hao, CUI Yun-feng, XUE Lan-lan. The Resere of Carbon,Nitrogen,Phosphorus and Potassium and Their Distribution Features in Young and Middle-aged Cupressus funebris Forests in the Wuling Mountain Area of Chongqing[J]. Journal of Sichuan Forestry Science and Technology, 2018, 39(4): 1-7,30. doi: 10.16779/j.cnki.1003-5508.2018.04.001
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The Resere of Carbon,Nitrogen,Phosphorus and Potassium and Their Distribution Features in Young and Middle-aged Cupressus funebris Forests in the Wuling Mountain Area of Chongqing


doi: 10.16779/j.cnki.1003-5508.2018.04.001
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  • Chongqing Academy of Forestry, National Ecosystem Research Station of Three Gorges Wetland, Chongqing 400036, China;Agriculture Service Center of Shibao Town of Zhong County, Chongqing 404332, China

  • Received Date: 2018-03-30
  • The reserve of carbon(C),nitrogen(N),phosphorus(P)and potassium(K)and their distribution features were studied in young and middle-aged Cupressus funebris forests in the Wuling Mountain Area of Chongqing.The results showed that the contents of C,N,P and K in organs were not significantly different between young and middle-aged C.funebris forests.The contents of C,N and P were the highest in leaves for both forests,C and N content was the smallest in trunks.The trunk was the main organ for the material storage of tree layer in C.funebris forests.Compared with young forests,P and K storages in middle-aged C.funebris forest were significantly higher,but the difference of material storage in other organs between them was not significant.Similarly,the difference of material storages in litter layer and soil layer between young forosts were not significant generally,but material storage in each soil layer of middle-aged C.funebris forests was higher than that of young forests.C,N,P and K storage in young forests were 144.5997 t·hm-2,7.0839 t·hm-2,1.2261 t·hm-2 and 46.5130 t·hm-2,and those in middle-aged forests were 160.5415 t·hm-2,10.0162 t·hm-2,3.0957 t·hm-2 and 49.0526 t·hm-2 respectively.The storage distribution paltern was as follows soil layer>tree layer>and litter layer in descending order.Soil layer was still the main reservoir for material storage in young and middle-aged C.funebris forests (the average proportion was 87.23% and 91.92% respectively).In general,the material storage function of middle-aged C.funebris forests was stronger than that of young forests in the Wuling Mountain Area.
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The Resere of Carbon,Nitrogen,Phosphorus and Potassium and Their Distribution Features in Young and Middle-aged Cupressus funebris Forests in the Wuling Mountain Area of Chongqing

doi: 10.16779/j.cnki.1003-5508.2018.04.001
  • Chongqing Academy of Forestry, National Ecosystem Research Station of Three Gorges Wetland, Chongqing 400036, China;Agriculture Service Center of Shibao Town of Zhong County, Chongqing 404332, China
  • Received Date: 2018-03-30

Abstract: The reserve of carbon(C),nitrogen(N),phosphorus(P)and potassium(K)and their distribution features were studied in young and middle-aged Cupressus funebris forests in the Wuling Mountain Area of Chongqing.The results showed that the contents of C,N,P and K in organs were not significantly different between young and middle-aged C.funebris forests.The contents of C,N and P were the highest in leaves for both forests,C and N content was the smallest in trunks.The trunk was the main organ for the material storage of tree layer in C.funebris forests.Compared with young forests,P and K storages in middle-aged C.funebris forest were significantly higher,but the difference of material storage in other organs between them was not significant.Similarly,the difference of material storages in litter layer and soil layer between young forosts were not significant generally,but material storage in each soil layer of middle-aged C.funebris forests was higher than that of young forests.C,N,P and K storage in young forests were 144.5997 t·hm-2,7.0839 t·hm-2,1.2261 t·hm-2 and 46.5130 t·hm-2,and those in middle-aged forests were 160.5415 t·hm-2,10.0162 t·hm-2,3.0957 t·hm-2 and 49.0526 t·hm-2 respectively.The storage distribution paltern was as follows soil layer>tree layer>and litter layer in descending order.Soil layer was still the main reservoir for material storage in young and middle-aged C.funebris forests (the average proportion was 87.23% and 91.92% respectively).In general,the material storage function of middle-aged C.funebris forests was stronger than that of young forests in the Wuling Mountain Area.

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