Volume 33 Issue 2
Mar.  2016
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YANG Jie, XIANG Tingting, JIANG Peikun, WU Jiasen, KE Hejia. Phytolith-occluded organic carbon accumulation and distribution in a Dendrocalamopsis oldhami bamboo stand ecosystem[J]. Journal of Zhejiang A&F University, 2016, 33(2): 225-231. doi: 10.11833/j.issn.2095-0756.2016.02.006
Citation: YANG Jie, XIANG Tingting, JIANG Peikun, WU Jiasen, KE Hejia. Phytolith-occluded organic carbon accumulation and distribution in a Dendrocalamopsis oldhami bamboo stand ecosystem[J]. Journal of Zhejiang A&F University, 2016, 33(2): 225-231. doi: 10.11833/j.issn.2095-0756.2016.02.006

Phytolith-occluded organic carbon accumulation and distribution in a Dendrocalamopsis oldhami bamboo stand ecosystem

doi: 10.11833/j.issn.2095-0756.2016.02.006
Funds:

浙江省自然科学基金资助项目(LY13C160010);国家自然科学基金资助项目(41471197);浙江农林大学科研发展基金资助项目(2014FR052)

  • Received Date: 2015-04-09
  • Rev Recd Date: 2015-05-26
  • Publish Date: 2016-04-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Phytolith-occluded organic carbon accumulation and distribution in a Dendrocalamopsis oldhami bamboo stand ecosystem

doi: 10.11833/j.issn.2095-0756.2016.02.006
Funds:

浙江省自然科学基金资助项目(LY13C160010);国家自然科学基金资助项目(41471197);浙江农林大学科研发展基金资助项目(2014FR052)

Abstract: Phytolith-occluded organic carbon (PhytOC) has been shown to have an important role in carbon-silicon biogeochemical cycling. To understand the characteristics of PhytOC accumulation, different organs (leaf, branch, and culm), litter, and soil samples were collected in different age stands of 1-3 year old Dendrocalamopsis oldhami bamboo ecosystems from Cangnan County, Zhejiang Province in December 2014. Then, silicon, phytoliths, and PhytOC were analyzed with a correlation analysis. Results of silicon, phytoliths, and PhytOC mass fraction showed that PhytOC content (in gkg-1) of aboveground litter was (4.28)>leaf (3.16)>branch (0.28)>stalk (0.04). The total accumulation of PhytOC was 22.64 kghm-2 with an order (in kghm-2) of leaf (13.22)>litter (5.74)>branch (2.71)>stalk (0.96). Also, reserve stocks of PhytOC were 1 302.60 kghm-2 in the 0-100 cm soil depth. A highly significant correlation (P<0.01, R2=0.96) was found between silicon and phytolith concentration; a significant correlation (P<0.05, R2= 0.62) was revealed for phytolith and PhytOC concentration in plants; and a highly significant correlation (P<0.01, R2= 0.80) was shown with PhytOC and total organic carbon in soils. This results shows that the content of PhytOC depend on silicon and phytolith in plants, and related to total organic carbon in soils. [Ch, 4 fig. 3 tab. 33 ref.]

YANG Jie, XIANG Tingting, JIANG Peikun, WU Jiasen, KE Hejia. Phytolith-occluded organic carbon accumulation and distribution in a Dendrocalamopsis oldhami bamboo stand ecosystem[J]. Journal of Zhejiang A&F University, 2016, 33(2): 225-231. doi: 10.11833/j.issn.2095-0756.2016.02.006
Citation: YANG Jie, XIANG Tingting, JIANG Peikun, WU Jiasen, KE Hejia. Phytolith-occluded organic carbon accumulation and distribution in a Dendrocalamopsis oldhami bamboo stand ecosystem[J]. Journal of Zhejiang A&F University, 2016, 33(2): 225-231. doi: 10.11833/j.issn.2095-0756.2016.02.006

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