Phytolith-occluded organic carbon as a mechanism for long-term carbon sequestration in a typical steppe: The predominant role of belowground productivity

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Phytolith-occluded organic carbon as a mechanism for long-term carbon sequestration in a typical steppe: The predominant role of belowground productivity

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作者：Limin Qi^a ; Frank Yonghong Li^a ; ^{lifyhong@126.com" class="auth_mail" title="E-mail the corresponding author} ; Zhangting Huang^b ; Peikun Jiang^b ; Taogetao Baoyin^a ; Hailong Wang^b
关键词：Carbon sequestration ; Grassland ; phytOC production ; ANPP ; BNPP
刊名：Science of the Total Environment
出版年：2017
出版时间：15 January 2017
年：2017
卷：577
期：Complete
页码：413-417
全文大小：469 K

文摘

class="label">•: Occlusion of organic carbon in phytolith (phytOC) is a mechanism for long-term C sequestration.
class="label">•: PhytOC content and production in the above and belowground parts of steppe plants were determined.
class="label">•: PhytOC concentration was significantly higher in below than above ground plant parts.
class="label">•: PhytOC production was at least one order of magnitude greater from below than above ground parts.
class="label">•: Belowground part plays a dominant role in biogeochemical silica cycle and C sequestration.