Nitrogen dynamics in the mangrove sediments affected by crabs in the intertidal regions

Crab is an important benthonic animal in mangrove ecosystem, however, the potential function of crabs on nitrogen (N) transformation in mangrove ecosystems is still poorly understood. The present study aimed to explore the potential effect of crab burrows on nitrification/denitrification within the...

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 29(2020), 6 vom: 24. Aug., Seite 669-675
1. Verfasser: Cheng, Hao (VerfasserIn)
Weitere Verfasser: Jiang, Zhao-Yu, Ma, Xiao-Xia, Wang, You-Shao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article AOA and AOB Crab Denitrification Mangrove ecosystems Nitrification Nitrogen N762921K75
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520 |a Crab is an important benthonic animal in mangrove ecosystem, however, the potential function of crabs on nitrogen (N) transformation in mangrove ecosystems is still poorly understood. The present study aimed to explore the potential effect of crab burrows on nitrification/denitrification within the sediments. The results showed that the presence of crab burrows could directly promote soil nitrification, the regions within more crab burrows appeared to possess higher nitrification. Higher AOA and AOB gene copies were also observed in the sediments surrounding crab burrows than those in the sediments without crab burrow. On the contrary, lower nirS copies, a denitrification related gene, were detected in the sediments surrounding crab burrows. In summary, the present study proposed new evidences of nitrification enhancement deriving by crabs, the presence of crabs might be significant in alleviating nitrification inhibition and benefits the growth of mangroves under tidal flooding 
650 4 |a Journal Article 
650 4 |a AOA and AOB 
650 4 |a Crab 
650 4 |a Denitrification 
650 4 |a Mangrove ecosystems 
650 4 |a Nitrification 
650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
700 1 |a Jiang, Zhao-Yu  |e verfasserin  |4 aut 
700 1 |a Ma, Xiao-Xia  |e verfasserin  |4 aut 
700 1 |a Wang, You-Shao  |e verfasserin  |4 aut 
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