Matrix-bound phosphine in Antarctic biosphere

Chemosphere
Renbin ZhuXiaorong Wang

Abstract

Phosphine (PH(3)) is a natural gaseous carrier of phosphorus in its geochemical cycles, and it might be of importance to the phosphorus balance of natural ecosystem. For the first time phosphine levels were investigated in the Earth's coldest, driest, and most southerly Antarctic biosphere. Matrix-bound phosphine (MBP) was found in sea animal guanos, ornithogenic sediments and soils. Phosphine concentrations varied with different sea animal guanos. Average phosphine concentrations in empire penguin, gentoo penguin, sea lion, skua and gull guanos were 2.54+/-1.28 ng kg(-1), 6.21+/-2.15 ng kg(-1), 9.12+/-4.66 ng kg(-1), 11.90+/-1.29 ng kg(-1) and 14.55+/-6.74 ng kg(-1), respectively. The contents of phosphorus in these various matrixes have an important effect on MBP concentrations. The levels of phosphine appeared an increasing tendency with the content of TP, IP and OP in sea animal guanos, ornithogenic sediments or soils. The correlation between PH(3) and Fe, Mn, Al in these matrixes was also analyzed and discussed. Phosphine showed an obviously positive correlation with Fe in sea animal guanos. However, excessively high Fe, Al and Mn may inhibit the formation of PH(3) in the ornithogenic soils or sediments in the Antarctic bi...Continue Reading

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Citations

Mar 2, 2011·Journal of Environmental Monitoring : JEM·Chao HanShixiang Gao
Nov 26, 2010·Chemosphere·Chao HanShixiang Gao
Jul 20, 2010·Journal of Hazardous Materials·Yuning HongHongqiang Ren
May 1, 2009·Journal of Environmental Sciences (China)·Renbin ZhuJinju Geng
Nov 13, 2010·Environmental Pollution·Chao HanDietmar Glindemann
Jan 25, 2018·Nature Communications·Xosé Luis OteroMiguel Angel Huerta-Diaz
Nov 23, 2019·Astrobiology·Clara Sousa-SilvaWilliam Bains
Dec 24, 2018·The Science of the Total Environment·William BainsSara Seager

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