SunZhangSongEtAl2013

Référence

Sun, H., Zhang, C., Song, C., Chang, S.X., Gu, B., Chen, Z., Peng, C., Chang, J. and Ge, Y. (2013) The effects of plant diversity on nitrous oxide emissions in hydroponic microcosms. Atmospheric Environment, 77:544-547. (Scopus )

Résumé

Previous studies have shown that plant diversity can improve the wastewater purification efficiency of constructed wetlands (CWs), but its effect on the nitrous oxide (N2O) emission in CWs has been unknown. To investigate the effect of plant diversity on the N2O emission, we established four plant species richness levels (each level containing 1, 2, 3 and 4 species, respectively) by using 96 hydroponic microcosms. Results showed that plant species richness enhanced the N2O emission, ranging from 27.1 to 115.4µg N2O m-2 d-1, and improved nitrate removal (P<0.001). The presence of Phalaris arundinacea within a given plant community increased the N2O emission (P<0.001). The presence of Rumex japonicas had no influence on the N2O emissions (P>0.05), but improved nitrogen removal (P<0.001). Hence, our study highlights the importance of both plant species richness and species identity in mediating the N2O emission and nitrogen removal in CWs. © 2013 Elsevier Ltd.

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@ARTICLE { SunZhangSongEtAl2013,
    AUTHOR = { Sun, H. and Zhang, C. and Song, C. and Chang, S.X. and Gu, B. and Chen, Z. and Peng, C. and Chang, J. and Ge, Y. },
    TITLE = { The effects of plant diversity on nitrous oxide emissions in hydroponic microcosms },
    JOURNAL = { Atmospheric Environment },
    YEAR = { 2013 },
    VOLUME = { 77 },
    PAGES = { 544-547 },
    NOTE = { cited By (since 1996)1 },
    ABSTRACT = { Previous studies have shown that plant diversity can improve the wastewater purification efficiency of constructed wetlands (CWs), but its effect on the nitrous oxide (N2O) emission in CWs has been unknown. To investigate the effect of plant diversity on the N2O emission, we established four plant species richness levels (each level containing 1, 2, 3 and 4 species, respectively) by using 96 hydroponic microcosms. Results showed that plant species richness enhanced the N2O emission, ranging from 27.1 to 115.4µg N2O m-2 d-1, and improved nitrate removal (P<0.001). The presence of Phalaris arundinacea within a given plant community increased the N2O emission (P<0.001). The presence of Rumex japonicas had no influence on the N2O emissions (P>0.05), but improved nitrogen removal (P<0.001). Hence, our study highlights the importance of both plant species richness and species identity in mediating the N2O emission and nitrogen removal in CWs. © 2013 Elsevier Ltd. },
    AUTHOR_KEYWORDS = { Constructed wetlands; N2O emission; Nitrogen removal; Plant species richness },
    CODEN = { AENVE },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1016/j.atmosenv.2013.05.058 },
    ISSN = { 13522310 },
    KEYWORDS = { Constructed wetlands; Constructed wetlands (CWs); Nitrous oxide emissions; Phalaris arundinacea; Plant communities; Plant diversity; Plant species richness; Wastewater purification, Nitrogen removal; Wetlands, Nitrogen oxides, nitrous oxide, constructed wetland; grass; hydroponics; microcosm; nitrous oxide; plant community; pollution effect; purification; species diversity; species richness; wastewater, aerenchyma; article; bacterium transformation; concentration (parameters); denitrification; hydroponics; microcosm; nonhuman; plant community; priority journal; Rumex; species diversity; waste component removal; waste water, Phalaris arundinacea; Rumex },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84879514179&partnerID=40&md5=3cbc74881da68c3624671770aa7a5b5e },
}

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