Nitrogen oxide emissions from soils following clearing of secondary tropical forest

Keller, M; Weitz, A M; Veldkamp, E

Title: Nitrogen oxide emissions from soils following clearing of secondary tropical forest

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Abstract

Each year 20 to 60 million ha of tropical land are cleared and burned in preparation for shifting cultivation or permanent agricultural use. We observed nitrogen oxide fluxes from secondary forest soils on two soil types, a fertile Andisol and a less fertile Inceptisol. Monthly sampling began in July 1993. Following forest clearing in February and March 1994 we sampled more frequently to observe variations associated with the stages of clearing. Emissions from soils under secondary forest averaged 1.1 ng-N cm{sup {minus}2} h{sup {minus}1} for NO and 1.5 ng-N cm{sup {minus}2}h{sup {minus}1} for N{sub 2}O with no significant difference between the two soil types. After cutting, while vegetation dried, fluxes of N{sub 2}O and NO increased. Both NO and N{sub 2}O emissions peak immediately after burning (38 ng-N cm{sup {minus}2}h{sup {minus}1} for No and 123 ng-N cm{sup {minus}2}h{sup {minus}1} for N{sub 2}O on the Andisol and 41 nl-N cm{sup {minus}2}h{sup {minus}1} for N{sub 2}FO on the Inceptisol). Peak emissions decline within 2 days after burning. Post burn fluxes are higher than emissions from adjacent forest sites. Soil nitrogen oxide emission is a minor component of nitrogen loss following secondary tropical forest clearing.

Authors:

Keller, M; Weitz, A M; Veldkamp, E ^[1]

USDA Forest Service, Rio Piedras (Puerto Rico)

Publication Date:: Fri Sep 01 00:00:00 EDT 1995

OSTI Identifier:: 107110

Report Number(s):: CONF-9507129-
Journal ID: BECLAG; ISSN 0012-9623; TRN: 95:006512-0026

Resource Type:: Journal Article

Journal Name:: Bulletin of the Ecological Society of America

Additional Journal Information:: Journal Volume: 76; Journal Issue: 3; Conference: 80. anniversary of the transdisciplinary nature of ecology, Snowbird, UT (United States), 30 Jul - 3 Aug 1995; Other Information: PBD: Sep 1995

Country of Publication:: United States

Language:: English

Subject:: 54 ENVIRONMENTAL SCIENCES; SOILS; EMISSION; TROPICAL REGIONS; DEFORESTATION; NITROGEN OXIDES; ECOLOGICAL CONCENTRATION

Citation Formats


                    Keller, M, Weitz, A M, Veldkamp, E, and USA and Organization for Tropical Studies, Puerto Viejo de Sarapiqui. Nitrogen oxide emissions from soils following clearing of secondary tropical forest.  United States: N. p., 1995. 
        Web.

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                    Keller, M, Weitz, A M, Veldkamp, E, & USA and Organization for Tropical Studies, Puerto Viejo de Sarapiqui. Nitrogen oxide emissions from soils following clearing of secondary tropical forest.  United States.

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                    Keller, M, Weitz, A M, Veldkamp, E, and USA and Organization for Tropical Studies, Puerto Viejo de Sarapiqui. 1995.  
        "Nitrogen oxide emissions from soils following clearing of secondary tropical forest".  United States.

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@article{osti_107110,

  title        = {Nitrogen oxide emissions from soils following clearing of secondary tropical forest},

  author       = {Keller, M and Weitz, A M and Veldkamp, E and USA and Organization for Tropical Studies, Puerto Viejo de Sarapiqui},

  abstractNote = {Each year 20 to 60 million ha of tropical land are cleared and burned in preparation for shifting cultivation or permanent agricultural use. We observed nitrogen oxide fluxes from secondary forest soils on two soil types, a fertile Andisol and a less fertile Inceptisol. Monthly sampling began in July 1993. Following forest clearing in February and March 1994 we sampled more frequently to observe variations associated with the stages of clearing. Emissions from soils under secondary forest averaged 1.1 ng-N cm{sup {minus}2} h{sup {minus}1} for NO and 1.5 ng-N cm{sup {minus}2}h{sup {minus}1} for N{sub 2}O with no significant difference between the two soil types. After cutting, while vegetation dried, fluxes of N{sub 2}O and NO increased. Both NO and N{sub 2}O emissions peak immediately after burning (38 ng-N cm{sup {minus}2}h{sup {minus}1} for No and 123 ng-N cm{sup {minus}2}h{sup {minus}1} for N{sub 2}O on the Andisol and 41 nl-N cm{sup {minus}2}h{sup {minus}1} for N{sub 2}FO on the Inceptisol). Peak emissions decline within 2 days after burning. Post burn fluxes are higher than emissions from adjacent forest sites. Soil nitrogen oxide emission is a minor component of nitrogen loss following secondary tropical forest clearing.},

  doi          = {},

  url          = {https://www.osti.gov/biblio/107110},
  journal      = {Bulletin of the Ecological Society of America},
number       = 3,

  volume       = 76,

  place        = {United States},

  year         = {Fri Sep 01 00:00:00 EDT 1995},

  month        = {Fri Sep 01 00:00:00 EDT 1995}

}

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