메뉴 건너뛰기




Volumn 28, Issue 3, 2008, Pages 380-393

Environmental impacts of introducing grain legumes into European crop rotations

Author keywords

Crop rotation; Environmental impact; Grain legume; Life cycle assessment

Indexed keywords

BIOMASS; CEREAL; CLIMATE CHANGE; COMPARATIVE STUDY; CROP ROTATION; CROP YIELD; ENVIRONMENTAL IMPACT; FOSSIL FUEL; LEGUME; LIFE CYCLE ANALYSIS;

EID: 39149141345     PISSN: 11610301     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.eja.2007.11.004     Document Type: Article
Times cited : (302)

References (44)
  • 2
    • 39149092832 scopus 로고    scopus 로고
    • AEP (Ed.), 2006. Grain legumes and the environment: how to assess benefits and impacts? AEP Workshop, Zurich, November 18-19, 2004. AEP and FAL, p. 226.
    • AEP (Ed.), 2006. Grain legumes and the environment: how to assess benefits and impacts? AEP Workshop, Zurich, November 18-19, 2004. AEP and FAL, p. 226.
  • 3
    • 39149107586 scopus 로고    scopus 로고
    • Altieri, M., Pengue, W., 2006. GM soybean: Latin America's new colonizer. Seedling. http://www.grain.org/seedling (January 2006).
    • Altieri, M., Pengue, W., 2006. GM soybean: Latin America's new colonizer. Seedling. http://www.grain.org/seedling (January 2006).
  • 4
    • 26444570872 scopus 로고    scopus 로고
    • Nitrate leaching in intensive agriculture in northern France: effect of farming practices, soils and crop rotations
    • Beaudoin N., Saad J.K., Van Laethem C., Machet J.M., Maucorps J., and Mary B. Nitrate leaching in intensive agriculture in northern France: effect of farming practices, soils and crop rotations. Agric. Ecosyst. Environ. 111 (2005) 292-310
    • (2005) Agric. Ecosyst. Environ. , vol.111 , pp. 292-310
    • Beaudoin, N.1    Saad, J.K.2    Van Laethem, C.3    Machet, J.M.4    Maucorps, J.5    Mary, B.6
  • 5
    • 39149137348 scopus 로고    scopus 로고
    • Carrouée, B., Aveline, A., Biarnes, V., Charles, R., Crozat, Y., Jensen, E. S., Laurent, F., Munier-Jolain, N., Thévenet, G., Viaux, P., 2002. Effets environnementaux des protéagineux dans les rotations de grandes cultures. Working Document, UNIP, ITCF, INRA, ESA, Paris, p. 32.
    • Carrouée, B., Aveline, A., Biarnes, V., Charles, R., Crozat, Y., Jensen, E. S., Laurent, F., Munier-Jolain, N., Thévenet, G., Viaux, P., 2002. Effets environnementaux des protéagineux dans les rotations de grandes cultures. Working Document, UNIP, ITCF, INRA, ESA, Paris, p. 32.
  • 6
    • 39149120981 scopus 로고    scopus 로고
    • Carrouée, B., Bourgeais, E., Aveline, A., 2006. Nitrate leaching related to dry pea in arable crop rotations. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts, Zurich, November 18-19, 2004. AEP and FAL, pp. 117-124.
    • Carrouée, B., Bourgeais, E., Aveline, A., 2006. Nitrate leaching related to dry pea in arable crop rotations. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts, Zurich, November 18-19, 2004. AEP and FAL, pp. 117-124.
  • 7
    • 39149135383 scopus 로고    scopus 로고
    • Cederberg, C., Flysjö, A., 2004. Environmental assessment of future pig farming systems - quantifications of three scenarios from the FOOD 21 synthesis work. SIK - The Swedish Institute for Food and Biotechnology, Göteborg; SIK-rapport 723, p. 64.
    • Cederberg, C., Flysjö, A., 2004. Environmental assessment of future pig farming systems - quantifications of three scenarios from the FOOD 21 synthesis work. SIK - The Swedish Institute for Food and Biotechnology, Göteborg; SIK-rapport 723, p. 64.
  • 8
    • 39149141692 scopus 로고    scopus 로고
    • Environmental impact related to nitrogenous emissions from crop of peas and wheat
    • Charles R., and Gosse G. Environmental impact related to nitrogenous emissions from crop of peas and wheat. Grain Legumes 36 (2002) 20
    • (2002) Grain Legumes , vol.36 , pp. 20
    • Charles, R.1    Gosse, G.2
  • 9
    • 39149125609 scopus 로고    scopus 로고
    • A standardised method to assess the environmental impact of grain legumes
    • Charles R., and Nemecek T. A standardised method to assess the environmental impact of grain legumes. Grain Legumes 36 (2002) 18-19
    • (2002) Grain Legumes , vol.36 , pp. 18-19
    • Charles, R.1    Nemecek, T.2
  • 10
    • 39149126133 scopus 로고    scopus 로고
    • Pois protéagineux et azote dans la rotation
    • Charles R., and Vullioud P. Pois protéagineux et azote dans la rotation. Revue Suisse d'Agriculture 33 6 (2001) 265-270
    • (2001) Revue Suisse d'Agriculture , vol.33 , Issue.6 , pp. 265-270
    • Charles, R.1    Vullioud, P.2
  • 11
    • 39149138598 scopus 로고    scopus 로고
    • Crépon K., 2006. Protein supply in Europe and the challenge to increase grain legumes production: a contribution of sustainable agriculture. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts, Zurich, November 18-19, 2004. AEP & FAL, Paris, pp. 13-16.
    • Crépon K., 2006. Protein supply in Europe and the challenge to increase grain legumes production: a contribution of sustainable agriculture. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts, Zurich, November 18-19, 2004. AEP & FAL, Paris, pp. 13-16.
  • 12
    • 1842716900 scopus 로고    scopus 로고
    • Legume versus fertilizer sources of nitrogen: ecological tradeoffs and human needs
    • Crews T.E., and Peoples M.B. Legume versus fertilizer sources of nitrogen: ecological tradeoffs and human needs. Agric. Ecosyst. Environ. 102 (2004) 279-297
    • (2004) Agric. Ecosyst. Environ. , vol.102 , pp. 279-297
    • Crews, T.E.1    Peoples, M.B.2
  • 13
    • 39149144155 scopus 로고    scopus 로고
    • DZV, 1998. Verordnung über die Direktzahlungen an die Landwirtschaft, Direktzahlungsverordnung, DZV, Bern, p. 46.
    • DZV, 1998. Verordnung über die Direktzahlungen an die Landwirtschaft, Direktzahlungsverordnung, DZV, Bern, p. 46.
  • 14
    • 14644415991 scopus 로고    scopus 로고
    • Environmental systems analysis of pig production-the impact of feed choice
    • Eriksson I.S., Elmquist H., Stern S., and Nybrant T. Environmental systems analysis of pig production-the impact of feed choice. Int. J. LCA 10 2 (2005) 143-154
    • (2005) Int. J. LCA , vol.10 , Issue.2 , pp. 143-154
    • Eriksson, I.S.1    Elmquist, H.2    Stern, S.3    Nybrant, T.4
  • 15
    • 39149127459 scopus 로고    scopus 로고
    • Freiermuth, R., 2006. Modell zur Berechnung der Schwermetallflüsse in der Landwirtschaftlichen Ökobilanz. Report Agroscope FAL Reckenholz, p. 42. Online at http://www.art.admin.ch/themen/00617/00744/index.html?lang=en.
    • Freiermuth, R., 2006. Modell zur Berechnung der Schwermetallflüsse in der Landwirtschaftlichen Ökobilanz. Report Agroscope FAL Reckenholz, p. 42. Online at http://www.art.admin.ch/themen/00617/00744/index.html?lang=en.
  • 16
    • 39149140201 scopus 로고    scopus 로고
    • Frischknecht, R., Jungbluth, N., Althaus, H.-J., Doka, G., Hellweg, S., Hischier, R., Nemecek, T., Rebitzer, G., Spielmann, M., 2004a. Overview and Methodology-ecoinvent data v1.1. Swiss Centre for Life Cycle Inventories (ecoinvent), Dübendorf. Ecoinvent Report 1, p. 75.
    • Frischknecht, R., Jungbluth, N., Althaus, H.-J., Doka, G., Hellweg, S., Hischier, R., Nemecek, T., Rebitzer, G., Spielmann, M., 2004a. Overview and Methodology-ecoinvent data v1.1. Swiss Centre for Life Cycle Inventories (ecoinvent), Dübendorf. Ecoinvent Report 1, p. 75.
  • 17
    • 39149091861 scopus 로고    scopus 로고
    • Frischknecht, R., Jungbluth, N., Althaus, H.-J., Doka, G., Hellweg, S., Hischier, R., Nemecek, T., Margni, M., Spielmann, M., 2004b. Implementation of life cycle assessment methods-ecoinvent data v1.1. Swiss Centre for Life Cycle Inventories (ecoinvent), Dübendorf. Ecoinvent Report 3, p. 116.
    • Frischknecht, R., Jungbluth, N., Althaus, H.-J., Doka, G., Hellweg, S., Hischier, R., Nemecek, T., Margni, M., Spielmann, M., 2004b. Implementation of life cycle assessment methods-ecoinvent data v1.1. Swiss Centre for Life Cycle Inventories (ecoinvent), Dübendorf. Ecoinvent Report 3, p. 116.
  • 18
    • 39149122978 scopus 로고    scopus 로고
    • Fuhrer, J., 2006. Environmental aspects of the nitrogen cycle in legume-based cropping systems. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts? Zurich, November 18-19, 2004. AEP and FAL, pp. 85-91.
    • Fuhrer, J., 2006. Environmental aspects of the nitrogen cycle in legume-based cropping systems. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts? Zurich, November 18-19, 2004. AEP and FAL, pp. 85-91.
  • 19
    • 39149109763 scopus 로고    scopus 로고
    • GL-Pro, 2005. Guidelines for growing grain legumes in Europe. GL-Pro Concerted Action, p. 8.
    • GL-Pro, 2005. Guidelines for growing grain legumes in Europe. GL-Pro Concerted Action, p. 8.
  • 21
    • 0344389122 scopus 로고    scopus 로고
    • Environmental assessment of products
    • Chapman and Hall, London p. 565
    • Hauschild M., and Wenzel H. Environmental assessment of products. Scientific Background vol. 2 (1998), Chapman and Hall, London p. 565
    • (1998) Scientific Background , vol.2
    • Hauschild, M.1    Wenzel, H.2
  • 22
    • 39149114234 scopus 로고    scopus 로고
    • IPCC, 2001. Climate Change 2001: the scientific basis. In: Houghton, J.T., et al. Third Assessment Report of the Intergovernmental Panel on Climate Change (IPCC). IPCC, Intergovernmental Panel on Climate Change, Cambridge University Press, Cambridge, UK.
    • IPCC, 2001. Climate Change 2001: the scientific basis. In: Houghton, J.T., et al. Third Assessment Report of the Intergovernmental Panel on Climate Change (IPCC). IPCC, Intergovernmental Panel on Climate Change, Cambridge University Press, Cambridge, UK.
  • 23
    • 39149143816 scopus 로고    scopus 로고
    • IPCC, 2006. In: Eggleston, H.S., Buendia, L., Miwa, K., Ngara, T., Tanabe, K. (Eds.), 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Prepared by the National Greenhouse Gas Inventories Programme. IGES, Japan.
    • IPCC, 2006. In: Eggleston, H.S., Buendia, L., Miwa, K., Ngara, T., Tanabe, K. (Eds.), 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Prepared by the National Greenhouse Gas Inventories Programme. IGES, Japan.
  • 24
    • 39149118152 scopus 로고    scopus 로고
    • ISO, 1997. ISO 14040 - Environmental management - Life cycle assessment - Principles and framework, p. 14.
    • ISO, 1997. ISO 14040 - Environmental management - Life cycle assessment - Principles and framework, p. 14.
  • 25
    • 39149096398 scopus 로고    scopus 로고
    • Jeanneret, P., Baumgartner, D., Freiermuth, R., Gaillard, G., 2006. Méthode d'évaluation de l'impact des activités agricoles sur la biodiversité dans les bilans écologiques - SALCA-BD. Agroscope FAL Reckenholz, p. 67. Online at http://www.art.admin.ch/themen/00617/00744/index.html?lang=en.
    • Jeanneret, P., Baumgartner, D., Freiermuth, R., Gaillard, G., 2006. Méthode d'évaluation de l'impact des activités agricoles sur la biodiversité dans les bilans écologiques - SALCA-BD. Agroscope FAL Reckenholz, p. 67. Online at http://www.art.admin.ch/themen/00617/00744/index.html?lang=en.
  • 27
    • 39149119773 scopus 로고    scopus 로고
    • Jensen, E. S., 2006. Grain legume functions in crop rotations. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts, Zurich, November 18-19, 2004. AEP and FAL, pp. 49-54.
    • Jensen, E. S., 2006. Grain legume functions in crop rotations. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts, Zurich, November 18-19, 2004. AEP and FAL, pp. 49-54.
  • 28
    • 39149146014 scopus 로고    scopus 로고
    • Köpke, U., 1996. Symbiotische Stickstofffixierung und Vorfruchtwirkung von Ackerbohnen (Vicia faba L.). Verlag Dr. Köster, Berlin; Schriftenreihe Institut für Organischen Landbau.
    • Köpke, U., 1996. Symbiotische Stickstofffixierung und Vorfruchtwirkung von Ackerbohnen (Vicia faba L.). Verlag Dr. Köster, Berlin; Schriftenreihe Institut für Organischen Landbau.
  • 29
    • 39149131851 scopus 로고    scopus 로고
    • Menzi, H., Frick, R., Kaufmann, R., 1997. Ammoniak-Emissionen in der Schweiz: Ausmass und technische Beurteilung des Reduktionspotentials. Eidgenössische Forschungsanstalt für Agrarökologie und Landbau, Zürich-Reckenholz; Schriftenreihe der FAL 26, p. 107.
    • Menzi, H., Frick, R., Kaufmann, R., 1997. Ammoniak-Emissionen in der Schweiz: Ausmass und technische Beurteilung des Reduktionspotentials. Eidgenössische Forschungsanstalt für Agrarökologie und Landbau, Zürich-Reckenholz; Schriftenreihe der FAL 26, p. 107.
  • 30
    • 39149094442 scopus 로고    scopus 로고
    • The long-term impact of grain legumes on the environment: possibilities for reducing herbicides
    • Munier-Jolain N. The long-term impact of grain legumes on the environment: possibilities for reducing herbicides. Grain Legumes 36 (2002) 16-17
    • (2002) Grain Legumes , vol.36 , pp. 16-17
    • Munier-Jolain, N.1
  • 31
    • 39149132634 scopus 로고    scopus 로고
    • Munier-Jolain, N., Collard, A., 2006. Grain legumes and weed management in crop rotations: opportunities and methodologies for reducing environmental impacts of weed control. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts? Zurich, November 18-19, 2004. AEP and FAL, pp. 67-72.
    • Munier-Jolain, N., Collard, A., 2006. Grain legumes and weed management in crop rotations: opportunities and methodologies for reducing environmental impacts of weed control. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts? Zurich, November 18-19, 2004. AEP and FAL, pp. 67-72.
  • 32
    • 39149115228 scopus 로고    scopus 로고
    • Nemecek, T., Baumgartner, D., 2006. Environmental impacts of introducing grain legumes into European crop rotations and pig feed formulas. Concerted Action GL-Pro, Final report WP4. Agroscope Reckenholz-Tänikon Research Station ART, p. 63. Online at http://www.art.admin.ch/themen/00617/00789/index.html?lang=en.
    • Nemecek, T., Baumgartner, D., 2006. Environmental impacts of introducing grain legumes into European crop rotations and pig feed formulas. Concerted Action GL-Pro, Final report WP4. Agroscope Reckenholz-Tänikon Research Station ART, p. 63. Online at http://www.art.admin.ch/themen/00617/00789/index.html?lang=en.
  • 33
    • 19944410113 scopus 로고    scopus 로고
    • Modelling representative life cycle inventories for Swiss arable crops
    • Nemecek T., and Erzinger S. Modelling representative life cycle inventories for Swiss arable crops. Int. J. LCA 10 (2005) 68-76
    • (2005) Int. J. LCA , vol.10 , pp. 68-76
    • Nemecek, T.1    Erzinger, S.2
  • 34
    • 11144235240 scopus 로고    scopus 로고
    • Comparing farming systems at crop rotation level by LCA.
    • Geerken T., Mattsson B., Olsson P., and Johansson E. (Eds). Gothenburg. SIK, VITO, Gothenburg
    • Nemecek T., Frick C., Dubois D., and Gaillard G. Comparing farming systems at crop rotation level by LCA. In: Geerken T., Mattsson B., Olsson P., and Johansson E. (Eds). Proceedings of the International Conference on LCA in Foods, April 26-27, 2001. Gothenburg. SIK, VITO, Gothenburg (2001) 65-69
    • (2001) Proceedings of the International Conference on LCA in Foods, April 26-27, 2001 , pp. 65-69
    • Nemecek, T.1    Frick, C.2    Dubois, D.3    Gaillard, G.4
  • 35
    • 39149085171 scopus 로고    scopus 로고
    • Nemecek, T., Heil, A., Huguenin, O., Meier, S. Erzinger, S., Blaser, S., Dux, D., Zimmermann, A., 2004. Life cycle inventories of agricultural production systems - ecoinvent data v1.1. Swiss Centre for Life Cycle Inventories, Dübendorf, CH. Ecoinvent Report 15, p. 289.
    • Nemecek, T., Heil, A., Huguenin, O., Meier, S. Erzinger, S., Blaser, S., Dux, D., Zimmermann, A., 2004. Life cycle inventories of agricultural production systems - ecoinvent data v1.1. Swiss Centre for Life Cycle Inventories, Dübendorf, CH. Ecoinvent Report 15, p. 289.
  • 36
    • 39149131195 scopus 로고    scopus 로고
    • Nemecek, T., Huguenin-Elie, O., Dubois, D., Gaillard, G., 2005. Ökobilanzierung von Anbausystemen im schweizerischen Acker - und Futterbau. Agroscope FAL Reckenholz, Zürich. Schriftenreihe der FAL 58, p. 155.
    • Nemecek, T., Huguenin-Elie, O., Dubois, D., Gaillard, G., 2005. Ökobilanzierung von Anbausystemen im schweizerischen Acker - und Futterbau. Agroscope FAL Reckenholz, Zürich. Schriftenreihe der FAL 58, p. 155.
  • 37
    • 39149111412 scopus 로고    scopus 로고
    • Oberholzer, H.-R., Weisskopf, P., Gaillard, G., Weiss, F., Freiermuth, R., 2006. Methode zur Beurteilung der Wirkungen landwirtschaftlicher Bewirtschaftung auf die Bodenqualität in Ökobilanzen - SALCA-SQ. Agroscope FAL Reckenholz, p. 98. Online at http://www.art.admin.ch/themen/00617/00744/index.html?lang=en.
    • Oberholzer, H.-R., Weisskopf, P., Gaillard, G., Weiss, F., Freiermuth, R., 2006. Methode zur Beurteilung der Wirkungen landwirtschaftlicher Bewirtschaftung auf die Bodenqualität in Ökobilanzen - SALCA-SQ. Agroscope FAL Reckenholz, p. 98. Online at http://www.art.admin.ch/themen/00617/00744/index.html?lang=en.
  • 38
    • 39149083568 scopus 로고    scopus 로고
    • 4-Austräge für die Ökobilanzierung - SALCA-Phosphor, Zürich, p. 22. Online at http://www.art.admin.ch/themen/00617/00744/index.html?lang=en.
    • 4-Austräge für die Ökobilanzierung - SALCA-Phosphor, Zürich, p. 22. Online at http://www.art.admin.ch/themen/00617/00744/index.html?lang=en.
  • 39
    • 39149105110 scopus 로고    scopus 로고
    • Richner, W., Oberholzer, H.-R., Freiermuth, R., Walther, U., 2006. Modell zur Beurteilung des Nitratauswaschungspotenzials in Ökobilanzen - SALCA-NO3. Unter Berücksichtigung der Bewirtschaftung (Fruchtfolge, Bodenbearbeitung, N-Düngung), der mikrobiellen Nitratbildung im Boden, der Stickstoffaufnahme durch die Pflanzen und verschiedener Bodeneigenschaften. Agroscope FAL Reckenholz, p. 25. Online at http://www.art.admin.ch/themen/00617/00744/index.html?lang=en.
    • Richner, W., Oberholzer, H.-R., Freiermuth, R., Walther, U., 2006. Modell zur Beurteilung des Nitratauswaschungspotenzials in Ökobilanzen - SALCA-NO3. Unter Berücksichtigung der Bewirtschaftung (Fruchtfolge, Bodenbearbeitung, N-Düngung), der mikrobiellen Nitratbildung im Boden, der Stickstoffaufnahme durch die Pflanzen und verschiedener Bodeneigenschaften. Agroscope FAL Reckenholz, p. 25. Online at http://www.art.admin.ch/themen/00617/00744/index.html?lang=en.
  • 40
    • 39149112913 scopus 로고    scopus 로고
    • Schmid, M., Neftel, A., Fuhrer, J., 2000. Lachgasemissionen aus der Schweizer Landwirtschaft. FAL; Schriftenreihe der FAL 33, p. 131.
    • Schmid, M., Neftel, A., Fuhrer, J., 2000. Lachgasemissionen aus der Schweizer Landwirtschaft. FAL; Schriftenreihe der FAL 33, p. 131.
  • 41
    • 39149101969 scopus 로고    scopus 로고
    • Smith, K. A., 2006. Nitrous oxide emissions from grain legume crops. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts, Zurich, November 18-19, 2004. AEP and FAL, Paris, pp. 93-98.
    • Smith, K. A., 2006. Nitrous oxide emissions from grain legume crops. In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts, Zurich, November 18-19, 2004. AEP and FAL, Paris, pp. 93-98.
  • 42
    • 11144330672 scopus 로고    scopus 로고
    • The environmental impacts of the production of concentrated feed: The case of pig feed in Bretagne
    • van der Werf H., Petit J., and Sanders J. The environmental impacts of the production of concentrated feed: The case of pig feed in Bretagne. Agric. Syst. 83 (2005) 153-177
    • (2005) Agric. Syst. , vol.83 , pp. 153-177
    • van der Werf, H.1    Petit, J.2    Sanders, J.3
  • 43
    • 39149100122 scopus 로고    scopus 로고
    • Vocanson, A., Jeuffroy, M. H., Grandeau, G., Le Fouillen, B., 2006. Introducing winter pea in crop rotations: a solution to improve nitrogen budget? In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts, Zurich, November 18-19, 2004. AEP and FAL, pp. 193-195.
    • Vocanson, A., Jeuffroy, M. H., Grandeau, G., Le Fouillen, B., 2006. Introducing winter pea in crop rotations: a solution to improve nitrogen budget? In: AEP (Ed.), Grain legumes and the environment: how to assess benefits and impacts, Zurich, November 18-19, 2004. AEP and FAL, pp. 193-195.
  • 44
    • 39149103858 scopus 로고    scopus 로고
    • von Richthofen, J.S., Pahl, H., Nemecek, T., Odermatt, O., Charles, R., Casta, P., Sombrero, A., Lafarga, A., Dubois, G., 2006. Economic interest of grain legumes in European crop rotations. GL-Pro Report, WP3.
    • von Richthofen, J.S., Pahl, H., Nemecek, T., Odermatt, O., Charles, R., Casta, P., Sombrero, A., Lafarga, A., Dubois, G., 2006. Economic interest of grain legumes in European crop rotations. GL-Pro Report, WP3.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.