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Volumn 261, Issue 8, 2011, Pages 1401-1408

Fire intensity effects on seed germination of native and invasive Eastern deciduous forest understory plants

Author keywords

Litter; Microstegium vimineum; Prescribed fire; Seedbank

Indexed keywords

AMERICAN WATERS; DECIDUOUS FOREST; FIRE EFFECT; FIRE INTENSITY; FIRE SUPPRESSION; FIRE TEMPERATURES; FURNACE HEATS; GERMINATION RATES; GIGANTEA; LITTER; LOW TEMPERATURES; LOW-INTENSITY; MANAGEMENT TOOL; MICROSTEGIUM VIMINEUM; NATIVE PLANTS; NATIVE SPECIES; NON-NATIVE; NON-NATIVE SPECIES; PRESCRIBED FIRES; SEED GERMINATION; SEEDBANK; STANDARD MANAGEMENT PRACTICES;

EID: 79952038943     PISSN: 03781127     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.foreco.2011.01.024     Document Type: Article
Times cited : (32)

References (54)
  • 1
    • 0001101302 scopus 로고
    • Fire and the development of oak forests in eastern North America: oak distribution reflects a variety of ecological paths and disturbance conditions
    • Abrams M.D. Fire and the development of oak forests in eastern North America: oak distribution reflects a variety of ecological paths and disturbance conditions. Bioscience 1992, 42:346-353.
    • (1992) Bioscience , vol.42 , pp. 346-353
    • Abrams, M.D.1
  • 2
    • 26244436032 scopus 로고    scopus 로고
    • Prescribing fire in eastern oak forests: is time running out?
    • Abrams M.D. Prescribing fire in eastern oak forests: is time running out?. North J. Appl. For. 2005, 22:190-196.
    • (2005) North J. Appl. For. , vol.22 , pp. 190-196
    • Abrams, M.D.1
  • 3
    • 62049086219 scopus 로고    scopus 로고
    • Diversity declines in Microstegium vimineum (Japanese stiltgrass) patches
    • Adams S.N., Engelhardt K.A.M. Diversity declines in Microstegium vimineum (Japanese stiltgrass) patches. Biol. Conserv. 2009, 142:1003-1010.
    • (2009) Biol. Conserv. , vol.142 , pp. 1003-1010
    • Adams, S.N.1    Engelhardt, K.A.M.2
  • 4
    • 33645882209 scopus 로고    scopus 로고
    • Effects of prescribed fire and thinning on tree recruitment patterns in central hardwood forests
    • Albrecht M.A., McCarthy B.C. Effects of prescribed fire and thinning on tree recruitment patterns in central hardwood forests. Forest Ecol. Manage. 2006, 226:88-103.
    • (2006) Forest Ecol. Manage. , vol.226 , pp. 88-103
    • Albrecht, M.A.1    McCarthy, B.C.2
  • 5
    • 0023516542 scopus 로고
    • Invasion of Microstegium vimineum (Poaceae), an exotic, annual, shade-tolerant, C-4 grass, into a North-Carolina floodplain
    • Barden L.S. Invasion of Microstegium vimineum (Poaceae), an exotic, annual, shade-tolerant, C-4 grass, into a North-Carolina floodplain. Am. Midl. Nat. 1987, 118:40-45.
    • (1987) Am. Midl. Nat. , vol.118 , pp. 40-45
    • Barden, L.S.1
  • 7
    • 51349123173 scopus 로고    scopus 로고
    • Assessing ecosystem restoration alternatives in eastern deciduous forests: the view from belowground
    • Boerner R.E.J., Coates A.T., Yaussy D.A., Waldrop T.A. Assessing ecosystem restoration alternatives in eastern deciduous forests: the view from belowground. Restor. Ecol. 2008, 16:425-434.
    • (2008) Restor. Ecol. , vol.16 , pp. 425-434
    • Boerner, R.E.J.1    Coates, A.T.2    Yaussy, D.A.3    Waldrop, T.A.4
  • 9
    • 0035504421 scopus 로고    scopus 로고
    • Bringing fire back-the changing regimes of the Appalachian mixed-oak forests
    • Brose P., Schuler T., Van Lear D., Berst J. Bringing fire back-the changing regimes of the Appalachian mixed-oak forests. J. For. 2001, 99:30-35.
    • (2001) J. For. , vol.99 , pp. 30-35
    • Brose, P.1    Schuler, T.2    Van Lear, D.3    Berst, J.4
  • 10
    • 29144467991 scopus 로고    scopus 로고
    • Fire increases aboveground biomass, seed production and recruitment success of Molinia caerulea in dry heathland
    • Brys R., Jacquemyn H., De Blust G. Fire increases aboveground biomass, seed production and recruitment success of Molinia caerulea in dry heathland. Acta Oecol.: Int. J. Ecol. 2005, 28:299-305.
    • (2005) Acta Oecol.: Int. J. Ecol. , vol.28 , pp. 299-305
    • Brys, R.1    Jacquemyn, H.2    De Blust, G.3
  • 11
    • 3042576461 scopus 로고    scopus 로고
    • Modelling integrated weed management of an invasive shrub in tropical Australia
    • Buckley Y.M., Rees M., Paynter Q., Lonsdale M. Modelling integrated weed management of an invasive shrub in tropical Australia. J. Appl. Ecol. 2004, 41:547-560.
    • (2004) J. Appl. Ecol. , vol.41 , pp. 547-560
    • Buckley, Y.M.1    Rees, M.2    Paynter, Q.3    Lonsdale, M.4
  • 12
    • 25144497030 scopus 로고    scopus 로고
    • Biomass partitioning and reproductive allocation in the invasive, cleistogamous grass Microstegium vimineum: influence of the light environment
    • Cheplick G.P. Biomass partitioning and reproductive allocation in the invasive, cleistogamous grass Microstegium vimineum: influence of the light environment. J. Torrey Bot. Soc. 2005, 132:214-224.
    • (2005) J. Torrey Bot. Soc. , vol.132 , pp. 214-224
    • Cheplick, G.P.1
  • 13
    • 0002026586 scopus 로고    scopus 로고
    • Fire, plant invasions, and global changes
    • Island Press, Washington DC, H. Hobbs (Ed.)
    • D'Antonio C.M Fire, plant invasions, and global changes. Invasive Species in a Changing World 2000, Island Press, Washington DC. H. Hobbs (Ed.).
    • (2000) Invasive Species in a Changing World
    • D'Antonio, C.M.1
  • 14
    • 0027011403 scopus 로고
    • Biological invasions by exotic grasses, the grass/fire cycle, and global change
    • D'Antonio C.M., Vitousek P.M. Biological invasions by exotic grasses, the grass/fire cycle, and global change. Annu. Rev. Ecol. Systemat. 1992, 23:63-87.
    • (1992) Annu. Rev. Ecol. Systemat. , vol.23 , pp. 63-87
    • D'Antonio, C.M.1    Vitousek, P.M.2
  • 15
    • 1842406031 scopus 로고    scopus 로고
    • Pre-Columbian native American use of fire on southern Appalachian landscapes
    • Delcourt H.R., Delcourt P.A. Pre-Columbian native American use of fire on southern Appalachian landscapes. Conserv. Biol. 1997, 11:1010-1014.
    • (1997) Conserv. Biol. , vol.11 , pp. 1010-1014
    • Delcourt, H.R.1    Delcourt, P.A.2
  • 16
    • 0034792457 scopus 로고    scopus 로고
    • Changes in soil functions following invasions of exotic understory plants in deciduous forests
    • Ehrenfeld J.G., Kourtev P., Huang W.Z. Changes in soil functions following invasions of exotic understory plants in deciduous forests. Ecol. Appl. 2001, 11:1287-1300.
    • (2001) Ecol. Appl. , vol.11 , pp. 1287-1300
    • Ehrenfeld, J.G.1    Kourtev, P.2    Huang, W.Z.3
  • 17
    • 66149144336 scopus 로고    scopus 로고
    • Assessing the relative importance of disturbance, herbivory, diversity, and propagule pressure in exotic plant invasion
    • Eschtruth A.K., Battles J.J. Assessing the relative importance of disturbance, herbivory, diversity, and propagule pressure in exotic plant invasion. Ecol. Monogr. 2009, 79:265-280.
    • (2009) Ecol. Monogr. , vol.79 , pp. 265-280
    • Eschtruth, A.K.1    Battles, J.J.2
  • 18
    • 0003031109 scopus 로고
    • Microstegium vimineum (Trin.) A. Camus (Gramineae) in United States
    • Fairbrothers D., Gray J.R. Microstegium vimineum (Trin.) A. Camus (Gramineae) in United States. Bull. Torrey Botanical Club 1972, 99:97-100.
    • (1972) Bull. Torrey Botanical Club , vol.99 , pp. 97-100
    • Fairbrothers, D.1    Gray, J.R.2
  • 19
    • 73849095220 scopus 로고    scopus 로고
    • Nonchemical methods for managing Japanese stiltgrass (Microstegium vimineum)
    • Flory S.L., Lewis J. Nonchemical methods for managing Japanese stiltgrass (Microstegium vimineum). Invasive Plant Sci. Manage. 2009, 2:301-308.
    • (2009) Invasive Plant Sci. Manage. , vol.2 , pp. 301-308
    • Flory, S.L.1    Lewis, J.2
  • 20
    • 0038454200 scopus 로고
    • Stratification and temperature requirments for germination of autumn olive (Elaeagnus umbellata) seed
    • Fowler L.J., Fowler D.K. Stratification and temperature requirments for germination of autumn olive (Elaeagnus umbellata) seed. Tree Planters' Notes 1987, 38:14-17.
    • (1987) Tree Planters' Notes , vol.38 , pp. 14-17
    • Fowler, L.J.1    Fowler, D.K.2
  • 21
    • 0036655123 scopus 로고    scopus 로고
    • Life history of Microstegium vimineum (Poaceae), an invasive grass in southern Illinois
    • Gibson D.J., Spyreas G., Benedict J. Life history of Microstegium vimineum (Poaceae), an invasive grass in southern Illinois. J. Torrey Bot. Soc. 2002, 129:207-219.
    • (2002) J. Torrey Bot. Soc. , vol.129 , pp. 207-219
    • Gibson, D.J.1    Spyreas, G.2    Benedict, J.3
  • 22
    • 33845937748 scopus 로고    scopus 로고
    • The effects of prescribed burning and canopy openness on establishment of two non-native plant species in a deciduous forest, southeast Ohio, USA
    • Glasgow L.S., Matlack G.R. The effects of prescribed burning and canopy openness on establishment of two non-native plant species in a deciduous forest, southeast Ohio, USA. For. Ecol. Manage. 2007, 238:319-329.
    • (2007) For. Ecol. Manage. , vol.238 , pp. 319-329
    • Glasgow, L.S.1    Matlack, G.R.2
  • 23
    • 33845942740 scopus 로고    scopus 로고
    • Prescribed burning and understory composition in a temperate deciduous forest, Ohio, USA
    • Glasgow L.S., Matlack G.R. Prescribed burning and understory composition in a temperate deciduous forest, Ohio, USA. Forest Ecol. Manage. 2007, 238:54-64.
    • (2007) Forest Ecol. Manage. , vol.238 , pp. 54-64
    • Glasgow, L.S.1    Matlack, G.R.2
  • 25
    • 77952111807 scopus 로고    scopus 로고
    • Oak and red maple seedling survival and growth following periodic prescribed fire on xeric ridgetops on the Cumberland Plateau
    • Green S.R., Arthur M.A., Blankenship B.A. Oak and red maple seedling survival and growth following periodic prescribed fire on xeric ridgetops on the Cumberland Plateau. Forest Ecol. Manage. 2010, 259:2256-2266.
    • (2010) Forest Ecol. Manage. , vol.259 , pp. 2256-2266
    • Green, S.R.1    Arthur, M.A.2    Blankenship, B.A.3
  • 26
    • 27744555581 scopus 로고    scopus 로고
    • Landscape-scale positive feedbacks between fire and expansion of the large tussock grass, Ampelodesmos mauritanica in Catalan shrublands
    • Grigulis K., Lavorel S., Davies I.D., Dossantos A., Lloret F., Vila M. Landscape-scale positive feedbacks between fire and expansion of the large tussock grass, Ampelodesmos mauritanica in Catalan shrublands. Global Change Biol. 2005, 11:1042-1053.
    • (2005) Global Change Biol. , vol.11 , pp. 1042-1053
    • Grigulis, K.1    Lavorel, S.2    Davies, I.D.3    Dossantos, A.4    Lloret, F.5    Vila, M.6
  • 27
    • 0037263164 scopus 로고    scopus 로고
    • Seed size and germination response: a relationship for fire-following plant species exposed to thermal shock
    • Hanley M.E., Unna J.E., Darvill B. Seed size and germination response: a relationship for fire-following plant species exposed to thermal shock. Oecologia 2003, 134:18-22.
    • (2003) Oecologia , vol.134 , pp. 18-22
    • Hanley, M.E.1    Unna, J.E.2    Darvill, B.3
  • 28
    • 0031810537 scopus 로고    scopus 로고
    • Influence of heat on seed germination of seven Mediterranean Leguminosae species
    • Herranz J.M., Ferrandis P., Martinez-Sanchez J.J. Influence of heat on seed germination of seven Mediterranean Leguminosae species. Plant Ecol. 1998, 136:95-103.
    • (1998) Plant Ecol. , vol.136 , pp. 95-103
    • Herranz, J.M.1    Ferrandis, P.2    Martinez-Sanchez, J.J.3
  • 29
    • 34248187994 scopus 로고    scopus 로고
    • Effect of heat and ash treatments on germination of Pinus pinaster and Cistus laurifolius
    • Herrero C., San Martin R., Bravo F. Effect of heat and ash treatments on germination of Pinus pinaster and Cistus laurifolius. J. Arid Environ. 2007, 70:540-548.
    • (2007) J. Arid Environ. , vol.70 , pp. 540-548
    • Herrero, C.1    San Martin, R.2    Bravo, F.3
  • 31
    • 0036773812 scopus 로고    scopus 로고
    • Soil temperature and moisture fluctuations during and after prescribed fire in mixed-oak forests, USA
    • Iverson L.R., Hutchinson T.F. Soil temperature and moisture fluctuations during and after prescribed fire in mixed-oak forests, USA. Nat. Areas J. 2002, 22:296-304.
    • (2002) Nat. Areas J. , vol.22 , pp. 296-304
    • Iverson, L.R.1    Hutchinson, T.F.2
  • 32
    • 41949130945 scopus 로고    scopus 로고
    • Thinning, fire, and oak regeneration across a heterogeneous landscape in the eastern US: 7-year results
    • Iverson L.R., Hutchinson T.F., Prasad A.M., Peters M.P. Thinning, fire, and oak regeneration across a heterogeneous landscape in the eastern US: 7-year results. For. Ecol. Manage. 2008, 255:3035-3050.
    • (2008) For. Ecol. Manage. , vol.255 , pp. 3035-3050
    • Iverson, L.R.1    Hutchinson, T.F.2    Prasad, A.M.3    Peters, M.P.4
  • 33
    • 30944457708 scopus 로고    scopus 로고
    • Fire increases invasive spread of Molinia caerulea mainly through changes in demographic parameters
    • Jacquemyn H., Brys R., Neubert M.G. Fire increases invasive spread of Molinia caerulea mainly through changes in demographic parameters. Ecol. Appl. 2005, 15:2097-2108.
    • (2005) Ecol. Appl. , vol.15 , pp. 2097-2108
    • Jacquemyn, H.1    Brys, R.2    Neubert, M.G.3
  • 34
    • 84903324566 scopus 로고    scopus 로고
    • University Press of Kentucky, Lexington, KY
    • Jones R.L. Plant Life of Kentucky 2005, University Press of Kentucky, Lexington, KY.
    • (2005) Plant Life of Kentucky
    • Jones, R.L.1
  • 35
    • 33645131903 scopus 로고    scopus 로고
    • Fire management impacts on invasive plants in the western United States
    • Keeley J.E. Fire management impacts on invasive plants in the western United States. Conserv. Biol. 2006, 20:375-384.
    • (2006) Conserv. Biol. , vol.20 , pp. 375-384
    • Keeley, J.E.1
  • 36
    • 17844398985 scopus 로고    scopus 로고
    • The role of propagule pressure in explaining species invasions
    • Lockwood J.L., Cassey P., Blackburn T. The role of propagule pressure in explaining species invasions. Trends Ecol. Evol. 2005, 20:223-228.
    • (2005) Trends Ecol. Evol. , vol.20 , pp. 223-228
    • Lockwood, J.L.1    Cassey, P.2    Blackburn, T.3
  • 37
    • 0032080406 scopus 로고    scopus 로고
    • Impacts of biological invasions on disturbance regimes
    • Mack M.C., D'Antonio C.M. Impacts of biological invasions on disturbance regimes. Trends Ecol. Evol. 1998, 13:195-198.
    • (1998) Trends Ecol. Evol. , vol.13 , pp. 195-198
    • Mack, M.C.1    D'Antonio, C.M.2
  • 38
    • 0034954410 scopus 로고    scopus 로고
    • Effectiveness of fire, disking, and herbicide to renovate tall fescue fields to northern bobwhite habitat
    • Madison L.A., Barnes T.G., Sole J.D. Effectiveness of fire, disking, and herbicide to renovate tall fescue fields to northern bobwhite habitat. Wildl. Soc. Bull. 2001, 29:706-712.
    • (2001) Wildl. Soc. Bull. , vol.29 , pp. 706-712
    • Madison, L.A.1    Barnes, T.G.2    Sole, J.D.3
  • 39
    • 34848864257 scopus 로고    scopus 로고
    • Temporal and spatial patterns in fire occurrence during the establishment of mixed-oak forests in eastern North America
    • McEwan R.W., Hutchinson T.F., Long R.P., Ford D.R., McCarthy B.C. Temporal and spatial patterns in fire occurrence during the establishment of mixed-oak forests in eastern North America. J. Veg. Sci. 2007, 18:655-664.
    • (2007) J. Veg. Sci. , vol.18 , pp. 655-664
    • McEwan, R.W.1    Hutchinson, T.F.2    Long, R.P.3    Ford, D.R.4    McCarthy, B.C.5
  • 40
    • 34250895537 scopus 로고    scopus 로고
    • Ecological comparison of two co-invasive species in eastern deciduous forests: Alliaria petiolata and Microstegium vimineum
    • Morrison J.A., Lubchansky H.A., Mauck K.E., McCartney K.M., Dunn B. Ecological comparison of two co-invasive species in eastern deciduous forests: Alliaria petiolata and Microstegium vimineum. J. Torrey Bot. Soc. 2007, 134:1-17.
    • (2007) J. Torrey Bot. Soc. , vol.134 , pp. 1-17
    • Morrison, J.A.1    Lubchansky, H.A.2    Mauck, K.E.3    McCartney, K.M.4    Dunn, B.5
  • 41
    • 77953730771 scopus 로고    scopus 로고
    • Fire as a restoration tool: a decision framework for predicting the control or enhancement of plants using fire
    • Pyke D.A., Brooks M.L., D'Antonio C. Fire as a restoration tool: a decision framework for predicting the control or enhancement of plants using fire. Restor. Ecol. 2010, 18:274-284.
    • (2010) Restor. Ecol. , vol.18 , pp. 274-284
    • Pyke, D.A.1    Brooks, M.L.2    D'Antonio, C.3
  • 42
    • 63949083481 scopus 로고    scopus 로고
    • Germination behaviour of 14 Mediterranean species in relation to fire factors: smoke and heat
    • Reyes O., Trabaud L. Germination behaviour of 14 Mediterranean species in relation to fire factors: smoke and heat. Plant Ecol. 2009, 202:113-121.
    • (2009) Plant Ecol. , vol.202 , pp. 113-121
    • Reyes, O.1    Trabaud, L.2
  • 43
    • 0036926577 scopus 로고    scopus 로고
    • Prescribed fire and herbicide effects on soil processes during barrens restoration
    • Rhoades C., Barnes T., Washburn B. Prescribed fire and herbicide effects on soil processes during barrens restoration. Restor. Ecol. 2002, 10:656-664.
    • (2002) Restor. Ecol. , vol.10 , pp. 656-664
    • Rhoades, C.1    Barnes, T.2    Washburn, B.3
  • 44
    • 0038513931 scopus 로고    scopus 로고
    • Testing the grass-fire cycle: alien grass invasion in the tropical savannas of northern Australia
    • Rossiter N.A., Setterfield S.A., Douglas M.M., Hutley L.B. Testing the grass-fire cycle: alien grass invasion in the tropical savannas of northern Australia. Divers. Distrib. 2003, 9:169-176.
    • (2003) Divers. Distrib. , vol.9 , pp. 169-176
    • Rossiter, N.A.1    Setterfield, S.A.2    Douglas, M.M.3    Hutley, L.B.4
  • 45
    • 77954176458 scopus 로고    scopus 로고
    • Establishment and growth of oak (Quercus alba, Quercus prinus) seedlings in burned and fire-excluded upland forests on the Cumberland Plateau
    • Royse J., Arthur M.A., Schorgendorfer A., Loftis D.L. Establishment and growth of oak (Quercus alba, Quercus prinus) seedlings in burned and fire-excluded upland forests on the Cumberland Plateau. Forest Ecol. Manage. 2010, 260:502-510.
    • (2010) Forest Ecol. Manage. , vol.260 , pp. 502-510
    • Royse, J.1    Arthur, M.A.2    Schorgendorfer, A.3    Loftis, D.L.4
  • 46
    • 33645827106 scopus 로고    scopus 로고
    • Making the case for fire in southern Illinois forests
    • Ruffner C.M., Groninger J.W. Making the case for fire in southern Illinois forests. J. For. 2006, 104:78-83.
    • (2006) J. For. , vol.104 , pp. 78-83
    • Ruffner, C.M.1    Groninger, J.W.2
  • 47
    • 30644463521 scopus 로고    scopus 로고
    • Context-dependent biological control of an invasive thistle
    • Shea K., Kelly D., Sheppard A.W., Woodburn T.L. Context-dependent biological control of an invasive thistle. Ecology 2005, 86:3174-3181.
    • (2005) Ecology , vol.86 , pp. 3174-3181
    • Shea, K.1    Kelly, D.2    Sheppard, A.W.3    Woodburn, T.L.4
  • 49
    • 79952040126 scopus 로고    scopus 로고
    • SYSTAT Software Inc, 2007. SYSTAT v. 12, Chicago, IL.
    • SYSTAT Software Inc, 2007. SYSTAT v. 12, Chicago, IL.
    • (2007)
  • 50
    • 0027070082 scopus 로고
    • Effect of high temperatures on seed germination of two wood Leguminosae. Vegetatio
    • Tarrega, R., Calvo, L., Trabaud, L., 1992. Effect of high temperatures on seed germination of two wood Leguminosae. Vegetatio 102, 139-147.
    • (1992) , vol.102 , pp. 139-147
    • Tarrega, R.1    Calvo, L.2    Trabaud, L.3
  • 51
    • 0030825404 scopus 로고    scopus 로고
    • Community invasibility, recruitment limitation, and grassland biodiversity
    • Tilman D. Community invasibility, recruitment limitation, and grassland biodiversity. Ecology 1997, 78:81-92.
    • (1997) Ecology , vol.78 , pp. 81-92
    • Tilman, D.1
  • 52
    • 79952043030 scopus 로고    scopus 로고
    • U.S.D.A.,N.R.C.S.
    • National Plant Data Center, Baton Rouge, LA, (, 6 March 2009)
    • U.S.D.A., N.R.C.S. The PLANTS Database 2009, National Plant Data Center, Baton Rouge, LA, (http://plants.usda.gov, 6 March 2009).
    • (2009) The PLANTS Database
  • 53
    • 0035005728 scopus 로고    scopus 로고
    • Changes in density, biomass, seed production and soil seed banks of the non-native invasive plant, Chromolaena odorata, along a 15 year chronosequence
    • Witkowski E.T.F., Wilson M. Changes in density, biomass, seed production and soil seed banks of the non-native invasive plant, Chromolaena odorata, along a 15 year chronosequence. Plant Ecol. 2001, 152:13-27.
    • (2001) Plant Ecol. , vol.152 , pp. 13-27
    • Witkowski, E.T.F.1    Wilson, M.2
  • 54
    • 1542380021 scopus 로고    scopus 로고
    • Recruitment of three non-native invasive plants into a fragmented forest in southern Illinois
    • Yates E.D., Levia D.F., Williams C.L. Recruitment of three non-native invasive plants into a fragmented forest in southern Illinois. Forest Ecol. Manage. 2004, 190:119-130.
    • (2004) Forest Ecol. Manage. , vol.190 , pp. 119-130
    • Yates, E.D.1    Levia, D.F.2    Williams, C.L.3


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