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Volumn 18, Issue 1, 1999, Pages 49-66

Fine sediment and macroinvertebrate assemblages in Appalachian streams: A field experiment with biomonitoring applications

Author keywords

Appalachian streams; Biomonitoring; Chironomidae; Macroinvertebrates; Metrics; Sediment; West Virginia

Indexed keywords

ENVIRONMENTAL MONITORING; POPULATION STRUCTURE; UNITED STATES;

EID: 0033106304     PISSN: 08873593     EISSN: None     Source Type: Journal    
DOI: 10.2307/1468008     Document Type: Article
Times cited : (147)

References (66)
  • 2
    • 0030019137 scopus 로고    scopus 로고
    • Inter-habitat variation in benthic community structure, function, and organic matter storage in 3 Appalachian headwater streams
    • ANGRADI, T. R. 1996. Inter-habitat variation in benthic community structure, function, and organic matter storage in 3 Appalachian headwater streams. Journal of the North American Benthological Society 15:42-63.
    • (1996) Journal of the North American Benthological Society , vol.15 , pp. 42-63
    • Angradi, T.R.1
  • 3
    • 0030772833 scopus 로고    scopus 로고
    • Hydrologic context and macroinvertebrate community response to floods in an Appalachian headwater stream
    • ANGRADI, T. R. 1997. Hydrologic context and macroinvertebrate community response to floods in an Appalachian headwater stream. American Midland Naturalist 138:371-386.
    • (1997) American Midland Naturalist , vol.138 , pp. 371-386
    • Angradi, T.R.1
  • 4
    • 0031955457 scopus 로고    scopus 로고
    • An application of the plaster dissolution method for quantifying water velocity in the shallow hyporheic zone of an Appalachian stream system
    • ANGRADI, T. R., AND R. HOOD. 1998. An application of the plaster dissolution method for quantifying water velocity in the shallow hyporheic zone of an Appalachian stream system. Freshwater Biology 39:301-315.
    • (1998) Freshwater Biology , vol.39 , pp. 301-315
    • Angradi, T.R.1    Hood, R.2
  • 5
    • 84982623267 scopus 로고
    • Short-term effects of highway construction on the limnology of a small stream in southern Ontario
    • BARTON, B. A. 1977. Short-term effects of highway construction on the limnology of a small stream in southern Ontario. Freshwater Biology 7:99-108.
    • (1977) Freshwater Biology , vol.7 , pp. 99-108
    • Barton, B.A.1
  • 6
    • 0013608932 scopus 로고
    • Chironomidae
    • B. R. Peckarsky, P. R. Fraissinet, M. A. Penton, and D. J. Conklin (editors). Comstock Publishing Associates, Ithaca, New York
    • BODE, R. W. 1990. Chironomidae. Pages 225-267 in B. R. Peckarsky, P. R. Fraissinet, M. A. Penton, and D. J. Conklin (editors). Freshwater macroinverte-brates of northeastern North America. Comstock Publishing Associates, Ithaca, New York.
    • (1990) Freshwater Macroinverte-brates of Northeastern North America , pp. 225-267
    • Bode, R.W.1
  • 7
    • 0013608389 scopus 로고
    • New York State Department of Environmental Conservation, Albany, New York. (Available from: Bureau of Monitoring and Assessment, Division of Water, New York State Department of Environmental Conservation, 50 Wolf Road, Albany, New York 12233.)
    • BODE, R. W., M. A. NOVAK, AND L. E. ABELE. 1991. Methods for rapid biological assessment of streams. New York State Department of Environmental Conservation, Albany, New York. (Available from: Bureau of Monitoring and Assessment, Division of Water, New York State Department of Environmental Conservation, 50 Wolf Road, Albany, New York 12233.)
    • (1991) Methods for Rapid Biological Assessment of Streams
    • Bode, R.W.1    Novak, M.A.2    Abele, L.E.3
  • 9
    • 0020373867 scopus 로고
    • The influence of highway construction on the macroinvertebrates and epilithic algae of a high mountain stream
    • CLINE, L. D., R. A. SHORT, AND J. V. WARD. 1982. The influence of highway construction on the macroinvertebrates and epilithic algae of a high mountain stream. Hydrobiologia 96:149-159.
    • (1982) Hydrobiologia , vol.96 , pp. 149-159
    • Cline, L.D.1    Short, R.A.2    Ward, J.V.3
  • 12
    • 0002358744 scopus 로고
    • Field experiments in biomonitoring
    • D. M. Rosenberg and V. H. Resh (editors). Chapman and Hall, New York
    • COOPER, S. D., AND L. A. BARMUTA. 1993. Field experiments in biomonitoring. Pages 299-441 in D. M. Rosenberg and V. H. Resh (editors). Freshwater biomonitoring and benthic macroinvertebrates. Chapman and Hall, New York.
    • (1993) Freshwater Biomonitoring and Benthic Macroinvertebrates , pp. 299-441
    • Cooper, S.D.1    Barmuta, L.A.2
  • 13
    • 0001553557 scopus 로고
    • The influences of inorganic sediment on the aquatic life of streams
    • CORDONE, A. J., AND D. W. KELLEY. 1960. The influences of inorganic sediment on the aquatic life of streams. California Fish and Game 47:189-228.
    • (1960) California Fish and Game , vol.47 , pp. 189-228
    • Cordone, A.J.1    Kelley, D.W.2
  • 14
    • 0021065593 scopus 로고
    • Relative importance of substrate particle size and detritus to stream benthic macroinvertebrate microdistribution
    • CULP, J. M., S. J. WALDE, AND R. W. DAVIES. 1983. Relative importance of substrate particle size and detritus to stream benthic macroinvertebrate microdistribution. Canadian Journal of Fisheries and Aquatic Sciences 40:1568-1574.
    • (1983) Canadian Journal of Fisheries and Aquatic Sciences , vol.40 , pp. 1568-1574
    • Culp, J.M.1    Walde, S.J.2    Davies, R.W.3
  • 15
    • 0022854224 scopus 로고
    • Response of stream benthos and drift to fine sediment deposition versus transport
    • CULP, J. M., F. J. WRONA, AND R. W. DAVIES. 1986. Response of stream benthos and drift to fine sediment deposition versus transport. Canadian Journal of Zoology 64:1345-1351.
    • (1986) Canadian Journal of Zoology , vol.64 , pp. 1345-1351
    • Culp, J.M.1    Wrona, F.J.2    Davies, R.W.3
  • 16
    • 0018888827 scopus 로고
    • Some effects of agricultural land use on stream insect communities
    • DANCE, K. W., AND H. B. N. HYNES. 1980. Some effects of agricultural land use on stream insect communities. Environmental Pollution (Series A) 22: 19-28.
    • (1980) Environmental Pollution (Series A) , vol.22 , pp. 19-28
    • Dance, K.W.1    Hynes, H.B.N.2
  • 17
    • 0027790001 scopus 로고
    • The effect of steep slope logging on fine sediment infiltration into the beds of ephemeral and perennial streams of the Dazzler Range, Tasmania, Australia
    • DAVIES, P. E., AND M. NELSON. 1993. The effect of steep slope logging on fine sediment infiltration into the beds of ephemeral and perennial streams of the Dazzler Range, Tasmania, Australia. Journal of Hydrology 150:481-504.
    • (1993) Journal of Hydrology , vol.150 , pp. 481-504
    • Davies, P.E.1    Nelson, M.2
  • 18
    • 0000610206 scopus 로고
    • Effects of eroding glacial silt on the benthic insects of Silver Creek, Portage County, Ohio
    • DEWALT, R. E., AND J. H. OLIVE. 1988. Effects of eroding glacial silt on the benthic insects of Silver Creek, Portage County, Ohio. Ohio Journal of Science 88:154-159.
    • (1988) Ohio Journal of Science , vol.88 , pp. 154-159
    • DeWalt, R.E.1    Olive, J.H.2
  • 20
  • 21
    • 0021545408 scopus 로고
    • The response of stream macroinvertebrates to substrate size and heterogeneity
    • ERMAN, D. C., AND N. A. ERMAN. 1984. The response of stream macroinvertebrates to substrate size and heterogeneity. Hydrobiologia 108:75-82.
    • (1984) Hydrobiologia , vol.108 , pp. 75-82
    • Erman, D.C.1    Erman, N.A.2
  • 23
    • 0002583187 scopus 로고
    • Mesocosm experimental design strategies: Advantages and disadvantages in ecological risk assessment
    • J. R. Voshell (editor). Miscellaneous Publication No. 75. Entomological Society of America, Lanham, Maryland
    • GRANEY, R. L., J. P. GIESY, AND D. DITORO. 1989. Mesocosm experimental design strategies: advantages and disadvantages in ecological risk assessment. Pages 74-88 in J. R. Voshell (editor). Using mesocosms to assess the aquatic ecological risk of pesticides: theory and practice. Miscellaneous Publication No. 75. Entomological Society of America, Lanham, Maryland.
    • (1989) Using Mesocosms to Assess the Aquatic Ecological Risk of Pesticides: Theory and Practice , pp. 74-88
    • Graney, R.L.1    Giesy, J.P.2    Ditoro, D.3
  • 24
    • 0020386506 scopus 로고
    • Effects of sediment releases from a reservoir on stream macroinvertebrates
    • GRAY, L. J., AND J. V. WARD. 1982. Effects of sediment releases from a reservoir on stream macroinvertebrates. Hydrobiologia 96:177-184.
    • (1982) Hydrobiologia , vol.96 , pp. 177-184
    • Gray, L.J.1    Ward, J.V.2
  • 25
    • 0027790019 scopus 로고
    • Water quality in mountain ash forests - Separating the impacts of roads from those of logging operations
    • GRAYSON, R. B., S. R. HAYDON, M. D. A. JAYASURIYA, AND B. L. FINLAYSON. 1993. Water quality in mountain ash forests - separating the impacts of roads from those of logging operations. Journal of Hydrology 150:459-480.
    • (1993) Journal of Hydrology , vol.150 , pp. 459-480
    • Grayson, R.B.1    Haydon, S.R.2    Jayasuriya, M.D.A.3    Finlayson, B.L.4
  • 26
    • 0028065734 scopus 로고
    • Secondary production of macroinvertebrate shredders in headwater streams with different base-flow alkalinity
    • GRIFFITH, M., S. A. PERRY, AND W. B. PERRY. 1994. Secondary production of macroinvertebrate shredders in headwater streams with different base-flow alkalinity. Journal of the North American Benthological Society 13:345-356.
    • (1994) Journal of the North American Benthological Society , vol.13 , pp. 345-356
    • Griffith, M.1    Perry, S.A.2    Perry, W.B.3
  • 28
    • 0021538973 scopus 로고
    • Substrate-mediated response of stream invertebrates to disturbance
    • GURTZ, M. E., AND J. B. WALLACE. 1984. Substrate-mediated response of stream invertebrates to disturbance. Ecology 65:1556-1569.
    • (1984) Ecology , vol.65 , pp. 1556-1569
    • Gurtz, M.E.1    Wallace, J.B.2
  • 31
    • 0002092966 scopus 로고
    • Rapid field assessment of organic pollution with a family-level biotic index
    • HILSENHOFF, W. L. 1988. Rapid field assessment of organic pollution with a family-level biotic index. Journal of the North American Benthological Society 7:65-68.
    • (1988) Journal of the North American Benthological Society , vol.7 , pp. 65-68
    • Hilsenhoff, W.L.1
  • 33
    • 0030616851 scopus 로고    scopus 로고
    • Compositional data in community ecology: The paradigm or peril of proportions?
    • JACKSON, D. A. 1997. Compositional data in community ecology: the paradigm or peril of proportions? Ecology 78:929-940.
    • (1997) Ecology , vol.78 , pp. 929-940
    • Jackson, D.A.1
  • 34
    • 0003417415 scopus 로고
    • Freshwater biomonitoring using individual organisms, populations, and species assemblages of benthic macroinvertebrates
    • D. M. Rosenberg and V. H. Resh (editors). Chapman and Hall, New York
    • JOHNSON, R. K., T. WIEDERHOLM, AND D. M. ROSENBERG. 1993. Freshwater biomonitoring using individual organisms, populations, and species assemblages of benthic macroinvertebrates. Pages 40-158 in D. M. Rosenberg and V. H. Resh (editors). Freshwater biomonitoring and benthic macroinvertebrates. Chapman and Hall, New York.
    • (1993) Freshwater Biomonitoring and Benthic Macroinvertebrates , pp. 40-158
    • Johnson, R.K.1    Wiederholm, T.2    Rosenberg, D.M.3
  • 36
    • 0000137501 scopus 로고    scopus 로고
    • Hydrologic impacts of logging an appalachian watershed using West Virginia's best management practices
    • KOCHENDERFER, J. N., P. J. EDWARDS, AND F. WOOD. 1997. Hydrologic impacts of logging an Appalachian watershed using West Virginia's best management practices. Northern Journal of Applied Forestry 14:207-218.
    • (1997) Northern Journal of Applied Forestry , vol.14 , pp. 207-218
    • Kochenderfer, J.N.1    Edwards, P.J.2    Wood, F.3
  • 37
    • 51249185171 scopus 로고
    • Modification of benthic insect communities in polluted streams: Combined effects of sedimentation and nutrient enrichment
    • LEMLY, A. D. 1982. Modification of benthic insect communities in polluted streams: combined effects of sedimentation and nutrient enrichment. Hydrobiologia 87:229-245.
    • (1982) Hydrobiologia , vol.87 , pp. 229-245
    • Lemly, A.D.1
  • 38
    • 0000455812 scopus 로고
    • Water quality assessment of streams using a qualitative collection method for benthic macroinvertebrates
    • LENAT, D. R. 1988. Water quality assessment of streams using a qualitative collection method for benthic macroinvertebrates. Journal of the North American Benthological Society 7:222-233.
    • (1988) Journal of the North American Benthological Society , vol.7 , pp. 222-233
    • Lenat, D.R.1
  • 39
    • 0003776817 scopus 로고
    • Biological evaluation of non-point source pollutants in North Carolina streams and rivers
    • North Carolina Department of Natural Resources and Community Development, Division of Environmental Management, Environmental Monitoring Group, Raleigh, North Carolina
    • LENAT, D. R., D. I. PENROSE, AND K. W. EAGLESON. 1979. Biological evaluation of non-point source pollutants in North Carolina streams and rivers. Biological Series No. 102. North Carolina Department of Natural Resources and Community Development, Division of Environmental Management, Environmental Monitoring Group, Raleigh, North Carolina.
    • (1979) Biological Series No. 102
    • Lenat, D.R.1    Penrose, D.I.2    Eagleson, K.W.3
  • 40
    • 0001259265 scopus 로고
    • Variable effects of sediment addition on stream benthos
    • LENAT, D. R., D. I. PENROSE, AND K. W. EAGLESON. 1981. Variable effects of sediment addition on stream benthos. Hydrobiologia 79:187-194.
    • (1981) Hydrobiologia , vol.79 , pp. 187-194
    • Lenat, D.R.1    Penrose, D.I.2    Eagleson, K.W.3
  • 42
    • 0000219526 scopus 로고
    • Effects of sedimentation on the behavior and distribution of riffle insects in a laboratory stream
    • MCCLELLAND, W. T., AND M. A. BRUSVEN. 1980. Effects of sedimentation on the behavior and distribution of riffle insects in a laboratory stream. Aquatic Insects 2:161-169.
    • (1980) Aquatic Insects , vol.2 , pp. 161-169
    • McClelland, W.T.1    Brusven, M.A.2
  • 43
    • 0000315611 scopus 로고
    • Aquatic insect-substratum relationships
    • V. H. Resh and D. M. Rosenberg (editors). Praeger Publishers, New York
    • MINSHALL, G. W. 1984. Aquatic insect-substratum relationships. Pages 358-400 in V. H. Resh and D. M. Rosenberg (editors). The ecology of aquatic insects. Praeger Publishers, New York.
    • (1984) The Ecology of Aquatic Insects , pp. 358-400
    • Minshall, G.W.1
  • 45
    • 0001859905 scopus 로고
    • Analysis and interpretation of benthic macroinvertebrate surveys
    • D. M. Rosenberg and V. H. Resh (editors). Chapman and Hall, New York
    • NORRIS, R. H., AND A. GEORGES. 1993. Analysis and interpretation of benthic macroinvertebrate surveys. Pages 234-286 in D. M. Rosenberg and V. H. Resh (editors). Freshwater biomonitoring and benthic macroinvertebrates. Chapman and Hall, New York.
    • (1993) Freshwater Biomonitoring and Benthic Macroinvertebrates , pp. 234-286
    • Norris, R.H.1    Georges, A.2
  • 46
    • 0015896801 scopus 로고
    • The effect of china-clay wastes on stream invertebrates
    • NUTTALL, P. M., AND G. H. BIELBY. 1973. The effect of china-clay wastes on stream invertebrates. Environmental Pollution 5:77-86.
    • (1973) Environmental Pollution , vol.5 , pp. 77-86
    • Nuttall, P.M.1    Bielby, G.H.2
  • 47
  • 50
    • 0002476718 scopus 로고
    • Factors affecting microdistribution of stream benthic insects
    • RABENI, C. F., AND G. W. MINSHALL. 1977. Factors affecting microdistribution of stream benthic insects. Oikos 29:33-43.
    • (1977) Oikos , vol.29 , pp. 33-43
    • Rabeni, C.F.1    Minshall, G.W.2
  • 51
    • 0003025954 scopus 로고
    • Rapid assessment approaches to biomonitoring using benthic macroinvertebrates
    • D. M. Rosenberg and V. H. Resh (editors). Chapman and Hall, New York
    • RESH, V. H., AND J. K. JACKSON. 1993. Rapid assessment approaches to biomonitoring using benthic macroinvertebrates. Pages 195-233 in D. M. Rosenberg and V. H. Resh (editors). Freshwater biomonitoring and benthic macroinvertebrates. Chapman and Hall, New York.
    • (1993) Freshwater Biomonitoring and Benthic Macroinvertebrates , pp. 195-233
    • Resh, V.H.1    Jackson, J.K.2
  • 52
    • 0003025954 scopus 로고
    • Contemporary quantitative approaches to biomonitoring using benthic macroinvertebrates
    • D. M. Rosenberg and V. H. Resh (editors). Chapman and Hall, New York
    • RESH, V. H., AND E. P. MCELRAVY. 1993. Contemporary quantitative approaches to biomonitoring using benthic macroinvertebrates. Pages 159-194 in D. M. Rosenberg and V. H. Resh (editors). Freshwater biomonitoring and benthic macroinvertebrates. Chapman and Hall, New York.
    • (1993) Freshwater Biomonitoring and Benthic Macroinvertebrates , pp. 159-194
    • Resh, V.H.1    McElravy, E.P.2
  • 53
    • 0031413412 scopus 로고    scopus 로고
    • The reference condition: A comparison of multimetric and multivariate approaches to assess water-quality impairment using benthic macroinvertebrates
    • REYNOLDSON, T. B., R. H. NORRIS, V. H. RESH, K. E. DAY, AND D. M. ROSENBERG. 1997. The reference condition: a comparison of multimetric and multivariate approaches to assess water-quality impairment using benthic macroinvertebrates. Journal of the North American Benthological Society 16:833-852.
    • (1997) Journal of the North American Benthological Society , vol.16 , pp. 833-852
    • Reynoldson, T.B.1    Norris, R.H.2    Resh, V.H.3    Day, K.E.4    Rosenberg, D.M.5
  • 54
    • 0028139842 scopus 로고
    • Influence of fine sediment on macroinvertebrate colonization of surface and hyporheic stream substrates
    • RICHARDS, C., AND K. L. BACON. 1994. Influence of fine sediment on macroinvertebrate colonization of surface and hyporheic stream substrates. Great Basin Naturalist 54:106-113.
    • (1994) Great Basin Naturalist , vol.54 , pp. 106-113
    • Richards, C.1    Bacon, K.L.2
  • 55
    • 0000168503 scopus 로고
    • The use of artificial substrates in the study of freshwater benthic macroinvertebrates
    • J. Cairns (editor). Ann Arbor Science Publishers, Ann Arbor, Michigan
    • ROSENBERG, D. M., AND V. H. RESH. 1982. The use of artificial substrates in the study of freshwater benthic macroinvertebrates. Pages 175-266 in J. Cairns (editor). Artificial substrates. Ann Arbor Science Publishers, Ann Arbor, Michigan.
    • (1982) Artificial Substrates , pp. 175-266
    • Rosenberg, D.M.1    Resh, V.H.2
  • 57
    • 0002110143 scopus 로고    scopus 로고
    • Use of aquatic insects in biomonitoring
    • R. W. Merritt and K. W. Cummins (editors). An introduction to the aquatic insects of North America. 3rd edition Kendall/Hunt Publishing Company, Dubuque, Iowa
    • ROSENBERG, D. M., AND V. H. RESH. 1996. Use of aquatic insects in biomonitoring. Pages 87-97 in R. W. Merritt and K. W. Cummins (editors). An introduction to the aquatic insects of North America. 3rd edition. Kendall/Hunt Publishing Company, Dubuque, Iowa.
    • (1996) An Introduction to the Aquatic Insects of North America. 3rd Edition , pp. 87-97
    • Rosenberg, D.M.1    Resh, V.H.2
  • 58
    • 0018170313 scopus 로고
    • Effects of sediment addition on macrobenthic invertebrates in a northern Canadian river
    • ROSENBERG, D. M., AND A. P. WIENS. 1978. Effects of sediment addition on macrobenthic invertebrates in a northern Canadian river. Water Research 12: 753-761.
    • (1978) Water Research , vol.12 , pp. 753-761
    • Rosenberg, D.M.1    Wiens, A.P.2
  • 59
    • 0013632255 scopus 로고
    • Responses of Chironomidae (Diptera) to short-term experimental sediment additions in the Harris River, Northwest Territories, Canada
    • ROSENBERG, D. M., AND A. P. WIENS. 1980. Responses of Chironomidae (Diptera) to short-term experimental sediment additions in the Harris River, Northwest Territories, Canada.eActa Universitatis Carolinae - Biologica 1978:181-192.
    • (1980) Acta Universitatis Carolinae - Biologica , vol.1978 , pp. 181-192
    • Rosenberg, D.M.1    Wiens, A.P.2
  • 60
    • 0001068223 scopus 로고
    • Colonization of an introduced substrate by stream macroinvertebrates
    • SHAW, D. W., AND G. W. MINSHALL. 1980. Colonization of an introduced substrate by stream macroinvertebrates. Oikos 34:259-271.
    • (1980) Oikos , vol.34 , pp. 259-271
    • Shaw, D.W.1    Minshall, G.W.2
  • 61
    • 0002785208 scopus 로고
    • Effects of siltation, resulting from improper logging, on the bottom fauna of a small trout stream in the southern Appalachians
    • TEBO, L. B. 1955. Effects of siltation, resulting from improper logging, on the bottom fauna of a small trout stream in the southern Appalachians. Progressive Fish-Culturist 17:64-70.
    • (1955) Progressive Fish-Culturist , vol.17 , pp. 64-70
    • Tebo, L.B.1
  • 62
    • 0000766721 scopus 로고
    • Effects of placer mining on the invertebrate communities of interior Alaska streams
    • WAGENER, S. M., AND J. D. LAPERRIERE. 1985. Effects of placer mining on the invertebrate communities of interior Alaska streams. Freshwater Invertebrate Biology 4:208-214.
    • (1985) Freshwater Invertebrate Biology , vol.4 , pp. 208-214
    • Wagener, S.M.1    LaPerriere, J.D.2
  • 63
    • 0003753033 scopus 로고
    • Sediment in streams: Sources, biological effects, and control
    • American Fisheries Society, Bethesda, Maryland
    • WATERS, T. F. 1995. Sediment in streams: sources, biological effects, and control. American Fisheries Society Monograph 7. American Fisheries Society, Bethesda, Maryland.
    • (1995) American Fisheries Society Monograph , vol.7
    • Waters, T.F.1
  • 64
    • 0002949912 scopus 로고
    • Colonization of artificial substrates by stream insects: Influence of substrate size and diversity
    • WISE, D. H., AND M. C. MOLLES. 1979. Colonization of artificial substrates by stream insects: influence of substrate size and diversity. Hydrobiologia 65: 69-74.
    • (1979) Hydrobiologia , vol.65 , pp. 69-74
    • Wise, D.H.1    Molles, M.C.2
  • 65
    • 84986765125 scopus 로고
    • Substrate size selection by stream invertebrates and the in-fluence of sand
    • WILLIAMS, D. D., AND J. H. MUNDIE. 1978. Substrate size selection by stream invertebrates and the in-fluence of sand. Limnology and Oceanography 23:1030-1033.
    • (1978) Limnology and Oceanography , vol.23 , pp. 1030-1033
    • Williams, D.D.1    Mundie, J.H.2


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