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Volumn 22, Issue 4, 2006, Pages 321-330

Effects of small ponds on stream water chemistry

Author keywords

Headwater streams; Impoundments; N:P ratios; Nutrient retention; Ponds

Indexed keywords

ALGAE;

EID: 33846411864     PISSN: 07438141     EISSN: 10402381     Source Type: Journal    
DOI: 10.1080/07438140609354366     Document Type: Article
Times cited : (50)

References (56)
  • 1
    • 84870760498 scopus 로고    scopus 로고
    • 19th ed., American Public Health Association, American Water Works Association, and Water Pollution Control Federation District of Columbia
    • APHA. 1998. Standard methods for the examination of water and wastewater., 19th ed., American Public Health Association, American Water Works Association, and Water Pollution Control Federation District of Columbia.
    • (1998) Standard methods for the examination of water and wastewater.
  • 3
    • 0016927830 scopus 로고
    • A semi-automated method for the determination of inorganic and total phosphate in sediments
    • Aspila, K. I., Aspila, H., Agemian, A., and Chau., S. Y., 1976. A semi-automated method for the determination of inorganic and total phosphate in sediments. Analyst, 101:187–197.
    • (1976) Analyst , vol.101 , pp. 187-197
    • Aspila, K.I.1    Aspila, H.2    Agemian, A.3    Chau, S.Y.4
  • 4
    • 0034290519 scopus 로고    scopus 로고
    • Variability in the water chemistry of shallow ponds in southeast England, with special reference to the seasonality of nutrients and implications for modelling trophic status
    • Bennion, H., and Smith., M. A., 2000. Variability in the water chemistry of shallow ponds in southeast England, with special reference to the seasonality of nutrients and implications for modelling trophic status. Hydrobiologia, 436:145–158.
    • (2000) Hydrobiologia , vol.436 , pp. 145-158
    • Bennion, H.1    Smith, M.A.2
  • 5
    • 0000856740 scopus 로고
    • Importance of organic debris dams in the structure and function of stream ecosystems
    • Bilby, R. E., and Likens., G. E., 1980. Importance of organic debris dams in the structure and function of stream ecosystems. Ecology, 61:1107–1113.
    • (1980) Ecology , vol.61 , pp. 1107-1113
    • Bilby, R.E.1    Likens, G.E.2
  • 6
    • 0024234986 scopus 로고
    • Exchange of phosphorus across the sediment-water interface
    • Bostrom, B., Anderson, J. M., Fleischer, S., and Jansson., M., 1988. Exchange of phosphorus across the sediment-water interface. Hydrobiologia, 170:229–244.
    • (1988) Hydrobiologia , vol.170 , pp. 229-244
    • Bostrom, B.1    Anderson, J.M.2    Fleischer, S.3    Jansson, M.4
  • 7
    • 0010722128 scopus 로고    scopus 로고
    • Dynamics of nitrogen and phosphorus retention during wetland ecosytem succession
    • Craft, C. B., 1997. Dynamics of nitrogen and phosphorus retention during wetland ecosytem succession. Wetl. Ecol. Manage., 4:177–187.
    • (1997) Wetl. Ecol. Manage. , vol.4 , pp. 177-187
    • Craft, C.B.1
  • 9
    • 0027138887 scopus 로고
    • Beaver pond biogeochemistry: Acid neutralizing capacity in a headwater wetland
    • Cirmo, C. P., and Driscoll., C. T., 1993. Beaver pond biogeochemistry:acid neutralizing capacity in a headwater wetland. Wetlands, 13:277–292.
    • (1993) Wetlands , vol.13 , pp. 277-292
    • Cirmo, C.P.1    Driscoll, C.T.2
  • 10
    • 0031416108 scopus 로고    scopus 로고
    • Effect of nutrient loading and retention time on performance of high rate algal ponds
    • Cromar, N. J., and Fallowfield., H. J., 1997. Effect of nutrient loading and retention time on performance of high rate algal ponds. J. Appl. Phycol., 9:301–309.
    • (1997) J. Appl. Phycol. , vol.9 , pp. 301-309
    • Cromar, N.J.1    Fallowfield, H.J.2
  • 11
    • 0038047539 scopus 로고    scopus 로고
    • Misuse if inorganic N and soluble reactive P concentrations to indicate nutrient status of surface waters
    • Dodds, W. K., 2003. Misuse if inorganic N and soluble reactive P concentrations to indicate nutrient status of surface waters. J. North Am. Benthol. Soc., 22:171–181.
    • (2003) J. North Am. Benthol. Soc. , vol.22 , pp. 171-181
    • Dodds, W.K.1
  • 12
    • 0027069325 scopus 로고
    • The nitrogen:phosphorus relationship in lakes
    • Downing, J. A., and McCauley., E., 1992. The nitrogen:phosphorus relationship in lakes. Limnol. Oceanogr., 37:936–945.
    • (1992) Limnol. Oceanogr. , vol.37 , pp. 936-945
    • Downing, J.A.1    McCauley, E.2
  • 13
    • 20344376241 scopus 로고    scopus 로고
    • The trophic state 'chain of relationships' in ponds: Does size matter?
    • Fairchild, G. W., Anderson, J. N., and Velinsky., D. J., 2005. The trophic state 'chain of relationships' in ponds:does size matter?. Hydrobiologia, 539:35–46.
    • (2005) Hydrobiologia , vol.539 , pp. 35-46
    • Fairchild, G.W.1    Anderson, J.N.2    Velinsky, D.J.3
  • 14
    • 0348062781 scopus 로고    scopus 로고
    • Experiments on the nutrient removal and retention of a pond recirculation system
    • Gal, D., Szabo, P., Pekar, F., and Varadi., L., 2003. Experiments on the nutrient removal and retention of a pond recirculation system. Hydrobiologia, 506–509:767–772.
    • (2003) Hydrobiologia , vol.506-509 , pp. 767-772
    • Gal, D.1    Szabo, P.2    Pekar, F.3    Varadi, L.4
  • 15
    • 0033672420 scopus 로고    scopus 로고
    • Silica and diatom growth in Lough Neagh: The importance of internal recycling
    • Gibson, C. E., Wang, G., and Foy., R. H., 2000. Silica and diatom growth in Lough Neagh:the importance of internal recycling. Freshwat. Biol., 45:285–293.
    • (2000) Freshwat. Biol. , vol.45 , pp. 285-293
    • Gibson, C.E.1    Wang, G.2    Foy, R.H.3
  • 16
    • 0001977455 scopus 로고
    • Chemical modifications in reservoir-regulated streams
    • Ward J.V., Stanford J.A., (eds), NY: Plenum Press
    • Hannan, H. H., 1979. “ Chemical modifications in reservoir-regulated streams. ”. In The Ecology of Regulated Streams, Edited by:Ward, J. V., and Stanford, J. A., 75–94. NY:Plenum Press.
    • (1979) The Ecology of Regulated Streams , pp. 75-94
    • Hannan, H.H.1
  • 18
    • 0030975369 scopus 로고    scopus 로고
    • Effects of Danube River dam on Black Sea biogeochemistry and ecosystem structure
    • Humborg, C., Ittekkot, V., Cociasu, A., and Bodungen., B. V., 1997. Effects of Danube River dam on Black Sea biogeochemistry and ecosystem structure. Nature, 386:385–388.
    • (1997) Nature , vol.386 , pp. 385-388
    • Humborg, C.1    Ittekkot, V.2    Cociasu, A.3    Bodungen, B.V.4
  • 19
    • 0034099206 scopus 로고    scopus 로고
    • Silicon retention in river basins: Far-reaching effects on biogeochemistry and aquatic food webs in coastal marine environments
    • Humborg, C., Conley, D. J., Rahm, L., Wulff, F., Cociasu, A., and Ittekkot., V., 2000. Silicon retention in river basins:Far-reaching effects on biogeochemistry and aquatic food webs in coastal marine environments. Ambio, 29:45–50.
    • (2000) Ambio , vol.29 , pp. 45-50
    • Humborg, C.1    Conley, D.J.2    Rahm, L.3    Wulff, F.4    Cociasu, A.5    Ittekkot, V.6
  • 20
    • 0032927403 scopus 로고    scopus 로고
    • Responses of phytoplankton to varied resources availability in large lakes of the Greater Yellowstone Ecosystem
    • Interlandi, S. J., Kilham, S. S., and Theriot., E. C., 1999. Responses of phytoplankton to varied resources availability in large lakes of the Greater Yellowstone Ecosystem. Limnol. Oceanogr., 44:668–682.
    • (1999) Limnol. Oceanogr. , vol.44 , pp. 668-682
    • Interlandi, S.J.1    Kilham, S.S.2    Theriot, E.C.3
  • 21
    • 18944396929 scopus 로고    scopus 로고
    • Patterns of denitrification associated with land use in 9 midwestern headwater streams
    • Inwood, S. E., Tank, J. L., and Bernot., M. J., 2005. Patterns of denitrification associated with land use in 9 midwestern headwater streams. J. North Am. Benthol. Soc., 24:227–246.
    • (2005) J. North Am. Benthol. Soc. , vol.24 , pp. 227-246
    • Inwood, S.E.1    Tank, J.L.2    Bernot, M.J.3
  • 22
    • 0028164834 scopus 로고
    • Denitrification and nitrogen retention in a farmland stream in southern Sweden
    • Jansson, M., Leonardson, L., and Fejes., J., 1994. Denitrification and nitrogen retention in a farmland stream in southern Sweden. Ambio, 23:326–331.
    • (1994) Ambio , vol.23 , pp. 326-331
    • Jansson, M.1    Leonardson, L.2    Fejes, J.3
  • 23
    • 0006343903 scopus 로고
    • Relationships between nitrogen loading and in-lake nitrogen concentrations in shallow Danish lakes
    • Jensen, J. P., Kristensen, P., and Jeppesen., E., 1990. Relationships between nitrogen loading and in-lake nitrogen concentrations in shallow Danish lakes. Verh. Internat. Verein. Limnol., 24:201–204.
    • (1990) Verh. Internat. Verein. Limnol. , vol.24 , pp. 201-204
    • Jensen, J.P.1    Kristensen, P.2    Jeppesen, E.3
  • 24
    • 0022860046 scopus 로고
    • Dynamics of Lake Michigan natural phytoplankton communities in continuous cultures along a Si: P loading gradient
    • Kilham, S. S., 1986. Dynamics of Lake Michigan natural phytoplankton communities in continuous cultures along a Si:P loading gradient. Can. J. Fish. Aquat. Sci., 43:351–360.
    • (1986) Can. J. Fish. Aquat. Sci. , vol.43 , pp. 351-360
    • Kilham, S.S.1
  • 25
    • 6744255795 scopus 로고    scopus 로고
    • The N and P budget of the shallow, flushed lake Muggelsee: Retention, external and internal load
    • Kozerski, H.-P., Behrendt, H., and Kohler., J., 1999. The N and P budget of the shallow, flushed lake Muggelsee:retention, external and internal load. Hydrobiologia, 408/409:159–166.
    • (1999) Hydrobiologia , vol.408-409 , pp. 159-166
    • Kozerski, H.-P.1    Behrendt, H.2    Kohler, J.3
  • 26
    • 0028982687 scopus 로고
    • Benthic insects in Swedish lake-outlet streams: Patterns in species richness and assemblage structure
    • Malmqvist, B., and Eriksson., A., 1995. Benthic insects in Swedish lake-outlet streams:patterns in species richness and assemblage structure. Freshwat. Biol., 34:285–296.
    • (1995) Freshwat. Biol. , vol.34 , pp. 285-296
    • Malmqvist, B.1    Eriksson, A.2
  • 27
    • 0023306469 scopus 로고
    • The effect of beaver ponds on the nonpoint source water quality of a stream in southwestern Wyoming
    • Maret, T. J., Parker, M., and Fannin., T. E., 1987. The effect of beaver ponds on the nonpoint source water quality of a stream in southwestern Wyoming. Water Res., 21:263–268.
    • (1987) Water Res. , vol.21 , pp. 263-268
    • Maret, T.J.1    Parker, M.2    Fannin, T.E.3
  • 28
    • 0035659056 scopus 로고    scopus 로고
    • The impact of beaver impoundments on the water chemistry of two Appalachian streams
    • Margolis, B. E., Castro, M. S., and Raesly., R. L., 2001. The impact of beaver impoundments on the water chemistry of two Appalachian streams. Can. J. Fish Aquat. Sci., 58:2271–2283.
    • (2001) Can. J. Fish Aquat. Sci. , vol.58 , pp. 2271-2283
    • Margolis, B.E.1    Castro, M.S.2    Raesly, R.L.3
  • 29
    • 0035657933 scopus 로고    scopus 로고
    • Denitrification potential in sediments of headwater streams in the southern Appalachian Mountains, USA
    • Martin, L. A., Mulholland, P. J., Webster, J. R., and Valett., H. M., 2001. Denitrification potential in sediments of headwater streams in the southern Appalachian Mountains, USA. J. North Amer. Benthol. Soc., 20:505–519.
    • (2001) J. North Amer. Benthol. Soc. , vol.20 , pp. 505-519
    • Martin, L.A.1    Mulholland, P.J.2    Webster, J.R.3    Valett, H.M.4
  • 30
    • 0032146638 scopus 로고    scopus 로고
    • Changes in the structure and metabolic activities of periphytic communities in a stream receiving treated sewage from a waster stabilization pond
    • Massaret, E., Amblard, C., and Bourdier., G., 1998. Changes in the structure and metabolic activities of periphytic communities in a stream receiving treated sewage from a waster stabilization pond. Water Res., 32:2299–2314.
    • (1998) Water Res. , vol.32 , pp. 2299-2314
    • Massaret, E.1    Amblard, C.2    Bourdier, G.3
  • 31
    • 0032449372 scopus 로고
    • Nitrate applications to control phosphorus release from sediments of a shallow eutrophic estuary: An experimental evaluation
    • McAuliffe, T. F., Lukatelich, R. J., McComb, A., and Qiu., S., 1988. Nitrate applications to control phosphorus release from sediments of a shallow eutrophic estuary:an experimental evaluation. Mar. Freshwat. Res., 49:463–473.
    • (1988) Mar. Freshwat. Res. , vol.49 , pp. 463-473
    • McAuliffe, T.F.1    Lukatelich, R.J.2    McComb, A.3    Qiu, S.4
  • 32
    • 0000412537 scopus 로고
    • Alteration of North American streams by beaver
    • Naiman, R. J., Johnston, C. A., and Kelley., J. C., 1988. Alteration of North American streams by beaver. Bioscience, 38:753–762.
    • (1988) Bioscience , vol.38 , pp. 753-762
    • Naiman, R.J.1    Johnston, C.A.2    Kelley, J.C.3
  • 33
    • 0028160732 scopus 로고
    • Beaver influences on the long-term biogeochemical characteristics of boreal forest drainage networks
    • Naiman, R. J., Pinay, G., Johnston, C. A., and Pastor., J., 1994. Beaver influences on the long-term biogeochemical characteristics of boreal forest drainage networks. Ecology, 75:905–921.
    • (1994) Ecology , vol.75 , pp. 905-921
    • Naiman, R.J.1    Pinay, G.2    Johnston, C.A.3    Pastor, J.4
  • 34
    • 0347781063 scopus 로고
    • Phosphorus spiraling in rivers and river-reservoir systems: Implications of a model
    • Craig J.F., Kemper J.B., (eds), NY: Plenum Press
    • Newbold, J. D., 1987. “ Phosphorus spiraling in rivers and river-reservoir systems:implications of a model. ”. In Regulated Streams:Advances in Ecology., Edited by:Craig, J. F., and Kemper, J. B., 303–327. NY:Plenum Press.
    • (1987) Regulated Streams: Advances in Ecology. , pp. 303-327
    • Newbold, J.D.1
  • 35
    • 0031853895 scopus 로고    scopus 로고
    • Does sediment resuspension have persistent effects on phytoplankton? Experimental studies in three shallow lakes
    • Ogilvie, B. G., and Mitchell., S. F., 1998. Does sediment resuspension have persistent effects on phytoplankton? Experimental studies in three shallow lakes. Freshwat. Biol., 40:51–63.
    • (1998) Freshwat. Biol. , vol.40 , pp. 51-63
    • Ogilvie, B.G.1    Mitchell, S.F.2
  • 36
    • 0346672417 scopus 로고    scopus 로고
    • Nutrient elimination in pre-dams: Results of long term studies
    • Paul, L., 2003. Nutrient elimination in pre-dams:results of long term studies. Hydrobiologia, 504:289–295.
    • (2003) Hydrobiologia , vol.504 , pp. 289-295
    • Paul, L.1
  • 37
    • 1842581910 scopus 로고    scopus 로고
    • Benthic invertebrate assemblage change following dam removal in a Wisconsin stream
    • Pollard, A. I., and Reed., T., 2004. Benthic invertebrate assemblage change following dam removal in a Wisconsin stream. Hydrobiologia, 513:51–58.
    • (2004) Hydrobiologia , vol.513 , pp. 51-58
    • Pollard, A.I.1    Reed, T.2
  • 38
    • 0001289754 scopus 로고
    • The biological control of chemical factors in the environment
    • Redfield, A. C., 1958. The biological control of chemical factors in the environment. Am. Sci., 46:205–221.
    • (1958) Am. Sci. , vol.46 , pp. 205-221
    • Redfield, A.C.1
  • 39
    • 0032878937 scopus 로고    scopus 로고
    • Nutrient removal mechanisms in constructed wetlands and sustainable water management
    • Sakadevan, K., and Bavor., H. J., 1999. Nutrient removal mechanisms in constructed wetlands and sustainable water management. Water Sci. Technol., 40:121–128.
    • (1999) Water Sci. Technol. , vol.40 , pp. 121-128
    • Sakadevan, K.1    Bavor, H.J.2
  • 40
    • 0035862384 scopus 로고    scopus 로고
    • Nitrogen retention in wetlands, lakes and rivers
    • Saunders, D. L., and Kalff., J., 2001. Nitrogen retention in wetlands, lakes and rivers. Hydrobiologia, 443:205–212.
    • (2001) Hydrobiologia , vol.443 , pp. 205-212
    • Saunders, D.L.1    Kalff, J.2
  • 41
    • 0024190240 scopus 로고
    • Denitrification in freshwater and coastal marine ecosystems: Ecological and geochemical significance
    • Seitzinger, S. P., 1988. Denitrification in freshwater and coastal marine ecosystems:Ecological and geochemical significance. Limnol. Oceanogr., 33:702–724.
    • (1988) Limnol. Oceanogr. , vol.33 , pp. 702-724
    • Seitzinger, S.P.1
  • 42
    • 0036840897 scopus 로고    scopus 로고
    • Distribution and significance of small, artificial water bodies across the United States landscape
    • Smith, S. V., Renwick, W. H., Bartley, J. D., and Buddemeier., R. W., 2002. Distribution and significance of small, artificial water bodies across the United States landscape. Sci. Total Env., 299:21–36.
    • (2002) Sci. Total Env. , vol.299 , pp. 21-36
    • Smith, S.V.1    Renwick, W.H.2    Bartley, J.D.3    Buddemeier, R.W.4
  • 43
    • 0027866150 scopus 로고
    • Phytoplankton competition in PluSsee: A field test of the resource-ratio hypothesis
    • Sommer, U., 1993. Phytoplankton competition in PluSsee:A field test of the resource-ratio hypothesis. Limnol. Oceanogr., 38:838–845.
    • (1993) Limnol. Oceanogr. , vol.38 , pp. 838-845
    • Sommer, U.1
  • 44
    • 0036077415 scopus 로고    scopus 로고
    • Seasonal dynamics in the concentrations and retention of phosphorus after reduced loading
    • Søndergaard, M., Jensen, J. P., Jeppesen, E., and Moller., P. H., 2002. Seasonal dynamics in the concentrations and retention of phosphorus after reduced loading. Aquat. Ecosyst. Health Manage., 5:19–29.
    • (2002) Aquat. Ecosyst. Health Manage. , vol.5 , pp. 19-29
    • Søndergaard, M.1    Jensen, J.P.2    Jeppesen, E.3    Moller, P.H.4
  • 46
    • 3943052361 scopus 로고    scopus 로고
    • Trading off: The ecological effects of dam removal
    • Stanley, E. H., and Doyle., M. W., 2003. Trading off:the ecological effects of dam removal. Frontiers Ecol. Env., 1:15–22.
    • (2003) Frontiers Ecol. Env. , vol.1 , pp. 15-22
    • Stanley, E.H.1    Doyle, M.W.2
  • 47
    • 21144436577 scopus 로고    scopus 로고
    • Freshwater marshes as dissolved silica recyclers in an estuarine environment (Schelde estuary, Belgium)
    • Struyf, E., Damme, S., Gribsholt, B., and Meire., P., 2005. Freshwater marshes as dissolved silica recyclers in an estuarine environment (Schelde estuary, Belgium). Hydrobiologia, 540:69–77.
    • (2005) Hydrobiologia , vol.540 , pp. 69-77
    • Struyf, E.1    Damme, S.2    Gribsholt, B.3    Meire, P.4
  • 49
    • 14344264597 scopus 로고    scopus 로고
    • Effects of removal of a small dam on downstream macroinvertebrate and algal assemblages in a Pennsylvania stream
    • Thomson, T. R., Hart, D. D., Charles, D. F., Nightengale, T. L., and Winter., D. M., 2005. Effects of removal of a small dam on downstream macroinvertebrate and algal assemblages in a Pennsylvania stream. J. N. Am. Benthol. Soc., 24:192–207.
    • (2005) J. N. Am. Benthol. Soc. , vol.24 , pp. 192-207
    • Thomson, T.R.1    Hart, D.D.2    Charles, D.F.3    Nightengale, T.L.4    Winter, D.M.5
  • 50
    • 0003725622 scopus 로고
    • Washington, District of Columbia: United States Environmental Protection Agency EPA-600/4-79-020, US EPA
    • U.S. EPA. 1983. Methods for chemical analysis of water and wastes., Washington, District of Columbia:United States Environmental Protection Agency EPA-600/4-79-020, US EPA.
    • (1983) Methods for chemical analysis of water and wastes.
  • 51
    • 0003399188 scopus 로고
    • Washington, District of Columbia: United States Environmental Protection Agency EPA-600/R-92/121, Office of Research and Development, US EPA
    • U.S. EPA. 1992. Methods for the determination of chemical substances in marine and estuarine environmental samples., Washington, District of Columbia:United States Environmental Protection Agency EPA-600/R-92/121, Office of Research and Development, US EPA.
    • (1992) Methods for the determination of chemical substances in marine and estuarine environmental samples.
  • 52
    • 31344460092 scopus 로고    scopus 로고
    • Regional and global concerns over wetlands and water quality
    • Verhoeven, J. T.A., Arheimer, B., Yin, C., and Hefting., M. M., 2006. Regional and global concerns over wetlands and water quality. Trends Ecol. Evol., 21:96–103.
    • (2006) Trends Ecol. Evol. , vol.21 , pp. 96-103
    • Verhoeven, J.T.A.1    Arheimer, B.2    Yin, C.3    Hefting, M.M.4
  • 53
    • 0034128118 scopus 로고    scopus 로고
    • Estimating trap efficiency of small reservoirs and ponds: Methods and implications for the assessment of sediment yield
    • Verstraeten, G., and Poesen., J., 2000. Estimating trap efficiency of small reservoirs and ponds:methods and implications for the assessment of sediment yield. Progr. Physic. Geogr., 24:219–251.
    • (2000) Progr. Physic. Geogr. , vol.24 , pp. 219-251
    • Verstraeten, G.1    Poesen, J.2
  • 54
    • 0033813559 scopus 로고    scopus 로고
    • Anthropogenic disturbance of the terrestrial water cycle
    • Vorosmarty, C. J., and Sahagian., D., 2000. Anthropogenic disturbance of the terrestrial water cycle. Bioscience, 50:753–764.
    • (2000) Bioscience , vol.50 , pp. 753-764
    • Vorosmarty, C.J.1    Sahagian, D.2
  • 55
    • 0034740994 scopus 로고    scopus 로고
    • Multipond systems: A sustainable way to control diffuse phosphorus pollution
    • Yin, C., and Shan., B., 2001. Multipond systems:a sustainable way to control diffuse phosphorus pollution. Ambio, 30:369–375.
    • (2001) Ambio , vol.30 , pp. 369-375
    • Yin, C.1    Shan, B.2
  • 56
    • 10344262119 scopus 로고    scopus 로고
    • Urban nitrogen biogeochemistry: Status and processes in green retention basins
    • Zhu, W.-X., Dillard, N., and Grimm., N., 2004. Urban nitrogen biogeochemistry:status and processes in green retention basins. Biogeochemistry, 71:177–196.
    • (2004) Biogeochemistry , vol.71 , pp. 177-196
    • Zhu, W.-X.1    Dillard, N.2    Grimm, N.3


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