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Volumn 356, Issue , 2008, Pages 123-138

Deep water macroalgal communities adjacent to the Florida Keys reef tract

Author keywords

Coral reefs; Florida Keys; Light; Macroalgae; Nutrients

Indexed keywords

ALGAL COMMUNITY; BENTHOS; DEEP WATER; DETRITUS; DOMINANCE; LIGHT AVAILABILITY; MACROALGA; NUTRIENT AVAILABILITY; PHOTOSYNTHETICALLY ACTIVE RADIATION; PRIMARY PRODUCTION; RECRUITMENT (POPULATION DYNAMICS); REMOTELY OPERATED VEHICLE; SCUBA DIVING; SUBSTRATE; WATER COLUMN;

EID: 42249092801     PISSN: 01718630     EISSN: None     Source Type: Journal    
DOI: 10.3354/meps07230     Document Type: Article
Times cited : (41)

References (59)
  • 1
    • 0001724038 scopus 로고
    • Upwelling as a source of nutrients for the Great Barrier Reef ecosystems: A solution to Darwin's question?
    • Andrews JC, Gentien P (1982) Upwelling as a source of nutrients for the Great Barrier Reef ecosystems: a solution to Darwin's question? Mar Ecol Prog Ser 8:257-269
    • (1982) Mar Ecol Prog Ser , vol.8 , pp. 257-269
    • Andrews, J.C.1    Gentien, P.2
  • 2
    • 0027084165 scopus 로고
    • Effects of water velocity on phosphate uptake in coral reef-flat communities
    • Atkinson MJ, Bilger RW (1992) Effects of water velocity on phosphate uptake in coral reef-flat communities. Limnol Oceanogr 37:273-279
    • (1992) Limnol Oceanogr , vol.37 , pp. 273-279
    • Atkinson, M.J.1    Bilger, R.W.2
  • 3
    • 28444436272 scopus 로고    scopus 로고
    • Coral reef crisis in deep and shallow reefs: 30 years of constancy and change in reefs of Curaçao and Bonaire
    • Bak RP, Nieuwland G, Meesters EH (2005) Coral reef crisis in deep and shallow reefs: 30 years of constancy and change in reefs of Curaçao and Bonaire. Coral Reefs 24:475-479
    • (2005) Coral Reefs , vol.24 , pp. 475-479
    • Bak, R.P.1    Nieuwland, G.2    Meesters, E.H.3
  • 4
    • 0011255832 scopus 로고
    • Seasonality of growth and production of a deep-water population of Halimeda tuna (Chlorophyceae, Caulerpales) in the north-western Mediterranean
    • Mar
    • Ballesteros E (1991) Seasonality of growth and production of a deep-water population of Halimeda tuna (Chlorophyceae, Caulerpales) in the north-western Mediterranean. Bot Mar 34:291-301
    • (1991) Bot , vol.34 , pp. 291-301
    • Ballesteros, E.1
  • 5
    • 0031597294 scopus 로고    scopus 로고
    • Community structure and frond size distribution of a deep water stand of Cystoseira spinosa (Phaeophyta) in the north-western Mediterranean
    • Ballesteros E, Sala E, Garrabou J, Zabala M (1998) Community structure and frond size distribution of a deep water stand of Cystoseira spinosa (Phaeophyta) in the north-western Mediterranean. Eur J Phycol 33:121-128
    • (1998) Eur J Phycol , vol.33 , pp. 121-128
    • Ballesteros, E.1    Sala, E.2    Garrabou, J.3    Zabala, M.4
  • 6
    • 0026864209 scopus 로고
    • Eutrophication and coral reefs: Some examples in the Great Barrier Reef lagoon
    • Bell PRF (1992) Eutrophication and coral reefs: some examples in the Great Barrier Reef lagoon. Water Res 26:553-568
    • (1992) Water Res , vol.26 , pp. 553-568
    • Bell, P.R.F.1
  • 7
    • 0002953352 scopus 로고    scopus 로고
    • A view from the bridge: External and internal forces affecting the ambient water quality of the Florida Keys National Marine Sanctuary (FKNMS)
    • Porter JW, Porter KG eds, CRC Press, Boca Raton, FL, p
    • Boyer JN, Jones RD (2002) A view from the bridge: external and internal forces affecting the ambient water quality of the Florida Keys National Marine Sanctuary (FKNMS). In: Porter JW, Porter KG (eds) The Everglades, Florida Bay, and coral reefs of the Florida Keys. An ecosystem sourcebook. CRC Press, Boca Raton, FL, p 609-628
    • (2002) The Everglades, Florida Bay, and coral reefs of the Florida Keys. An ecosystem sourcebook , pp. 609-628
    • Boyer, J.N.1    Jones, R.D.2
  • 8
    • 0028980873 scopus 로고
    • Maintenance of an exceptional intertidal grazer biomass in South Africa - subsidy by subtidal kelps
    • Bustamante RH, Branch GM, Eekhout S (1995) Maintenance of an exceptional intertidal grazer biomass in South Africa - subsidy by subtidal kelps. Ecology 76:2314-2329
    • (1995) Ecology , vol.76 , pp. 2314-2329
    • Bustamante, R.H.1    Branch, G.M.2    Eekhout, S.3
  • 9
    • 0001103781 scopus 로고
    • Partitioning herbivory and its effects on coral-reef algal communities
    • Carpenter RC (1986) Partitioning herbivory and its effects on coral-reef algal communities. Ecol Monogr 56:345-363
    • (1986) Ecol Monogr , vol.56 , pp. 345-363
    • Carpenter, R.C.1
  • 10
    • 0000859402 scopus 로고
    • Deep-water benthic algae of Florida Middle Ground
    • Cheney DP, Dyer JP (1974) Deep-water benthic algae of Florida Middle Ground. Mar Biol 27:185-190
    • (1974) Mar Biol , vol.27 , pp. 185-190
    • Cheney, D.P.1    Dyer, J.P.2
  • 11
    • 0029660042 scopus 로고    scopus 로고
    • Longevity of some coral reef fish spawning aggregations
    • Colin PL (1996) Longevity of some coral reef fish spawning aggregations. Copeia 1996:189-192
    • (1996) Copeia 1996 , pp. 189-192
    • Colin, P.L.1
  • 12
    • 42249104501 scopus 로고    scopus 로고
    • D'Elia CF, Wiebe WJ (1990) Biogeochemical nutrient cycles in coral-reef ecosystems. In: Dubinsky Z (ed) Ecosystems of the world, 25. Coral reefs. Elsevier, Amsterdam, p 49-74
    • D'Elia CF, Wiebe WJ (1990) Biogeochemical nutrient cycles in coral-reef ecosystems. In: Dubinsky Z (ed) Ecosystems of the world, Vol 25. Coral reefs. Elsevier, Amsterdam, p 49-74
  • 13
    • 0031545685 scopus 로고    scopus 로고
    • Tropical reef fish spawning aggregations: Defined and reviewed
    • Domeier ML, Colin PL (1997) Tropical reef fish spawning aggregations: defined and reviewed. Bull Mar Sci 60:698-726
    • (1997) Bull Mar Sci , vol.60 , pp. 698-726
    • Domeier, M.L.1    Colin, P.L.2
  • 14
    • 0027028012 scopus 로고
    • Phase shifts in coral reef communities and their ecological significance
    • Done TJ (1992) Phase shifts in coral reef communities and their ecological significance. Hydrobiologia 247:121-132
    • (1992) Hydrobiologia , vol.247 , pp. 121-132
    • Done, T.J.1
  • 15
    • 0242486846 scopus 로고
    • Photosynthesis and growth of attached marine algae down to 130 metres in the Mediterranean
    • Drew EA (1969) Photosynthesis and growth of attached marine algae down to 130 metres in the Mediterranean. Proc Int Seaweed Symp 6:151-159
    • (1969) Proc Int Seaweed Symp , vol.6 , pp. 151-159
    • Drew, E.A.1
  • 16
    • 0024910695 scopus 로고
    • Magnification of secondary production by kelp detritus in coastal marine ecosystems
    • Duggins DO, Simenstad CA, Estes JA (1989) Magnification of secondary production by kelp detritus in coastal marine ecosystems. Science 245:170-173
    • (1989) Science , vol.245 , pp. 170-173
    • Duggins, D.O.1    Simenstad, C.A.2    Estes, J.A.3
  • 17
    • 0035942225 scopus 로고    scopus 로고
    • Recovery of Diadema antillarum reduces macroalgal cover and increases abundance of juvenile corals on a Caribbean reef
    • Edmunds PJ, Carpenter RC (2001) Recovery of Diadema antillarum reduces macroalgal cover and increases abundance of juvenile corals on a Caribbean reef. Proc Nat Acad Sci USA 98:5067-5071
    • (2001) Proc Nat Acad Sci USA , vol.98 , pp. 5067-5071
    • Edmunds, P.J.1    Carpenter, R.C.2
  • 18
    • 0000304520 scopus 로고    scopus 로고
    • Mangrove communities
    • Bertness MD, Gaines SD, Hay ME eds, Sinauer Associates, Sunderland, MA, p
    • Ellison AM, Farnsworth EJ (2001) Mangrove communities. In: Bertness MD, Gaines SD, Hay ME (eds) Marine community ecology. Sinauer Associates, Sunderland, MA, p 423-442
    • (2001) Marine community ecology , pp. 423-442
    • Ellison, A.M.1    Farnsworth, E.J.2
  • 19
  • 20
    • 0042043762 scopus 로고    scopus 로고
    • Macroalgal blooms in Florida's coastal waters: Codium isthmocladum
    • Hanisak MD (2001) Macroalgal blooms in Florida's coastal waters: Codium isthmocladum. J Phycol 37 (Suppl 3):21
    • (2001) J Phycol , vol.37 , Issue.SUPPL. 3 , pp. 21
    • Hanisak, M.D.1
  • 21
    • 0001664879 scopus 로고
    • The deep-water macroalgal community of the East Florida continental-shelf (USA)
    • Hanisak MD, Blair SM (1988) The deep-water macroalgal community of the East Florida continental-shelf (USA). Helgol Meeresunters 42:133-163
    • (1988) Helgol Meeresunters , vol.42 , pp. 133-163
    • Hanisak, M.D.1    Blair, S.M.2
  • 22
    • 0011065588 scopus 로고    scopus 로고
    • Macroalgal tissue nutrients as indicators of nitrogen and phosphorus status in the Florida Keys
    • Hanisak MD, Siemon LW (2000) Macroalgal tissue nutrients as indicators of nitrogen and phosphorus status in the Florida Keys. J Phycol 36 (Suppl 3):28
    • (2000) J Phycol , vol.36 , Issue.SUPPL. 3 , pp. 28
    • Hanisak, M.D.1    Siemon, L.W.2
  • 23
    • 0000010346 scopus 로고
    • Herbivory, algal distribution, and the maintenance of between-habitat diversity on a tropical fringing reef
    • Hay ME (1983) Herbivory, algal distribution, and the maintenance of between-habitat diversity on a tropical fringing reef. Am Nat 118:520-540
    • (1983) Am Nat , vol.118 , pp. 520-540
    • Hay, M.E.1
  • 26
    • 0036219675 scopus 로고    scopus 로고
    • The effects of nutrients and herbivory on competition between a hard coral (Porites cylindrica) and a brown alga (Lobophora variegata)
    • Jompa J, McCook LJ (2002) The effects of nutrients and herbivory on competition between a hard coral (Porites cylindrica) and a brown alga (Lobophora variegata). Limnol Oceanogr 47:527-534
    • (2002) Limnol Oceanogr , vol.47 , pp. 527-534
    • Jompa, J.1    McCook, L.J.2
  • 27
    • 0035826704 scopus 로고    scopus 로고
    • The future of coral reefs
    • Knowlton N (2001) The future of coral reefs. Proc Nat Acad Sci USA 98:5419-5425
    • (2001) Proc Nat Acad Sci USA , vol.98 , pp. 5419-5425
    • Knowlton, N.1
  • 29
    • 0009189183 scopus 로고    scopus 로고
    • Nutrient thresholds for bottom-up control of macroalgal blooms on coral reefs in Jamaica and south-east Florida
    • Lapointe BE (1997) Nutrient thresholds for bottom-up control of macroalgal blooms on coral reefs in Jamaica and south-east Florida. Limnol Oceanogr 42:1119-1131
    • (1997) Limnol Oceanogr , vol.42 , pp. 1119-1131
    • Lapointe, B.E.1
  • 30
    • 42249104193 scopus 로고    scopus 로고
    • Lapointe BE (1999) Simultaneous top-down and bottom-up forces control macroalgal blooms on coral reefs - (Reply to the comment by Hughes et al.). Limnol Oceanogr 44:1586-1592
    • Lapointe BE (1999) Simultaneous top-down and bottom-up forces control macroalgal blooms on coral reefs - (Reply to the comment by Hughes et al.). Limnol Oceanogr 44:1586-1592
  • 31
    • 0000890077 scopus 로고
    • Low-frequency current variability and spin-off eddies along shelf off southeast Florida
    • Lee TN, Mayer DA (1977) Low-frequency current variability and spin-off eddies along shelf off southeast Florida. J Mar Res 35:193-220
    • (1977) J Mar Res , vol.35 , pp. 193-220
    • Lee, T.N.1    Mayer, D.A.2
  • 32
    • 0022214372 scopus 로고
    • Florida Current - low-frequency variability as observed with moored current meters during April 1982 to June 1983
    • Lee TN, Schott FA, Zantopp R (1985) Florida Current - low-frequency variability as observed with moored current meters during April 1982 to June 1983. Science 227:298-302
    • (1985) Science , vol.227 , pp. 298-302
    • Lee, T.N.1    Schott, F.A.2    Zantopp, R.3
  • 33
    • 33746646413 scopus 로고    scopus 로고
    • Intermittent upwelling and subsidized growth of the scleractinian coral Madracis mirabilis on the deep fore-reef slope of Discovery Bay, Jamaica
    • Leichter JJ, Genovese SJ (2006) Intermittent upwelling and subsidized growth of the scleractinian coral Madracis mirabilis on the deep fore-reef slope of Discovery Bay, Jamaica. Mar Ecol Prog Ser 316:95-103
    • (2006) Mar Ecol Prog Ser , vol.316 , pp. 95-103
    • Leichter, J.J.1    Genovese, S.J.2
  • 34
    • 0001138058 scopus 로고    scopus 로고
    • Pulsed delivery of subthermocline water to Conch Reef (Florida Keys) by internal tidal bores
    • Leichter JJ, Wing SR, Miller SL, Denny MW (1996) Pulsed delivery of subthermocline water to Conch Reef (Florida Keys) by internal tidal bores. Limnol Oceanogr 41:1490-1501
    • (1996) Limnol Oceanogr , vol.41 , pp. 1490-1501
    • Leichter, J.J.1    Wing, S.R.2    Miller, S.L.3    Denny, M.W.4
  • 35
  • 36
    • 0042573718 scopus 로고    scopus 로고
    • Episodic nutrient transport to Florida coral reefs
    • Leichter JJ, Stewart HL, Miller SL (2003) Episodic nutrient transport to Florida coral reefs. Limnol Oceanogr 48:1394-1407
    • (2003) Limnol Oceanogr , vol.48 , pp. 1394-1407
    • Leichter, J.J.1    Stewart, H.L.2    Miller, S.L.3
  • 37
    • 29744468021 scopus 로고    scopus 로고
    • Spatial and temporal variability of internal wave forcing on a coral reef
    • Leichter JJ, Deane GB, Stokes MD (2005) Spatial and temporal variability of internal wave forcing on a coral reef. J Phys Oceanogr 35:1945-1962
    • (2005) J Phys Oceanogr , vol.35 , pp. 1945-1962
    • Leichter, J.J.1    Deane, G.B.2    Stokes, M.D.3
  • 38
    • 34249718440 scopus 로고    scopus 로고
    • Nitrogen and oxygen isotopic signatures of subsurface nitrate: Evidence of deep water nutrient sources to the Florida Keys reef tract
    • Leichter JJ, Paytan AP, Wankel S, Hanson K, Miller SL (2007) Nitrogen and oxygen isotopic signatures of subsurface nitrate: evidence of deep water nutrient sources to the Florida Keys reef tract. Limnol Oceanogr 52:1258-1267
    • (2007) Limnol Oceanogr , vol.52 , pp. 1258-1267
    • Leichter, J.J.1    Paytan, A.P.2    Wankel, S.3    Hanson, K.4    Miller, S.L.5
  • 40
    • 0000266239 scopus 로고
    • Models of tropical reef biogenesis: The contribution of algae
    • Littler MM, Littler DS (1984) Models of tropical reef biogenesis: the contribution of algae. Prog Phycol Res 3:323-363
    • (1984) Prog Phycol Res , vol.3 , pp. 323-363
    • Littler, M.M.1    Littler, D.S.2
  • 41
    • 84985268191 scopus 로고
    • Evolutionary strategies in a tropical barrier reef system: Functional-form groups of marine macroalgae
    • Littler MM, Littler DS, Taylor PR (1983) Evolutionary strategies in a tropical barrier reef system: functional-form groups of marine macroalgae. J Phycol 19:229-237
    • (1983) J Phycol , vol.19 , pp. 229-237
    • Littler, M.M.1    Littler, D.S.2    Taylor, P.R.3
  • 42
    • 0022843673 scopus 로고
    • Deep-water plant communities from an uncharted seamount off San Salvador Island, Bahamas: Distribution, abundance, and primary productivity
    • Littler MM, Littler DS, Blair SM, Norris JN (1986) Deep-water plant communities from an uncharted seamount off San Salvador Island, Bahamas: distribution, abundance, and primary productivity. Deep-Sea Res 33:881-892
    • (1986) Deep-Sea Res , vol.33 , pp. 881-892
    • Littler, M.M.1    Littler, D.S.2    Blair, S.M.3    Norris, J.N.4
  • 44
    • 0000941116 scopus 로고
    • Continuous underwater light measurement near Helgoland (North-Sea) and its significance for characteristic light limits in the sublittoral region
    • Lüning K, Dring MJ (1979) Continuous underwater light measurement near Helgoland (North-Sea) and its significance for characteristic light limits in the sublittoral region. Helgoländer wiss Meeresunters 32:403-424
    • (1979) Helgoländer wiss Meeresunters , vol.32 , pp. 403-424
    • Lüning, K.1    Dring, M.J.2
  • 45
    • 0032715938 scopus 로고    scopus 로고
    • Macroalgae, nutrients and phase shifts on coral reefs: Scientific issues and management consequences for the Great Barrier Reef
    • McCook LJ (1999) Macroalgae, nutrients and phase shifts on coral reefs: scientific issues and management consequences for the Great Barrier Reef. Coral Reefs 18:357-367
    • (1999) Coral Reefs , vol.18 , pp. 357-367
    • McCook, L.J.1
  • 46
    • 10744232635 scopus 로고    scopus 로고
    • Mangroves enhance the biomass of coral reef fish communities in the Caribbean
    • Mumby PJ, Edwards AJ, Arias-Gonzalez JE, Lindeman KC and 8 others (2004) Mangroves enhance the biomass of coral reef fish communities in the Caribbean. Nature 427:533-536
    • (2004) Nature , vol.427 , pp. 533-536
    • Mumby, P.J.1    Edwards, A.J.2    Arias-Gonzalez, J.E.3    Lindeman, K.C.4
  • 47
    • 42249115660 scopus 로고
    • Optics of the sea: Interface and in-water transmission and imaging. Advisory Group for Aerospace Research and Development
    • NATO North Atlantic Treaty Organization, Electromagnetic Wave Propagation Panel. 1973, National Aeronautics and Space Administration, Washington, DC
    • NATO (North Atlantic Treaty Organization) (1973) Optics of the sea: interface and in-water transmission and imaging. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. 1973. AGARD lecture series, no. 61. National Aeronautics and Space Administration, Washington, DC
    • (1973) AGARD lecture series , vol.61
  • 48
    • 33645103853 scopus 로고    scopus 로고
    • Competition for nutrients and light: Stable coexistence, alternative stable states, or competitive exclusion?
    • Passarge J, Hol S, Escher M, Huisman J (2006) Competition for nutrients and light: stable coexistence, alternative stable states, or competitive exclusion? Ecol Monogr 76:57-72
    • (2006) Ecol Monogr , vol.76 , pp. 57-72
    • Passarge, J.1    Hol, S.2    Escher, M.3    Huisman, J.4
  • 49
    • 9244231296 scopus 로고    scopus 로고
    • Nutrient and growth dynamics of Halimeda tuna on Conch Reef, Florida Keys: Possible influence of internal tides on nutrient status and physiology
    • Smith JE, Smith CM, Vroom PS, Beach KL, Miller S (2004) Nutrient and growth dynamics of Halimeda tuna on Conch Reef, Florida Keys: possible influence of internal tides on nutrient status and physiology. Limnol Oceanogr 49:1923-1936
    • (2004) Limnol Oceanogr , vol.49 , pp. 1923-1936
    • Smith, J.E.1    Smith, C.M.2    Vroom, P.S.3    Beach, K.L.4    Miller, S.5
  • 50
    • 28444499091 scopus 로고    scopus 로고
    • Characterization of a large-scale ephemeral bloom of the green alga Cladophora sericea on the coral reefs of West Maui, Hawai'i
    • Smith JE, Runcie JW, Smith CM (2005) Characterization of a large-scale ephemeral bloom of the green alga Cladophora sericea on the coral reefs of West Maui, Hawai'i. Mar Ecol Prog Ser 302:77-91
    • (2005) Mar Ecol Prog Ser , vol.302 , pp. 77-91
    • Smith, J.E.1    Runcie, J.W.2    Smith, C.M.3
  • 51
    • 0019735731 scopus 로고
    • Kaneohe Bay sewage diversion experiment: Perspectives on ecosystem responses to nutritional perturbation
    • Smith SV, Kimmerer WJ, Laws EA, Brock RE, Walsh TW (1981) Kaneohe Bay sewage diversion experiment: perspectives on ecosystem responses to nutritional perturbation. Pac Sci 35:279-385
    • (1981) Pac Sci , vol.35 , pp. 279-385
    • Smith, S.V.1    Kimmerer, W.J.2    Laws, E.A.3    Brock, R.E.4    Walsh, T.W.5
  • 52
    • 0037388763 scopus 로고    scopus 로고
    • Composition, distribution, and abundance of deep-water (> 30 m) macroalgae in central California
    • Spalding H, Foster MS, Heine JN (2003) Composition, distribution, and abundance of deep-water (> 30 m) macroalgae in central California. J Phycol 39:273-284
    • (2003) J Phycol , vol.39 , pp. 273-284
    • Spalding, H.1    Foster, M.S.2    Heine, J.N.3
  • 53
    • 0028163801 scopus 로고
    • A functional-group approach to the structure of algal-dominated communities
    • Steneck RS, Dethier MN (1994) A functional-group approach to the structure of algal-dominated communities. Oikos 69:476-498
    • (1994) Oikos , vol.69 , pp. 476-498
    • Steneck, R.S.1    Dethier, M.N.2
  • 54
    • 0028160369 scopus 로고
    • Grazing halos and predation on juvenile Caribbean surgeonfishes
    • Sweatman H, Robertson DR (1994) Grazing halos and predation on juvenile Caribbean surgeonfishes. Mar Ecol Prog Ser 111:1-6
    • (1994) Mar Ecol Prog Ser , vol.111 , pp. 1-6
    • Sweatman, H.1    Robertson, D.R.2
  • 56
    • 0034768657 scopus 로고    scopus 로고
    • Mangrove forests: One of the world's threatened major tropical environments
    • Valiela I, Bowen JL, York JK (2001) Mangrove forests: one of the world's threatened major tropical environments. BioScience 51:807-815
    • (2001) BioScience , vol.51 , pp. 807-815
    • Valiela, I.1    Bowen, J.L.2    York, J.K.3
  • 57
    • 0028977845 scopus 로고
    • Detritus-based patches of high secondary production in the nearshore benthos
    • Vetter EW (1995) Detritus-based patches of high secondary production in the nearshore benthos. Mar Ecol Prog Ser 120:251-262
    • (1995) Mar Ecol Prog Ser , vol.120 , pp. 251-262
    • Vetter, E.W.1
  • 59
    • 0002940927 scopus 로고    scopus 로고
    • Seagrass community ecology
    • Bertness MD, Gaines SD, Hay ME eds, Sinauer Associates, Sunderland, MA, p
    • Williams SL, Heck KL Jr (2001) Seagrass community ecology. In: Bertness MD, Gaines SD, Hay ME (eds) Marine community ecology. Sinauer Associates, Sunderland, MA, p 317-337
    • (2001) Marine community ecology , pp. 317-337
    • Williams, S.L.1    Heck Jr, K.L.2


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