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Volumn 80, Issue 6, 1999, Pages 2018-2032

Shrub seedling recruitment in unburned Californian coastal sage scrub and adjacent grassland

Author keywords

Artemisia californica; Coastal sage scrub; Eriogonum fasciculatum; Herbivory; Lotus scoparius; Salvia apiana; Shrub recruitment; Small scale disturbance

Indexed keywords

ENVIRONMENTAL DISTURBANCE; GAP DYNAMICS; RECRUITMENT; SEEDLING ESTABLISHMENT; SHRUB;

EID: 0032851958     PISSN: 00129658     EISSN: None     Source Type: Journal    
DOI: 10.1890/0012-9658(1999)080[2018:SSRIUC]2.0.CO;2     Document Type: Article
Times cited : (47)

References (64)
  • 1
    • 0020925898 scopus 로고
    • Experiments on seed predation by rodents and ants in the Israeli desert
    • Abramsky, Z. 1983. Experiments on seed predation by rodents and ants in the Israeli desert. Oecologia 57:328-332.
    • (1983) Oecologia , vol.57 , pp. 328-332
    • Abramsky, Z.1
  • 2
    • 0001367885 scopus 로고
    • Bare zone between California shrub and grassland communities: The role of animals
    • Bartholomew, B. 1970. Bare zone between California shrub and grassland communities: the role of animals. Science 170:1210-1212.
    • (1970) Science , vol.170 , pp. 1210-1212
    • Bartholomew, B.1
  • 3
    • 0027834676 scopus 로고
    • Predation hazard and seed removal by small mammals: Microhabitat versus patch scale effects
    • Bowers, M. A., and J. L. Dooley, Jr. 1993. Predation hazard and seed removal by small mammals: microhabitat versus patch scale effects. Oecologia 94:247-254.
    • (1993) Oecologia , vol.94 , pp. 247-254
    • Bowers, M.A.1    Dooley J.L., Jr.2
  • 4
    • 0024223883 scopus 로고
    • Woody plant seed dispersal and gap formation in a North American subtropical savanna woodland: The role of domestic herbivores
    • Brown, J. R., and S. Archer. 1987. Woody plant seed dispersal and gap formation in a North American subtropical savanna woodland: the role of domestic herbivores. Vegetatio 73:73-80.
    • (1987) Vegetatio , vol.73 , pp. 73-80
    • Brown, J.R.1    Archer, S.2
  • 5
    • 0027099578 scopus 로고
    • Effect of shrubs on recruitment of Quercus douglasii and Quercus lobata in California
    • Callaway, R. M. 1992. Effect of shrubs on recruitment of Quercus douglasii and Quercus lobata in California. Ecology 73:2118-2128.
    • (1992) Ecology , vol.73 , pp. 2118-2128
    • Callaway, R.M.1
  • 6
    • 0027384073 scopus 로고
    • Vegetation dynamics, fire, and the physical environment in coastal central California
    • Callaway, R. M., and F. W. Davis. 1993. Vegetation dynamics, fire, and the physical environment in coastal central California. Ecology 74:1567-1578.
    • (1993) Ecology , vol.74 , pp. 1567-1578
    • Callaway, R.M.1    Davis, F.W.2
  • 7
    • 0002196011 scopus 로고
    • Effects of fire on factors controlling plant growth in Adenostoma chaparral
    • Christensen, N. L., and C. H. Muller. 1975. Effects of fire on factors controlling plant growth in Adenostoma chaparral. Ecological Monographs 45:29-55.
    • (1975) Ecological Monographs , vol.45 , pp. 29-55
    • Christensen, N.L.1    Muller, C.H.2
  • 8
    • 0024198107 scopus 로고
    • The effects of disturbance size and frequency on a shortgrass plant community
    • Coffin, D. P., and W. K. Lauenroth. 1988. The effects of disturbance size and frequency on a shortgrass plant community. Ecology 69:1609-1617.
    • (1988) Ecology , vol.69 , pp. 1609-1617
    • Coffin, D.P.1    Lauenroth, W.K.2
  • 9
    • 0022839371 scopus 로고
    • Mima mounds as an indicator of the presettlement grassland-chaparral boundary in San Diego County, California
    • Cox, G. W. 1986. Mima mounds as an indicator of the presettlement grassland-chaparral boundary in San Diego County, California. American Midland Naturalist 116:67-77.
    • (1986) American Midland Naturalist , vol.116 , pp. 67-77
    • Cox, G.W.1
  • 10
    • 0002019969 scopus 로고
    • Interaction between a shrub, Baccharis pilularis subsp. conxanguinea (Asteraceae), and an annual grass. Bromus mollis (Poaceae), in coastal California
    • Da Silva, P. G., and J. W. Bartolome. 1984. Interaction between a shrub, Baccharis pilularis subsp. conxanguinea (Asteraceae), and an annual grass. Bromus mollis (Poaceae), in coastal California. Madrono 31:93-101.
    • (1984) Madrono , vol.31 , pp. 93-101
    • Da Silva, P.G.1    Bartolome, J.W.2
  • 11
    • 0013534216 scopus 로고
    • Exclosure technique in ecology
    • Daubenmire. R. F. 1940. Exclosure technique in ecology. Ecology 21:514-515.
    • (1940) Ecology , vol.21 , pp. 514-515
    • Daubenmire, R.F.1
  • 12
    • 0013401324 scopus 로고
    • Patterns of plant species diversity during succession under different disturbance regimes
    • Denslow, J. S. 1980. Patterns of plant species diversity during succession under different disturbance regimes. Oecologia 46:18-21.
    • (1980) Oecologia , vol.46 , pp. 18-21
    • Denslow, J.S.1
  • 14
    • 0027800344 scopus 로고
    • Spatial heterogeneity and the design of ecological field experiments
    • Dutilleul, P. 1993. Spatial heterogeneity and the design of ecological field experiments. Ecology 74:1646-1658.
    • (1993) Ecology , vol.74 , pp. 1646-1658
    • Dutilleul, P.1
  • 17
    • 0020918574 scopus 로고
    • European rabbits versus native rodents in Central Chile: Effects on shrub seedlings
    • Fuentes, E. R., F. M. Jaksic, and J. A. Simonetti. 1983. European rabbits versus native rodents in Central Chile: effects on shrub seedlings. Oecologia 58:411-414.
    • (1983) Oecologia , vol.58 , pp. 411-414
    • Fuentes, E.R.1    Jaksic, F.M.2    Simonetti, J.A.3
  • 18
    • 0025995128 scopus 로고
    • Tree and shrub seedling colonization of old fields in central New York
    • Gill, D. S., and P. L. Marks. 1991. Tree and shrub seedling colonization of old fields in central New York. Ecological Monographs 61:183-205.
    • (1991) Ecological Monographs , vol.61 , pp. 183-205
    • Gill, D.S.1    Marks, P.L.2
  • 19
    • 0004444375 scopus 로고
    • Competition for light and a dynamic boundary between chaparral and coastal sage scrub
    • Gray, J. T. 1983. Competition for light and a dynamic boundary between chaparral and coastal sage scrub. Madroño 30: 43-49.
    • (1983) Madroño , vol.30 , pp. 43-49
    • Gray, J.T.1
  • 20
    • 0000692163 scopus 로고
    • Relationship between animal activity and bare areas associated with California sagebrush in annual grassland
    • Halligan, J. P. 1974. Relationship between animal activity and bare areas associated with California sagebrush in annual grassland. Journal of Range Management 27:358-362.
    • (1974) Journal of Range Management , vol.27 , pp. 358-362
    • Halligan, J.P.1
  • 21
    • 0022880740 scopus 로고
    • Characterizing the boundary between California annual grassland and coastal sage scrub with differential profiles
    • Hobbs, E. R. 1986. Characterizing the boundary between California annual grassland and coastal sage scrub with differential profiles. Vegetatio 65:115-126.
    • (1986) Vegetatio , vol.65 , pp. 115-126
    • Hobbs, E.R.1
  • 22
    • 0023486826 scopus 로고
    • Gophers and grassland: A model of vegetation response to patchy soil disturbance
    • Hobbs, R. J., and V. J. Hobbs. 1987. Gophers and grassland: a model of vegetation response to patchy soil disturbance. Vegetatio 69:141-146.
    • (1987) Vegetatio , vol.69 , pp. 141-146
    • Hobbs, R.J.1    Hobbs, V.J.2
  • 23
    • 0000959508 scopus 로고
    • Community changes following shrub invasion of grassland
    • Hobbs, R. J., and H. A. Mooney. 1986. Community changes following shrub invasion of grassland. Oecologia 70:508-513.
    • (1986) Oecologia , vol.70 , pp. 508-513
    • Hobbs, R.J.1    Mooney, H.A.2
  • 24
    • 0003087693 scopus 로고
    • Ecology of pollination and seed dispersal
    • M. J. Crawley, editor. Blackwell Scientific, Oxford, UK
    • Howe, H. F., and L. C. Westley. 1986. Ecology of pollination and seed dispersal. Pages 185-215 in M. J. Crawley, editor. Plant ecology. Blackwell Scientific, Oxford, UK.
    • (1986) Plant Ecology , pp. 185-215
    • Howe, H.F.1    Westley, L.C.2
  • 25
    • 0028161430 scopus 로고
    • Post-dispersal seed predation in grassland: Its magnitude and sources of variation
    • Hulme, P. E. 1994. Post-dispersal seed predation in grassland: its magnitude and sources of variation. Journal of Ecology 82:645-652.
    • (1994) Journal of Ecology , vol.82 , pp. 645-652
    • Hulme, P.E.1
  • 26
    • 0026395612 scopus 로고
    • Herbivores and the dynamics of communities and ecosystems
    • Huntley, N. 1991. Herbivores and the dynamics of communities and ecosystems. Annual Review of Ecology and Systematics 22:477-503.
    • (1991) Annual Review of Ecology and Systematics , vol.22 , pp. 477-503
    • Huntley, N.1
  • 27
    • 0001542860 scopus 로고
    • Pocket gophers in ecosystems: Patterns and mechanisms
    • Huntley, N., and R. Inouye. 1988. Pocket gophers in ecosystems: patterns and mechanisms. BioScience 38:786-793.
    • (1988) BioScience , vol.38 , pp. 786-793
    • Huntley, N.1    Inouye, R.2
  • 28
    • 0023477443 scopus 로고
    • Role of fire in seed germination of woody taxa in California chaparral
    • Keeley, J. E. 1987. Role of fire in seed germination of woody taxa in California chaparral. Ecology 68:434-443.
    • (1987) Ecology , vol.68 , pp. 434-443
    • Keeley, J.E.1
  • 29
    • 0026299620 scopus 로고
    • Seed germination and life history syndromes in the California chaparral
    • _. 1991. Seed germination and life history syndromes in the California chaparral. The Botanical Review 57:81-116.
    • (1991) The Botanical Review , vol.57 , pp. 81-116
  • 30
    • 0000303477 scopus 로고
    • Seed germination patterns in fire-prone mediterranean-climate regions
    • Chile, California, and Australia. Springer-Verlag, New York, New York, USA
    • _. 1995. Seed germination patterns in fire-prone mediterranean-climate regions. Pages 239-273 in M. T. Kalin Arroyo, P. H. Zedler, and M. D. Fox, editors. Ecology and biogeography of mediterranean ecosystems, Chile, California, and Australia. Springer-Verlag, New York, New York, USA.
    • (1995) Ecology and Biogeography of Mediterranean Ecosystems , pp. 239-273
    • Kalin Arroyo, M.T.1    Zedler, P.H.2    Fox, M.D.3
  • 31
    • 0002441018 scopus 로고
    • Differential seed predation on two species of Arctostaphylos (Ericaceae)
    • Keeley, J. E., and R. L. Hays. 1976. Differential seed predation on two species of Arctostaphylos (Ericaceae). Oecologia 24:71-81.
    • (1976) Oecologia , vol.24 , pp. 71-81
    • Keeley, J.E.1    Hays, R.L.2
  • 32
    • 0006043972 scopus 로고
    • The initial pattern of revegetation of pocket gopher mounds
    • Laycock, W. A. 1958. The initial pattern of revegetation of pocket gopher mounds. Ecology 39:346-351.
    • (1958) Ecology , vol.39 , pp. 346-351
    • Laycock, W.A.1
  • 33
    • 0002954224 scopus 로고
    • Predation in the dynamics of seed regeneration
    • M. A. Leck, V. T. Parker, and R. L. Simpson, editors. Academic Press, San Diego. California, USA
    • Louda, S. M. 1989. Predation in the dynamics of seed regeneration. Pages 25-51 in M. A. Leck, V. T. Parker, and R. L. Simpson, editors. Ecology of soil seed banks. Academic Press, San Diego. California, USA.
    • (1989) Ecology of Soil Seed Banks , pp. 25-51
    • Louda, S.M.1
  • 34
    • 0002698742 scopus 로고
    • Effect of seed predation on plant regeneration: Evidence from Pacific Basin mediterranean scrub communities
    • California, and Australia. Springer-Verlag, New York, New York, USA
    • _. 1995. Effect of seed predation on plant regeneration: evidence from Pacific Basin mediterranean scrub communities. Pages 31 1-344 in M. T. K. Arroyo. P. H. Zedler, and M. D. Fox. editors. Ecology and biogeography of mediterranean ecosystems in Chile. California, and Australia. Springer-Verlag, New York, New York, USA.
    • (1995) Ecology and Biogeography of Mediterranean Ecosystems in Chile , pp. 311-344
    • Arroyo, M.T.K.1    Zedler, P.H.2    Fox, M.D.3
  • 35
    • 0020429870 scopus 로고
    • Post-fire regeneration strategies of Californian coastal sage shrubs
    • Malanson, G. P., and J. F. O'Leary. 1982 Post-fire regeneration strategies of Californian coastal sage shrubs. Occologia 53:355-358.
    • (1982) Occologia , vol.53 , pp. 355-358
    • Malanson, G.P.1    O'Leary, J.F.2
  • 36
    • 0022230235 scopus 로고
    • Posture succession in Californian coastal sage scrub: The role of continual basal sprouting
    • Malanson, G. P., and W. E. Westman. 1985. Posture succession in Californian coastal sage scrub: the role of continual basal sprouting. The American Midland Naturalist 113:309-318.
    • (1985) The American Midland Naturalist , vol.113 , pp. 309-318
    • Malanson, G.P.1    Westman, W.E.2
  • 37
    • 0025233157 scopus 로고
    • Microdisturbances in oldfields and forests: Implications for woody seedling establishment
    • McCarthy, B. C., and J. M. Facelli. 1990. Microdisturbances in oldfields and forests: implications for woody seedling establishment. Oikos 58:55-60.
    • (1990) Oikos , vol.58 , pp. 55-60
    • McCarthy, B.C.1    Facelli, J.M.2
  • 38
    • 0000213853 scopus 로고
    • Community structure in sympatric rodents
    • McCloskey, R. T. 1976. Community structure in sympatric rodents. Ecology 57:728-739.
    • (1976) Ecology , vol.57 , pp. 728-739
    • McCloskey, R.T.1
  • 39
    • 0000359847 scopus 로고
    • Food relationships of a rodent fauna in a California coastal sage scrub community
    • Meserve, P. L. 1976. Food relationships of a rodent fauna in a California coastal sage scrub community. Journal of Mammology 57:300-319.
    • (1976) Journal of Mammology , vol.57 , pp. 300-319
    • Meserve, P.L.1
  • 40
    • 0020894214 scopus 로고
    • Herbivory and seedling establishment in posture southern California chaparral
    • Mills, J. N. 1983. Herbivory and seedling establishment in posture southern California chaparral. Oecologia 60:267-270.
    • (1983) Oecologia , vol.60 , pp. 267-270
    • Mills, J.N.1
  • 42
    • 0023516450 scopus 로고
    • Ecological scale and habitat use
    • Morris, D. W. 1987. Ecological scale and habitat use. Ecology 68:362-369.
    • (1987) Ecology , vol.68 , pp. 362-369
    • Morris, D.W.1
  • 43
    • 0000513513 scopus 로고
    • The role of chemical inhibition (allelopathy) in vegetational composition
    • Muller, C. H. 1966. The role of chemical inhibition (allelopathy) in vegetational composition. Bulletin of the Torrey Botanical Club 93:332-351.
    • (1966) Bulletin of the Torrey Botanical Club , vol.93 , pp. 332-351
    • Muller, C.H.1
  • 44
    • 0001361175 scopus 로고
    • Animal influences on ecosystem dynamics
    • Naiman, R. J. 1988. Animal influences on ecosystem dynamics. BioScience 38:750-752.
    • (1988) BioScience , vol.38 , pp. 750-752
    • Naiman, R.J.1
  • 46
    • 0002816298 scopus 로고
    • Small-mammal herbivores in a patchy environment: Individual strategies and population responses
    • M. D. Hunter, T Ohgushi, and P. W. Price, editors. Academic Press. San Diego, California, USA
    • Ostfield R. S. 1992. Small-mammal herbivores in a patchy environment: individual strategies and population responses. Pages 44-74 in M. D. Hunter, T Ohgushi, and P. W. Price, editors. Effects of resource distribution on animal-plant interactions. Academic Press. San Diego, California, USA.
    • (1992) Effects of Resource Distribution on Animal-plant Interactions , pp. 44-74
    • Ostfield, R.S.1
  • 47
    • 0030614011 scopus 로고    scopus 로고
    • Effects of rodents on survival of tree seeds and seedlings invading old fields
    • Ostfield R. S., R. H. Manson, and C. D. Canham. 1997. Effects of rodents on survival of tree seeds and seedlings invading old fields. Ecology 78:1531-1542.
    • (1997) Ecology , vol.78 , pp. 1531-1542
    • Ostfield, R.S.1    Manson, R.H.2    Canham, C.D.3
  • 48
    • 0024927810 scopus 로고
    • Species interactions in a successional grassland. III. Effects of canopy gaps, gopher mounds and grazing on colonization
    • Peart, D. R. 1989. Species interactions in a successional grassland. III. Effects of canopy gaps, gopher mounds and grazing on colonization. Journal of Ecology 77:267-289.
    • (1989) Journal of Ecology , vol.77 , pp. 267-289
    • Peart, D.R.1
  • 49
    • 0024525994 scopus 로고
    • The ecological concept of disturbance and its expression at various hierarchical level
    • Peart, D. R., J. Kolasa, J. J. Armesto, and S. L. Collins. 1989. The ecological concept of disturbance and its expression at various hierarchical level. Oikos 54:129-136.
    • (1989) Oikos , vol.54 , pp. 129-136
    • Peart, D.R.1    Kolasa, J.2    Armesto, J.J.3    Collins, S.L.4
  • 51
    • 0003126167 scopus 로고
    • Rodents as seed consumers and dispersers
    • D. R. Murray, editor. Academic Press, Sydney, Australia
    • Price, M. V., and S. H. Jenkins. 1986. Rodents as seed consumers and dispersers. Pages 191-235 in D. R. Murray, editor. Seed dispersal. Academic Press, Sydney, Australia.
    • (1986) Seed Dispersal , pp. 191-235
    • Price, M.V.1    Jenkins, S.H.2
  • 52
    • 0021623097 scopus 로고
    • On measuring microhahitat affinities with special reference to small mammals
    • Price, M. V., and K. A. Kramer. 1984. On measuring microhahitat affinities with special reference to small mammals. Oikos 42:349-354.
    • (1984) Oikos , vol.42 , pp. 349-354
    • Price, M.V.1    Kramer, K.A.2
  • 53
    • 0021537615 scopus 로고
    • On the relative abundance of species: Posture changes in a coastal sage scrub rodent community
    • Price, M. V., and N. M. Waser, 1984. On the relative abundance of species: posture changes in a coastal sage scrub rodent community. Ecology 00:1161-1169.
    • (1984) Ecology , pp. 1161-1169
    • Price, M.V.1    Waser, N.M.2
  • 54
    • 0001342187 scopus 로고
    • Distinct animal-generated edge effects in a tallgrass prairie community
    • Reichman, O. J., J. H. Benedix Jr., and T. R. Seastedt. 1993. Distinct animal-generated edge effects in a tallgrass prairie community. Ecology 74:1281-1285.
    • (1993) Ecology , vol.74 , pp. 1281-1285
    • Reichman, O.J.1    Benedix J.H., Jr.2    Seastedt, T.R.3
  • 55
    • 0344826348 scopus 로고
    • Pocket gophers and seedlings of red fir
    • Tevis, Jr. L., 1956. Pocket gophers and seedlings of red fir. Ecology 37:379-381.
    • (1956) Ecology , vol.37 , pp. 379-381
    • Tevis L., Jr.1
  • 56
    • 0030616838 scopus 로고    scopus 로고
    • Small-mammal regulation of vegetation structure in a temperate savanna
    • Weltzin, J. E. S. Archer, and R. K. Heitschmidt. 1997. Small-mammal regulation of vegetation structure in a temperate savanna. Ecology 78:751-763.
    • (1997) Ecology , vol.78 , pp. 751-763
    • Weltzin, J.E.1    Archer, S.2    Heitschmidt, R.K.3
  • 57
    • 0012350626 scopus 로고
    • Plant community structure-spatial partitioning of resources
    • F. J. Kruger, D. T. Mitchell, and J. U. M. Jarvis, editors. Springer-Verlag, Berlin, Germany
    • Westman, W. E. 1983. Plant community structure-spatial partitioning of resources. Pages 417-445 in F. J. Kruger, D. T. Mitchell, and J. U. M. Jarvis, editors. Mediterranean-type ecosystems: the role of nutrients. Springer-Verlag, Berlin, Germany.
    • (1983) Mediterranean-type Ecosystems: The Role of Nutrients , pp. 417-445
    • Westman, W.E.1
  • 58
    • 0000016376 scopus 로고
    • Pattern, process, and natural disturbance in vegetation
    • White, P. S. 1979. Pattern, process, and natural disturbance in vegetation. The Botanical Review 45:229-391.
    • (1979) The Botanical Review , vol.45 , pp. 229-391
    • White, P.S.1
  • 59
    • 0022205953 scopus 로고
    • Natural disturbance and patch dynamics: An introduction
    • S. T. A. Pickett and P. S. White, editors. Academic Press, San Diego, California, USA
    • White, P. S,. and S. T. A. Pickett. 1985. Natural disturbance and patch dynamics: an introduction. Pages 3-13 in S. T. A. Pickett and P. S. White, editors. The ecology of natural disturbance and patch dynamics. Academic Press, San Diego, California, USA.
    • (1985) The Ecology of Natural Disturbance and Patch Dynamics , pp. 3-13
    • White, P.S.1    Pickett, S.T.A.2
  • 60
    • 0028980853 scopus 로고
    • A simulation model for a shrub ecosystem in the scmiarid karoo, South Africa
    • Wiegand, T., S. J. Milton, and C. Wisset. 1995. A simulation model for a shrub ecosystem in the scmiarid karoo, South Africa. Ecology 76:2205-2221.
    • (1995) Ecology , vol.76 , pp. 2205-2221
    • Wiegand, T.1    Milton, S.J.2    Wisset, C.3
  • 61
    • 0024874568 scopus 로고
    • Control of shrub establishment by springtime soil water availability in an annual grassland
    • Williams, K., and R. J. Hobbs. 1989. Control of shrub establishment by springtime soil water availability in an annual grassland. Occologia 81:62-66.
    • (1989) Occologia , vol.81 , pp. 62-66
    • Williams, K.1    Hobbs, R.J.2
  • 63
    • 0002948067 scopus 로고
    • Plant life history and dynamic specialization in the chaparral/coastal sage shrub flora in southern California
    • M. T. Kalin Arroyo, P. H. Zedler, and M. D. Fox, editors. Springer-Verlag, New York, New York, USA
    • Zedler, P. H. 1995. Plant life history and dynamic specialization in the chaparral/coastal sage shrub flora in southern California. Pages 89-115 in M. T. Kalin Arroyo, P. H. Zedler, and M. D. Fox, editors. Ecology and biogeography of mediterranean ecosystems in Chile, California, and Australia. Springer-Verlag, New York, New York, USA.
    • (1995) Ecology and Biogeography of Mediterranean Ecosystems in Chile, California, and Australia , pp. 89-115
    • Zedler, P.H.1
  • 64
    • 0002447726 scopus 로고
    • A population-based critique of concepts of change in the chaparral
    • S. C. Keeley, editor. Science Series, Natural History Museum of Los Angeles County, Los Angeles, California, USA
    • Zedler, P. H., and C. A. Zammit. 1989. A population-based critique of concepts of change in the chaparral. Pages 73-83 in S. C. Keeley, editor. The California chaparral: paradigms reexamined. No. 34 Science Series, Natural History Museum of Los Angeles County, Los Angeles, California, USA.
    • (1989) The California Chaparral: Paradigms Reexamined , vol.34 , pp. 73-83
    • Zedler, P.H.1    Zammit, C.A.2


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