A review on utilizing Bosmina size structure archived in lake sediments to infer historic shifts in predation regimes

Journal of Plankton Research

Volumn 35, Issue 2, 2013, Pages 444-460

  Korosi, Jennifer B ^a   Kurek, Joshua ^a   Smol, John P ^a  

^a QUEEN S UNIVERSITY   (Canada)

Author keywords

Bosmina; cyclomorphosis; lakes; paleolimnology; predation

Indexed keywords

ANTHROPOGENIC EFFECT; AQUATIC ENVIRONMENT; BIOLOGICAL INVASION; CRUSTACEAN; ENVIRONMENTAL CHANGE; ENVIRONMENTAL INDICATOR; ENVIRONMENTAL STRESS; EXTINCTION; FOOD WEB; HISTORICAL ECOLOGY; LACUSTRINE DEPOSIT; PALEOLIMNOLOGY; POLYMORPHISM; POPULATION DYNAMICS; PREDATION; PRIMARY PRODUCTION; SIZE STRUCTURE; SUBFOSSIL;

EID: 84874888260     PISSN: 01427873     EISSN: 14643774     Source Type: Journal    
DOI: 10.1093/plankt/fbt007     Document Type: Review

References (116)

1. Ahlen, E., Bystrom, P., Korsman, T. et al. (2011) Relationships between planktivore community capacity (PCC) and cladoceran microfossils in northern Swedish lakes. Fundam. Appl. Limnol., 178, 315-324.
2. Alexander, M. L. and Hotchkiss, S. C. (2010) Bosmina remains in lake sediments as indicators of zooplankton community composition. J. Paleolimnol., 43, 51-59.
3. Alric, B. and Perga, M.-E. (2011) Effects of production, sedimentation and taphonomic processes on the composition and size structure of sedimenting cladoceran remains in a large deep subalpine lake: paleo-ecological implications. Hydrobiologia, 676, 101-116.
4. Amsinck, S. L., Jeppesen, E. and Landkildehus, F. (2005) Inference of past changes in zooplankton community structure and planktivorous fish abundance from sedimentary subfossils - a study of a coastal lake subjected to major fish kill incidents during the past century. Arch. Hydrobiol., 162, 363-382.
5. Amsinck, S. L., Jeppesen, E. and Ryves, D. (2003) Cladoceran stratigraphy in two shallow brackish lakes with special reference to changes in salinity, macrophyte abundance and fish predation. J. Paleolimnol., 29, 495-507.
6. Amsinck, S. L., Jeppesen, E. and Verschuren, D. (2007) Use of cladoceran resting eggs to trace climate-driven and anthropogenic changes in aquatic ecosystems. In Alekseev, V., De Stasio, B. and Gilbert, J. J. (eds), Diapause in Aquatic Invertebrates: Theory and Human Use. Kluwer, Dordrecht, pp. 135-157.
7. Amundsen, P.-A., Siwertsson, A., Primicerio, R. et al. (2009) Long-term responses of zooplankton to invasion by a planktivorous fish in a subarctic watercourse. Freshw. Biol., 54, 24-34.
8. Black, R. W. (1980) The nature and causes of cyclomorphosis in a species of the Bosmina longirostris complex. Ecology, 61, 1122-1132.
9. Black, R. W. and Hairston, N. G. Jr. (1983) Cyclomorphosis in Eubosmina longispina in a small North American pond. Hydrobiologia, 102, 61-67.
10. Brahney, J., Routledge, R., Bos, D. G. et al. (2010) Changes to the productivity and trophic structure of a sockeye salmon rearing lake in British Columbia. N. Am. J. Fish. Manag., 30, 433-444.
11. Branstrator, D. K. and Lehman, J. T. (1991) Invertebrate predation in Lake Michigan: regulation of Bosmina longirostris by Leptodora kindtii. Limnol. Oceanogr., 36, 483-495.
12. Brooks, J. L. and Dodson, S. I. (1965) Predation, body size, and composition of plankton. Science, 150, 28-35.
13. Browman, H. I., Kruse, S. and O'Brien, W. J. (1989) Foraging behavior of the predaceous cladoceran, Leptodora kindtii, and escape responses of their prey. J. Plankton Res., 11, 1075-1088.
14. Brugam, R. B. and Speziale, B. J. (1983) Human disturbance and the paleolimnological record of change in the zooplankton community of Lake Harriet, Minnesota. Ecology, 64, 578-591.
15. Bungartz, B. and Branstrator, D. K. (2003) Morphological changes in Daphnia mendotae in the chemical presence of Bythotrephes longimanus. Arch. Hydrobiol., 158, 97-108.
16. Carpenter, S. R. and Kitchell, J. F. (1995) The Trophic Cascade in Lakes. Cambridge University Press, Cambridge, UK.
17. Chang, K. H. and Hanazato, T. (2002) Morphological defense of Bosmina fatalis against invertebrate predators in Lake Suwa. Verh. Int. Ver. Theor. Angew. Limnol., 28, 1279-1283
18. Chang, K. H. and Hanazato, T. (2003a) Seasonal and reciprocal succession and cyclomorphosis of two Bosmina species (Cladocera, Crustacea) co-existing in a lake: their relationship with invertebrate predators. J. Plankton Res., 25, 141-150.
19. Chang, K. H. and Hanazato, T. (2003b) Vulnerability of cladoceran species to predation by the copepod Mesocyclops leuckarti: laboratory observations on the behavioural interactions between predator and prey. Freshw. Biol., 48, 476-484.
20. Chang, K. H. and Hanazato, T. (2004) Predation impact of Leptodora kindtii on population dynamics and morphology of Bosmina fatalis and B. longirostris in mesocosms. Freshw. Biol., 49, 253-264.
21. Chen, G., Selbie, D.T., Finney, B. P. et al. (2011) Long-term zooplankton responses to nutrient and consumer subsidies arising from migratory sockeye salmon Oncorhynchus nerka. Oikos, 120, 1317-1326.
22. Davidson, T. A., Sayer, C. D., Langson, P. G. et al. (2010) Inferring past zooplanktivorous fish and macrophyte density in a shallow lake: application of a new regression tree model. Freshw. Biol., 55, 584-599.
23. Davidson, T. A., Sayer, C. D., Perrow, M. R. et al. (2003) Representation of fish communities by scale sub-fossils in shallow lakes: implications for inferring percid-cyprinid shifts. J. Paleolimnol., 30, 441-449.
24. Deevey, E. D. and Deevey, G. B. (1971) The American species of Eubosmina seligo (Crustacea Cladocera). Limnol. Oceanogr., 16, 201-218.
25. Deevey, E. S. (1942) Studies on Connecticut lake sediments III: the biostratonomy of Linsley Pond. Am. J. Sci., 240, 233-264.
26. De Melo, R. and Hebert, P. D. N. (1994) A taxonomic reevaluation of North American Bosminidae. Can. J. Zool., 72, 1808-1825.
27. DeMott, W. R. and Kerfoot, W. C. (1982) Competition among cladocerans: nature of the interaction between Bosmina and Daphnia. Ecology, 63, 1949-1966.
28. DeStasio, B. T., Howard, E., Hanson, R. et al. (1990) Cyclomorphosis in Eubosmina species in New England lakes, USA. Verh. Int. Ver. Theor. Angew. Limnol., 24, 481-486.
29. Dodson, S. I. (1974a) Zooplankton competition and predation: an experimental test of the size-efficiency hypothesis. Ecology, 55, 605-613.
30. Dodson, S. I. (1974b) Adaptive change in plankton morphology in response to size-selective predation: a new hypothesis of cyclomorphosis. Limnol. Oceanogr., 19, 721-729.
31. Duffy, M. A., Perry, L. J., Kearns, C. M. et al. (2000) Paleogenetic evidence for a past invasion of Onondaga Lake, New York, by exotic Daphnia curvirostris using mtDNA from dormant eggs. Limnol. Oceanogr., 45, 1409-1414
32. Faustova, M., Sacherova, V., Svensson, J.-E. et al. (2011) Radiation of European Eubosmina (Cladocera) from Bosmina (E.) longispina-concordance of multipopulation molecular data with paleolimnology. Limnol. Oceanogr., 56, 440-450.
33. Frey, D. G. (1955) Langsee: a history of meromixis. Mem. Ist. Ital. Idrobiol. Suppl., 8, 141-164.
34. Gasiorowski, M. and Szeroczynska, K. (2004) Abrupt changes in Bosmina (Cladocera, Crustacea) assemblages during the history of the Ostrowite Lake (northern Poland). Hydrobiologia, 526, 137-144.
35. Goulden, C. (1964) The history of the cladoceran fauna of Esthwaite Water, England, and its limnological significance. Arch. Hydrobiol., 60, 1-52.
36. Goulden, C. and Frey, D. G. (1963) The occurrence and significance of lateral head pores in the genus Bosmina (Cladocera). Int. Rev. ges. Hydrobiol., 48, 513-522.
37. Hampton, S. E. and Gilbert, J. J. (2001) Observations of insect predation on rotifers. Hydrobiologia, 446/447, 115-121.
38. Haney, R. A. and Taylor, D. J. (2003) Testing paleolimnological predictions with molecular data: the origins of Holarctic Eubosmina. J. Evol. Biol., 16, 871-882.
39. Hann, B. J., Leavitt, P. R. and Chang, P. S. S. (1994) Cladocera community response to experimental eutrophication in Lake 227 as recorded in laminated sediments. Can. J. Fish. Aquat. Sci., 51, 2312-2321.
40. Havel, J. E. (1985) Cyclomorphosis of Daphnia pulex spined morphs. Limnol. Oceanogr., 30, 853-861.
41. Havens, K. and DeCosta, J. (1985) The effect of acidification in enclosures on the biomass and population size structure of Bosmina longirostris. Hydrobiologia, 122, 153-158.
42. Hebert, P. D. N. (1978) The adaptive significance of cyclomorphosis in Daphnia: more possibilities. Freshw. Biol., 8, 313-320.
43. Hebert, P. D. N. and Grewe, P. M. (1985) Chaoborus-induced shifts in the morphology of Daphnia ambigua. Limnol. Oceanogr., 30, 1291-1297.
44. Hellsten, M., Lagergren, R. and Stenson, J. (1999) Can extreme morphology in Bosmina reduce predation risk from Leptodora? An experimental test. Oecologia, 118, 23-28.
45. Hellsten, M. E. and Stenson, J. A. E. (1995) Cyclomorphosis in a population of Bosmina coregoni. Hydrobiologia, 312, 1-9.
46. Hofmann, W. (1977) Bosmina (Eubosmina) populations of the Grosser Segeberger See during late glacial and postglacial times. Arch. Hydrobiol., 80, 349-359.
47. Hofmann, W. (1984) Morphological variation in a late glacial population of Bosmina longispina Leydig (Crustacea, Cladocera) from the Lobsigensee (Swiss Plateau). Studies in the Late-Quaternary of Lobsigensee 9. Schweiz. Z. Hydrol., 46, 139-146.
48. Hofmann, W. (1986) On the relationship between the Bosmina taxa coregoni and thersites (Cladocera), as indicated by subfossil remains. Hydrobiologia, 143, 119-121.
49. Hofmann, W. (1987a) Cladocera in space and time: analysis of lake sediments. Hydrobiologia, 145, 315-321.
50. Hofmann, W. (1987b) The late Pleistocene/Holocene and recent Bosmina (Eubosmina) fauna (Crustacea: Cladocera) of the pre-alpine Starnberger See (FRG). J. Plankton Res., 9, 381-394.
51. Hofmann, W. (1991) The late-glacial/Holocene Bosmina (Eubosmina) fauna of Lake Constance (Untersee) (F.R.G.): traces of introgressive hybridization. Hydrobiologia, 225, 81-85.
52. Hrbacek, J. (1969) On the possibility of estimating predation pressure and nutrition level of populations of Daphnia (Crust., Cladoc.) from their remains in sediments. Mitt. Internat. Verein Limnol., 17, 269-274.
53. Jankowski, T. (2004) Predation of freshwater jellyfish on Bosmina: the consequences for population dynamics, body size, and morphology. Hydrobiologia, 530/531, 521-528.
54. Jeppesen, E., Jensen, J. P., Amsinck, S. et al. (2002) Reconstructing the historical changes in Daphnia mean size and planktivorous fish abundance in lakes from the size of Daphnia ephippia in the sediment. J. Paleolimnol., 27, 133-143.
55. Jeppesen, E., Madsen, E. A. and Jensen, J. P. (1996) Reconstructing past density of planktivorous fish and trophic structure from sedimentary zooplankton fossils: a surface-sediment calibration data set from shallow lakes. Freshw. Biol., 36, 115-127.
56. Jeziorski, A., Paterson, A. M. and Smol, J. P. (2012) Changes since the onset of acid deposition among calcium-sensitive cladoceran taxa within softwater lakes of Ontario, Canada. J. Paleolimnol., 48, 323-337.
57. Jeziorski, A., Yan, N. D., Paterson, A. M. et al. (2008) The widespread threat of calcium decline in fresh waters. Science, 322, 1374-1377.
58. Johnsen, G. H. and Raddum, G. G. (1987) A morphological study of two populations of Bosmina longispina exposed to different predation. J. Plankton Res., 9, 297-304.
59. Kappes, H. and Sinsch, U. (2002) Morphological variation in Bosmina longirostris (O.F. Mu ller, 1785) (Crustacea: Cladocera): consequence of cyclomorphosis or indication of cryptic species? J. Zoolog. Syst. Evol. Res., 40, 113-122.
60. Kattel, G. and Sirocko, F. (2011) Palaeocladocerans as indicators of environmental, cultural, and archaeological developments in Eifal maar lakes region (West Germany) during the Lateglacial and Holocene periods. Hydrobiologia, 676, 203-221.
61. Kerfoot, W. C. (1975a) The divergence of adjacent populations. Ecology, 56, 1298-1313.
62. Kerfoot, W. C. (1975b) Seasonal changes of Bosmina (Crustacea, Cladocera) in Frains Lake, Michigan: laboratory observations of phenotypic changes induced by inorganic factors. Freshw. Biol., 5, 227-243.
63. Kerfoot, W. C. (1977a) Implications of copepod predation. Limnol. Oceanogr., 22, 316-325.
64. Kerfoot, W. C. (1977b) Competition in cladoceran communities: the cost of evolving defenses against copepod predation. Ecology, 58, 303-313.
65. Kerfoot, W. C. (1978) Combat between predatory copepods and their prey: Cyclops, Epischura, and Bosmina. Limnol. Oceanogr., 23, 1089-1102.
66. Kerfoot, W. C. (1981) Long-term replacement cycles in cladoceran communities: a history of predation. Ecology, 62, 216-233.
67. Kerfoot, W. C. (2006) Baltic Eubosmina morphological radiation: sensitivity to invertebrate predators (induction) and observations on genetic differences. Arch. Hydrobiol., 167, 147-168.
68. Kerfoot, W. C., Ma, X., Lorence, C. S. et al. (2004) Toward resurrection ecology: Daphnia mendotae and D. retrocurva in the coastal region of Lake Superior, among the first successful outside invaders? J. Great Lakes Res., 30, 285-299.
69. Kerfoot, W. C. and McNaught, A. S. (2010) Two-step dialogue between the cladoceran Bosmina and invertebrate predators: induction and natural selection. Limnol. Oceanogr., 55, 403-419.
70. Kitchell, J. A. and Kitchell, J. F. (1980) Size selective predation, light transmission, and oxygen stratification: evidence from the recent sediments of manipulated lakes. Limnol. Oceanogr., 25, 389-402.
71. Korosi, J. B., Burke, S. M., Thienpont, J. R. et al. (2012) Lakewater calcium decline linked to an anomalous rise in algal production through food web interactions. Proc. R. Soc. Lond. B. Biol. Sci., 279, 1210-1217.
72. Korosi, J. B., Jeziorski, A. and Smol, J. P. (2011) Using morphological characters of subfossil daphniid postabdominal claws to improve taxonomic resolution within species complexes. Hydrobiologia, 676, 117-128.
73. Korosi, J. B., Paterson, A. M., DeSellas, A. M. et al. (2008) Linking mean body size of pelagic Cladocera to environmental variables in Precambrian Shield lakes: a paleolimnological approach. J. Limnol., 67, 22-34.
74. Korosi, J. B., Paterson, A. M., DeSellas, A. M. et al. (2010) Comparison of present-day and pre-industrial changes in Bosmina and Daphnia size structure from soft-water Ontario lakes. Can. J. Fish. Aquat. Sci., 67, 754-762.
75. Korosi, J. B. and Smol, J. P. (2012) Examining the effects of climate change, acidic deposition, and copper sulphate poisoning on longterm changes in cladoceran assemblages. Aquat. Sci., 74, 781-792.
76. Krueger, D. A. and Dodson, S. I. (1981) Embryological induction and predation ecology in Daphnia pulex. Limnol. Oceanogr., 26, 219-223.
77. Kurek, J., Weeber, R. C. and Smol, J. P. (2011) Environment trumps predation and spatial factors in structuring cladoceran communities from Boreal Shield lakes. Can. J. Fish. Aquat. Sci., 68, 1408-1419.
78. Laforsch, C. and Tollrian, R. (2004) Inducible defenses in multipredator environments: cyclomorphosis in Daphnia cucullata. Ecology, 85, 2302-2311.
79. Lagergren, R., Hellsten, M. and Stenson, J. A. E. (1997) Increased drag, and thus lower speed: a cost for morphological defence in Bosmina (Eubosmina) (Crustacea: Cladocera). Funct. Ecol., 11, 484-488.
80. Lagergren, R. and Stenson, J. A. E. (2000) Chemical cues from the invertebrate predator Leptodora kindtii affect the development of cyclomorphic traits in Eubosmina coregoni gibbera. J. Plankton Res., 22, 1213-1219.
81. Lagergren, R., Svensson, J-E. and Lundqvist, N. (2002) Clutch size variation and morphology in a cyclomorphic Bosmina population. J. Plankton Res., 24, 653-659.
82. Lamontagne, S. and Schindler, D. W. (1994) Historical status of fish populations in Canadian Rocky Mountain lakes inferred from subfossil Chaoborus (Diptera: Chaoboridae) mandibles. Can. J. Fish. Aquat. Sci., 51, 1376-1383.
83. Leavitt, P. R., Sanford, P. R., Carpenter, S. R. et al. (1994) An annual fossil record of production, planktivory and piscivory during wholelake manipulations. J. Paleolimnol., 11, 133-149.
84. Lehman, J. T. and Caceres, C. E. (1993) Food-web responses to species invasion by a predatory invertebrate: Bythotrephes in Lake Michigan. Limnol. Oceanogr., 38, 879-891.
85. Liu, G., Liu, Z., Li, Y. et al. (2009) Effects of fish introduction and eutrophication on the cladoceran community in Lake Fuxian, a deep oligotrophic lake in southwest China. J. Paleolimnol., 42, 427-435.
86. Lunte, C. C. and Luecke, C. (1990) Trophic interactions of Leptodora in Lake Mendota. Limnol. Oceanogr., 35, 1091-1100.
87. Macphee, S. A., Arnott, S. E. and Keller, W. (2011) Lake thermal structure influences macroinvertebrate predation on crustacean zooplankton. J. Plankton Res., 33, 1586-1595.
88. MacRae, P. S. D. and Jackson, D. A. (2001) The influence of smallmouth bass (Micropterus dolomieu) predation and habitat complexity on the structure of the littoral zone fish assemblage. Can. J. Fish. Aquat. Sci., 58, 342-351.
89. Moore, M. V. and Folt, C. L. (1993) Zooplankton body size and community structure: effects of thermal and toxicant stress. Trends Ecol. Evol., 8, 178-183.
90. Moore, M. V., Folt, C. L. and Stemberger, R. S. (1995) Consequences of elevated temperatures for zooplankton assemblages in temperate lakes. Arch. Hydrobiol., 135, 289-319.
91. Nauwerck, A. (1991) The history of the genus Eubosmina in Lake Mondsee (Upper Austria). Hydrobiologia, 225, 87-103.
92. Nilssen, J. P. and SandOy, S. (1986) Acidification history and crustacean remains: some ecological obstacles. Hydrobiologia, 143, 349-354.
93. Nilssen, J. P. and SandOy, S. (1990) Recent lake acidification and cladoceran dynamics: surface sediment and core analyses from lakes in Norway, Scotland and Sweden. Philos. Trans. R. Soc. Lond. B. Biol. Sci., 327, 299-309.
94. Palm, F., Stenson, J. A. E. and Lagergren, R. (2005) Which paleolimnological zooplankton records can indicate changes in planktivorous fish predation? Verh. Internat. Ver. Theor. Verein Limnol., 29, 661-666.
95. Post, D. M., Frost, T. M. and Kitchell, J. F. (1995) Morphological responses by Bosmina longirostris and Eubosmina tubicen to changes in copepod predator populations during a whole-lake acidification experiment. J. Plankton Res., 17, 1621-1632.
96. Riessen, H. P. and Young, J. D. (2005) Daphnia defense strategies in fishless lakes and ponds: one size does not fit all. J. Plankton Res., 27, 531-544.
97. Riessen, H. P., O'Brien, W. J. and Loveless, B. (1984) An analysis of the components of Chaoborus predation on zooplankton and the calculation of relative prey vulnerabilities. Ecology, 65, 514-522.
98. Sakamoto, M., Chang, K.-H. and Hanazato, T. (2007) Plastic phenotypes of antennule shape in Bosmina longirostris controlled by physical stimuli from predators. Limnol. Oceanogr., 52, 2072-2078.
99. Sakamoto, M. and Hanazato, T. (2008) Antennule shape and body size of Bosmina: key factors determining its vulnerability to predacious Copepoda. Limnology, 9, 27-34.
100. Salo, J., Walls, M., Rajasilta, M. et al. (1989) Fish predation and reduction in body size in a cladoceran population: palaeoecological evidence. Freshw. Biol., 21, 217-221.
101. Sanford, P. R. (1993) Bosmina longirostris antennule morphology as an indicator of intensity of planktivory by fishes. Bull. Mar. Sci., 53, 216-227.
102. Smol, J. P. (2008) Pollution of Lakes and Rivers: A Paleoenvironmental Perspective. 2nd edn. Blackwell Publishing, Oxford.
103. Smol, J. P. (2010) The power of the past: using sediments to track the effects of multiple stressors on lake ecosystems. Freshw. Biol., 55 (Suppl. 1), 43-59.
104. Sprules, W. G., Carter, J. C. H. and Ramcharan, C. W. (1984) Phenotypic associations in the Bosminidae (Cladocera): zoogeographic patterns. Limnol. Oceanogr., 29, 161-169.
105. Stenson, J. A. E. (1976) Significance of predator influences on composition of Bosmina spp. populations. Limnol. Oceanogr., 21, 814-822.
106. Suchy, K. D., Salki, A. and Hann, B. J. (2010) Investigating the invasion of the nonindigenous zooplankter, Eubosmina coregoni, in Lake Winnipeg, Manitoba, Canada. J. Great Lakes Res., 36, 159-166.
107. Sweetman, J. N. and Finney, B. P. (2003) Differential responses of zooplankton populations (Bosmina longirostris) to fish predation and nutrient loading in an introduced and a natural sockeye salmon nursery lake on Kodiak Island, Alaska, USA. J. Paleolimnol., 30, 183-193.
108. Sweetman, J. N. and Smol, J. P. (2006) Reconstructing fish populations using Chaoborus (Diptera: Chaoboridae) remains - a review. Quat. Sci. Rev., 25, 2013-2023.
109. Szeroczynska, K. and Sarmaja-Korjonen, K. (2007) Atlas of Subfossil Cladocera from Central and Northern Europe. Friends of the Lower Vistula Society, Swiecie, Poland.
110. Taylor, D. J., Ishikane, C. R. and Haney, R. A. (2002) The systematics of Holarctic bosminids and a revision that reconciles molecular and morphological evolution. Limnol. Oceanogr., 47, 1486-1495.
111. Thienemann, A. (1950) Verbreitungsgeschichte der Sfisswassertierwelt Europas. Binnengewisser, 18, 1-809.
112. Uutala, A. J. (1990) Chaoborus (Diptera: Chaoboridae) mandibles- paleolimnological indicators of the historical status of fish populations in acid-sensitive lakes. J. Paleolimnol., 4, 139-151.
113. Uutala, A. J., Yan, N. D., Dixit, A. S. et al. (1994) Paleolimnological assessment of damage to fish communities in 3 acidic, Canadian Shield lakes. Fish. Res., 19, 157-177.
114. Vanni, M. J. (1986) Competition in zooplankton communities: suppression of small species by Daphnia pulex. Limnol. Oceanogr., 31, 1039-1056.
115. Wong, C. K. and Sprules, W. G. (1985) Size-selective feeding by the predatory copepod Epischura lacustris Forbes. Can. J. Fish. Aquat. Sci., 42, 189-193.
116. Zaret, T. M. and Kerfoot, W. C. (1975) Fish predation on Bosmina longirostris: body-size selection versus visibility selection. Ecology, 56, 232-237.