Environmental and spatial factors influencing the distribution of cladocerans in lakes across the central canadian arctic treeline region

Journal of Limnology

Volumn 69, Issue 1, 2010, Pages 7-

  Sweetman, Jon N ^a   Rühland, Kathleen M ^b   Smol, John P ^b  

^a PARKS CANADA   (Canada)

^b QUEEN S UNIVERSITY   (Canada)

Author keywords

Cladocera; Northwest Territories; Nunavut; Paleolimnology; Subarctic; Treeline

Indexed keywords

BRACHIOPOD; COMMUNITY STRUCTURE; ENVIRONMENTAL FACTOR; FOSSIL ASSEMBLAGE; GEOGRAPHICAL DISTRIBUTION; LACUSTRINE DEPOSIT; LAKE ECOSYSTEM; MEASUREMENT METHOD; PALEOLIMNOLOGY; PRINCIPAL COMPONENT ANALYSIS; TREELINE;

CANADA; CANADIAN ARCTIC; NORTH AMERICA; NORTHWEST TERRITORIES; NUNAVUT; YELLOWKNIFE;

CLADOCERA;

EID: 70849085808     PISSN: 11295767     EISSN: None     Source Type: Journal    
DOI: 10.4081/jlimnol.2010.76     Document Type: Article

References (100)

1. ACIA. 2004. Impacts of a Warming Arctic: Arctic Climate Impact Assessment. Cambridge University Press, Cambridge: 1042 pp.
2. Bardach, J.E. 1954. Plankton Crustacea from the Thelon watershed, N.W.T. Can. Field Nat., 68: 47-52.
3. Bigler, C., O. Heiri, R. Krskova, A.F. Lotter & M. Sturm. 2006. Distribution of diatoms, chironomids and Cladocera in surface sediments of thirty mountain lakes in southeastern Switzerland. Aquat. Sci., 68: 154-171.
4. namegr typeauthornamesnameBorcard/snamex, /xfnameD./fname/namex and /xnamefnameP./fnamex /xsnameLegendre/sname/name/namegr. 2002. All-scale spatial analysis of ecological data by means of principal coordinates of neighbour matrices. Ecol. Model., 153: 51-68.
5. Borcard, D., P. Legendre & P. Drapeau. 1992. Partialling out the spatial component of ecological variation. Ecology, 73: 1045-1055.
6. Borcard, D., P. Legendre, C. Avois-Jacquet & H. Tuomisto. 2004. Dissecting the spatial structure of ecological data at multiple scales. Ecology, 85: 1826-1832.
7. Borcard, D. & P. Legendre. 2004. SpaceMaker 2. http://www.bio.umontreal.ca/casgrain/en/labo/spacemaker.html.
8. Bos, D.G. 2001. Sedimentary cladoceran remains, a key to interpreting past changes in nutrients and trophic interactions. Ph.D. thesis, Queen's University, Kingston, Ontario, Canada.
9. Bos, D.G. & B.F. Cumming. 2003. Sedimentary cladoceran remains and their relationship to nutrients and other limnological variables in 53 lakes from British Columbia, Canada. Can. J. Fish. Aquat. Sci., 60: 1177-1189.
10. Brancelj, A., M. Kernan, E. Jeppesen, M. Rautio, M. Manca, M. Šiško, M. Alonso & E. Stuchlík. 2008. Cladocera remains from the sediments of remote cold lakes: a study of 294 lakes across Europe. Advanc. Limnol., 62: 239-264.
11. Brodersen, K.P., M.C. Whiteside, C. Lindegaard. 1998. Reconstruction of trophic state in Danish lakes using subfossil chydorid (Cladocera) assemblages. Can. J. Fish. Aquat. Sci., 55: 1093-1103.
12. Chapin, F.S., M. Sturm, M.C. Serreze, J.P. McFadden, J.R. Key, A.H. Lloyd, A.D. McGuire, T.S. Rupp, A.H. Lynch, J.P. Schimel, J. Beringer, W.L. Chapman, H.E. Epstein, E.S. Euskirchen, L.D. Hinzman, G. Jia, C.L. Ping, K.D. Tape, C.D.C. Thompson, D.A. Walker & J.M. Welker. 2005. Role of land-surface changes in Arctic summer warming. Science, 310: 657-660.
13. Cooke, S.L., C.E. Williamson, B.R. Hargreaves, D.P. Morris. 2006. Beneficial and detrimental interactive effects of dissolved organic matter and ultraviolet radiation on zooplankton in a transparent lake. Hydrobiologia, 568:15-28.
14. Duguay, C.R., T.D. Prowse, B.R. Bonsal, R.D. Brown, M.P. Lacroix & P. Menard. 2006. Recent trends in Canadian lake ice cover. Hydrol. Process., 20: 781-801.
15. Duigan, C.A. & H.H. Birks. 2000. The late-glacial and earlyHolocene palaeoecology of cladoceran microfossil assemblages at Kråkenes, western Norway, with a quantitative reconstruction of temperature changes. J. Paleolimnol., 23: 67-76.
16. Environment Canada. 1990. The Climates of Canada. Canadian Government Publishing Centre, Ottawa: 159 pp.
17. Frey, D.G. 1959. The taxonomic and phylogenetic significance of the head pores of Chydoridae (Cladocera). Int. Rev. ges. Hydrobiol., 44: 27-50.
18. Frey, D.G. 1962. Supplement to: The taxonomic and phylogenetic significance of the head pores of Chydoridae (Cladocera). Int. Rev. ges. Hydrobiol., 47: 603-609.
19. Frey, D.G. 1965. Differentiation of Alona costata Sars from two related species (Cladocera, Chydoridae). Crustaceana, 8: 159-173.
20. Frey, D.G. 1980. On the plurality of Chydorus sphaericus (O. F. Muller) (Cladocera, Chydoridae), and designation of a neotype from Sjaelso, Denmark. Hydrobiologia, 69: 83-123.
21. Frey, D.G. 1985. A new species of the Chydorus sphaericus group (Cladocera, Chydoridae) from western Montana. Int. Rev. ges. Hydrobiol., 70: 3-20.
22. Frey, D.G. 1986. Cladocera analysis. In: B.E. Berglund (Ed.), Handbook of Holocene Palaeoecology and Palaeohydrology. John Wiley and Sons, New York: 667-692.
23. Glew, J.R. 1988. A portable extruding device for close interval sectioning of unconsolidated core samples. J. Paleolimnol., 1: 235-239.
24. Glew, J.R., J.P. Smol & W.M. Last. 2001. Sediment core collection and extrusion. In: W.M. Last & J.P Smol (Eds), Tracking Environmental Change Using Lake Sediments. Vol 1: Basin Analysis, Coring, and Chronological Techniques. Kluwer Academic Publishers, Dordrecht: 73-105.
25. Gregory-Eaves, I., J.P. Smol, B.P Finney, D.R.S. Lean, & M.E. Edwards. 2000. Characteristics and variation in lakes along a north-south transect in Alaska. Arch. Hydrobiol., 147:193-223.
26. Gyllström, M., L.A. Hansson, E. Jeppesen, F. Garcia-Criado, E. Gross, K. Irvine, T. Kairesalo, R. Kornijow, M.R. Miracle, M. Nykänen, T. Nõges, S. Romo, D. Stephen, E. Van Donk & B. Moss. 2005. The role of climate in shaping zooplankton communities of shallow lakes. Limnol. Oceanogr., 50: 2008-2021.
27. Havel, J.E. & J.B. Shurin. 2004. Mechanisms, effects, and scales of dispersal in freshwater zooplankton. Limnol. Oceanogr., 49: 1229-1238.
28. Hebert, P.D.N. 1995. The Daphnia of North America: An Illustrated Fauna. CD-ROM. Department of Zoology, University of Guelph, Guelph, ON, Canada.
29. Hebert, P.D.N. & B. Hann 1986. Patterns in the composition of Arctic tundra pond microcrustacean communities. Can. J. Fish. Aquat. Sci., 43: 1416-1425.
30. Heegaard, E., A. Lotter & H. Birks. 2006. Aquatic biota and the detection of climate change: Are there consistent aquatic ecotones? J. Paleolimnol., 35: 507-518.
31. Heiri, O. & A.F. Lotter. 2001. Effect of low count sums on quantitative environmental reconstructions: an example using subfossil chironomids. J. Paleolimnol., 26: 343-350.
32. Hessen, D.O., P. Blomqvist, G. Dahl-Hansen, S. Drakare & E.S. Lindstrom. 2004. Production and food web interactions of Arctic freshwater plankton and responses to increased DOC. Arch. Hydrobiol., 15: 289-307.
33. Hessen, D.O., B.A. Faafeng, V.A. Smith, V. Bakkestuen & B. Walseng 2006. Extrinsic and intrinsic controls of zooplankton diversity in lakes. Ecology, 87: 433-443.
34. Hinzman, L.D., N.D. Bettez, W.R. Bolton, F.S. Chapin, M.B. Dyurgerov, C.L. Fastie, B. Griffith, R.D. Hollister, A. Hope, H.P. Huntington, A.M. Jensen, G.J. Jia, T. Jorgenson, D.L. Kane, D.R. Klein, G. Kofinas, A.H. Lynch, A.H. Lloyd, A.D. McGuire, F.E. Nelson, W.C. Oechel, T.E. Osterkamp, C.H. Racine, V.E. Romanovsky, R.S. Stone, D.A. Stow, M. Sturm, C.E. Tweedie, G.L. Vourlitis, M.D. Walker, D.A. Walker, P.J. Webber, J.M. Welker, K. Winker & K. Yoshikawa. 2005. Evidence and implications of recent climate change in northern Alaska and other arctic regions. Clim. Change, 72: 251-298.
35. Holtmeier, F. & G. Broll. 2005. Sensitivity and response of northern hemisphere altitudinal and polar treelines to environmental change at landscape and local scales. Global Ecol. Biogeogr., 14: 395-410.
36. Jeppesen, E., P. Leavitt, L. De Meester & J.P. Jensen. 2001. Functional ecology and palaeolimnology: using cladoceran remains to reconstruct anthropogenic impact Trends Ecol. Evol., 16: 191-198.
37. Jeppesen, E., J.P. Jensen, T.L. Lauridsen, S.L. Amsinck, K. Christoffersen, M. Sondergaard & S.F. Mitchell. 2003. Sub-fossils of cladocerans in the surface sediment of 135 lakes as proxies for community structure of zooplankton, fish abundance and lake temperature. Hydrobiologia, 491: 321-330.
38. Jorgenson, M.T., C.H. Racine, J.C. Walters & T.E. Osterkamp. 2001. Permafrost degradation and ecological changes associated with a warming climate in central Alaska. Clim. Change, 48: 551-579.
39. Klein, E., E.E. Berg, & R. Dial. 2005. Wetland drying and succession across the Kenai Peninsula Lowlands, southcentral Alaska. Can. J. For. Res., 35: 1931-1941.
40. Kokelj, S.V., R.E. Jenkins, D. Milburn, C.R. Burn & N. Snow. 2005. The influence of thermokarst disturbance on the water quality of small upland lakes, Mackenzie Delta Region, Northwest Territories, Canada. Permafrost Periglac., 16: 343-353.
41. Korhola, A. 1999. Distribution patterns of Cladocera in subarctic Fennoscandian lakes and their potential in environmental reconstruction. Ecography, 22: 357-373.
42. Korhola, A., H. Olander & T. Blom. 2000. Cladoceran and chironomid assemblages as qualitative indicators of water depth in subarctic Fennoscandian lakes. J. Paleolimnol., 24: 43-54.
43. Korhola, A. & M. Rautio. 2001. Cladocera and other branchiopod crustaceans. In: Smol, J.P., H.J.B. Birks & W.M. Last (Eds), Tracking Environmental Change Using Lake Sediments, Volume 4: Zoological Indicators. Kluwer Academic Publishers, Dordrecht: 240 pp.
44. Korhola, A., M. Tikkanen & J. Weckstrom. 2005. Quantification of Holocene lake-level changes in Finnish Lapland using a Cladocera lake depth transfer model. J. Paleolimnol., 34: 175-190.
45. Larocque, I. 2001. How many chironomid head capsules is enough? A statistical approach to determine sample size for paleoclimatic reconstruction. Palaeogeogr. Palaeoclimatol. Palaeoecol., 172: 133-142.
46. Legendre, P. & E.D. Gallagher 2001. Ecologically meaningful transformations for ordination of species data. Oecologia, 129: 271-280.
47. nd ed. Elsevier, Amsterdam: 853 pp.
48. Levine, M.A. & S.C. Whalen. 2001. Nutrient limitation of phytoplankton production in Alaskan Arctic foothill lakes. Hydrobiologia. 455: 189-201.
49. Lotter, A.F., H.J.B. Birks, W. Hofmann, & A. Marchetto. 1997. Modern diatom, Cladocera, chironomid, and chrysophyte cyst assemblages as quantitative indicators for the reconstruction of past environmental conditions in the Alps. I. Climate. J. Paleolimnol., 18: 395-420.
50. Lotter, A.F., H.J.B. Birks, W. Hofmann, & A. Marchetto 1998. Modern diatom, Cladocera, chironomid, and chrysophyte cyst assemblages as quantitative indicators for the reconstruction of past environmental conditions in the Alps. II. Nutrients J. Paleolimnol., 19: 443-463.
51. Lotter, A.F., H.J.B. Birks, U. Eicher, W. Hofmann, J. Schwander & L. Wick. 2000. Younger Dryas and Allerod summer temperatures at Gerzensee (Switzerland) inferred from fossil pollen and cladoceran assemblages. Palaeogeogr., Palaeoclimatol., Palaeoecol., 159: 349-361.
52. Louette, G. & L. De Meester. 2005. High dispersal capacity of cladoceran zooplankton in newly founded communities. Ecology, 86: 353-359.
53. MacDonald, G.M., J.M. Szeicz, J. Claricoates & K.A.Dale. 1998. Response of the central Canadian treeline to recent climatic changes. Ann. Assoc. Am Geog., 88: 183-208.
54. Magnuson, J.J., D.M. Robertson, B.J. Benson, R.H. Wynne, D.M. Livingstone, T. Arai, R.A. Assel, R.G. Barry, V. Card, E. Kuusisto, N.G. Granin, T.D. Prowse, K.M. Stewart & V.S. Vuglinski. 2000. Historical trends in lake and river ice cover in the Northern Hemisphere. Science, 289: 1743-1746.
55. Megard, R.O. 1967. Three new species of Alona (Cladocera, Chydoridae) from the United States. Int. Rev. ges. Hydrobiol., 52: 37-50.
56. Moore, J.W. 1978. Composition and structure of zooplankton communities of 18 arctic and subarctic lakes. Int. Rev. ges. Hydrobiol., 63: 545-565.
57. Moore, M.V. C.L. Folt & R.S. Stemberger. 1996. Consequences of elevated temperatures for zooplankton assemblages in temperate lakes. Arch. Hydrobiol., 135: 289-319.
58. O'Brien, W.J. 2001. Long-term impact of an invertebrate predator, Heterocope septentrionalis, on an arctic pond zooplankton community. Freshwat. Biol., 46: 39-45.
59. O'Brien, W.J., M. Barfield, N. Bettez, A.E. Hershey, J.E. Hobbie, G. Kipphut, G. Kling & M.C. Miller. 2005. Longterm response and recovery to nutrient addition of a partitioned arctic lake. Freshwat. Biol., 50: 731-741.
60. O'Brien, W.J., M. Barfield, N.D. Bettez, G.M. Gettel, A.E. Hershey, M.E. McDonald, M.C. Miller, H., Mooers, J. Pastor, C. Richards & J. Schuldt. 2004. Physical, chemical, and biotic effects on arctic zooplankton communities and diversity. Limnol. Oceanogr., 49: 1250-1261.
61. Overland, J.E., M.C. Spillane & N.N. Soreide. 2004. Integrated analysis of physical and biological pan-Arctic change. Clim. Change, 63: 291-322.
62. Patalas, K. 1990. Diversity of the zooplankton communities in Canadian lakes as a function of climate. Verh. Int. Ver. Theor. Angew. Limnol., 24: 360-368.
63. Persaud, A.D. & C.E. Williamson. 2005. Ultraviolet and temperature effects on planktonic rotifers and crustaceans in northern temperate lakes. Freshwat. Biol., 50: 467-476.
64. Pienitz, R., J.P. Smol & D.R.S. Lean. 1997. Physical and chemical limnology of 24 lakes located between Yellowknife and Contwoyto Lake, Northwest Territories (Canada). Can. J. Fish. Aquat. Sci., 54: 347-358.
65. Prowse, T.D., F.J. Wrona, J.D. Reist, J.J. Gibson, J.E. Hobbie, L.M.J. Lévesque & W.F. Vincent. 2006. Climate change effects on hydroecology of arctic freshwater ecosystems. Ambio. 35: 347-358.
66. Quinlan, R. & J.P. Smol. 2001. Setting minimum head capsule abundance and taxa deletion criteria in chironomid-based inference models. J Paleolimnol., 26: 327-342.
67. Rautio, M. & A. Korhola. 2002. Effects of ultraviolet radiation and dissolved organic carbon on the survival of subarctic zooplankton. Polar Biol., 25: 469-473.
68. Reed, E.B. 1959. The distribution and ecology of freshwater Entomostraca in arctic and subarctic North America. Ph.D. thesis. University of Saskatchewan, Saskatoon, Saskatchewan, Canada: 152 pp.
69. Ritchie, J.C. 1993. Northern vegetation. In: H.M. French & O. Slaymaker (Eds), Canada's Cold Environments. McGillQueen's University Press, Montreal and Kingston: 93-116.
70. Rühland, K. 2001. Diatom assemblage shifts relative to changes in environmental and climatic conditions in circumpolar treeline regions of the Canadian and Siberian Arctic. Ph.D. dissertation, Queen's University, Kingston, Ontario, Canada: 278 pp.
71. Rühland, K. & J.P. Smol. 1998. Limnological characteristics of 70 lakes spanning Arctic treeline from Coronation Gulf to Great Slave Lake in the Central Northwest Territories, Canada. Int. Rev. ges. Hydrobiol., 83: 183-203.
72. Rühland, K. & J.P. Smol. 2002. Diatom-limnological relationships in 77 lakes from the central Canadian treeline region: Development of diatom-based inference models for reconstructions of long-term environmental change. J. Phycol., 38: 249-254.
73. Rühland, K., R. Pienitz & J.P. Smol. 2003a. Ecology and spatial distribution of surface-sediment diatoms from 77 lakes in the Subarctic Canadian treeline region. Can. J. Bot., 81: 57-73.
74. Rühland, K., J.P. Smol, D. Muir & X. Wang. 2003b. Limnological characteristics of 56 lakes in the central Canadian Arctic treeline region. J. Limnol., 62(1): 9-27.
75. Rühland, K., A. Priesnitz & J.P. Smol. 2003c. Paleolimnological evidence from diatoms for recent environmental changes in 50 lakes across Canadian Arctic treeline. Arct. Antarct. Alp. Res., 35: 110-123.
76. Sarmaja-Korjonen, K. M. Hakojärvi & A. Korhola. 2000. Subfossil remains of an unknown chydorid (Anomopoda: Chydoridae) from Finland. Hydrobiologia, 436: 165-169.
77. Sarmaja-Korjonen, K., M. Nyman, S. Kultti & M. Valiranta. 2006. Palaeolimnological development of Lake Njargajavri, northern Finnish Lapland, in a changing Holocene climate and environment. J. Paleolimnol., 35: 65-81.
78. Serreze, M.C. & J.A. Francis. 2006. The arctic amplification debate. Clim. Change, 76: 241-264.
79. Serreze, M. C., J.E. Walsh, F.S. Chapin, III, T. Osterkamp, M. Dyurgerov, V. Romanovsky, W.C. Oechel, J. Morison, T. Zhang & R.G. Barry. 2000. Observational evidence of recent change in the northern high-latitude environment. Clim. Change, 46: 159-207.
80. Sirois, L. 1992. The transition between boreal forest and tundra. In: Shugart, H.H., R. Leemans & G.B. Bonan (Eds), A System Analysis of the Global Boreal Forest. Cambridge University Press, Cambridge: 196-215.
81. Smirnov, N.N. 1974. Fauna of the U.S.S.R. Crustacea. Chydoridae. Volume 1, Number 2. Israel Program for Scientific Translations, Jerusalem: 644 pp.
82. Smirnov, N.N. 1996. Cladocera: the Chydorinae and Sayciinae (Chydoridae) of the world. Guides to the identification of the microinvertebrates of the continental waters of the world. SPB Academic Publishing. Amsterdam: 197 pp.
83. Smith, L.C., Y. Sheng, G.M. MacDonald & L.D. Hinzman. 2005. Disappearing arctic lakes. Science, 308: 1429
84. Smol, J.P. & M.S.V. Douglas. 2007a. From controversy to consensus: making the case for recent climatic change in the Arctic using lake sediments. Front. Ecology Environ., 5: 466-474.
85. Smol, J.P. & M.S.V. Douglas, 2007b. Crossing the final ecological threshold in high Arctic ponds. Proc. Nat. Acad. Sci., 104: 12395-12397.
86. Smol, J.P., A.P. Wolfe, H.J.B. Birks, M.S.V. Douglas, V.J. Jones, A. Korhola, R. Pienitz, K. Rühland, S. Sorvari, D. Antoniades, S.J. Brooks, M.-A. Fallu, M. Hughes, B. Keatley, T. Laing, N. Michelutti, L. Nazarova, M. Nyman, A.M. Paterson, B. Perren, R. Quinlan, M. Rautio, E. Saulnier-Talbot, S. Siitonen, N. Solovieva & J. Weckström. 2005. Climate-driven regime shifts in Arctic lake ecosystems. Proc. Nat. Acad. Sci., 102: 4397-4402.
87. Stemberger, R.S., A.T. Herlihy, D.L. Kugler, & S.G. Paulsen. 1996. Climate forcing on zooplankton richness in lakes of the northeastern United States. Limnol. Oceanogr., 41: 1093-1101.
88. Swadling, K.M., R. Pienitz, & T. Nogrady. 2000. Zooplankton community composition of lakes in the Yukon and Northwest Territories (Canada): relationship to physical and chemical limnology. Hydrobiologia, 431: 211-224.
89. Sweetman, J.N. & J.P. Smol. 2006a. Patterns in the distribution of Cladocerans (Crustacea: Branchiopoda) in lakes across a north-south transect in Alaska, USA. Hydrobiologia, 553: 277-291.
90. Sweetman, J.N. & J.P. Smol. 2006b. Reconstructing fish populations using Chaoborus (Diptera: Chaoboridae) remains -a review. Quat. Sci. Rev., 25: 2013-2023.
91. Sweetman, J.N. & J.P. Smol. 2006c. A guide to the identification of cladoceran remains (Crustacea, Branchiopoda) in Alaskan lake sediments. Arch. Hydrobiol. (Supplement), 151: 353-394.
92. Sweetman, J.N., E. LaFace, K.M. Rühland & J.P. Smol. 2008. Evaluating the response of Cladocera to recent environmental change in lakes from the Canadian Arctic treeline region. Arct. Antarct. Alp. Res., 40: 584-591.
93. ter Braak, C. J. F., & P. Šmilauer. 2002. CANOCO reference manual and CanoDraw for Windows user's guide: software for canonical community ordination. (Version 4.5) Microcomputer Power, Ithaca, New York, USA.
94. Tremel, B., S.E. Frey, N.D. Yan, K.M. Somers & T.P. Pawson. 2000. Habitat specificity of littoral Chydoridae (Crustacea, Branchiopoda, Anomopoda) in Plastic Lake, Ontario, Canada. Hydrobiologia. 432: 195-205.
95. Vandekerkhove, J., S. Declerck, L. Brendonck, J.M. Conde-Porcuna, E. Jeppesen, L. Sander Johansson, & L. De Meester. 2005. Uncovering hidden species: hatching diapausing eggs for the analysis of cladoceran species richness. Limnol. Oceanogr. Meth., 3: 399-407.
96. Walker, I.R., A.J. Levesque, R. Pienitz, & J.P. Smol. 2003. Freshwater midges of the Yukon and adjacent Northwest Territories: a new tool for reconstructing Beringian paleoenvironments? J.N. Am. Benthol. Soc., 22: 323-337.
97. Wedel, J.H., A. Smart & P. Squires. 1990. An Overview Study of the Yellowknife River Basin, N.W.T. N.W.T. Programs. Inland Waters Directorate Conservation and Protection, Western and Northern Region, Environment Canada.
98. Williamson, C.E., O.G. Olson, S.E. Lott, N.D. Walker, D.R. Engstom & B.R. Hargreaves. 2001. Ultraviolet radiation and zooplankton community structure following deglaciation in Glacier Bay, Alaska. Ecology, 82: 1748-1760.
99. Wissel, B., W.J. Boeing, & C.W. Ramcharan. 2003. Effects of water color on predation regimes and zooplankton assemblages in freshwater lakes. Limnol. Oceanogr., 48: 1965-1976.
100. Zellmer, I.D., M.T. Arts, D. Abele, & K. Humbeck. 2004. Evidence of sublethal damage in Daphnia (Cladocera) during exposure to solar UV radiation in subarctic ponds. Arct. Antarct. Alp. Res., 36: 370-377.