Meiofauna Techniques

Methods for the Study of Marine Benthos: Third Edition

Volumn , Issue , 2005, Pages 229-272

  Somerfield, Paul J ^a   Warwick, Richard M ^a   Moens, Tom ^b  

^a PLYMOUTH MARINE LABORATORY   (United Kingdom)

^b GHENT UNIVERSITY   (Belgium)

Author keywords

Meiofaunal organisms; Meiofaunal research; Qualitative sampling; Quantitative sampling; Sediments

Indexed keywords

EID: 84983719615     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1002/9780470995129.ch6     Document Type: Chapter

References (142)

1. Anderson, R.O. (1959) A modified flotation technique for sorting bottom fauna samples. Limnology and Oceanography, 4, 223-225.
2. Austen, M.C. & Somerfield, P.J. (1997) A community level sediment bioassay applied to an estuarine heavy metal gradient. Marine Environmental Research, 43, 315-328.
3. Austen, M.C., McEvoy, A.J. &Warwick, R.M. (1994) The specificity of meiobenthic community responses to different pollutants: results from the microcosm experiments. Marine Pollution Bulletin, 28, 557-563.
4. Austen, M.C.,Widdicombe, S. & Villano, N. (1998) Effect of biological disturbance on diversity and structure of a nematode meiobenthic community. Marine Ecology-Progress Series, 174, 233-246.
5. Barnett, B.E. (1980) A physico-chemical method for the extraction of marine and estuarine benthos from clays and resistant muds. Journal of the Marine Biological Association of the United Kingdom, 60, 255.
6. Barnett, P.R.O., Watson, J. & Connelly, D. (1984) A multiple corer for taking virtually undisturbed samples from shelf, bathyal and abyssal sediments. Oceanologica Acta, 7, 399-408.
7. Banse, K. & Mosher, S. (1980) Adult body mass and annual production/biomass relationships of field populations. Ecological Monographs, 50, 355-379.
8. Bell, S.S. & Hicks, G.R.F. (1991) Marine landscapes and faunal recruitment: a field test with seagrasses and copepods. Marine Ecology-Progress Series, 73, 61-68.
9. Bett, B.J., Vanreusel, A., Vincx, M., Soltwedel, T., Pfannkuche, O., Lambshead, P.J.D., Gooday, A.J., Ferrero, T. & Dinet, A. (1994) Sampler bias in the quantitative study of deep-sea meiobenthos. Marine Ecology-Progress Series, 104, 197-203.
10. Bin Sun, J.W. & Fleeger, J.W. (1995) Sustained mass culture of Amphiascoides atopus, a marine harpacticoid copepod, in a recirculating system. Aquaculture 136, 313-321.
11. Blomqvist, S. (1991) Quantitative sampling of soft-bottom sediments: problems and solutions. Marine Ecology-Progress Series, 72, 295-304.
12. Boisseau, J.P. (1957) Technique pour l'étude quantitative de la faune interstitielle des sables. Comptes Rendus du Congrés des Sociétés Savantes de Paris et des Départements, 1957, 117-119.
13. Braeckman, B.P., Houthoofd, K., De Vreese, A. & J.R. Vanfleteren (2002) Assaying metabolic activity in ageing Caenorhabditis elegans. Mechanisms of Ageing and Development, 123, 105-119.
14. Buffan-Dubau, E. & Carman, K.R. (2000) Diel feeding behaviour of meiofauna and their relationships with microalgal resources. Limnology and Oceanography, 45, 381-395.
15. Buffan-Dubau, E., de Wit, R. & Castel, J. (1996) Feeding selectivity of the harpacticoid copepod Canuella perplexa in benthic muddy environments demonstrated by HPLC analyses of chlorin and carotenoid pigments. Marine Ecology Progress Series, 137, 71-82.
16. Butterworth, P.E., Perry, R.N.&Barrett, J. (1989) The effects of specific metabolic inhibitors on the energy metabolism of Globodera rostochiensis and Panagrellus redivivus. Revue de Nématologie, 12, 63-67.
17. Carman, K.R., Dobbs, F.C. & Guckert, J.B. (1989) Comparison of three techniques for administering radiolabelled substrates to sediments for trophic studies: uptake of label by harpacticoid copepods. Marine Biology, 102, 119-125.
18. Carman, K.R. & Fry, B. (2002) Small-sample methods for δ13C and δ15N analysis of the diets of marsh meiofaunal species using natural-abundance and tracer-addition isotope techniques. Marine Ecology-Progress Series, 240, 85-92.
19. Chandler, G.T. (1986) High density culture of meiobenthic harpacticoid copepods within a muddy sediment substrate. Canadian Journal of Fisheries and Aquatic Sciences, 43, 53-59.
20. Chandler, G.T. & Fleeger, J.W. (1983) Meiofaunal colonization of azoic estuarine sediment in Louisiana: mechanisms of dispersal. Journal of Experimental Marine Biology and Ecology, 69, 175-188.
21. Cleven, E-J. (1999) An improved method of taking cores in sandy sediments. Archiv für Hyrdobiologie, 147, 65-72.
22. Craib, J.S. (1965) A sampler for taking short undisturbed marine cores. Journal du Conseil Permanent International pour l'Exploration de la Mer, 30, 34-39.
23. Cummings, E. & Ruber, E. (1987) Copepod colonization of natural and artificial substrates in a salt marsh pool. Estuarine, Coastal and Shelf Science, 25, 637-645.
24. Danovaro, R., Dell'Anno, A., Martorano, D., Parodi, P., Marrale, N.D.&Fabiano, M. (1999) Seasonal variation in the biochemical composition of deep-sea nematodes: Bioenergetic and methodological considerations. Marine Ecology-Progress Series, 179, 273-283.
25. Daro, M.H. (1978)Asimplified 14Cmethod for grazing measurements on natural planktonic populations. Helgoländer wissenschaftliche Meeresuntersuchungen, 31, 241-248.
26. Decho, A.W. (1988) How do harpacticoid grazing rates differ over a tidal cycle? Field verification using chlorophyll-pigment analyses. Marine Ecology-Progress Series, 45, 263-270.
27. Decho, A.W. & Lopez, G.R. (1992) Exopolymer microenvironments of microbial flora: multiple and interactive effects on trophic relationships. Limnology and Oceanography, 38, 1633-1645.
28. Decho, A.W. & Moriarty, D.J. (1990) Bacterial exopolymer utilization by a harpacticoid copepod: a methodology and results. Limnology and Oceanography, 35, 1039-1049.
29. Delamare-Deboutteville, C. (1960) Biologie des Eaux Souterraines Littorales et Continentales. Hermann, Paris.
30. De Jonge, V.N. & Bouwman, L.A. (1977) A simple density separation technique for quantitative isolation of meiobenthos, using colloidal silica LudoxTM. Marine Biology, 42, 143-148.
31. De Niro, M.J. & Epstein, S. (1978) Influence of diet on distribution of carbon isotopes in animals. Geochimica et Cosmochimica Acta, 42, 495-506.
32. De Niro, M.J. & Epstein, S. (1981) Influence of diet on the distribution of nitrogen isotopes in animals. Geochimica et Cosmochimica Acta, 45, 341-351.
33. De Soyza, K. (1973) Energetics of Aphelenchus avenae in monoxenic culture. Proceedings of the Helminthological Society of Washington, 40, 1-10.
34. Dillon,W.P. (1964) Flotation technique for separating fecal pellets and small marine organisms from sand. Limnology and Oceanography, 9, 601-602.
35. Edgar, G.J. (1991) Artificial algae as habitats for mobile epifauna: factors affecting colonization in a Japanese Sargassum bed. Hydrobiologia, 226, 111-118.
36. Elmgren, R. (1973) Methods of sampling sublittoral soft bottom meiofauna. Oikos, Supplement, 15, 112-120.
37. Epstein, S.S. & Gallagher, E.D. (1992) Evidence for facilitation and inhibition of ciliate population growth by meiofauna and macrofauna on a temperate zone sandflat. Journal of Experimental Marine Biology and Ecology, 155, 27-39.
38. Epstein, S.S. & Shiaris, M.P. (1992) Rates of microbenthic and meiobenthic bacterivory in a temperate muddy tidal flat community. Applied and Environmental Microbiology, 58, 2426-2431.
39. Feller, R.J.&Warwick, R.M. (1988) Energetics. In: Introduction to the Study of Meiofauna. (Eds R. P. Higgins & H. Thiel), pp. 181-196. Smithsonian Institution Press,Washington, D.C.
40. Fenchel, T. (1967) The ecology of marine microbenthos. I. The quantitative importance of ciliates as compared with metazoans in various types of sediments. Ophelia, 4, 121-137.
41. Fleeger J.W. & Gee, J.M. (1986) Does interference competition determine the vertical distribution of meiobenthic copepods? Journal of Experimental Marine Biology and Ecology, 95, 173-181.
42. Fleeger, J.W., Thistle, D. & Thiel, H. (1988) Sampling equipment. In: Introduction to the Study of Meiofauna (Eds R. P. Higgins&H. Thiel), pp. 115-125. Smithsonian Institution Press, Washington, DC.
43. Frithsen, J.B., Rudnick, D.T. & Elmgren, R. (1973) A new flow-through corer for the quantitative sampling of surface sediments. Hydrobiologia, 99, 75-79.
44. Fukusho, K. (1980) Mass production of a copepod Tigriopus japonicus in combination culture with a rotifer, Brachionus olicatilis, fed ω-yeast as a food source. Bulletin of the Japanese Society of Scientific Fisheries, 46, 625-629.
45. Gee, J.M. & Warwick, R.M. (1996) A study of global biodiversity patterns in the marine motile fauna of hard substrata. Journal of the Marine Biological Association of the United Kingdom, 76, 177-184.
46. Gerlach, S.A. (1971) On the importance of marine meiofauna for benthos communities. Oecologia (Berlin), 6, 176-190.
47. Gerritsen, J. & Strickler, J.R. (1977) Encounter probabilities and community structure in zooplankton: a mathematical model. Journal of the Fisheries Research Board of Canada, 34, 73-82.
48. Giere, O. (1993) Meiobenthology: The Microscopic Fauna in Aquatic Sediments. Springer-Verlag, Berlin.
49. Gnaiger, E. & Bitterlich, G. (1984) Proximate biochemical composition and caloric content calculated from elemental CHN analysis: a stoichiometric concept. Oecologia (Berlin), 62, 289-298.
50. Goto, N., Kawamura, T., Mitamura, O. & Terai, H. (1999) Importance of extracellular organic carbon production in the total primary production by tidal-flat diatoms in comparison to phytoplankton. Marine Ecology-Progress Series, 190, 289-295.
51. Gwyther, J. & Fairweather, P.G. (2002) Colonisation by epibionts and meiofauna of real and mimic pneumatophores in a cool temperate mangrove habitat. Marine Ecology-Progress Series, 229, 137-149.
52. Hamels, I., Moens, T., Muylaert, K. & Vyverman,W. (2001a) Trophic interactions between ciliates and nematodes from an intertidal flat. Aquatic Microbial Ecology, 26, 61-72.
53. Hamels, I., Muylaert, K., Casteleyn, G. & Vyverman, W. (2001b) Uncoupling of bacterial production and flagellate grazing in aquatic sediments: a case study from an intertidal flat. Aquatic Microbial Ecology, 25, 31-42.
54. Heip, C., Herman, P.M.J. & Coomans, A. (1982) The productivity of marine meiobenthos. Academiae Analecta, 44, 1-20.
55. Heip, C., Smol, N. & Hautekiet, W. (1974) A rapid method for extracting meiobenthic nematodes and copepods from mud and detritus. Marine Biology, 28, 79-81.
56. Heip, C.,Vincx, M.&Vranken, G. (1985) The ecology of marine nematodes. Oceanography and Marine Biology: an Annual Review, 23, 399-485.
57. Heip, C., Willems, K.A. & Goossens, A. (1977) Vertical distribution of meiofauna and the efficiency of the vanVeen Grab on sandy bottoms in Lake Grevelingen (The Netherlands). Hydrobiological Bulletin (Amsterdam), 11, 35-45.
58. Herman, P.M.J., Vranken, G. & Heip, C. (1984a) Problems in meiofauna energy-flow studies. Hydrobiologia, 118, 21-28.
59. Herman, P.M.J., Heip, C. & Guillemijn, B. (1984b) Production of Tachidius discipes Giesbrecht 1881 (Copepoda: Harpacticoida). Marine Ecology-Progress Series, 17, 271-278.
60. Hicks, G.R.F. & Coull, B.C. (1983) The ecology of marine meiobenthic harpacticoid copepods. Oceanography and Marine Biology: an Annual Review, 21, 67-175.
61. Higgins, R.P. (1964) Three new kinorhynchs from the North Carolina Coast. Bulletin of Marine Science of the Gulf and Caribbean, 14, 479-493.
62. Higgins, R.P. (1977) Two new species of Echinoderes (Kinorhyncha) from South Carolina. Transactions of the American Microscopical Society, 96, 340-354.
63. Higgins, R.P.&Thiel, H. (Eds) (1988) Introduction to the Study of Meiofauna. Smithsonian Institution Press, Washington, DC.
64. Hockin, D.C. (1981) A simple elutriator for extracting meiofauna from sediment matrices. Marine Ecology-Progress Series, 4, 241-242.
65. Humphreys, W.F. (1979) Production and respiration in animal populations. Journal of Animal Ecology, 48, 427-453.
66. Jensen, P. (1982) A new meiofauna sample splitter. Annales Zoologici Fennici, 19, 233-236.
67. Jensen, P. (1984) Measuring carbon content in nematodes. Helgoländer Meeresuntersuchungen, 38, 83-86.
68. Joint, I.R., Gee, J.M.&Warwick, R.M. (1982) Determination of fine-scale vertical distribution of microbes and meiofauna in an intertidal sediment. Marine Biology, 72, 157-164.
69. Jönsson, B. (1991) A 14C-incubation technique for measuring microphytobenthic primary productivity in intact sediment cores. Limnology and Oceanography, 36, 1485-1492.
70. Kinne, O. (1977a) Marine Ecology, Volume III, Cultivation, Part 2. John Wiley & Sons, Chichester, England.
71. Kinne, O. (1977b) Cultivation of animals: research cultivation, (7) Nematoda. In: Marine Ecology, Volume III, Cultivation, Part 2 (Ed O. Kinne), pp. 691-709. JohnWiley&Sons, Chichester, England.
72. Kramer, K.J.M., Brockmann, U.H. & Warwick, R.M. (1994) Tidal Estuaries: Manual of Sampling and Analytical Procedures. A. A. Balkema, Rotterdam.
73. Lydell, W.R.S. (1936) A new apparatus for separating insects and other arthropods from soil. Annals of Applied Biology, 23, 862-879.
74. Lyman, F.E. (1943) A pre-impoundment bottom fauna study of Watts Bar Reservoir area (Tennessee). Transactions of the American Fisheries Society, 72, 52-62.
75. Mare, M.F. (1942) A study of a marine benthic community with special reference to the micro-organisms. Journal of the Marine Biological Association of the United Kingdom, 25, 517-554.
76. McIntyre, A.D. (1968) The meiofauna and microfauna of some tropical beaches. Journal of Zoology, 156, 377-392.
77. McIntyre, A.D. (1971) Deficiency of gravity corers for sampling meiobenthos and sediments. Nature, 231, 60.
78. McNeil, S.&Lawton, J.H. (1970) Annual production and respiration in animal populations. Nature, 225, 472-474.
79. McLachlan, A., Dye, A.H. & Van Der Ryst, P. (1979) Vertical gradients in the fauna and oxidation of two exposed sandy beaches. South African Journal of Zoology, 14, 43-47.
80. Middelburg, J.J., Barranguet, C., Boschker, H.T.S., Herman, P.M.J., Moens, T. & Heip, C.H.R. (2000) The fate of intertidal microphytobenthos carbon: an in situ 13C-labeling study. Limnology and Oceanography, 45, 1224-1234.
81. Moens, T., Herman, P.M.J., Verbeeck, L., Steyaert, M. & Vincx, M. (2000) Predation rates and prey selectivity in two predacious estuarine nematode species. Marine Ecology-Progress Series, 205, 185-193.
82. Moens, T., Verbeeck, L. & Vincx, M. (1999a) Preservation-and incubation time-induced bias in tracer-aided grazing studies with meiofauna. Marine Biology, 133, 69-77.
83. Moens, T., Verbeeck, L. & Vincx, M. (1999b) The feeding biology of a predatory and a facultatively predatory marine nematode (Enoploides longispiculosus and Adoncholaimus fuscus). Marine Biology, 134, 585-593.
84. Moens, T., Vierstraete, A., Vanhove, S., Verbeke, M. & Vincx, M. (1996a) A handy method for measuring meiobenthic respiration. Journal of Experimental Marine Biology and Ecology, 197, 177-190.
85. Moens, T., Vierstraete, A. & Vincx, M. (1996b) Life strategies in two bacterivorous marine nematodes: preliminary results. Marine Ecology-Pubblicazioni della Stazione Zoologica di Napoli I, 17, 509-518.
86. Moens, T. & Vincx, M. (1998) On the cultivation of free-living marine and estuarine nematodes. Helgoländer Meeresunters, 52, 115-139.
87. Montagna, P.A. (1983) Live controls for radioisotope tracer food chain experiments using meiofauna. Marine Ecology-Progress Series, 12, 43-46.
88. Montagna, P.A. (1984) In situ measurement of meiobenthic grazing rates on sediment bacteria and edaphic diatoms. Marine Ecology-Progress Series, 18, 119-130.
89. Montagna, P.A. (1993) Radioisotope technique to quantify in situ microbivory by meiofauna in sediments. In: Aquatic Microbial Ecology (Eds P.F. Kemp, B.F. Sherr, E.B. Sherr & J.J. Cole), pp. 745-753. Lewis Publishers, Boca Raton FL.
90. Montagna, P.A.&Bauer, J.E. (1988) Partitioning radiolabelled thymidine uptake by bacteria and meiofauna using metabolic blocks and poisons in benthic feeding studies. Marine Biology, 98, 101-110.
91. Mortensen, R.H. (1925) An apparatus for catching the micro-fauna of the sea bottom. Videnskabelige Meddelelser fra Dansk naturhistorik Forening i Kjøbenhavn, 80, 445-451.
92. Myers, R.F. (1967) Osmoregulation in Panagrellus reduvivus and Aphelenchus avenae. Nematologica, 12, 579-586.
93. Ockelmann, K.W. (1964) An improved detritus-sledge for collecting meiobenthos. Ophelia, 1, 217-222.
94. Pfannkuche, O. & Thiel, H. (1988) Sample processing. In: Introduction to the Study of Meiofauna (Eds R. P. Higgins & H. Thiel), pp. 134-145. Smithsonian Institution Press, Washington, DC.
95. Pollock, L.W. (1970) Distribution and dynamics of interstitial Tardigrada at Woods Hole, Massachusetts, US.. Ophelia, 7, 145-166.
96. Rau, G.H., Mearns, A.J., Young, D.R., Olson, R.J., Schafer, H.A. & Kaplan, I.R. (1983) Animal 13C/12C correlates with trophic level in pelagic food webs. Ecology, 64, 1314-1318.
97. Rees, C.B. (1940) A preliminary study of the ecology of a mud-flat. Journal of the Marine Biological Association of the United Kingdom, 24, 185-199.
98. Renaud-Debyser, J. (1957) Description d'un carrotier adapte aux prelèvements des sables de plate. Revue de l'Institut Français du Pétrole, 12, 501-502.
99. Renaud-Debyser, J. (1963) Recherches Ecologiques sur la fauna interstitielle des sables (Bassin d'Arcachon, Ile de Bimini, Bahamas). Vie et Milieu, Supplement, 15, 1-157.
100. Sanders, R.W., Porter, K.G., Bennett, S.J. & DeBiase, A.E. (1989) Seasonal patterns of bacterivory by flagellates, ciliates, rotifers, and cladocerans in a freshwater planktonic community. Limnology and Oceanography, 34, 673-687.
101. Santos, P.J.P., Castel, J. & Souza-Santos, L.P. (1995) Microphytobenthic patches and their influence on meiofaunal distribution. Cahiers de Biologie Marine, 36, 133-139.
102. Schiemer, F. (1982) Food dependence and energetics of free-living nematodes. I. Respiration, growth and reproduction of Caenorhabditis briggsae (Nematoda) at different levels of food supply. Oecologia (Berlin), 54, 108-121.
103. Schiemer, F. (1985) Bioenergetic niche differentiation of aquatic invertebrates. Verhandlungen der Internationalen Vereinigung für Theoretische und Angewandte Limnologie, 22, 3014-3018.
104. Schiemer, F. (1987) Nematoda. In: Animal Energetics, Volume 1 (Eds J.F. Vernberg & T.J. Pandian), pp. 185-215. Academic Press, New York.
105. Schoener, A. (1974) Experimental zoogeography: colonization of marine mini-islands. American Naturalist, 108, 715-738.
106. Schratzberger, M., Rees, H.L. & Boyd, S.E. (2000) Effects of simulated deposition of dredged material on structure of nematode assemblages-the role of contamination. Marine Biology, 137, 613-622.
107. Schratzberger, M. & Warwick, R.M. (1999a) Differential effects of various types of disturbances on the structure of nematode assemblages: an experimental approach. Marine Ecology-Progress Series, 181, 227-236.
108. Schratzberger, M. & Warwick, R.M. (1999b) Impact of predation and sediment disturbance by Carcinus maenas (L.) on free-living nematode community structure. Journal of Experimental Marine Biology and Ecology, 235, 255-271.
109. Schwinghamer, P. (1981a) Extraction of living meiofauna from marine sediments by centrifugation in a silica sol-sorbitol mixture. Canadian Journal of Fisheries and Aquatic Sciences, 38, 476-478.
110. Schwinghamer, P. (1981b) Characteristic size distributions of integral marine communities. Canadian Journal of Fisheries and Aquatic Sciences, 38, 1255-1263.
111. Seinhorst, J.W. (1959) A rapid method for the transfer of nematodes from fixative to anhydrous glycerine. Nematologica, 4, 67-69.
112. Sellmer, G.P. (1956) A method for the separation of small bivalve molluscs from sediments. Ecology, 37, 206.
113. Sherr, E.B. & Sherr, B.F. (1993) Protistan grazing rates via uptake of fluorescently labeled prey. In: Handbook of Methods in Aquatic Microbial Ecology (Eds P.F. Kemp, B.F. Sherr, E.B. Sherr & J.J. Cole), pp. 695-701. Lewis Publishers, Boca Raton, FL.
114. Sikora, J.P., Sikora, W.B., Erkenbrecher, C.W. & Coull, B.C. (1977) Significance of ATP, carbon and caloric content of meiobentic nematodes in partitioning benthic biomass. Marine Biology, 44, 7-14.
115. Smith, D.J. & Underwood, G.J.C. (1998) Exopolymer production by intertidal epipelic diatoms. Limnology and Oceanography, 43, 1578-1591.
116. Somerfield, P.J. & Clarke, K.R. (1997) A comparison of some methods commonly used for the collection of sublittoral sediments and their associated fauna. Marine Environmental Research, 43, 145-156.
117. Somerfield, P.J. & Jeal, F. (1996) The distribution of Halacaridae (Acari: Prostigmata) among macroalgae on sheltered rocky shores. Journal of the Marine Biological Association of the United Kingdom, 76, 251-254.
118. Somerfield, P.J., Rees, H.L. & Warwick, R.M. (1995) Inter-relationships in community structure between shallow-water marine meiofauna and macrofauna in relation to dredgings disposal. Marine Ecology-Progress Series, 127, 103-112.
119. Souza-Santos, L.P., Castel, J. & Santos, P.J.P. (1995) Feeding rate cycle of the epibenthic harpacticoid copepod Harpacticus flexus: laboratory experiments using fecal pellet counts. Vie et Milieu, 45, 75-83.
120. Spoon, D.M. (1978) A new rotary microcompressor. Transactions of the American Microscopical Society, 97, 412-416.
121. Starink, M. (1995) Seasonal variation in bacterial production, protozoan grazing, and abundances in sediments of a freshwater littoral zone. PhD thesis, Universiteit Amsterdam.
122. Starink, M., Krylova, I.N., Bargilissen, M.J., Bak, R.P.M. & Cappenberg, T.E. (1994) Rates of benthic protozoan grazing on free and attached sediment bacteria measured with fluorescently stained sediment. Applied and Environmental Microbiology, 60, 2259-2264.
123. Tanner, C., Hawkes, M.W., Lebednik, P.A. & Duffield, E. (1977) Hand-operated suction sampler for collection of subtidal organisms. Journal of the Fisheries Research Board of Canada, 34, 1031-1034.
124. Thiel, H. & Hessler, R. (1974) Ferngesteuertes Unterwasserfahrzeug erforscht Tiefseeboden. Umschau in Wissenschaft und Technik, 74, 451-453.
125. Thiel, H. Von, Thistle, D. &Wilson, G.D. (1975) Ultrasonic treatment of sediment samples for more efficient sorting of meiofauna. Limnology and Oceanography, 20, 472-473.
126. Thistle, D. (1978) Harpacticoid dispersion patterns: Implications for deep-sea diversity maintainence. Journal of Marine Research, 36, 377-397.
127. Tiemann, H. & Betz, K-M. (1979) Elutriation: Theoretical considerations and methodological improvements. Marine Ecology, 1, 277-281.
128. Tietjen, J.H. (1988) Culture techniques. In: Introduction to the Study of Meiofauna (Eds R.P. Higgins & H. Thiel), pp. 161-168. Smithsonian Institution Press,Washington, D.C.
129. Uhlig, G. (1966) Untersuchungen zur Extraktion der vagilen Mikrofauna aus marinen Sedimenten. Zoologischer Anzeiger, Supplement, 29, 151-157.
130. Uhlig, G. (1968) Quantitative methods in the study of interstitial fauna. Transactions of the American Microscopical Society, 87, 226-232.
131. Uhlig G.&Heimberg, S.H.H. (1981)Anewversatile compression chamber for examination of living organisms. Helgoländer Meeresuntersuchungen, 34, 251-256.
132. Uhlig. G., Thiel, H.&Gray, J.S. (1973) The quantitative separation of meiofauna:Acomparison of methods. Helgoländer wissenschaftliche Meeresuntersuchungen, 25, 173-195.
133. Vranken, G. & Heip, C. (1985) Aspects of the life-cycle of free-living marine nematodes. In: Progress in Belgian Oceanographic Research (Eds R. Van Grieken & R. Wollast),. pp. 267-278. Antwerp University Press, Antwerp.
134. Vranken, G. & Heip, C. (1986) The productivity of marine nematodes. Ophelia, 26, 429-442.
135. Vranken, G., Herman, P.M.J., Vincx, M. & Heip, C. (1986) A re-evaluation of marine nematode productivity. Hydrobiologia, 135, 193-196.
136. Warwick, R.M. (1984) Species size distributions in marine benthic communities. Oecologia (Berlin), 61, 32-41.
137. Warwick, R.M. (1989) The role of meiofauna in the marine ecosystem: evolutionary considerations. Zoological Journal of the Linnean Society, 6, 229-241.
138. Warwick, R.M.&Gee, J.M. (1984) Community structure of estuarine meiobenthos. Marine Ecology-Progress Series, 18, 97-111.
139. Warwick, R.M. & Price, R. (1979) Ecological and metabolic studies on free-living nematodes from an estuarine mudflat. Estuarine, Coastal and Marine Science, 9, 257-271.
140. Waters, T.F. (1969) The turnover ratio in production ecology of freshwater invertebrates. The American Naturalist, 103, 173-185.
141. Wieser, W. (1960) Benthic studies in Buzzards Bay. II. The meiofauna. Limnology and Oceanography, 5, 121-137.
142. Woombs, M.&Laybourn-Parry, J. (1984) Feeding biology of Diplogasteritus nudicapitatus and Rhabditis curvicaudata (Nematoda) related to food concentration and temperature, in sewage treatment plants. Oecologia (Berlin), 64, 163-167.