1. Ólafsson E & Moore CG 1990. Control of meiobenthic abundance by macroepifauna in a subtidal muddy habitat. Marine Ecology Progress Series 65:241-249.
2. Ólafsson E, Moore CG & Bett BJ 1990. The impact of Melinna palmata Grube, a tube-building polychaete, on meiofaunal community structure in a soft-bottom subtidal habitat. Estuarine Coastal and Shelf Sciences 31:883-893.
3. Ólafsson E & Elmgren R 1991. Effects of biological disturbance by benthic amphipods Monoporeia affinis on meiobenthic community structure: a laboratory approach. Marine Ecology Progress Series 74: 99-107.
4. Ólafsson E 1991. Intertidal meiofauna of four sandy beaches in Iceland. Ophelia 33: 55-65.
5. Ólafsson E 1992. Small-scale spatial distribution of marine meiobenthos: the effects of decaying macrofauna. Oecologia 90: 37-42.
6. Ólafsson E. & Moore CG 1992. Effects of macroepifauna on developing nematode and harpacticoid assemblages in a subtidal muddy habitat. Marine Ecology Progress Series 84: 161-171.
7. Ólafsson E, Elmgren R & Papakosta O 1993. Effects of the deposit-feeding benthic bivalve Macoma balthica on meiobenthos. Oecologia 93: 457-462.
8. Ólafsson E, Johnstone R & Ndaro SMG 1995. Effects of intensive seaweed farming on the meiobenthos in a tropical lagoon. Journal of Experimental Marine Biology and Ecology 191: 101-117.
9. Ndaro SGM & Ólafsson E 1995. Selection of meiobenthic prey by Gerres oyena in a tropical lagoon in Eastern Africa. Ambio 14: 517-519.
10. Ndaro SGM, Sjöling S & Ólafsson E 1995. Small-scale variation in major meiofaunal taxa and sediment chemistry in tropical sediments. Ambio 14: 470-474.
11. Johnstone RW & Ólafsson E 1995. Some environmental aspects of open water algal cultivation, Zanzibar, Tanzania. Ambio 14: 465-469.
12. Ólafsson E 1995. Meiobenthos in mangrove areas in eastern Africa with emphasis on assemblage structure of free-living marine nematodes. Hydrobiologia 312: 47-57.
13. Öhman M, Rajasuriya A & Ólafsson E 1997. Coral reef fish assemblages in north-western Sri Lanka: Distribution patterns and influences of fishing practises. Environmental biology of fishes 49: 45-61.
14. Ingólfsson A & Ólafsson E 1997. Vital role of drift algae in the life history of the pelagic Parathalestris croni (Copepoda: Harpacticoida), in the northern North Atlantic. Journal of Plankton research 19: 15-27.
15. Ólafsson E & Elmgren R 1997. Seasonal dynamics of sublittoral meiobenthos in relation to phytoplankton sedimentation in the Baltic Sea. Estuarine Coastal and Shelf Sciences 45: 149-164.
16. Ólafsson E & Ndaro SGM 1997. Impact of the mangrove crabs Uca annulipes and Dotilla fenestrata on meiobenthos. Marine Ecology Progress Series 158: 225-231.
17. Pallo P, Widbom B & Ólafsson E 1998. A quantitative survey of the benthic meiofauna in the Gulf of Riga (eastern Baltic Sea), with special reference to the structure of nematode assemblages. Ophelia: 117-139.
18. Modig H & Ólafsson E 1998. Responses of marine benthic invertebrates to hypoxic events in the Baltic Sea. Journal of Experimental Marine Biology and Ecology 229: 133-148.
19. Ólafsson E 1998. Are wood boring isopods a real threat to the well being of mangrove forests? Ambio 27: 760-761.
20. Ólafsson E, Modig H, van de Bund WJ 1999. Species specific uptake of radio-labelled phytodetritus by benthic meiofauna from the Baltic Sea. Marine Ecology Progress Series 177: 63-72.
21. Ndaro SGM & Ólafsson E 1999. Soft-bottom fauna with emphasis on nematode assemblage structure in a tropical intertidal lagoon in Zanzibar, eastern Africa I: Spatial variability. Hydrobiologia 405: 133-148.
22. Ólafsson E, Carlström S, Ndaro SGM 2000. Meiobenthos of hypersaline tropical mangrove sediment in relation to spring tide inundation Hydorbiologia 426: 57-64.
23. Modig H, van de Bund WJ, Ólafsson E 2000. The uptake of radio-labelled phytodetritus by three common ostracod species in the Baltic Sea: laboratory experiments on competition and the effects of disturbance Marine Ecology Progress Series 202: 125-134.
24. Modig H, Ólafsson E 2001. Survival and bioturbation of the amphipod Monoporeia affinis in sulphide rich sediments. Marine Biology 138: 87-92.
25. Clement M & Ólafsson E 2001. A brief re-description of the common harpacticoid Pseudobradya arctica (Olofsson, 1917) from the Baltic Sea with some ecological notes Sarsia 86: 221-228.
26. Ólafsson E, Ingólfsson A, Steinarsdóttir MB 2001. Phytal harpacticoid copepods: important colonisers of drift algae in the northern North Atlantic Hydrobiologia 453: 189-200.
27. van de Bund WJ, Ólafsson E, Modig H & Elmgren R 2001. Effects of the coexisting Baltic amphipods Monoporeia affinis and Pontoporeia femorata on the fate of a simulated spring diatom bloom. Marine Ecology Progress Series 212: 107-115.
28. Carlén A, Ólafsson E 2002. The effects of the gastropod Terebralia palustris on infaunal communities in a tropical tidal mud-flat in East Africa. Wetlands Ecology and Management 10: 303-311.
29. Limén H, Ólafsson E 2002. Ostracod species-specific utilisation of sediment detritus and newly settled cyanobactyeria, Aphanizomenon sp., in the Baltic Sea: evidence from stable carbon isotopes. Marine Biology 140: 733-738.
30. Wenngren J, Ólafsson E 2002. Exploitative intraspecific food competition within and between year classes in the amphipod Monoporeia affinis – The cause of population fluctuations? Marine Ecology Progress Series 240: 205-213.
31. Ólafsson E, Limén H 2002. Recovery of soft-bottoms after anoxic events: Laboratory experiments with the amphipod Monoporeia affinis from the Baltic Sea. Ophelia 56: 121-134.
32. Ólafsson E, Buchmayer S, Skov MW 2002. The East African decapod crab Neosarmatium mernerti sweeps mangrove floors clean of leaf litter. Ambio 31: 569-573.
33. Svavarsson J, Osore MKW, Ólafsson E 2002. Does the wood-borer Sphaeroma terebrans shape the distribution of the mangrove Rhizophora mucronata? Ambio 31: 574-579.
34. Kotta J, Ólafsson E 2003. Competition for food between the introduced polychaete Marenzelleria viridis and the resident amphipod Monoporeia affinis in the Baltic Sea. Journal of Sea Research 50: 27-35.
35. Steinarsdóttir MB, Ingólfsson A, Ólafsson E 2003. Seasonality of harpacticoids in a tidal pool, SW-Iceland. Hydrobiologia 503: 211-221.
36. Ullberg, Ólafsson E 2003. Free-living marine nematodes actively choose habitat when descending from the water column. Marine Ecology Progress Series 260:141-149.
37. Ullberg, Ólafsson E 2003. Effects of biological disturbance by amphipods on small scale migration of marine nematodes in low energy soft sediments. Marine Biology 143: 867-874.
38. Neideman, R, Wenngren J, Ólafsson E 2003. Competition between the introduced polychaete Marenzellaria sp. and the native amphipod Monoporeia affinis in Baltic soft bottoms? Marine Ecology Progress Series 264: 49-55.
39. Jones MB, Ingólfsson A, Ólafsson E, Helgason GV, Gunnarsson K, Svavarsson J 2003. Migrations and dispersal of marine organisms - Proceedings of the 37th European Marine Biology Symposium held in Reykjavik, Iceland, 5-9 August 2002 – Preface Hydrobiologia 503 (1-3): IX-IX AUG 1 2003
40.Ólafsson E 2003. Do macrofauna structure meiofauna assemblages in marine soft-bottoms? A review of experimental studies. Vie et Milieu 53: 249-265.
41. De Troch M, Steinarsdóttir MB, Chepurnov V, Ólafsson E. 2005. Grazing on diatoms by harpacticoid copepods: species-specific density-dependent uptake and microbial gardening. Aquatic Microbial Ecology 39: 135-144
42. Ólafsson E, Ullberg J & Arroyo NL 2005. The clam Macoma balthica prevents development of algal mats in shallow soft-bottoms: implications for the development of meiofaunal assemblages. Marine Ecology Progress Series 298: 179-188
43. De Troch M,Chepurnov V,Gheerardyn H, Vanreusel A, Ólafsson E. 2006. Food-size selectivity of harpacticoid copepods grazing on diatoms. Journal of Experimental Marine Biology and Ecology 332: 1-11.
44. Arroyo NL, Aarnio K, Ólafsson E. 2007. Interactions between two closely related phytal harpacticoid copepods, asymmetric positive and negative effects. Journal of Experimental Marine Biology and Ecology 341: 219-227.
45. Galluci F, Ólafsson E. 2007. Cannibalistic behaviour of rock-pool copepods: an experimental approach for space, food and kinship" has been accepted for publication in Journal of Experimental Marine Biology and Ecology 342: 325-331.