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Peer reviewed articles

Book chapters

Reports and other publications


Peer reviewed articles

72. Thomsen MS, Hildebrand T, South PM, Foster T, Siciliano A, Oldach E, Schiel DR. 2016. A sixth-level habitat cascade increases biodiversity in an intertidal estuary. Ecology and Evolution 6: 8291–8303. DOI: 10.1002/ece3.2499 PDF

71. Wernberg T. Bennett S., Babcock RC, Bettignies Td, Cure K, Depczynski M, Dufois F, Fromont J, Fulton JC, Hovey RK, Harvey ES, Holmes TH, Kendrick GA, Radford B, Santana-Garcon J, Saunders BJ, Smale DA, Thomsen MS, Tuckett CA, Tuya F, Vanderklift MA, Wilson S. 2016. Climate driven regime shift of a temperate marine ecosystem. Science 353:169-172. DOI: 10.1126/science.aad8745.

70. South PM, Thomsen MS. 2016. The ecological role of invading Undaria pinnatifida: an experimental test of the driver-passenger models. Marine Biology 163:1-15. DOI: 10.1007/s00227-016-2948-1 PDF

69. Thomsen MS, Wernberg T, South PM, Schiel DR. 2016. To include or not to include (the invader in community analyses)? That is the question. Biological Invasions 18: 1515-152, DOI: 10.1007/s10530-10016-11102-10539 PDF.

68. South P, Lilley S, Tait L, Alestra T, Hickford M, Thomsen MS, Schiel D. 2016. Transient effects of an invasive kelp on the community structure and primary productivity of an intertidal assemblage. Marine and Freshwater Research 67: 103-112. DOI: http://dx.doi.org/10.1071/MF14215 PDF

67. Thomsen MS, Metcalfe I, South P, Schiel DR. 2016. A host-specific habitat former controls biodiversity across ecological transitions in a rocky intertidal facilitation cascade. Marine and Freshwater Research 67: 144-152. DOI: http://dx.doi.org/10.1071/MF14152 PDF

66. Tait LW, South P, Lilley SA, Thomsen MS, Schiel DR. 2015. Assemblage and understory carbon production of native and invasive canopy forming macroalgae. Journal of Experimental Marine Biology and Ecology 469: 10–17. DOI: http://dx.doi.org/10.1016/j.jembe.2015.04.007 PDF

65. Thyrring J, Thomsen MS, Brunbjerg AK, Wernberg T. 2015. Diversity and abundance of epibiota on invasive and native estuarine gastropods depend on substratum and salinity. Marine and Freshwater Research 66: 1-10. DOI: http://dx.doi.org/10.1071/MF14311. PDF

64. Thomsen MS, Wernberg T. 2015. The devil in the detail: harmful seaweeds are not harmful to everyone. Global Change Biology 21: 1381–1382. DOI:10.3354/meps10566 PDF Online Supplement

63. Thomsen MS, Wernberg T, Olden JD, Byers JE, Bruno JF, Silliman BR, Schiel DR. 2014. Forty years of experiments on invasive species: are biases limiting our understanding of impacts? Neobiota 22: 1-22. DOI: 10.3897/neobiota.22.6224 PDF Online Supplement

62. Thomsen MS, Byers JE, Schiel DR, Bruno JF, Olden JD, Wernberg T, Silliman BR. 2014. Impacts of marine invaders on biodiversity depend on trophic position and functional similarity. Marine Ecology Progress Series 495: 39–47. DOI: 10.3354/meps10566 PDF Online Supplement

61. Thomsen MS, Wernberg T. 2014. On the generality of cascading habitat formation. Proc. Roy. Soc. London Ser B 281(1777):20131994. DOI: 10.1098/rspb.2013.1994. PDF Online Supplement

60. Wernberg T, Russell BD, Bradshaw CJA, Gurgel CFD, Thomsen MS, Poloczanska ES, Connell SD. 2014. Misconceptions about analyses of Australian seaweed collections. Phycologia 53: 215-220. DOI: http://dx.doi.org/10.2216/13-197.1 PDF

59. Gurgel CFD, Wernberg T, Thomsen MS, Russell BD, Adam, P, Waters MJ, Connell SD. 2014 Shared patterns of species turnover between seaweeds and seed plants break down at increasing distances from the sea. Ecology and Evolution 4: 27-34, DOI: 10.1002/ece3.893. PDF

58. Thyrring J, Thomsen MS, Wernberg T. 2013. Large scale facilitation of a sessile community by an invasive habitat-forming snail. Helgolander Marine Research 67: 789-794. DOI: 007/s10152-013-0363-2 PDF Online Supplement

57. Thomsen MS, Staehr PA, Nejrup LB, Schiel DR. 2013. Effects of the invasive macroalga Gracilaria vermiculophylla on two co-occurring foundation species and associated invertebrates. Aquatic Invasions 8: 133-145. DOI: http://dx.doi.org/10.3391/ai.2013.8.2.02 PDF

56. Wernberg T, Thomsen MS, Connell SD, Russell BD, Waters JM, Zuccarello GC, Kraft GT, Sanderson C, West JA, Gurgel CFD. 2013. The Footprint of Continental-Scale Ocean Currents on the Biogeography of Seaweeds. PLOS one 8:e80168. DOI: 10.1371/journal.pone.0080168 PDF

55. Wernberg T, Thomsen MS, Kotta J. 2013. Complex plant–herbivore–predator interactions in a brackish water seaweed habitat. Journal of Experimental Marine Biology and Ecology 449: 51-56. DOI: http://dx.doi.org/10.1016/j.jembe.2013.08.014 PDF

54. Nejrup LB, Staehr PA, Thomsen MS. 2013. Temperature and light dependent growth and metabolism of the invasive red algae Gracilaria vermiculophylla (Ohmi) Pappenfuss – a comparative study with two native macroalgae. European Journal of Phycology 48: 295–308. DOI: http://dx.doi.org/10.1080/09670262.2013.830778 PDF

53. Wernberg T, Smale DA, Tuya F, Thomsen MS, Langlois TJ, De Bettignies T, Bennett S, Rousseaux CS. 2013. An extreme climatic event alters marine ecosystem structure in a global biodiversity hotspot. Nature Climate Change 3: 78-82. DOI: 10.1038/nclimate1627 PDF Online Supplement

52. De Bettignies T, Thomsen MS, Wernberg T. 2012. Wounded kelps: patterns and susceptibility to breakage. Aquatic Biology 17: 223-233. DOI 10.3354/ab00471 PDF

51. Thomsen MS, de Bettignies T, Wernberg T, Holmer M, Debeuf B. 2012. Harmful algae are not harmful to everyone. Harmful Alga 16: 74-80. DOI: 10.1016/j.hal.2012.01.005 PDF

50. Wernberg T, Smale DA, Thomsen MS. 2012. A decade of climate change experiments on marine organisms: procedures, patterns and problems. Global Ecology Biology 18: 1491-1498. DOI: 10.1111/j.1365-2486.2012.02656.x PDF Online Supplement

49. Hoeffle H, Wernberg T, Thomsen MS, Holmer M. 2012. Drift algae, an invasive snail and elevated temperature reduces the ecological performance of a warm-temperate seagrass, through additive effects. Marine Ecology Progress Series 450: 67-80. DOI: 10.3354/meps09552 PDF

48. Thomsen MS, Wernberg T, Engelen AH, Tuya F, Vanderklift MA, Holmer M, McGlathery KJ, Arenas F, Kotta J, Silliman BR. 2012. A meta-analysis of seaweeds impact on seagrasses: generalities and knowledge gaps. PLoS One 7: e28595. DOI: 10.1371/journal.pone.0028595 PDF Online Supplement

47. Ramsey E III, Rangoonwala A, Thomsen MS, Schwarzschild A. 2012. Flat-plate techniques for measuring reflectance of macro-algae (Ulva curvata). International Journal of Remote Sensing 33: 3147-3155. DOI: 10.1080/01431161.2011.633124 PDF

46. Ramsey E III, Rangoonwala A, Thomsen MS, Schwarzschild A. 2012. Spectral definition of the macro-algae Ulva curvata in the back-barrier bays of the Eastern Shore of Virginia, USA. International Journal of Remote Sensing 33: 586-603. DOI: 10.1080/01431161.2010.543436 PDF

45. Wernberg T, Russell B, Thomsen MS, Gurgel CFD, Bradshaw CJA, Poloczanska ES, Connell SD. 2011. Seaweed communities in retreat from ocean warming. Current Biology 21: 1828-1832. DOI: 10.1016/j.cub.2011.09.028 PDF Online Supplement

44. Thomsen MS, Ferdie M, McGlathery KJ. 2011. Tube-forming polychaetes enhance invertebrate diversity and abundance in sandy sediments of Mozambique, Africa. African Journal of Marine Science 33: 327–332. DOI: 10.2989/1814232X.2011.600433 PDF

43. Thomsen MS, Olden J, Wernberg T, Griffin J, Silliman BR. 2011. A broad framework to organize and compare invasion impacts. Environmental Research 111: 899 –908. DOI: 10.1016/j.envres.2011.05.024 PDF Online Supplement

42. Tuya F, Wernberg T, Thomsen MS. 2011. The relative influence of local to regional drivers of variation in reef fishes. Journal of Fish Biology 79: 217-234. DOI: 10.1111/j.1095-8649.2011.03015.x PDF

41. Tuya F, Vanderklift MA, Wernberg T, Thomsen MS. 2011. Gradients in the number of species at reef-aeagrass ecotones explained by gradients in abundance. PLoS One 6: e20190. DOI: 10.1371/journal.pone.0020190 PDF

40. Thomsen MS, Wernberg T, Olden J, Griffin J, Silliman BR. 2011. A general framework to address context-dependent invasion impact. Journal of Experimental Marine Biology and Ecology 400: 322-327. DOI: 10.1016/j.jembe.2011.02.033 PDF

39. Wernberg T, Thomsen MS, Tuya F, Kendrick G. 2011. Biogenic habitat structure on reefs change along a latitudinal gradient in temperate ocean climate. Journal of Experimental Marine Biology and Ecology 400: 264-271. DOI: 10.1016/j.jembe.2011.02.017 PDF

38. Hoeffle H, Thomsen MS, Holmer M. 2011. High mortality of Zostera marina under high temperature regimes but minor effects of the invasive macroalgae Gracilaria vermiculophylla. Estuarine Coastal and Shelf Science 92: 35-46. DOI: 10.1016/j.ecss.2010.12.017 PDF

37. Holmer M, Wirachwong P, Thomsen MS. 2011. Negative effects of stress-resistant drift algae and high temperature on a small ephemeral seagrass species. Marine Biology 158: 297-309. DOI: 10.1007/s00227-010-1559-5 PDF

36. Waters JM, Wernberg T, Connell SD, Thomsen MS, Zuccarello J, Kraft GT, Sanderson C, West JA, Gurgel CFD. 2010. Australia’s marine biogeography revisited: back to the future? Austral Ecology 35: 988–992. DOI: 10.1111/j.1442-9993.2010.02114.x PDF

35. Wernberg T, Tuya F, Thomsen MS, Kendrick GA. 2010. Turban snails as habitat for foliose algae: contrasting geographical patterns in species richness. Marine & Freshwater Research 61: 1-6. DOI: 10.1071/MF09184 PDF

34. Thomsen MS. 2010. Experimental evidence for positive effects of invasive seaweed on native invertebrates via habitat-formation in a seagrass bed. Aquatic Invasions 5: 1-6. DOI: 10.3391/ai.2010.5.4.02 PDF

33. Thomsen MS, Altieri A., Wernberg T, Tuya F, Gulbransen D, McGlathery K, Holmer M, Silliman BR. 2010. Habitat cascades: the conceptual context and global relevance of facilitation cascades via habitat formation and modification. Integrative and Comparative Biology 50: 158-175. DOI:10.1093/icb/icq042 PDF Online Supplement

32. Tuya F, Vanderklift M, Wernberg T, Thomsen MS, Hynes G, Hanson C. 2010. Proximity to edges impacts cross-habitat flows: implications for abundance patterns and species interactions. Marine Ecology Progress Series 405: 175–186. DOI: 10.3354/meps08516 PDF

31. Wernberg T, Thomsen MS, Tuya F, Kendrick G, Staerh P. 2010. The resilience of Australasian kelp beds decrease along a latitudinal gradient in ocean temperature. Ecology Letters 13: 685–694. DOI: 10.1111/j.1461-0248.2010.01466.x PDF

30. Thomsen MS, Wernberg T, Tuya F, Silliman BR. 2010. Ecological performance and possible origin of a ubiquitous but under-studied gastropod. Estuaries, Coastal and Shelf Sciences 87: 501-650. DOI: 10.1016/j.ecss.2010.02.014 PDF Online Supplement

29. Thomsen MS, McGlathery KJ, Schartschild A, Silliman BR. 2009. Distribution and ecological role of the non-native macroalgae Gracilaria vermiculophylla in Virginia salt marshes. Biological Invasions 11: 2303-2316. DOI: 10.1007/s10530-008-9417-9 PDF

28. Tuya F, Wernberg T, Thomsen MS. 2009. Habitat structure affect abundances of labrid fishes across temperate reefs in south-western Australia. Environmental Biology of Fishes. 86: 311–319. DOI: 10.1007/s10641-009-9520-5 PDF

27. Thomsen MS, Wernberg B, Silliman BR, Tuya F. 2009. Evidence for impacts of non-indigenous macroalgae: a meta-analysis of experimental field studies. Journal of Phycology 45: 10-15. DOI: 10.1111/j.1529-8817.2009.00709.x PDF Online Supplement

26. Nyberg C, Thomsen MS, Wallentinus I. 2009. Flora and fauna associated with the introduced red alga Gracilaria vermiculophylla. European Journal of Phycology. 44: 395-403. DOI: 10.1080/09670260802592808 PDF

25. Thomsen MS, Wernberg T, Silliman BR, Josefson A. 2009. Broad-scale patterns of abundance of non-indigenous soft-bottom invertebrates in Denmark. Helgoland Marine Research 63: 159-167. DOI: 10.1007/s10152-008-0142-7 PDF

24. Tuya F, Wernberg T, Thomsen MS. 2009. Colonization of gastropods on subtidal reefs depends on density in adjacent habitats, not on disturbance regime. Journal of Molluscan Studies 75: 27–33. DOI: 10.1093/mollus/eyn032 PDF

23. Tuya F, Wernberg T, Thomsen MS. 2008. Testing the ‘abundant centre’ hypothesis on endemic reef fishes in south-western Australia. Marine Ecology Progress Series 372: 225–230. DOI: 10.3354/meps07718 PDF

22. Thomsen MS, Wernberg T, Stæhr PA, Silliman BR, Josefson AB, Krause-Jensen D, Risgaard-Petersen N. 2008. Annual changes in abundance of non-indigenous marine benthos on a very large spatial scale. Aquatic Invasions 3: 133-139. DOI: 10.3391/ai.2008.3.2.3 PDF

21. Tuya F, Wernberg T, Thomsen MS. 2008. The spatial arrangement of reefs alters the ecological patterns of fauna between interspersed algal habitats. Estuarine, Coastal and Shelf Science 78: 774–782. DOI: 10.1016/j.ecss.20 08.02.017 PDF

20. Thomsen MS, McGlathery KJ. 2007. Stress tolerance of the invasive macroalgae Codium fragile and Gracilaria vermiculophylla in a soft-bottom turbid lagoon. Biological Invasions 9: 1-12. DOI: 10.1007/s10530-006-9043-3 PDF

19. Thomsen MS, Stæhr P, Nyberg C, Krause-Jensen D, Schwærter S, Silliman BR. 2007. Gracilaria vermiculophylla in northern Europe, with focus on Denmark, and what to expect in the future. Aquatic Invasions 2: 83-94. DOI: 10.3391/ai.2007.2.2.1 PDF

18. Thomsen MS, Wernberg T, Stæhr PA, Krause-Jensen D, Risgaard-Petersen N, Silliman BR. 2007. Alien macroalgae in Denmark – a broad-scale national perspective. Marine Biology Research 3: 61 – 72. DOI: 10.1080/17451000701213413 PDF

17. Thomsen MS, Silliman BR, McGlathery KJ. 2007. Spatial variation in recruitment of native and invasive sessile species onto oyster reefs in a temperate soft-bottom lagoon. Estuarine, Coastal & Shelf Science 72: 89-101. DOI: 10.1016/j.ecss.2006.10.004 PDF

16. Thomsen MS, McGlathery KJ, Tyler AC. 2006. Macroalgal distribution pattern in a shallow, soft-bottom lagoon, with emphasis on the nonnative Gracilaria vermiculophylla and Codium fragile. Estuaries and Coasts 29: 465-473. DOI: 10.1007/BF02784994 PDF

15. Thomsen MS, Wernberg T, Stæhr PA, Pedersen MF. 2006. Spatio-temporal distribution patterns of the invasive macroalga Sargassum muticum within a Danish Sargassum-bed. Helgoland Marine Research 60: 50-58. DOI: 10.1007/s10152-005-0016-1 PDF

14. Thomsen MS, McGlathery KJ. 2006. Effects of accumulations of sediments and drift algae on recruitment of sessile organisms associated with oyster reefs. Journal of Experimental Marine Biology and Ecology 328: 22-34. DOI: 10.1016/j.jembe.2005.06.016 PDF

13. Thomsen MS, Gurgel CFD, Fredericq S, McGlathery KJ. 2006. Gracilaria vermiculophylla (Rhodophyta, Gracilariales) in Hog Island Bay, Virginia: a cryptic alien and invasive macroalgae and taxonomic corrections. Journal of Phycology 42: 139-141. DOI: 10.1111/j.1529-8817.2006.00160.x PDF

12. Thomsen MS, Wernberg T. 2005. Miniview: What affects the forces required to break or dislodge macroalgae? European Journal of Phycology 40: 1-10. DOI: 10.1080/09670260500123591 PDF

11. Thomsen MS, McGlathery K. 2005. Facilitation of macroalgae by the sedimentary tube forming polychaete Diopatra cuprea. Estuarine, Coastal and Shelf Science 62: 63-73. DOI: 10.1016/j.ecss.2004.08.007 PDF

10. Thomsen MS, Krause-Jensen D, Wernberg T, Stæhr PA, Risgaard NP. 2005. Alien seaweeds in Denmark: Where? When? How many? (in Danish). Urt 29: 110-115 PDF

9. Wernberg T, Thomsen MS. 2005. The effect of wave exposure on the morphology of Ecklonia radiata in southwestern Australia. Aquatic Botany 83: 61-70. DOI: 10.1016/j.aquabot.2005.05.007 PDF

8. Pedersen MF, Stæhr PA, Wernberg T, Thomsen MS. 2005. Biomass dynamics of exotic Sargassum muticum and native Halidrys siliquosa in Limfjorden, Denmark – implications of species replacements on turnover rates. Aquatic Botany 83: 31-47. DOI: 10.1016/j.aquabot.2005.05.004 PDF

7. Thomsen MS, Wernberg T, Kendrick G. 2004. The effect of thallus size, life stage, aggregation, wave exposure and substrate conditions on the forces required to break or dislodge the small kelp Ecklonia radiata. Botanica Marina 47: 454-460. DOI: 10.1515/BOT.2004.068 PDF

6. Thomsen MS 2004. Species, thallus size and substrate determine macroalgal break forces and break places in a low energy soft bottom lagoon. Aquatic Botany 80: 153-161. DOI: 10.1016/j.aquabot.2004.08.002 PDF

5. Wernberg T, Thomsen MS, Stæhr PA, Pedersen MF. 2004. Epibiota communities of the introduced and indigenous macroalgal relatives Sargassum muticum and Halidrys siliquosa in Limfjorden (Denmark). Helgoland Marine Research 58: 154-161. DOI: 10.1007/s10152-004-0180-8 PDF

4. Wernberg T, Coleman M, Fairhead A, Miller S, Thomsen MS. 2003. Morphology of Ecklonia radiata (C. Ag.) J. Agardh. along its geographic distribution in Southwestern Australia and Australasia. Marine Biology 143: 47-55. DOI: 10.1007/s00227-003-1069-9 PDF

3. Wernberg T, Thomsen MS, Stæhr PA, Pedersen MF. 2001. Comparative phenology of Sargassum muticum and Halidrys siliquosa (Phaeophycae: Fucales) in Limfjorden, Denmark. Botanica Marina 44: 31-49. DOI: 10.1515/BOT.2001.005 PDF

2. Stæhr PA, Pedersen MF, Thomsen MS, Wernberg T, Krause-Jensen D. 2000. The Invasion of Sargassum muticum in Limfjorden (Denmark) and its possible impact on the indigenous macroalgal community. Marine Ecology Progress Series 207: 79-88. DOI: 10.3354/meps207079 PDF

1. Wernberg T, Thomsen MS, Stæhr PA. (1998). The invasion of japweed (Sargassum muticum) in Denmark – status anno 1998 (in Danish). Urt 4: 128-132 PDF


Book chapters

10. Thomsen MS, Wernberg T, Stæhr T, Schiel D. 2016. Ecological Interactions between Marine Plants and Alien Species. In: Marine Macrophytes as Foundation Species (Edi. Ólafsson E), Science Publisher/CRC Press. 226-258. ISBN 9781498723244 PDF

9. Thornber CS, Jones E, Thomsen MS. Epibiont-Marine Macrophyte Assemblages. In: Marine Macrophytes as Foundation Species (Edi. Ólafsson E), Science Publisher/CRC Press, p. 43-75. ISBN 9781498723244 PDF

8. Wernberg T, Arenas F, Olabarria C, Thomsen MS, Mohring MB. 2016. Threats to Ecosystem Engineering Macrophytes: Climate Change. In: Marine Macrophytes as Foundation Species (Edi. Ólafsson E), Science Publisher/CRC Press. p. 201-225 ISBN 9781498723244 PDF

7. Thomsen MS, Wernberg T, South P, Schiel DR. 2016. Non-native seaweeds drive changes in marine coastal communities around the world. In ‘Seaweed Phylogeography‘ (Edi. Ceridwen Fraser and Hu Zi-Min) Springer Press. p. 147-185. ISBN 978-94-017-7534-2 PDF

6. Straub, S., Wernberg, T. Thomsen MS. 2016. Seaweed range expansions. Book chapter to ‘Seaweed Phylogeography’ In ‘Seaweed Phylogeography‘ (Edi. Ceridwen Fraser and Hu Zi-Min) Springer Press. p. 63-93. ISBN 978-94-017-7534-2 PDF

5. Thomsen MS, Wernberg T, Schiel D. 2015. Impacts of Marine Invasions on Biodiversity and Ecosystem Functioning. In: ‘Marine ecosystems: human impacts on biodiversity, functioning and services‘ (Edi. Crowe, Frid, & Austen), Cambridge University Press’s Ecology, Biodiversity and Conservation series p. 274-332, ISBN: 9781107037670 PDF

4. Wernberg T, Russell BD, Thomsen MS, Connell SD. 2014. Marine biodiversity and climate change. In: ‘Global Environmental Change, Handbook of Global Environmental Pollution‘ (Edi. Freedman B.) Vol. 1. Springer-Verlag Berlin Heidelberg. p. 181-187. DOI: 10.1007/978-94007-5784-4_80 PDF

3. McCoy MW, Altieri AH, Holdredge C, Thomsen MS, Silliman BR. 2012. Facilitation. In: ‘Encyclopedia of theoretical ecology‘ (Edi. Hastings A, Gross LJ), University of California Press. p. 276-280. ISBN: 9780520269651 PDF

2. Thomsen MS, Adam P, Silliman BR. 2009. Anthropogenic threats to Australasian coastal salt marshes. In: ‘Human Impacts on Salt Marshes: A Global Perspective‘ (Edi. Silliman BR, Bertness MD, Strong D), University of California Press. p. 361-390. ISBN: 9780520258921 PDF

1. Silliman BR, Bertness MD, Thomsen MS. 2009. Trophic cascades and climate change in southern US marshes: Will the over-harvesting of blue crabs and drought stress trigger massive die-off of southern salt marshes? In: ‘Human Impacts on Salt Marshes: A Global Perspective‘ (Edi. Silliman BR, Bertness MD, Strong D), University of California Press. p. 103-114. ISBN: 9780520258921 PDF


Reports and other publications


10. Thomsen MS, Oldach E. 2016. Habitat cascades. Wikipedia https://en.wikipedia.org/wiki/Habitat_cascade

9. Hansen JW, Stæhr PA, Mohn C, Thomsen MS. 2012. Evaluation of ballast water risk assessment. Research note from DCE – Danish Centre for Environment and Energy. Pp. 45

8. Thomsen MS, Stæhr PA. 2012. Third Symposium on Danish Marine Bioinvasions, Roskilde: PDF Abstract Book. Pp. 14 PDF

7. Stæhr PA, Thomsen MS. 2011. Notatudkast – Opgørelse over rumlig udbredelse, tidslig udvikling og tæthed af introducerede arter i danske farvande (Reviews; Spatio-temporal disribution and densities of introduced marine species in Danish waters). Report for Danish National Environmental Research Academy. Pp. 21 PDF

6. Thomsen MS, Stæhr PA. 2010. Second Symposium on Danish Marine Bioinvasions, Copenhagen: PDF Abstract Book – With Introduction & Summery. Pp. 19 PDF

5. Thomsen MS, Wernberg T. 2009. Drift algae, invasive snails and seagrass health in the Swan River: patterns, impacts and linkages. Final report the Swan River Trust, Report no 2009-2 from the Centre for Marine Ecosystems Research, Edith Cowan University, Perth, Australia. Pp.105 PDF

4. Wernberg T, Thomsen MS, McMahon K. 2008. Determining seagrass depth distribution in the Swan River – a test of the dumpy level method with recommendations for alternatives. Report prepared for the Water Science Branch, Department of Water. Report no 2008-2 from the Centre for Marine Ecosystems Research, Edith Cowan University, Perth, Australia. Pp. 21 PDF

3. Thomsen MS, Wernberg T, Stæhr PA, Krause-Jensen D, Josefson A, Tendal O. 2008. Introduced animals and plants in Denmark – terminology, mechanisms and effects (in Danish). Naturens Verden 6:10-18 PDF

2. Thomsen MS, Stæhr PA, Wernberg T. 2007. First Symposium on Danish Marine Bioinvasions, Copenhagen: PDF Abstract Book – With Introduction & Summery. Pp. 18 PDF

1. Thomsen MS, Josefson A, Wernberg T. 2007. Introduced benthic marine invertebrates: how abundant are they in Denmark? (In Danish) Vand og Jord 2: 44-48 PDF