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Náttúrufræðingurinn - 2010, Síða 66

Náttúrufræðingurinn - 2010, Síða 66
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(http://www.eppo.org/QUARANTINE/plants/Crassula_ helmsii/Crassula_helmsii_DS.pdf). The Global Invasive Species Database 2010. Invasive Species Specialist 60. Group (ISSG) of the IUCN Species Survival Commission. http://www. issg.org/database (skoðað 15.06.2010). Simpson, D.A. 1984. A short history of the introduction and spread of 61. Elodea Michx in the British Isles. Watsonia 15. 1–9. NOBANIS 2010. The North European and Baltic Network on Invasive 62. Alien Species. A gateway to information on alien and invasive species in North and Central Europe. http://www.nobanis.org/Search.asp (skoðað 14.06. 2010). Hussner, A., Van de Weyer, K., Gross, E.M. & Hilt, S. 2010. Comments on 63. increasing number and abundance of non-indigenous aquatic macro- phyte species in Germany. Í: Weed Research (ritstj. Marshall, E.J.P.). Blackwell Publishing Ltd. (http://dx.doi.org/10.1111/j.1365-3180.2010. 00812.x). Capers, R.S., Bugbee, G.J., Selsky, R. & White, J.C. 2005. Invasive Aquatic 64. Plants of Connecticut. Bulletin No. 997. The Connecticut Agricultural Experiment Station. New Haven. 28 bls. Um höfundinn Tryggvi Þórðarson (f. 1952) lauk cand. mag.-prófi í raun- vísindum frá Háskólanum í Osló 1978 og cand. real.- prófi í vatnavistfræði frá sama skóla 1983. Hann hefur starfað hjá Heilbrigðiseftirliti Reykjavíkur og Rann- sókna- og fræðasetri Háskóla Íslands í Hveragerði. Póst- og netfang höfundar/Author’s address Tryggvi Þórðarson Melgerði 6 IS-200 Kópavogur trygg@hive.is 80 3-4#Loka_061210.indd 146 12/6/10 7:22:35 AM
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