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2. Druvietis, I. 2003. Peculiarities of algal flora in bog lakes in Latvia. Ecohydrological Process in Northern Wetlands. Selected papers. Ed. by A. Jarved&E. Lode. Tallinn-Tartu., Tartu University Press: 155-159.
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8. Gruberts D., Paidere J., Priedītis J., Škute A., Druvietis I., Poppels A., Parele E., Eņģele L. 2005. Biodiversity of thr Daugava’s Floodplain Lakes in South-East Latvia. Acta Biologica Universitetis Daugavpiliensis. Vol 5., No.2, Daugavpils: 137-153.
9. Gruberts D. Druvietis I., Klaviņs M. 2005. Seasonal variability of aquatic chemistry and phytoplankton communities in a shallow floodplain lake of the Daugava River, Latvia. Ecohydrology&Hydrobiology. Vol.5 No.2: 129-138.
10. Gruberts D., Druvietis I, Parele E. , Paidere J. , Poppels A. , Prieditis J. , Skute A. 2007. Impact of hydrology on aquatic communities of floodplain lakes along the Daugava River (Latvia). Hydrobiologia, Volume 584, Number 1, Springer Netherlands, pp. 223-237.
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13. Spriņģe G., Kļaviņs M., Birzaks J., Briede A., Druvietis, I., Eglīte L., Grīnberga L., Skuja A. 2007. Climate change and its impacts in inland surface waters”. . Climate Change in Latvia. Ed. M. Kļaviņs. University of Latvia. pp.123-143
14. Spriņģe, G., Briede A., Druvietis I., Parele E., Rodinivs V., 2007. Changes of the Hydroecosystem of Lagoon Lake Engure, Latvia, (1995-2006). Climate Change in Latvia. Ed. M. Kļaviņs. University of Latvia. pp.193-208.
15. Spriņģe, G., Briede, A., Druvietis, I. 2005. Plankton communities of the humic lakes in Teiči Bog Reserve, Latvia. Latvijas Universitātes Raksti. 2005. Nr.692. Zemes un Vides Zinātnes: 144-151.
16. Klavins, M., Rodinov, V., Druvietis, I. 2003. Aquatic chemistry and humic substances in bog lakes in Latvia. Boreal Environ. Res., 8, 113-123
17. Springe G., Druvietis I. and Juhna T. 2001. Development of potentially toxic Cyanobacteria and Bacteria during artifical recharge of Groundwater. Harmful Algal Blooms 2000, Hallegraeff, G, et al. (Eds) Intergovernmental Oceanographic Commission of UNESCO 2001:503-506.

Raksti zinātniskos žurnālos un rakstu krājumos 32
Konferenču tēzes  66

• Limnoloģija,  B daļa, 3 kredītp.
• Hidrobioloģija,   B daļa, 4 kredītp.
• Dabas objektu fotografēšana,   B daļa, 2 kredītp.