Tropical Diatoms of Costa Rica
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Publications related to neotropical diatoms and biodiversity and endemism

Bixby, R. J., M. B. Edlund, and E. F. Stoermer. In press. Hannaea superiorensis sp. nov., an endemic diatom from the Laurentian Great Lakes. Diatom Research 20:00-00.

Ranvestal, A. W., K. R. Lips, C. M. Pringle, M. R. Whiles, and R. J. Bixby. 2004. Neotropical tadpoles influence stream benthos: evidence for ecological consequences of amphibian declines. Freshwater Biology 49: 274-285. [pdf]

Electronic Publications

Presentations

Bixby, R. J., U. Wydrzycka and C. M. Pringle. 2005. Diatom assemblages as indicators of solute levels in lowland Neotropical streams, Costa Rica. Bulletin of the North American Benthological Society 22(1): 426. [abstract]

Bixby, R. J., U. Wydrzycka, and E. C. Ruck. 2004. Diatom biodiversity in lowland neotropical streams, Costa Rica. 18th International Diatom Symposium, Miedzyzdroje, Poland.

Bixby R. J. and U. Wydrzycka. 2004. Changes in diatom assemblages along solute gradients in lowland neotropical streams, Costa Rica. 18th International Diatom Symposium, Miedzyzdroje, Poland.

Carlson, B. K. and R. J. Bixby. 2004. The importance of geothermal input and canopy cover on the diatom community composition in neotropical streams, Costa Rica. Bulletin of the North American Benthological Society 21(1): 414. [abstract]

Bixby, R. J., B. K. Carlson and U. Wydrzycka. 2003. Light and solute effects on diatom communities in neotropical streams. North American Diatom Symposium, Islamorada, Florida.

Wydrzycka, U. and R. J. Bixby. 2003. A little known species of Geissleria and its occurrence in Costa Rica. North American Diatom Symposium, Islamorada, Florida.

Bixby, R. J., A. Ramírez and C. M. Pringle. 2003. Effects of light and phosphorus on algal communities in lowland neotropical streams, Costa Rica. Bulletin of the North American Benthological Society 20(1): 205. [abstract]

Teaching

"Introduction to phytoplankton," Guest Lecture, Limnology, University of Georgia, 2004-05.

"Biodiversity and landscape patterns of diatoms in neotropical lowland, streams," La Selva Biological Station, Costa Rica, 2003.

"Neotropical stream diatoms," Dartmouth College Tropical Ecology course, La Selva Biological Station, Costa Rica 2003.

"Diatoms as biological indicators," Guest Lecture, Biology of Protists, University of Georgia, 2003.

"The use of diatoms as environmental indicators," La Selva Biological Station, Costa Rica, 2002.