Nadja Straubinger


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PhD student

Molecular ecology and physiology of cyanobacteria

Rainer Kurmayer

+43 6232 3125-33
+43 6232 3578
n.straubinger@gmail.com

Employment History Research Staff Projects Teaching Presentations

M.Sc. (Diploma) in biology (Ecology), university of Vienna (2007) Title: “Wachstum und Produktion von Leuciscus cephalus in naturnahen und restrukturierten Abschnitten von Fließgewässern”

Tutorium: Quantitative Süßwasserökologie (2006, 2007, 2009), Biologische Einführungsübungen (2007) (University of Vienna)

Project employment: FIDON (2004-2007), Monitoring of spawning areas and fish migration in river Fischa and river Danube.

Research

Preliminary thesis title: Phytoplankton community structure and toxin production in Kenyan fish ponds

The BOMOSA project (http://bomosa.oeaw.ac.at) aims to establish cage fish farming in rural areas of East African countries (Kenya, Uganda, Ethiopia). Economically important fish species such as the cichlid Tilapia sp. are filter feeders collecting (phyto)plankton from water.

An interesting question is, if there is any influence from aquaculture on water quality or vice versa an effect of water quality on the fish due to phytoplankton composition. This issue is particularly relevant as canobacteria are abundant and potentially toxin-producing in those areas. In my thesis I have two major research tasks,

  1. monitoring of phytoplankton community structure in dependence on environmentalf factors such as macronutrients, temperature, etc.
  2. identifying potential toxin producers in phytoplankton, with particular emphasis on the most abundant toxins the microcystins
  3. identifying phylogeographical patterns in microcystin production by means of the isolation of strains of Microcystis from various climatic regions
Presentations

N. Straubinger, R. Kurmayer, M. Schagerl. Environmental impact. BOMOSA project annual meeting 2009. Machakos, Kenya.

N. Straubinger, R. Kurmayer, M. Schagerl. Phytoplankton community study and cyanotoxin production. BOMOSA project annual meeting 2008. Machakos, Kenya.

Nadja Straubinger, Rainer Kurmayer, Michael Schagerl. Toxin production by cyanobacteria in fish ponds in Kenya. SIL Austria Meeting 2008, Lunz am See.

Nadja Straubinger, Rainer Kurmayer, Michael Schagerl. Phytoplanktongemeinschaften und Microcystinproduktion in kenianischen Fischteichen. 12. Tagung der DBG Sektion Phykologie 2008, Wittenberg, Deutschland.

N. Straubinger, R. Kurmayer, M. Schagerl. Plankton analyses. BOMOSA project annual meeting 2007. Machakos, Kenya.