Projekt

Microbial water quality in aquaculture water

Udbyder

Vejleder

Sted

Nordjylland

Water quality control is important for all kinds of aquaculture systems. Water quality can be improved by various treatments and evaluated by use of reliable monitoring tools and analysis.  A number of well-known chemical parameters are measured on a regular basis, however less focus have been devoted to monitoring of microbial water quality. We recently developed a new and simple assay that can assess the microbial activity in water samples very fast. Compared to traditional measures of biological oxygen demand over 5 days (BOD5) this assay can be made in less than 2 hours (~ BOD0.1).

More research is required to document and further develop this new method, and several research topics can be of relevance. These include but are not limited to:

Study A: Investigations of the potential effects of storage conditions on microbial activity. Here it is interesting to test if storage (-time) of water samples a -20 °C, 5 °C or room temperature affects the enzyme activity. The outcome of this project will be of relevance for future sampling programs and can be combined with other relevant parameters.

Study B: Use the method to quantify the effects of a given treatment (severe disinfection, use of clay, foam fractionation or another treatment) on the microbial activity in treated and untreated water samples.

Study C: Apply and modify the assay to evaluate bacterial colonization on surface.

Study D: Use the method to monitor evolution / succession of controlled microbial communities in mesocosmos trials

Study E: Investigate microbial activity diurnal patterns and sink/sources in a commercial aquaculture system.

Study F: Develop the method for plate readers or by us of a hydrogen peroxide sensor.

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Kontakt

Virksomhed/organisation

DTU Aqua

Navn

Lars-Flemming Pedersen

Stilling

Seniorforsker

Mail

lfp@aqua.dtu.dk

Vejleder-info

Kandidatuddannelsen i Akvatisk Videnskab og Teknologi

Vejleder

Lars-Flemming Pedersen

ECTS-point

10 - 35

Type

Bachelorprojekt, Kandidatspeciale, Specialkursus

OM DTU

DTU er et teknisk eliteuniversitet med international rækkevidde og standard. Vores mission er at udvikle og nyttiggøre naturvidenskab og teknisk videnskab til gavn for samfundet. 10.000 studerende uddanner sig her til fremtiden, og 5.700 medarbejdere har hver dag fokus på uddannelse, forskning, myndighedsrådgivning og innovation, som bidrager til øget vækst og velfærd.

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Anker Engelunds Vej 1
Bygning 101A
2800 Kgs. Lyngby


45 25 25 25

dtu@dtu.dk

CVR-nr. 30 06 09 46

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