The effect of colours and different materials on physico-chemical properties of water and on the appearance of mosquitos
Student(s):Vinko Michael Dodig, Maja Milas, Mirta Medak, Juraj Stancl,
Grade Level:Secondary School (grades 9-12, ages 14-18)
GLOBE Teacher(s):Mihaela Marceljak Ilic
Report Type(s):International Virtual Science Symposium Report
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Mosquito development is a mean of encouragement for disposing and recycling waste. This is especially important for developing countries where mosquito carried diseases are more frequent. A recent example of this problem is the Zika virus.
Our research question is: What are the effects of colours and different materials on physico-chemical properties of water and on the appearance of mosquitos?
Containers made of different materials and colours, were paced around the school station; glass, plastic, rubber in black, white, green, yellow, red colour were used. The measurements took place form 1.3.2016. to 25.4.2016. „Mosquito Larvae Sampling Field Guide“ was used for sampling. Physico-chemical properties of water that were measured using GLOBE protocols.
The only larvae were found in black glass and plastic containers. A high pH value is an inhibiting factor for the development of mosquitos. The low concentrations of inorganic compounds don’t have an inhibiting effect on the development of mosquitos and were suitable for the development of microorganisms.
The results indicate that the greatest number of organisms, such as mosquitos and algae, will develop in black materials.
In this research only the common mosquito, that doesn’t spread diseases, was found (genus Culex)..
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