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Ms. Mary's Dragonfly Research
Dragonfly Research
Ms. Mary collecting damselflies and dragonflies

Ms. Mary conducted scientific research during the summer of 2018.  She participated in a research project at Gustavus Adolphus College studying dragonflies.  Here is an excerpt from her research:

 

Dragonflies and Damselflies are considered a good biological monitors for environmental conditions.  Odonata species need both aquatic and terrestrial environments. Much research has been conducted to prove the need for pristine waterways to support the larval stage of Odonatan development.  In the scientific research article by Alysa Remsburg, she stated, “ locations with higher densities of odonates in the water also have higher densities of odonates on land. She also concluded,” water clarity helped predict larval densities and riparian wetland vegetation helped predict emergent dragonfly densities”.  Research has also been conducted to propose the need for quality terrestrial habitat too. In the research article by Ales Dolny, Filip Harabis and Hana Mizicova they stated about their research,”little is know about the importance of terrestrial habitat patches for dragonflies or about other factors that initiate or influence dispersal behavior”.  

Literature supports finding differences in Odonata sex ratios near water habitats (Foster and Soluk, 2006), with a higher number of males present.  Ten teachers funded by the National Science Foundation through the University of Minnesota desired to ground truth the sex ratio difference in odonatans in two habitats:  a prairie and a retention pond located at the Linnaeus Arboretum at Gustavus Adolphus University in St. Peter’s Minnesota.