It has been a few months since my last blog post here. Honestly I was super busy with prepping everything for the new field season going to conferences. And now here we are!
This year we wanted to start our measurements earlier than last year in Vobster Quay. There were two main questions we needed to answer first:
K this is just a link to another blog post explaining the importance of Daphnia for scientists but in a very nice and original way.
I really appreciated the reference to Star Wars!
One of my biggest problem in the past weeks was measuring the size of Daphnia we have in Vobster Quay. That's very important to understand how they can affect the mixing during the vertical migration and their life stage. Daphnia usually live for 2 months reaching the maximum body length. So different sizes means different ages.
Unfortunately the microscope I have in the Water Quality Lab @UniBath in Civil Engineering wasn't that powerful and even using my Snapzoom microscope adapter didn't help that much. The image was too blurry and I couldn't use even the ruler!
Today I'm going to explain how we measure the turbulence in the lake. But first of all, what is the turbulence? When I say "turbulence", most of you will think to the motion you experience while flying on an aircraft which is the result of the interaction of the plane with air jet streams in the atmosphere.
After the deployment of our acoustic instrument to track the zooplankton migration Last week, we are currently collecting a lot of zooplankton samples during the day to understand the distribution of our Daphnia in Vobster Quay. And today I am going to explain how we are doing this.