Analysis internship – Carla García Carrancio
On summer time 2021 I had the chance to conduct a analysis go to on the College Museum of Bergen below challenge NorHydro. Concretely, I used to be working with the hydrozoan collections, the place I acquired to know first-hand the position performed by the curators and the significance of the collections. I examined a number of specimens and digitalized their related information creating e-vouchers. Having all the knowledge of specimens in a digital format is essential as a result of it permits different researchers to entry the fabric with out having to return to the museum and helps to make the stock extra accessible and organised. I additionally improved my data of hydrozoan variety by figuring out quite a few specimens deposited on the museum. For that, I used some keys for each thecate and athecate hydroids from North—West European waters in addition to the steering of my MSc supervisor Luis Martell.
The primary distinction between leptothecate and anthoathecate hydroids is the shortage of theca within the latter (the theca is a cup-like construction that protects the polyps), however a few of them will be very difficult to establish since anthoathecate hydroids could have theca-like buildings, and the theca of lepthothecate polyps could also be tough to see at first sight. Additionally, while you have a look at a pattern, you could discovered a number of hydrozoans rising on the identical substrate all collectively, making identification much more tough. One of many traits used to distinguish species is the presence and the form of the reproductive buildings (gonophores), however they don’t seem to be all the time current if the polyps usually are not reproductive.
Throughout my keep, I additionally had the prospect to go sampling on a analysis boat, which helped me to know higher the procedures and necessities which are crucial to gather hydrozoans. We used a wide-mouthed plankton web that went up and down at a continuing velocity to keep away from damaging the jellies and different gelatinous organisms from the plankton. After sampling, we took the cod-end to the laboratory. There, the content material of the cod-end was poured on a light-weight desk. Then, we chosen attention-grabbing specimens (together with hydromedusae belonging to genus Euphysa) with huge mouthed pipettes and transferred them to Petri dishes crammed with contemporary seawater to look at them higher below a microscope.
Final however not least, I labored on the DNA lab, which allowed me to achieve expertise in new molecular methods that I had not used earlier than and to adapt myself to totally different (and really fashionable) services.
This expertise has been merely nice for me. I beloved the working surroundings and the truth that all people was all the time there to present me a hand. I’ve realized rather a lot and I’m taking with me many mates that I hope to satisfy once more once I come again to Bergen.
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