Event Details

Date:
Tuesday, 13 October 2020 - Tuesday, 13 October 2020
Time:
1:00 pm - 2:00 pm
Room:
Zoom meeting: register at https://tinyurl.com/y2n47ww4
URL:
https://marine.uq.edu.au/content/seminar-series
Event category(s):

Event Contact

Name:
gabriella scata
Phone:
0490887277
Email:
s4418132@student.uq.edu.au
Org. Unit:
Marine Science

Event Description

Full Description:
Hi everyone!
The Centre for Marine Science is hosting the last postgraduate student seminar of the semester, Tuesday 13th October at 1 pm.
The seminar will be held on Zoom. Please register in advance for this meeting: https://tinyurl.com/y2n47ww4

Join us in exploring two very different aspects of coral reef biology. PhD students Alejandro Astorga Moar and Sarah Shah will bring us from the role of coral reefs in nearshore dynamics to the unusual reproduction of corals symbionts.

You can find the abstracts of their talks below and the poster enclosed for further information.

We hope to see you on Zoom next Tuesday!
Please remember to keep your video and audio switched off to prevent internet connection issues and avoid any background noise.
You will need to be logged-in with Zoom to access the seminar.

Information on future seminars is available at: https://marine.uq.edu.au/content/seminar-series.
If you would like to present in the future, contact us at marine@uq.edu.au.


Cheers,
Gabriella Scata’
PhD student, QBI
https://ecovis.org.au/


CMS Seminar – 13th October 2020
Coastal dynamics under predictive scenarios of reef degradation
Alejandro Astorga Moar, PhD student, CivEng
Coastal protection is one of the main environmental functions of coral reefs, since they reduce the incident wave energy to the shores. However, reef degradation decreases this function, modifying nearshore dynamics and increasing the coastal vulnerability. This study evaluated the effect of reef degradation over the nearshore dynamics through numerical simulations, based on different scenarios in Akumal’s Bay, Mexico. Results show that reef degradation, increases wave height, current velocity and nearshore sediment transport rates. Based on these changes we expect shoreline erosion in the site, which may decrease if the local stressors are managed, giving the system an opportunity to cope with global changes.

Sex is different in coral symbionts
Sarah Shah, PhD student, SCMB and ACE
Dinoflagellate algae that live in symbiosis with corals use an uncommon way of exchanging DNA during sex. Examining the genomes and transcriptomes of 21 species of these algae, we found that during meiosis they bypass using a protein structure called the synaptonemal complex. We hypothesise that this loss was due in part to these algae’s permanently condensed chromosomes and repeat-rich sequences which favoured the unusual meiotic pathway.

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