I haven't updated in a while because I've been away on two biology field
trips, and I decided that telling you about them would be a swell way to get back into the swing of
things. My compulsory biology field trip went to Aberystwyth and the optional
went to the exotic Ecuador and Galapagos.
I found Aberystwyth useful, fun and informative. We spent a week sampling
and analysing data during the day, and attending lectures in the evenings. The sampling
was fun, but I thought it was also very interesting because it gave us all an
idea of what it would be like if we were to go into a job that required raw
data to be gathered outside of a laboratory – in chemistry (particularly
organic) or biology there are many jobs which need someone to go out and sample.
We took our samples and we assessed them for:
·
Indicator species
·
Oxygen content (Winklers test)
·
pH
·
Temperature
·
Nitrate concentration
·
Nitrite concentration and others
We also took transects along certain areas (mainly the shoreline) to get an
idea of zonation and repeated this in a number of locations to show how the
external conditions (exposed or sheltered rocky shore) could influence the
species living there.
The teachers emphasised the need for everyone to use the same methodology so
reliable results could be obtained and also for everyone to be as precise as
possible. We then gathered all the results together and collated them to get a
much larger picture of the area we were looking at. I already knew that there
were some species which only lived when conditions of pollution were
particularly high, and you could use these as a basic measure of how clean the
water is, but I didn’t realise that the presence of other species which thrive
in polluted water would be used as an indication that the water quality was
fairly poor.
The lectures in the evening were a bit tiring (lectures went on until 9/9:30, we had to be up at 6:30 to get ready for the day) but very interesting. One evening the teachers showed us a video of a man who wanted countries to put a price on the value of the ecology and environment so that he could show businessmen and women how much the environment was worth financially, to get them behind conservation and supporting the environment. I thought that this was a fascinating idea and I hope it works.
We stayed in university halls, and I really enjoyed the camaraderie and the
whole experience of being slightly more independent.
I also thought that I’d take the time to mention that I have work experience
organised at a care home (two weeks! Very excited!), I’m in the process of
talking to another hospice as the last one I contacted fell through, and I’m
also pleased to mention I may be volunteering with the Berks, Bucks and
Oxfordshire Air Ambulance trust!
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