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Training Module 5 - Mangrove Management
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Impression of the field visit by Trudie Clarke
Our second field exercise was one that went very well in the opinion of the
Team. It started with us leaving the Guyana Sea Defences around 8:30am on
Wednesday 19th May 2004 with Mr. Owen Bovell, Ms. Vilma Panday, Mr. Dianand
Somwaru, Mr. Amir Samad, Ms. Cathelijne van Haselen and Mrs. Trudie Clarke. In
Den Amstel we picked up Mr. Chandra Balliram and Mr. Doodnauth Lochan. Together
we went to the first site at Ruimzeight where we had visited on a previous
exercise (see website). | ||||||||||
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At this site we made observations with the Data Collection Sheet and carried out
a Water Quality Test, we measured salinity, pH, dissolved oxygen, temperature
and Electrical Conductivity. Mr. Doodnauth Lochan gave his opinions on what was
taking place or had been taking place in the area over the years since the
flushing out of the Demerara River. The area closest to the sea was inaccessible
because of the softness of the soil moving further out but observations were
made as far as the eye could see. There was a man present at the site who had been grazing his animals, curious to what we were doing, whom we asked about how far the sea water would come in. He tried to tell us but I am not sure that either of us understood his “slur” very much but it was understood by evidence there that there is flushing in that area. We then moved on to the other site…Ledestein. This site was much different than the first one. Erosion is very evident in this area. Very few mangroves (black mangrove) trees are present. The soil is a mix of coarse sand and a clay layer below with the sling mud moving further out to sea. Vines, ferns and other species are noticeably replacing the mangrove vegetation. | ||||||||||
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Information from Mr. Doodnauth Lochan indicated that the area deteriorate very
quickly in 2004 compared to 2003. There’s evidence that some precautionary
methods were made to prevent further “break away” of the embankment but has
since been washed away by the tide. A free standing concrete wall of about 190ft
is present but it does not look like it’ll be there for much longer. Mangrove
trees have been uprooted by the erosion which stays there lying dead. Samples of
the water were taken and observations made. However, the instrument we were
using started to give very curious readings. The tide had started to come in by the time we completed our task and were preparing to leave. Not everyone was comfortable wearing booths. This site was the last for the day because of our time schedule to cross the bridge before it closed at 2:30pm. We had intended to visit one other site (Harlem) but this was impossible and so has been postponed for next time. This brought us to the end of the exercise from where we returned having a late lunch on our way back. This proved good for us to talk informally and discuss small changes to be made to the Data Collection Sheet and further actions to be taken in the project to further develop Sub-module 4. All in all, it was a successful exercise. |
