Assessment of Carbon Status in Marine Protected Area of Payung Island Waters, South Sumatera Province, Indonesia
Abstract: CO2 is a greenhouse
gas that receive more attention than the other gases because the properties of
carbon easily deformed and diffuseed. Changes in the concentration of CO2 in
the water will impact on changes in the amount of CO2 in the atmosphere that
affect sea surface temperatures. It continuously will result in a change of
marine capture fisheries. Payung Island is one of the important areas in South
Sumatra that acts as the provider of the fishery. This because Payung Island is
located in the mouth of Musi and Telang River covered by mangrove, has a very
important ecological function. However, the condition of the carbon in the
waters of the Payung Island has not explored further. This elementary study is
to determine status on Payung Island waters as a sink or source of CO2. The
study was conducted in June until August 2015. The research stages include
surface water sampling, measurement of the CO2in the atmosphere, the analysis
of the concentration of Dissolved Inorganic Carbon (DIC) and Total Alkalinity
(TA), and partial pressure of carbon dioxide (pCO2) calculation. Atmospheric CO2 were measured insitu, while
the DIC and TA were analyzed using titration methods. Partial pressure of
carbon dioxide (pCO2) obtained from the calculation using the software CO2Calc
using data of DIC, TA, nutrients and
atmospheric CO2. The results showed that the content of DIC and TA on the
Payung Island waters has similar distribution pattern i.e. high in areas close to the river, and
getting lower in the area which were closer to the sea. The comparisons between
pCO2atmosphere and pCO2 waters showed that Payung Island waters generally act
as a carbon sink in area towards the sea but however, in the territorial waters
adjacent to the river as a source of carbon.
Keywords: carbon, marine
protected area, Payung Island waters
Author: Anna Ida Sunaryo
Purwiyanto, Fitri Agustriani
Journal Code: jpperikanangg170035
Artikel Terkait :
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