Water Quality Monitoring Koh Tao
For corals to thrive, environmental conditions must be just right. Environments that promote survival and growth of corals are essential for maintaining diverse and healthy reef ecosystems. Areas that provide favourable conditions for growth of coral skeletal structures through calcification are especially important for the reef building hard-corals, as without them, many of the reef species would not be able to survive.

Corals are strongly affected by changes that occur in their surrounding environment. Several abiotic (non-living) factors such as temperature, pH or nutrient load can influence a coral’s ability to survive, grow and reproduce, ultimately affecting coral fitness. Abiotic factors play a significant role during a coral’s planktonic larval stage, with the presence or absence of certain factors affecting where larvae will settle. For corals to thrive, a balance of abiotic factors is often necessary

The Roctopus ecoTrust are involved in water quality monitoring on several reefs around Koh Tao. Water samples are collected and several abiotic parameters are measured through titrations and digital analysis. Certain factors that are monitored include; pH, salinity, turbidity, temperature, nitrate and phosphate content, and dissolved oxygen content.

Knowing how changes in abiotic factors influence survival and growth is important for us to understand certain requirements for corals to show optimal fitness. This knowledge may help to identify threats to corals and identifying areas where corals may be stressed or challenged due to suboptimal environmental conditions.

Monitoring Abiotic Factors Koh Tao
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