Estimation of the growth and survival rate of various species of corals (Pocillopora damicornis) and (Acropora calthrata) during the use of Biorock technology in the Chabahar Bay
2019
Mahmood Sinaei | Bolouki Mehdi | Javad Ghasemzadeh
Using the electric field in the biorock method increases the growth and survival rate in a wide variety of coral species. In this regard, we evaluated the effects biorock method on the growth and survival of coral Acropora calthrata and Pocillopora damicornis in Chabahar Bay for four months. Coral pieces were placed on steel structures under a 6V electric field in the biorock process. The mean coral growth of P. damicornis and A. calthrata in the biorock structure was 10.68 ± 0.3(cm) and 12 ± 0.29(cm), respectively, and in the control construct was 5.27 ± 0.2(cm) and 5.25 ± 0.23(cm), respectively. The results showed a significant difference between coral growth in biorock and non-biorock structures (p <0.05). The results showed that the growth of A. calthrata was higher than P.damicornis after exposure to the electric field. The results of this study indicated the effectiveness of using biorock technology in increasing the growth and survival rate of various coral species. The application of this technology can play an important role to protect the biodiversity and genetic diversity of corals.
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