E3S Web Conf.
Volume 324, 2021Maritime Continent Fulcrum International Conference (MaCiFIC 2021)
|Number of page(s)||4|
|Section||Maritime Science and Technology|
|Published online||16 November 2021|
Index of Mangrove Health Around the Ex-Bauxite Mining Area, Tanjungpinang City, Riau Islands Province
Aquatic Resources Management Department, Faculty of Marine and Fisheries Sciences, Raja Ali Haji Maritime University, Tanjungpinang, Riau Islands, 19100, Indonesia
2 Environmental Science Doctoral Program, Riau University, Pekanbaru, Riau, 19200, Indonesia
3 Marine Science Departement, Faculty of Fisheries and Marine Science, Riau University, Pekanbaru, Riau, 19200, Indonesia
4 Fisheries Departement, Faculty of Agriculture, Bina Insan University, South Sumatra, 19500, Indonesia
* Corresponding author: firstname.lastname@example.org
There are several former bauxite mining areas on Bintan Island which until now have been left open and not managed properly. In Tanjungpinang, the location of the former bauxite mine is located around the mangrove forest ecosystem. The impact of bauxite mining that changes the structure, texture, and physical of the soil can interfere with the development of the root system and the growth of surrounding plants, including mangroves. Therefore, it is necessary to know the health condition of mangroves around the former bauxite mining area. The method used is a cluster plot by calculating the percentage of tree damage based on organ location, type, and level of damage. The results of the analysis show that the health condition of the mangrove forest in Tanjungpinang City is healthy (50,9%); slightly damaged (40,4%) and moderately damaged (8,8%). The locations of the organs that suffered the most damage were roots, lower and upper stems, and leaves. The most common type of damage found roots submerged in red mud; stems and leaves covered with dust and red sand; termite; broken stem; roots break and die; broken shoots; and the leaves change color. The greatest severity is found between 10% and 20%.
© The Authors, published by EDP Sciences, 2021
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