Abstract
This study aims to determine the composition and density of macro marine debris in the mangrove area of Keramat Village, Mananggu Sub-District, Boalemo Regency. This research was carried out from August to September 2021. Data collection was carried out using a purposive sampling survey method using 3 line transects to collect macro-sized waste types. The results of the study found that several types of waste in the mangrove area of Keramat Village consisted of plastic and non-plastic waste. The composition of plastic waste amounted to 99.14%, and non-plastic waste was 0.86%. The highest density was found in line transect 1 with a value of 6500 amount/ha.
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