Abstract
This research was conducted at the Kupang dan Rote Islands, East Nusa Tenggara in June until November 2018. This research using Wet Peroxide Oxidation methods and aims to obtain data on microplastics distributin that accumulates in coastal sediments in Kupang and Rote Islands. A result of this research shows that the lowest coast is Ndana Beach at 5 particles/400gr and Pasir Panjang has the highest microplastics abundancre of 23 particles/400gr. A microplastics obtained are fragments, fibers and films but for films that are obtained in 2 stations is Oenggae Beach and Pasir Panjang Beach. A microplastics colors obtained are black, blue, yellow, red, green and white and for sizes small microplastics dominant in all stations. Keywords: Kupang and Rote Island, Microplastic, Coastal Sediments, Wet Peroxide Oxdation
Highlights
Sawu Sea waters are one of the waters with coral reef biodiversity and are a high catchment migration location
This study aims to obtain composition data and microplastic distribution data on coastal sediments in Kupang and Rote Island, East Nusa Tenggara
Microplastic abundance accumulated in coastal sediments found that the lowest abundance on Ndana Beach was 5 particles / 400gr and the highest was at Pasir Panjang Beach at 23 particles / 400gr
Summary
Sawu Sea waters are one of the waters with coral reef biodiversity and are a high catchment migration location. These waters are influenced by Cross-Indonesian Flow originating from the Pacific Ocean and the Indian Ocean (Wyrtki, 1987) besides these waters there are core zones and utilization zones (Ministry of Maritime Affairs and Fisheries, 2009). Coastal areas have the potential to become sources of environmental pollutants in a water due to human activities. Primary microplastic itself is a plastic that enters waters accidentally or due to negligence while secondary microplastic is a large plastic when entering the waters and degrades into micro-sized particles (Moore, 2008)
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