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Pengaruh Ukuran Partikel Sedimen Terhadap Kerapatan Dan Morfometrik Daun Lamun (Enhalus Acoroides) Di Perairan Desa Jago-Jago Tapanuli Tengah Provinsi Sumatera Utara
ABSTRACT
This research has been held on March-April 2019 in Jago-Jago sea waters of Tapanuli Tengah, North Sumatera. The purpose of this study was to determine the density of species, morphometrics of Enhalus acoroides leaves. The study was also aimed to analyze the effect of sediment particle sizes on density and morphometrics of seagrass leaves. The stations were determined by purposive sampling and use transect line method for taken sample. The results of this study showed that the highest density was found in Station II which had very coarse sand sediment particles, coarse sand, medium sand and fine sand with a value of 33,99 stands / m2 and the lowest density is found in Station III which has very coarse sand sediment particles and coarse sand with a value of 31,88 stands / m2. Morphometric average length of seagrass leaves the longest at Station II with a value of 36,90 cm and the shortest at Station I with a value of 32,29 cm. Morphometric average width of seagrass leaves at Station II with a value of 1,60 cm and the shortest at Station I with a value of 1,50 cm. The result of simple linear regression test results of the effect of sediment particle size on the density and morphometrics of seagrass leaves with R2 (coefficient of determination) = 0,44; 0,22; 0,35 indicate the effect of sediment particle size on the density and morphometrics of seagrass leaves Enhalus acoroides.
Keywords : Sediment Particle Sizes, Seagrass, Density, Morphometrics
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