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HUBUNGAN TEKSTUR SEDIMEN DENGAN MANGROVE DI DESA MOJO KECAMATAN ULUJAMI KABUPATEN PEMALANG

1Program Studi Manajemen Sumberdaya Perairan, Indonesia

2Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia

Published: 20 Dec 2016.

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Abstract

ABSTRAK

 

Desa Mojo merupakan salah satu wilayah Kecamatan Ulujami yang memiliki kawasan mangrove yang luas. Hutan mangrove di Desa Mojo merupakan hasil rehabilitasi yang dilakukan oleh masyarakat sekitar dan pihak terkait. Hutan mangrove Desa Mojo mempunyai fungsi yang sangat penting bagi daerah sekitarnya. Rehabilitasi yang telah dilakukan tersebut memberikan efek terhadap ekosistem. Habitat mangrove yang ada di Desa Mojo tersebut kemungkinan memberikan karakteristik terhadap sedimen sebaliknya karakteristik sedimen merupakan faktor penting terhadap keberadaan mangrove. Penelitian dilakukan pada bulan Maret – april 2016. Tujuan penelitian ini adalah untuk mengetahui hubungan karakteristik sedimen terhadap tegakan mangrove. Metode yang digunakan untuk menghitung kerapatan mangrove yaitu Point Centered Quarter Method. Karakteristik sedimen meliputi pengukuran fisika sedimen, pengukuran tekstur sedimen dengan metode Soil Jar Test (FAO), dan bahan organik sedimen diukur dengan metode LOI (Loss on Ignition). Hasil penelitian menunjukkan bahwa kondisi kawasan mangrove di Desa Mojo termasuk sangat padat, karena memiliki kerapatan lebih dari 1500 pohon per hektar (KepMenLH No.201, 2004). Sedimen pada kawasan mangrove Desa Mojo memiliki karakteristik tekstur silt (lumpur). Hasil Principal Component Analysis korelasi spesies mangrove dipengaruhi langsung oleh kuantitas silt dibandingkan dengan faktor lingkungan lainnya.

 

 

Kata Kunci : Tekstur sedimen; Mangrove; Ulujami; Pemalang

 

ABSTRACT

 

Mojo village is one of the District of Ulujamithat has extensive mangrove areas. The mangrove forest in the village of Mojo is the result of the rehabilitation undertaken by the local community and other interested parties. It has a very important function for the surrounding area. The rehabilitation has been done to give effect to the ecosystem. Mangrove habitat in the village of Mojo and sediment characteristics of mutrual influenced.. The study was conducted in March - April 2016. The purpose of this study was to determine the correlation characteristic of sediment to mangrove stands. The method used to calculate the density of mangrove namely Point Centered Quarter Method. Sediment characteristics include physical measurements of sediment, sediment texture measurement method Jar Test Soil (FAO), and sedimentary organic matter is measured by the method of LOI (Loss on Ignition). The results showed that the condition of the mangrove area in the village of Mojo include very dense, because it has a density of more than 1500 trees per hectare (KepMenLH 201, 2004). Sediment in the mangrove areas Desa Mojo has the characteristic texture of silt. The data used by the Principal Component Analysis correlation mangrove species were influenced by the quantity of silt, while there is no direct impact on other environmental factors on the existing mangrove species.

 

Keywords: Sediment texture,Mangrove. Ulujami, Pemalang

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