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All Journal Berkala Perikanan Terubuk Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan
Khairul Jamil
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Earth & Planetary Sciences Education Engineering Environmental Science

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MANGROVE VEGETATION, TAMPARA VILLAGE, SOUTH KALEDUPA DISTRICT, WAKATOBI REGENCY, SOUTHEAST SULAWESI PROVINCE Khairul Jamil; Katarina Hesty Rombe
Berkala Perikanan Terubuk Vol 50, No 1 (2022): Februari 2022
Publisher : Fakultas Perikanan dan Kelautan, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/terubuk.50.1.1384-1393

Abstract

Mangrove forest is a type of forest that grows in tidal areas, especially on protected beaches, lagoons, and river mouths whose vegetation communities can tolerate high salinity). This research began to be carried out from March to June located in Tampara village, South Kaledupa District, Wakatobi Regency, Southeast Sulawesi Province which aims to determine mangrove species, density, closure, and Important Value Index (IVI). The method used is line transect. The observations found 4 types of mangroves in the transect, namely Rhizophora stylosa, Bruguiera gymnorrhiza, Rhizophora mucronata, and Rhizophora apiculata. The density of trees and seedlings has a good density with an average of very dense criteria, while the mangrove sapling category has a damaged density and all stations have a rare density. The highest closure was Bruguiera gymnorrhiza 96.49% (station 4), the lowest was Rhizophora apiculata 2.75% (station 1). The highest overall IVI of mangroves was 200% of Rhizophora stylosa and Rhizophora mucronata (stations 2,3,4 and 7) and the lowest IVI was 39% of Rhizophora mucronata at station 5 seedling level.
Composition, Density Species and Coverage of Seagrass in Nara Bay Beach, North Lombok Katarina Hesty Rombe; Khairul Jamil; Agus Surachmat; Dwi Rosalina; Abdul Rahman; Kelfindo Efraim
Berkala Perikanan Terubuk Vol 51, No 2 (2023): Juli 2023
Publisher : Fakultas Perikanan dan Kelautan, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/terubuk.51.2.1845-1852

Abstract

Nara Bay Beach has enormous marine resource potential with high biodiversity. One of the marine resources owned by Nara Bay Beach is seagrass beds. The purpose of this study was to calculate the composition, species density and cover of seagrass and to measure water quality parameters at Nara Bay Beach. The method used in collecting seagrass data at the location is the quadrant transect. The number of stations used is 3 stations. The results showed that Cymodocea rotundata had the highest species composition value of 73.48% (ST.3), the highest density was obtained by Syringodium isoetifolium of 161.8 (ST.3), the highest seagrass cover was obtained at ST. 3 and for water quality parameters (temperature, salinity, currents and pH) are still within optimum limits for seagrass growing.
Assessing changes in the mangrove ecosystem land area of Tanakeke Island, Takalar Regency, using Landsat 8 imagery Dwi Rosalina; Katarina Hesty Rombe; Yasser Arafat; Khairul Jamil; Hawati Hawati; Anisa Aulia Sabilah; Warni Warni; Ani Leilani; Rezza Ruzuqi; Suci Puspita Sari; Eva Utami
Depik Vol 13, No 2 (2024): AUGUST 2024
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.13.2.33697

Abstract

Rewataya Village is situated on Tanakeke Island, within the Takalar Regency. Despite its significance, previous studies have not addressed the mapping of changes in mangrove land area within this locale. The present research aimed to fill this gap by assessing alterations in mangrove land area from 2013 to 2023, alongside examining density and canopy cover conditions. The method employed for mapping changes in land area entailed utilizing the unsupervised method with maximum likelihood classification. Additionally, the assessment of mangrove conditions involved employing plot line transects to determine species density and hemispherical photography methods to evaluate canopy cover. Notably, two types of mangroves, namely Rhizophora mucronata and Rhizophora apiculata, are prevalent in this village. The mangrove species density in Rewataya Village, Tanakeke Island, is categorized as “good.” In addition, the canopy cover in Rewataya Village falls within the classification of “very dense” according to mangrove damage criteria. However, there has been a notable reduction in the mangrove ecosystem area between 2013 and 2023, with a decrease of 42.28 hectares (from 367.13 hectares to 324.84 hectares).Keywords:  MangroveLandsat 8Rewataya villageUnsupervised
Co-Authors Abdul Rahman Agus Surachmat Ani Leilani Anisa Aulia Sabilah Dwi Rosalina Dwi Rosalina Eva Utami Hawati Hawati Katarina Hesty Rombe Katarina Hesty Rombe Kelfindo Efraim Rezza Ruzuqi Suci Puspita Sari Warni Warni Yasser Arafat