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STUDI KERAPATAN MANGROVE DAN PERUBAHAN GARIS PANTAI TAHUN 1989-2018 DI PESISIR PROVINSI JAMBI Eva Achmad; Nursanti Nursanti; Marwoto; Fazriyas Fazriyas; Dwi Putri Jayanti
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 10 No. 2 (2020): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.10.2.138-152

Abstract

The density of mangrove cover is one of the factors that influence changes in shoreline both accretion and abrasion. This study aims to determine the effect of changes in density of mangrove cover on shoreline changes in 1989-2018 in the Coastal Province of Jambi. The method used is the interpretation of Landsat satellite images in 1989, 2000 and 2018 using NDVI (Normalized Difference Vegetation Index) and overlaying images to see shoreline changes and DSAS (Digital Shoreline Analysis System) to calculate the area of change. The results showed that there had been a change in shoreline both accretion and abrasion in several locations that had different mangrove densities in the period 1989-2018. The results showed that accretion occured in 6 locations with an average change of Kota Sebrang 771 m, Tungkal Ilir 240.65 m, Kuala Betara 153.73 m, Mendahara 167.78 m, Kuala Jambi 169.35 m and Nipah 57.3 m, while abrasion occurs at 2 locations with an average change in Sabak Timur -41.8 m and Sadu -36.55 m. Where in the 6 locations that had accretion, mangrove density dominantly was in a close-densed and moderate state and only a few are in a low-densed condition. Meanwhile, the 2 locations that had abrasion were in a moderate state and have a low density mangrove forest.
Bird Diversity in the Freshwater Swamp of Lake Tangkas Ecosystem, Sekernan District, Muaro Jambi Regency Nursanti Nursanti; Monica Hazelina Hutasoit; Ade Adriadi
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 9, No 1 (2023): Jurnal Pembelajaran Dan Biologi Nukleus March 2023
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v9i1.3915

Abstract

After Colombia, Peru, and Brazil, Indonesia is the fourth richest country in the world in terms of the number of bird species. Lake Tangkas Nature TourismĀ is located in two administrative areas, namely Tanjung Terus Village, Sekernan District, Muaro Jambi Regency, and Desa Kaos, Pemayung District, Batanghari Regency, and has an extended form. The region surrounding Tangkas Lake, which is still in its original state, is an ideal habitat for bird species that nest. This study seeks to identify bird species inhabiting freshwater swamp habitats in the Muaro Jambi Tangkas Lake Natural Tourism destination region. This study was conducted in March 2021 at the Lake Tangkas Nature Tourist Area, Tanjung Terus Village, which has 403.11 hectares, Sekernan District, Muaro Jambi Regency. Collecting data on bird species using the point count method. Thirteen observation stations are employed as study locations as counting points. Observations were conducted during peak bird activity, namely in the morning from 6:00 to 10:00 WIB and in the afternoon from 14:00 to 18:00 WIB. According to the results of the study, 36 species of birds from 18 groups (475 individuals) were discovered in the freshwater swamp habitat of Tangkas Lake; the diversity index value is (H'=3.12). The evenness index is 0.87, which places the distribution of bird species in the studied area in the "high" category