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All Journal Jurnal Ilmu Kelautan Spermonde Bambu Laut: Jurnal Pengabdian Masyarakat
La Nafie, Yayu A
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Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Social Sciences

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DIFFERENCES IN SPECIES, COVERAGE AND DENSITY OF SEAGRASS IN THE INTERTIDAL AND SUBTIDAL AREAS AT LABAKKANG BEACH, PANGKAJENE ISLAND REGENCY Indah Sandra Dewi; Lanuru, Mahatma; La Nafie, Yayu A; Amri, Khairul; Ukkas, Marzuki
Jurnal Ilmu Kelautan SPERMONDE VOLUME 10 NUMBER 1, 2024
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jiks.v10i1.19976

Abstract

Labakkang Beach, Pangkajene Islands Regency has the characteristics of gently sloping coastal waters covered with various mangrove and seagrass communities. In general, seagrass is more commonly found in intertidal than subtidal areas, this is due to the depth reason. However, based on first observations, seagrass in Labakkang coastal waters thrives in subtidal areas and is less fertile in intertidal areas. The purpose of this study was to decide the differences in species, cover, and density of seagrass in intertidal and subtidal areas in the waters of Labakkang Beach, Pangkajene Islands Regency. This research was conducted in July 2021 with the method used, namely purposive sampling. Measurements of environmental parameters at the sampling location were carried out directly (in situ) including temperature, salinity, tides, depth, and current velocity, while turbidity, Total Organic Matter (TOM) analysis, and grain size of sediment were carried out tegakanirectly (ex-situ). The results of the average measurements of temperature, salinity, current velocity, depth, turbidity and TOM respectively show the range of 300C - 310C; 33.3‰ – 35.0‰; 0.07 m/s - 0.18 m/s (at high tide); 0.31 m - 1.32 m; 11.06 NTU - 29.04 NTU and 2.49 % - 5.39 %. The results of sediment analysis using Software Gradistat are 2 types of sediment, namely medium sand & fine sand and 2 types of sediment texture, namely Slightly Gravelly Sand and Slightly Gravelly Muddy Sand. The average percentage of seagrass cover at the intertidal station was 23.33 % while at the subtidal station it was 61.11% and only 2 species of seagrass were found, namely Enhalus acoroides and Halophila ovalis. The average density of seagrass at the intertidal station is 48.88 ind/m2 while at the subtidal station it is 86 ind/m2. The results of the Independent T-test analysis showed that there were significant differences in the cover and density of seagrass in the intertidal zone and subtidal zone in the coastal waters of Labakkang.
Pelatihan Teknologi Restorasi dan Monitoring Lamun Sebagai Upaya Perbaikan Habitat Sumberdaya Ikan di Kabupaten Pangkep La Nafie, Yayu A; Lanuru, Mahatma; Ambo-Rappe, Rohani; Nurdin, Nurjannah; Amri, Khairul; Banda Selamat, Muhammad
Bambu Laut: Jurnal Pengabdian Masyarakat VOLUME 1, NOMOR 2, OKTOBER 2024
Publisher : Fakultas Ilmu Kelautan dan Perikanan Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35911/bambulaut.v1i2.37151

Abstract

Ekosistem padang lamun memiliki peranan yang tidak kalah penting dengan mangrove di wilayah pesisir Kelurahan Pundata Baji, Kabupaten Pangkep. Namun, masyarakat belum mengetahui sepenuhya tentang fungsi fisik, ekologis, serta sosial ekonomi ekosistem lamun. Demikian juga dengan pengetahuan dan keterampilan dalam hal restorasi habitat lamun yang telah mengalami kerusakan (degradasi).  Dengan demikian, salah satu hal penting dilakukan adalah memberikan penyuluhan, pelatihan,  serta pembuatan demplot (percontohan) mengenai teknologi restorasi lamun berbasis masyarakat melalui penanaman (transplantasi) lamun. Selain itu, juga dilakukan pelatihan monitoring ekosistem lamun hasil transplantasi tersebut. Ujicoba transplantasi lamun dilakukan dengan menggunakan 3 metode, yaitu 1) Frame bambu /(modifikasi) TERFS (Transplanting Eelgrass Remotely with Frame Systems, 2) jangkar dengan tegakan tunggal (single shoot) serta 3) kurungan. Ketiga metode tersebut merupakan metode simple dan low-cost sehingga mudah dipelajari dan diaplikasikan oleh kelompok target.  Setelah 35 hari, hasil transplantasi menunjukkan 100% tingkat keberlangsungan hidup. Namun, perbedaan panjang daun lamun pada transplantasi yang di kurung (36,11±2,8 cm) adalah lebih rendah dibandingkan ke dua metode lainnya (metode frame bambu 44±5.01cm dan jangkar 47±2,08 cm). Dengan adanya penyuluhan, pelatihan, dan pembuatan demplot, pengetahuan masyarakat target tentang fungsi lamun serta upaya perbaikannya menjadi bertambah. Selain itu, masyarakat menjadi tahu dan terampil dalam hal 1) transplantasi lamun dan 2) monitoring lamun hasil transplantasi. Sebagai tambahan dari kegiatan tersebut adalah tersedianya area penangkapan alternatif di areal penanaman lamun bagi kelompok nelayan di Persisir Pundata Baji. 
Co-Authors Ambo-Rappe, Rohani Banda Selamat, Muhammad Indah Sandra Dewi Khairul Amri Mahatma Lanuru Marzuki Ukkas, Marzuki Nurjannah Nurdin