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All Journal MEDIA LITBANG SULTENG Mitra Sains
Masyahoro Masyahoro
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Agriculture, Biological Sciences & Forestry Education

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RESPON PERTUMBUHAN PADA BERBAGAI KEDALAMAN BIBIT DAN UMUR PANEN RUMPUT LAUT Eucheuma cottonii DI PERAIRAN TELUK PALU Masyahoro, Masyahoro; Mappiratu, Mappiratu
MEDIA LITBANG SULTENG Vol 3, No 2 (2010)
Publisher : MEDIA LITBANG SULTENG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (242.274 KB)

Abstract

Penelitian tentang respon pertumbuhan pada berbagai kedalaman bibit dan umur panen  rumput laut bertujuan untuk mengetahui pengaruh kedalaman bibit dan umur panen terhadap pertumbuhan mutlak, produksi, dan produktivitas. Penelitian menggunakan metode bentangan tali ris apung berbentuk empat persegi panjang (18 x 18 meter) yang didesain dalam rancangan lingkungan acak lengkap pola faktorial dengan dua faktor, yaitu faktor kedalaman bibit  (K1 20 cm dan K2 50 cm) dan faktor umur panen (U1 40 hari, U2 45 hari, dan U3 50 hari) setelah tanam. Dengan demikian terdapat 6 kombinasi perlakuan dalam 3 ulangan tali ris, sehingga diperoleh 18 satuan unit percobaan. Hasil analisis ragam menunjukkan bahwa, kedua faktor tidak memberikan pengaruh nyata (P>0,05) terhadap  pertumbuhan mutlak dan produksi, tetapi berpengaruh sangat nyata (P<0,01) terhadap pruktivitas rumput laut. Namun demikian faktor interaksi berpengaruh sangat nyata (P<0,01) terhadap pertumbuhan mutlak dan berpengaruh nyata (P<0,05) terhadap produksi rumput laut. Bentuk interaksinya merupakan interaksi positif. Hasil uji BNT menunjukkan bahwa, kombinasi perlakuan K1U1 berbeda dan berinteraksi sangat nyata dengan K1U2 dan K1U3. Demikian halnya pada kombinasi perlakuan K2U1 dengan K2U2 dan K2U3, serta kombinasi perlakuan K2U2 dengan K2U3 terhadap pertumbuhan mutlak dengan nilai interaksi sebesar 34,44 g/hari. Selanjutnya kombinasi perlakuan  K1U1 berbeda dan berinteraksi nyata dengan K1U2 dan K1U3. Demikian halnya pada kombinasi perlakuan K2U3 dengan K2U1 dan K2U2, serta kombinasi perlakuan K2U1 dan K2U2 terhadap produksi dengan nilai interaksi sebesar 944,98 g.  
Estimation of Fishing Ground on Sea Surface Temperature Distribution and Cholophyll-a in The Waters of the Tolo Bay Kamsina, Kamsina; Masyahoro, Masyahoro; Laapo, Alimudin
Mitra Sains Vol 9 No 1 (2021): Maret
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/ms26866579.2021.v9.i1.pp62-70

Abstract

One of the major problem for fishermen of Tolo Bay water in optimizing the utilization of the fish resources is the difficulty in determining potential fishing grounds. The fishing area is very much determined by the distribution of oceanographic parameters, in particular the distribution of sea surface temperature and chlorophyll-a concentration. The aim of the reaserch is to estimate the fishing ground using integrated sea surface temperature and chlorophyll-a distribution image data from Aqua-Modis Level 3 Satellite and Seades 7.2. The Reseacrh was conducted using GIS-based Remote Sensing Method and Field Survey through in situ measurement (ground check) as validation data. Satellite image data in the form of sea surface temperature distribution and cholorophyll-a were analyzed using ArgGIS 10.2 software. Recorder sea surface temperature and cholorophyll-a image data were obtained from National Institute Of Aeronautics and Space (LAPAN) as well as data from observations at 10 station. The results of research on estimating potential fishing ground in the water of Tolo Bay based on the distribution of sea surface temperature and cholorophyll-a concertractions are integrated in the fishing ground zoning in July with nine coordinate points.
Estimasi Sumber Daya Ikan Cakalang (Katsuwonuspelamis) Dengan Metode Fox Berdasarkan Hasil Tangkapan Purse Seine Di Pelabuhan Perikanan Pantai Ogotua Kabupaten Toli-Toli Anai, Sunnerta; Masyahoro, Masyahoro; Sulistiawati, Dwi
Mitra Sains Vol 11 No 2 (2023): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/ms26866579.2023.v11.i2.pp122-129

Abstract

Fisheries Management Area (FMA) 716 Sulawesi Sea and FMA 713 Makassar Strait are known as fishing ground for economically important fish. The research purpose for skipjack tuna (K. pelamis 1758) resources in a sustainable manner in the Maximum Sustainable Yield (MSY) management regime dimensions, usingsurvey method through observation, measurement and direct interviews at Ogotua Beach Fishing Port. The results of the analysis for the Fox model with MSY, Eopt and TAC values of 650.16 tons, 3370 trips and 520.13 tons respectively.
Co-Authors Alimudin Laapo Anai, Sunnerta Dwi Sulistiawati Kamsina Kamsina, Kamsina Mappiratu Mappiratu