33 articles in this issue
Abrianto A. O. Rompis,Fitje Losung,Deiske A. Sumilat,Agung B. Windarto,Stenly Wullur,Laurentius T. X. Lalamentik
The sponge is one of the sea organisms that has a prospect as a source of natural compounds including peptides, steroids, asetogenin, terpenoids, alkaloids, cyclic halide and nitrogen. This research was directed to obtain several species of sponges from t... see more
Marselo R. Manzanaris,Ari B. Rondonuwu,Silvester B. Pratasik
This study aims to provide information about coral reefs condition in Poopoh waters and as input For related stakeholders for future coral reef management and conservation. Data sampling employed SCUBA gear with Line Intercept Transect (LIT) at 3 M and 10... see more
Mizhael A.P. Wulur,Khrsitin I. F. Kondoy,Jety K. Rangan
Seagrass is a marine plant that has roots with a rhizom system, the structure of the stem and leaves can be clearly distinguished. Halophila ovalis belongs to the Hydrocharitaceae family and common characteristics of this family include two branched leave... see more
Yulianti Umar,Fransine B. Manginsela,Ruddy D. Moningkey
The aim of this research is to know the distribution of the size of Decapterus muroadsi, to describe otolit that is otolith length (Po), width otolith (Lo), perimeter / otolith circumference (Ko), otolith area (Ao), and determine the relationship of total... see more
Rinaldi Kuhu,Rose O.S.E Mantiri,John L. Tombokan
The purpose of this study was to determine the relationship between the length of weight, the growth patterns and the biological conditions of freshwater crayfish, Cherax quadricarinatus, in two different locations namely river and lake. Sampling in... see more
Aditya Sasamu,Winda M. Mingkid,Revol D. Monijung
The purpose of this study was to identify the morphometric characters of mangrove crabs Scylla spp. and to grow them on the island of Para Sangihe Islands Regency, North Sulawesi Province. There were 2 types of crabs found during crab’s collection. Howeve... see more
Rama Presley Kambey,Rose O.S.E. Mantiri,Markus T. Lasut
Aims of this study is to determine the ability of marble goby to prey other fish and other marble goby in Tondano Lake. This research was conducted in August 2017 to December 2017. Measure of aquarium used as container is 120 cm x 40 cm x 40 cm which was ... see more
Maartianus S. Baroleh,Achmad Fahrudin,Rokhmin Dahuri,Setyo Budi Susilo,Daniel Monintja
There are several methods of analysis in knowing the vulnerability of a community. In the analysis to determine the vulnerability of Miangas island, the determinant vulnerability was used. Determinant vulnerability evaluation is very easy to use and simpl... see more
Ari B. Rondonuwu,Ruddy Dj. Moningkey,John L. Tombokan
The aims of this study, 1). To find out the number of species and the abundance of coral fishes; 2). To find out the biomasssa of target fish in carnivorous and herbivorous groups. Data collection was carried out at 5 meters depth using the Underwater Vis... see more
Frani Mare,Ferdinand F. Tilaar,Laurentius Th. X. Lalamentik
This research was carried out in the coastal waters of Ratatotok Village with the purpose of: 1. Knowing the condition of aquatic environment at research location. 2. Identify seagrass species from Ratatotok waters. 3. To determine the composition o... see more
Inggrid M. F Akerina,Silvester B. Pratasik,Nego E. Bataragoa
This study was aimed to find out the size distribution of scad (Decapterus spp) caught by Likupang fishermen and to find out theirgrowth patterns. Fish samples were collected by traditional purse seine fishermen in Likupang waters. Total catches were 139 ... see more
Keren Wulan Lumi,Unstain N. W. J. Rembet,Suria Darwisito
This study aimed to know several water quality conditions for trevally culture, determine the culture area suitability, and inform the financial benefit of the trevally culture activity in floating net system. Determination of the trevally culture was bas... see more
Irwan Baino,Rene Charles Kepel,Gaspar Duhar Manu
This study was carried out in coastal waters of Bahoi Village, West Likupang Sub-District, North Minahasa Regency with an objective of knowing the taxa composition of macroalgae through morphological studies. Data collection used exploring survey. Results... see more
Ella Maria Tudang,Unstain N. W. J. Rembet,Adnan S Wantasen
This research was carried out in Badi Island waters on Mattiro Deceng Village, Pangkajenne Kepulauan Regency, South Sulawesi. The aims of this study are to know the ecological conditions of the coral reef ecosystem at; and to calculate the economic ... see more
. Reskiwati,Laurentius Th. X. Lalamentik,Unstain N.W.J. Rembet
Six species of Favia were found in this study i.e, Favia pallida (Dana, 1846), Favia speciosa (Dana, 1846), Favia favus (Forskål, 1775), Favia truncatus (Veron, 2000), Favia rotundata (Veron and Pichon, 1977) and Favia matthaii (Vaughan, 1918). The specie... see more
Hatopan G. Napitupulu,Inneke F. M. Rumengan,Stenlly Wullur,Elvy L. Ginting,Joice R. T. S. L. Rimper,Boyke H. Toloh
The research was conducted at the Laboratory of Marine Molecular Biology and Pharmacy, Faculty of Fisheries and Marine Sciences, Sam Ratulangi University. This research aims to isolate and analyze the morphology and molecular types of bacteria associated ... see more
Kevin J. P. Antou,Ari B. Rondonuwu,Ruddy D. Moningkey
60 coral specimens transplanted on three artificial substrates, namely bamboo, iron and concrete showed that the average length of coral fragments on the bamboo substrate for four months ranged from (7.45 - 10.11 cm) the highest increase in the highest co... see more
Trifany Zachawerus,Khristin I. F. Kondoy,Jety K. Rangan
This study was aimed at knowing seagrass species in the study site and comparing the morphometry of seagrass Thalassia hemprichii with sampling station. Sample collection employed haphazard survey, and samples and substrate were taken using a big knife, w... see more
Billy N. Ompi,Unstain N.W.J. Rembet,Ari B. Rondonuwu
This research objective was to determine the condition of Coral Reef ecosystems in Dakokayu and Hogow Islands, Southeast Minahasa Regency. The method that has been used in this studies that is Line Intercept Transect (LIT) by diving activities at 5 meter ... see more
Rivany Turang,Victor N. R. Watung,Anneke V. Lohoo
The purpose of this study was to determine the size stucture, growth pattern, and relative conditions of rabbitfish (Siganus canaliculatus). Sampling was randomly done from the catches of fishermen in fesh condition. The number of fish samples taken for a... see more
Rizaldy A. Rangian,Ruddy D. Moningkey,Nego E. Bataragoa
The purpose of this study was to determine the diversity and size variation of fish caught in the Poigar River Estuary. Sampling was carried out on tide and low tide in the New Moon and Full Moon phases using beach trawl. The catch gets 42 species, 2,726 ... see more
Kristanto R. Lumi,Victor N. R. Watung,Nego E. Bataragoa
The aims of this study are determine the composition of the length and abundance of glass eel Anguilla spp that migrates at the mouth of the Poigar River. Sampling is done every month for four months in the new moon phase. Sampling site on one side ... see more
Letha L. Wantania,Stenly Wullur,Elvi L. Ginting,Desy M. H. Mantiri,Suzanne L. Undap,Deiske A. Sumilat,Grevo S. Gerung
This study aims to obtain isolates and amplify the associative bacterial 16SrRNA gene in K. alvarezii algae. The K. alvarezii algae was collected from seaweed cultivation area in Belang, Southeast Minahasa, North Sulawesi. Associative bacteria were sample... see more
. Nasprianto,Desy M.H. Mantiri,Grevo S Gerung
Heavy metals in the water and sediment, in spite of low concentration, will not degrade and even can be absorbed and biologically accumulated by marine algae. This study was aimed to analyze the heavy metal concentrations in the seawater, sediment, ... see more
jeane T Sumaraw,Henky Manoppo,Reiny A. Tumbol,I.F.M Rumengan,Henny A. Dien,Deiske A. Sumilat
The objective of this research was to obtain probiotic bacteria isolated from the digestive tract of catfish Clarias batracus, to evaluate its effect on growth performances and survival rate of carp. After purified, the bacteria was identified through bio... see more
Merlyn D. Manurung,Reiny A. Tumbol,Henneke D. Pangkey,Deiske A. Sumilat,Remy E. P. Mangindaan
This study aims to examine the effect of sponge crude extract addition to the fish feed on growth and non-specific immune response of nile tilapia (O. niloticus) and determine the most effective dose of the extract in raising the growth and the non-specif... see more
Pitjont Tomatala,Petrus P. Letsoin,Evangelin M.Y. Kadmaer
Sandfish (Holothurai scabra) and seaweed Gracilaria sp are marine commodities that have economic value and have good prospects in the market. These two commodities, if rearing together, will certainly provide added value to farmers. This research aims to ... see more
Mega D. Dalero,Grevo S. Gerung,Edwin L.A. Ngangi,Lawrence J.L. Lumingas,Markus T. Lasut
This study aims at obtaining a sustainably superior seed stock following the characteristics of the parent plant, determining the best formulation of the growth stimulating substance. In general, cytokinin and auxin combination was used, but this study al... see more
Elroi Nity,Suria Darwisito,Joshian N.W. Schaduw,Adnan S. Wantasen,Deiske A. Sumilat,Hens Onibala
This study aims to know the percent cover of mangrove and to assess the community structure. It was carried out in Gamtala village, Jailolo district, and west Halmahera regency, using line transect method with 10x10 m plot.. Data analysis covered the comm... see more
Ronald S. A. Posundu,Rene Ch. Kepel,Stephanus V. Mandagi,Flora P. Kalalo,Carolus P. Paruntu,Winda M. Mingkit,Farnis B. Boneka
Four urban villages in the administrative area of Tuminting District, i.e. Sindulang Satu, Sindulang Dua, Bitung Karangria and Maasing based on North Sulawesi Provincial Regulation Number 1 of 2017 concerning Coastal Zone Zoning Plans and Small Islands (R... see more
Rusdiyanto Husuna,Adnan S. Wantasen,Ari B. Rondonuwu
This study aims to know the community structure of mangrove and the environmental condition in South Tabulo coast. Mean temperature at station 1, 2, and 3 was 310C, and water salinity varied between 28-30 ‰. Water pH was averagely 7 in all stations. Subst... see more
Silvia A. Bangun,Joudy R.R. Sangari,Frans F. Tilaar,Silvester B. Pratasik,Meiske S. Salaki,Wilmy Pelle
Indonesia is referred to as the second largest contributor of marine plastic waste in the world after China, with an estimated 0.48-1.29 million metric tons per year (Jambeck et al, 2015). The main problem today is the lack of information about pollution ... see more
Deiske A. Sumilat
The marine sponge collected from tropical coral reefs in Manado North Sulawesi Indonesia was screened for antimicrobial activities. In the screening program to search for antituberculotic inhibitors, the result found that the ethanol extract ODS fractions... see more