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JURNAL PESISIR DAN LAUT TROPIS
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Jurnal Pesisir dan Laut Tropis mewadahi kajian-kajian ilmiah dalam bidang bio-ekologi pesisir dan laut, hidro-oesanografi dan morfologi pesisir, toksikologi dan farmasitika, kajian substansi kimiawi biota dan perkembangan bioteknologi kelautan lainnya, di lingkup pesisir dan laut di daerah tropis. Kajian ilmiah dimaksud bisa berupa hasil penelitian maupun critical review. Jurnal ini terbit 3 (tiga) kali dalam satu tahun (Februari, Juni, September). Diterbitkan oleh Program Studi Ilmu Kelautan FPIK-UNSRAT
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Articles 324 Documents
NEMATOSIT KARANG Montipora undata (SCLERACTINIA) DARI PANTAI MALALAYANG TELUK MANADO Priskila S Kodoati; Carolus P Paruntu
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 3 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36091

Abstract

The aim of this study was to know the nematocysts composition of Montipora undata (Scleractinia) which was collected in the Malalayang coastal coral reef, Manado Bay. This research was conducted for three months, from October to December 2020.  Observation of nematocysts was done under an Olympus CX41 microscope with a magnification of x100 objective lens connected to a computer equipped with the application of Optica view 7 at the Laboratory of Fish Health, Environment and Toxicology, Faculty of Fisheries and Marine Sciences, UNSRAT.  The results showed that  M. undata had the main nematocyst composition, namely microbasic b-mastigophore (MbM) of 60.0 %, small microbasic p-mastigophore type II (sMpM-II) 26.67 %, small holotrichous isorhiza (sHI) 6 ,67 %, large holotrichous isorhiza (lHI) 4.44 %, and large microbasic p-mastigophore type II (lMpM-II) 2.22 %.  MbM is the dominant type of nematocyst for this coral species.  Further studies are suggested to investigate the function of MbM and morphology of nematocysts of various types of corals in the genus Montipora.Keywords: Composition, Manado Bay, Montipora undata, nematocyst, Scleractinia
AKTIVITAS SITOTOKSIK EKSTRAK KARANG LUNAK Xenia sp. DARI TELUK MANADO, PROVINSI SULAWESI UTARA Juniarti S Datula’bi; Robert A Bara; Fitje Losung; Remy EP Mangindaan; Ping A Angmalisang; Rose OSE Mantiri
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 3 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36523

Abstract

Bioactive compounds from the sea which are generally in the form of secondary metabolites have the potential to be developed as medicinal ingredients. Marine life can be used as an object of research and development, considering the many benefits that can be taken from the secondary metabolite compounds contained in it, especially compounds that have bioactivity. Soft corals are marine biota that have bioactivity, extracts from sost coral contain bioactive compounds that have cytotoxic, anti-tumor, anti-viral, anti-inflammatory, anti-fungal, anti-leukemic, and enzyme activity inhibitory properties. Some of the research results show that marine soft corals have a variety of structures and biological activities including antioxidant substances. Soft corals were extracted by maceration method and then evaporated. The cytotoxic activity of soft coral extract was tested using the BLSA method and then analyzed the data to find the concentration of mortality (LC50). The purpose of this study was to test the cytotoxic activity of soft coral Xenia sp. The results of this study were testing the cytotoxic activity of the sample Xenia sp., amounting to 20.89 ppm, and having strong toxic properties. Key words: BLSA, Soft coral Xenia sp., LC50, Cytotoxic
KEANEKARAGAMAN DAN KELIMPAHAN FILUM ECHINODERMATA PADA ZONA INTERTIDAL MOLAS KECAMATAN BUNAKEN KOTA MANADO Novia A Jambo; Erly Y Kaligis; Deslie RH Kumampung; Suria Darwisito; Joshian NW Schaduw; Silvester B Pratasik
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 2 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.2.2021.35771

Abstract

Echinoderms are one of the main components of marine biodiversity that play an important role in ecosystem function. The purpose of this study to determine the diversity, abudance,dominance, frequency and important value index of the phylum Echinoderm.The method use in this research was cruising method and the quadratic transect method. The results of this study on intertidal zone of Molas obtained as a whole includes four classes, namely Asteroidea, Echinoidea, Ophiuroidea and Holothuroidea with a total of 12 species. Based on data analysis used the quadratic transect method, it was obtained: at station I H' = 1.666, the highest species abundance index is Protoreaster nodosus at 1.133 ind/m2 and relative at 40.48%, C = 0.245 and the highest relative dominance of P. nodusus was 66.90%, the highest species frequency index is P. nodusus of 0.467 and a relative of 33.33% and the highest important value index is P. nodusus of 140.71% while at station II it is obtained H' = 1,384, The highest species abundance index is Diadema setosum at 3.067 ind/m2 and relative 55.42%, C = 0.359 and the highest relative dominance is D. setosum at 85.63%, the highest species frequency index is P. nodusus at 0.4 and relative at 27. 27% and the highest important value index of D. setosum was 159.23%.Keywords: Echinoderms, Diversity, Abundance, Dominance, Frequency, Important Value Index
STRUKTUR KOMUNITAS IKAN TARGET DI EKOSISTEM TERUMBU KARANG PADA ZONA TRADISIONAL PULAU BUNAKEN, TAMAN NASIONAL BNAKEN Meilisa Mandolang; Janny D Kusen; Veibe Warouw; James H Paulus; Unstain NWJ Rember
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 3 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36713

Abstract

This study aims to determine the structure of the target fish community, including species composition, type of research and to analyze the ecological index in which the diversity index, uniformity index, dominance index, and community similarity index. Data collection was carried out in coral reef ecosystems in the traditional zones of Madolin, Alung Banua, Sachiko, Muka Kampung, and East Bunaken areas, all data collection areas were included in the Bunaken National Park area. Data was taken using the Underwater Visual Census method, also equipped with a documentation search for underwater photography and videography carried out at the Marine Biology laboratory, Faculty of Fisheries and Marine Sciences, UNSRAT. There are 3 families, 21 species and 130 individuals at the Madolin area, 5 families, 24 species, and 72 individuals at the Alung Banua area, 5 families, 23 species, and 77 individuals at the Sachiko area, 2 families, 11 species and 129 individuals at the Sachiko area. Muka Kampung, and 4 families, 18 species, and 160 individuals at the East Bunaken location. The calculated ecological index values obtained are H' 2.11 (Madolin), 2.90 (Alung Banua), 2.65 (Sachiko), 1.57 (Muka Kampung), 1.67 (East Bunaken) indicating the ecological condition of the ecosystem. coral reefs are still stable even though diversity is classified as moderate but inversely proportional to low dominance ranging from 0.07 to 0.33 on average. The results of the community similarity analysis using the Sorense index (<50%) showed that there was no similarity in reef fish communities between the 4 stations, namely (Madolin & Alung Banua), (Madolin & Muka Kampung), and (Muka Kampung & East Bunaken). Keywords : target fish community, diversity, dominance, community similarity 
TOKSISITAS EKSTRAK KARANG LUNAK Cespitularia sp. DARI TELUK MANADO PROVINSI SULAWESI UTARA Marsitasari Tandiongan; Robert A Bara
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 3 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36452

Abstract

Secondary metabolites produced by marine organisms commonly have unique chemical structures and very interesting pharmacological activities. Marine organisms that have the most chemical conent are produced by marine invertebrates, followed by marine plants. Groups that include marine invertebrates include: sponges, bryozoans, cnidarians and tunicates. Soft coral, which is one of the marine invertebrates, has biological activities, such as antifungal, cytotoxic, antineoplastic, antimicrobial, HIV inhibitor and anti-inflammatory. This study aims to determine the  value of the soft coral extract Cespitularia sp. taken from Manado Bay by the Brine Shrimp Lethality Assay (BSLA) method. This toxicity test was carried out quantitatively by analyzing data based on the number of deaths caused by the test extract of Artemia sp. The results obtained based on data analysis namely the value of the soft coral extract Cespitularia sp. is 53.27 ppm, this means that the extract can be developed as an anticancer drug candidate due to below below to 1000 ppm. Soft coral Cespitularia sp. categorized as toxic based on the Meyer classification or moderately toxic based on the Tanamatayarat classification and very toxic based on the Clarkson classification.Keywords: Soft coral; Cespitularia sp.; Toxicity;
BAKTERI RESISTEN MERKURI PADA ALGA COKLAT Padina australis DARI PERAIRAN KIMA BAJO SULAWESI UTARA Sri Winisari Van Gobel; Desy MH Mantiri; James JH Paulus; Rizald Max Rompas; Natalie D Rumampuk; Sammy Londong
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 3 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36522

Abstract

Alga laut jenis Padina australis merupakan spesies alga coklat divisi Phaeophyta (alga cokelat) yang umumnya tersebar di perairan laut. Spesies ini mampu bertahan hidup di perairan yang mempunyai kualitas air rendah. Tujuan penelitian ini adalah untuk mengisolasi bakteri resisten merkuri pada alga P. australis, mengetahui bentuk sel dan karakteristik bakteri. Metode yang digunakan adalah isolasi bakteri secara konvensional dan diuji pada senyawa merkuri klorida (HgCl2.) Hasil uji morfologi bakteri dari alga P. australis adalah Gram positif berbentuk monobasil dan streptobasil serta mempunyai kemampuan resisten terhadap merkuri pada konsentrasi 250, 500 dan 1000 ppm. Uji antibiotik dari bakteri resisten merkuri tersebut dilakukan terhadap antibiotik amoxicillin, cefixime dan doxycycline. Hasil menunjukan bahwa antibiotik amoxicillin mempunyai zona hambat 0,4 mm, antibiotik cefixime dengan zona hambat 0,1 mm. dan doxycycline mempunyai zona hambat tertinggi yaitu 1,8 mm, terlihat bahwa bakteri dapat mengurangi efektifitas suatu obat. Kata Kunci : Alga coklat, bakteri Gram positif, bakteri resisten merkuri, antibiotik
KOMPOSISI TIPE NEMATOSIT KARANG SCLERACTINIA, Pocillopora sp. DARI TERUMBU KARANG PANTAI TONTAYUO, BATUDAA PANTAI, GORONTALO Ajrin Y Nusi; Carolus Paulus Paruntu; Antonius P Rumengan; Farnis B Boneka; Noldy G F Mamangkey; Laurentius Th X Lalamentik
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 3 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36067

Abstract

The objective of this present study is to know the composition of nematocyst types from the coral Scleractinia, Pocillopora sp. The coral colonies of Pocillopora sp. were collected at Tontayuo coastal coral reefs, Batudaa Pantai, Gorontalo. This research was conducted for 3 months, from September-December 2020. The method of testing the type and composition of nematocysts was carried out using an Olympus CX41 type microscope with x100 objective lens magnification connected to a computer ST24 monitor equipped with optical view 7 application (software). Photos of Pocillopora sp. both alive and skeleton form are documented in this journal. The results of the current study showed that Pocillopora sp. has the types and composition of MpM of 91.49%, while HI is 8.51%. MpM is the dominant nematocyst in Pocillopora sp. Future research is recommended to identify this coral at the species level and to study more deeply the various coral species in the genus Pocillopora based on the types and morphology of nematocysts that are useful in the taxonomy of Scleractinia corals.Keywords: Gorontalo, HI, MpM, nematocyst, Pocillopora sp., Scleractinian coral
STRUKTUR KOMUNITAS MANGROVE GAMLAMO, KECAMATAN JAILOLO, HALMAHERA BARAT, PROVINSI MALUKU UTARA Franco Grenaldy Gabi; Calvyn F A Sondak
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 3 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36489

Abstract

Mangrove is one of coastal plants that have many benefits both to the environment and society. Mangroves can be found growalong the coast and influenced by tides. This research conducted in Gamlamo Village, Jailolo Sub-district, West Halmahera Regency, North Maluku Province. The purposes of this study were to determine the mangrove community structure and identify mangroves species in Gamlamo Village. The method used in this research was line transect method. There are 3 stations established onthis research area and each station has two line transects, so the total line transect are six. Moreover, within each line transect five quadrants (10 x 10 cm2) were laid. This study found that at three stations in the research area, there were three mangrove species Rhizophora mucronata, Sonneratia alba and Bruguiera gymnorrhiza. The highest density value was found at station 2 of R. mucronata 0,36 ind/m2 and the relative density value was 60%. The highest frequency was found at station 2, belong to R. mucronata 1 ind/m2 and the relative value was 41,67%. The highest dominance wasfound at station 1 of S. alba 52,89 m2 and dominance relative 53,31%. For the highest important value index was at station 2, of R. mucronata with a value of 136,57% and the found at station 3 B. gymnnorrhiza. The highest diversity index (H’) 1,03 was found at station 1 while the lowest 0,95 was at station 2.Keywords: Gamlamo Village, Mangrove, Community Structure
POTENSI BIOAKTIVITAS ANTI JAMUR DAN ANTI-UV DARI ISOLAT JAMUR SIMBION PADA ASCIDIA Eudistoma sp Enjelika Polimba Sahuma; Deiske A Sumilat; Veibe Warow; Fitje Losung; Esther D Angkouw; Okstan Kalesaran
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 3 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36661

Abstract

Ascidia Eudistoma sp. produce bioactive compounds that can inhibit the growth of microorganisms. Ascidians are also known for their potential secondary metabolites in the biomedical world. This study aimed to obtain isolates of the ascidia symbiont Eudistoma sp., determine the antifungal activity against the test fungus Candida albicans, and determine the anti-UV activity of the symbiont Eudistoma sp. The ascidia symbiont fungus was extracted using maceration method with ethyl acetate solvent and tested for antifungal activity using the test fungus Candida albicans. The antifungal activity test results showed that the diameter of the AFBN 5b inhibition zone of 9 mm. The symbiont fungus can be said to have potential as an antifungal drug.  Testing the anti-UV activity of fungi in symbiosis with ascidia Eudistoma sp. using a spectrophotometer showed that the extract sample of the ascida symbiont fungus could produce an absorption at UV-B (λ 290–320 nm) of 3.8 absorbance and when compared to UV-A (λ 370–400 nm) an absorption value of 0.38 was obtained and is still classified as moderate Keywords: Ascidia, Eudistoma sp., symbionts, Antifungal and Anti-UV
KOMPOSISI NEMATOSIT KARANG FUNGIA, Cycloseris vaugani DARI TERUMBU KARANG PANTAI MALALAYANG, MANADO Adelin M Sagrang; Carolus P Paruntu; Billy Theodorus Wagey; Kakaskasen A Roeroe; Medy Ompi; Adnan Wantasen
JURNAL PESISIR DAN LAUT TROPIS Vol. 9 No. 3 (2021): JURNAL PESISIR DAN LAUT TROPIS
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jplt.9.3.2021.36068

Abstract

The purpose of this study was to determine the composition of nematocysts in the body tissue of the coral fungia, C. vaugani.  The location for the collection of C. vaugani colonies was on the coral reefs of the Malalayang coastal area, Manado. This research was carried out in September - December 2020. The observation of nematocysts of C. vaugani was carried out using an Olympus CX41 microscope with a magnification of x100 objective lens which connected to a computer monitor equipped with an optical view 7 application at the Fish Health Environment and Toxicology Laboratory, Faculty of Fisheries and Marine Science, UNSRAT.  The present results showed that C. vaugani had a composition of nematocysts, namely type I microbasic p-mastigophore (MpM-I) of 40.00%, small type II microbasic p-mastigophore (sMpM-II) of 31.11%, small holotrichous isorhizas (sHI) of 24.44 %, large type II microbasic p-mastigophore (lMpM-II) of 2.22%, and large holotrichous isorhizas (IHI) of 2.22%.  sMpM-II is the most dominant nematocyst type of C. vaugani and this type of nematocyst is thought to be used by coral for aggression and killing prey or predator if there is disturbance from the surrounding aquatic environment where the coral lives.  Further research is recommended to study the types and morphology of nematocyst from various species of coral fungia, including C. vaugani to understand the differences in their types and dimension of the nematocyst. Keywords: Composition, Cycloseris vaugani, Fungia, Manado, nematosit

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