Chitra octavina Octavina

• Syiah Kuala University

Octopus is a commodity that has important economic value and high export value. Gugop Distric is one of the producers of octopus in the form of fresh products and processed products developed by Kube Mangat. It is said that the octopus species in Indonesia are dominated by Octopus cyanea , but there is no scientific certainty for the type of octopu...

Lingula anatina or baree as a living fossil has an important role for coastal ecosystems where its presence and density are rarely recorded in Aceh. The density of L. anatina was carried out in the beach of Ulee Lheue, Meuraxa District, Banda Aceh City. The purpose of this study is to provide information about the existence of L. anatina to the pub...

The aims of this research was to knew the prevalence, abundance and types of coral diseases detected in Peukan Bada Aceh Besar Regency. Method used in this research was a 20x2m belt transect with 3 replicates. Results show that the prevalence value was between 27,94% – 58,25%. The value was quite higher if compared with other prevalence on some pla...

Mangroves are plants that can live in tidal areas. The study aims to determine the condition of the mangrove ecosystem through a mangrove community structure approach in Lambadeuk Village, Peukan Bada District, Aceh Besar District. This research was conducted in November 2017 using the stratified sampling method. The results showed that there were...

This study aimed to determine the structure of invasive aquatic invertebrates through the approach, diversity, similarity, dominance, distribution, and comparison of invasive aquatic invertebrates with coral cover in coral reef ecosystems in PISISI KKPD. This research was conducted in September 2019 using the purposive sampling method to research p...

The spatio-temporal texture characteristics are key parameters for understanding the dynamics of the sedimentary environment. This study was conducted to determine the sediment characteristics in swash zone of Lhoong Beach, Aceh Besar Regency. The analysis emphasizes the seasonal variation of sediment mean grain size (MGS) based on vertical stratif...

Cijulang River is one of the leading ecotourism objects in Pangandaran, West Java Province, Indonesia. However, the river has a variety of activities that can increase the water pollution in the river such as Green Canyon cliffs tourism, ecotourism of mangrove conservation, housing, and industrial siting. Macrobenthos is one of the bio-indicators t...

Crassostrea gigas is a Pacific oyster that has the largest size among the other oysters. This oyster is most often found because of its ability to adapt to a variety of environments. Krueng Cut is an estuary area that gets a lot of nutrient input from sea water because it is directly adjacent to the ocean. This condition makes this area has a high...

The existence of megabenthos has an important role in maintaining sustainability of coral reef ecosystems and in the food web process. Megabenthos is also often used as an indicator of the health condition of coral reefs. The purpose of study was to analyze the biodiversity of megabenthos associated with coral reef in Tuan Island. This research was...

This study aimed to determine the population structure of Lingula sp. in the Aceh northern shore. This research uses purposive sampling method where the sampling locations at Ujong Pancu beach, Kuala Cangkoi beach, Syiah Kuala beach and Alue Naga beach. Sampling was carried out using a quadratic transect (1x1 m) with three stations at each location...

Kuala Gigieng is one of the estuary areas in Aceh Besar Regency. This research is about the analysis of chlorophyll-a and trophic status of Kuala Gigieng waters in the context of sustainable fisheries management. This research was conducted in April 2019 in the water of Kuala Gigieng. This study aims to determine the trophic status of the waters, t...

The purpose of this research is to determine the intensity and the prevalence of ectoparasites found in catfish biofloc aquaculture ponds and traditional catfish in Aceh Besar. The research was conducted at the Fish Quarantine Agency for Quality Control and Safety of Fishery Products (BPKIPM) Blang Bintang. This research used a descriptive method w...

This study aims to determine the condition of reef fish of the Chaetodontidae family in Krueng Raya and Ujong Pancu waters, Aceh Besar District. The study was conducted in October 2019, where six observation locations were representing the two regions. Fish observations were carried out using the Underwater Visual Census (UVC) method. The results o...

Lingula sp. is one of the genera of the Brachiopoda phylum that lives in the intertidal zone or areas that are affected by tides. The purpose of this study was to determine the population structure of Lingula sp. through the approach of population structure, density, distribution patterns, length and weight relationship and with physical and chemic...

Ekosistem lamun merupakan salah satu ekosistem yang penting dalam pengelolaan wilayah pesisir sehingga dibutuhkan kajian-kajian sebagai acuan pengelolaan. Penelitian ini bertujuan untuk memberikan informasi terbaru sebagai acuan informasi yang berguna dalam pengelolaan dan pengambilan kebijakan yang tepat terkait kelestarian ekosistem lamun di pera...

Coral reef ecosystems have a vital role in waters so that damage to coral reef ecosystems can reduce ecological and socio-economic functions that can impact environmental imbalances, such as reef fish and benthic communities. This study aims to determine the effect of transplant media on the growth rate of the genus Pocillopora coral and see whethe...

Ostrea edulis is one of the most common types of meat oysters and is commonly consumed by people in Kuala Gigieng, but until now there is not much scientific information about this species. The purpose of this study was to describe the ecomorphology of Ostrea edulis in Kuala Gigieng waters. This research was conducted from August to September 2013...

Tujuan penelitian ini adalah untuk mengetahui struktur komunitas makrozoobenthos di Perairan Kuala Gigeng dari tahun 2017 sampai 2019.Metode yang digunakan pada penelitian ini adalah metode purposive sampling. Hasil penelitian menunjukkan bahwa terdapat 2 kelas makrozoobenthos yaitu kelas Crustacea yang terdiri dari spesiesGrapsus albolineatus, Str...

Penelitian ini bertujuan untuk menentukan struktur komunitas plankton di Perairan Kuala Gigeng dari tahun 2017 sampai 2019. Penelitian ini menggunakan metode purposive sampling. Hasil penelitian menunjukkan bahwa terdapat 2 kelompok plankton yang ditemukan yaitu fitoplankton dan zooplankton. Kelompok fitoplankton terdiri dari kelas Bacillariophycea...

Mud crab ( Scylla sp.) is one of the aquatic resources that has high economic value so that the information on length-weight relationships is important for sustainable fisheries management. The objectives of this study were to determine the abundance of mud crab ( Scylla sp.), the sex ratio of mud crab ( Scylla sp.) and to analyze the length-weight...

This study aims to determine the biological community structure (plankton and macrozoobenthos) in the river from 2017 to 2019. This research method is purposive sampling. The results showed that there were five species of macrozoobenthos, namely Neritrodyas (2017), Polinices hepaticus , Telebra gulata , and Telebralia sulcate (2018), and Tronchus c...

Oyster ( Crassostrea sp.) is one of the potential bivalves that have big potency to increase Indonesian economic income. This study aimed to investigate the growth of oysters ( Crassostrea sp.) with different densities, and to determine the effect of different stocking densities on growth and survival in the submerged raft method in oyster aquacult...

The purpose of this study was to determine the growth pattern of Lingula sp. based on its morphometric analysis. The method used in this research is purposive sampling method. he results showed that the number of Lingula sp. less in the Ujong Pancu beach area (66 individuals) when compared to the Syiah Kuala beach area (169 individuals). Based on t...

Giant clams have an essential ecological role in the coral reef ecosystem. Given the decreasing number of giant clams in nature, the status of giant clams as protected animals, and there is still little information about giant clams, data or information is needed to make policies regarding giant clam conservation management. This study aimed to det...

Benthos are sensitive organism to water pollution, they can be used as a bioindicator to determine the health status of an estuarine ecosystem. Therefore, the purpose of the study is to identify the abuncance and diversity of benthic community in Krueng Cut estuary in Indonesia. The study used purposive sampling method by applying seven station sam...

Teluk Lamteng memiliki potensi ekosistem lamun yang sangat besar. Potensi lamun yang besar ini turut menyokong kelimpahan sumberdaya perikanan di daerah tersebut. Penelitian ini bertujuan untuk mengetahui keragaman lamun. Penelitian ini dilaksanakan pada bulan Desember 2018, dimana penentuan stasiun pengamatan menggunakan metode purposive sampling...

Research on analysis of sediments chemistry around the mangrove ecosystem of Lambadeuk village, Peukan Bada Subdistrict aimed to the analyze nutrient content of sediments around mangrove ecosystem which grows in Lambadeuk, Aceh Besar. The study was conducted in April 2018 - May 2019. Research stations were determined by using purposive random sampl...

The information of the density and distribution pattern of Lingulasp. in Aceh Shore is infrequently recorded. Since Lingulasp. has important roles in ecosystem, the study of species density of Lingulasp.and its distribution pattern was conducted in two sites of Aceh northern shore which were UjongPancu Beach and Syiah Kuala Beach. The aim of this s...

The investigation of bioactive compound from Indonesian marine sponge Petrosia sp. has been done on February 2019. The bioactive compound isolated based on bioassay-guide dseparation with several steps of chromatography. The bioactive compound known as C 16 H 25 NS determined by LCMS-ESI with molecular weight [M+H] + 263.42 m/z. The FTIR spectrumsh...

The purpose of this study was to determine the community structure of gastropods in the mangrove ecosystem in Pulo Sarok Village, Singkil District, Aceh Singkil Regency, Indonesia. This research was conducted in April 2018 located in the coastal mangrove ecosystem of Pulo Sarok Village, Singkil District, Aceh Singkil Regency. The purposive random s...

The investigation of the trophic status based on the nitrate-phosphate correlation and chlorophyll- a abundance in Deudap beach and Lhok Reudup beach, Pulau Nasi, Aceh were carried out in November 2018. Determination of sampling location based on purposive sampling method. The total nitrate, total phosphate concentration, and chlorophyll- a abundan...

The study of search the bioactive compound from Indonesian Marine Sponge Petrosia sp. has been conducted on February 2019. The bioactive compound isolated based on bioassay-guided separation with several steps of chromatography. The compound known as C 16 H 25 NS determined by lCmS-ESI with molecular weight [M+H]+263.42m/z. The FTIR data showed tha...

The purpose of this research was to determine the community structure of macrozoobenthos in the last three years (2017, 2018, and 2019) through analysis of diversity index, evenness index, dominance index, and density. The research was conducted On March 2017, April 2018, and March 2019 in the Lamnyong River. This research used purposive random sam...

Coal spill in Lampuuk waters in July 2018 had released some heavy metals into the waters in form of dissolved ions. They werethen partially absorbed in the bed and affected the fluvial sediments. The objective of the research was to analyse the heavy metals; Mn, Pb, Cu and Cd content in fluvial sediments affected by coal spill water in Lampuuk, Ace...

The research of identification about sea snake in Tuan Island Waters in Peukan Bada, Aceh Besar District has been conducted. This study aims to determine sea snakes species in Tuan Island Waters. The research was begun from April until July 2018. The method used in this study research is Time Swim Method with four station observation.Types of sea s...

The bioactive compound from the Indonesian Marine SpongeCallyspongia sp.isolated based on bioassay-guided separation with several steps of chromatography has been done. There are 4 major compound known as isocopalane diterpene derivatives together with a plausible new compound, isocopalanol, a polyoxygenated isocopalane diterpene. Isocopalanol has...

The bioactivity of Indonesian Marine Sponge Endectyon delaubenfelsi has been conducted on July 2018. The active metabolite based on bioassay guided-separation with several steps of chromatography. The FTIR spectrum shows that the active metabolite has N-H amine functional groups at 3434.6 cm⁻¹ C-H methyl was detected at 3090.46 cm⁻¹, and the finger...

This study aims to analyze the community structure of macrozoobenthos in the mangrove ecosystem of Gampong Gosong Telaga, Aceh Singkil. This study was conducted in May 2016. The method used in this research is survey method with purposive sampling carried out at 5 stations with 3 repetitions. There are seven species found were classified into 3 cla...

Isolation of active metabolite from Indonesian's Marine Sponge Spongionellapulchella has been conducted on July 2018. Active compound isolated based on bioassay-guided separation with several steps of chromatography. The rate of viability shows that IC50 = 0.2 μg / mL against PANC-1 cell. The active compound know as C28H51N2O2 determined by LCMS-ES...

The bioactivity from Indonesian's Marine Sponge Raspailia ramosa has been done on July 2018. Bioactive compound isolated based on bioassay-guided separation with several steps of chromatography. The active metabolite compound of Raspailia ramosa has cytotoxic activity against PANC-1 cell with IC50 = 10 µg / mL. Based on NMR spectrum shows that the...

Ostreidae is one of the important groups of mollusks found in the Kuala Gigieng estuary, Aceh Besar Dsitrict, Indonesia. This mollusk has been exploited intensively, resulting in a decrease of the wild population. The objective of the present study was to examine the length-weight relationship of the Ostreidae group in the Kuala Gigieng estuary. Th...

Tiram daging (Ostreidae) merupakan salah satu kerang yang memiliki nilai ekonomi penting bagi masyarakat Kuala Gigieng. Namun, kualitas dan kuantitas tiram menurun akibat eksploitasi dan pencemaran perairan. Penelitian ini bertujuan untuk menganalisis struktur populasi dan kondisi habitat tiram di perairan estuaria Kuala Gigieng Kabupaten Aceh Besa...