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All Journal Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Jurnal Ilmu Kelautan Spermonde
Shinta Werorilangi, Shinta
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences

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Komposisi Jenis dan Kepadatan Sponge (Porifera: Demospongiae) di Kepulauan Spermonde Kota Makassar Haris, Abdul; Werorilangi, Shinta; Gosalam, Sulaiman; Mas’ud, Andry
Journal of Biota Biota Volume 19 Nomor 1 Tahun 2014
Publisher : PBI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (241.054 KB)

Abstract

AbstractSponge is one of the components on the coastal and marine ecosystems, especially coral reefs and seagrass beds. Climate change and environmental conditions can affect the life of the sponge. The study is conducted to determine the distribution of the composition and density of sponge using belt transects (transect quadrant) with a size of 5x5 m, then count the number of each type of sponge contained in the transect. Study site divided into three (3) zones indicating different conditions of eutrophication. A total of 49 species were identified from 16 families of 8 orders. Composition and density of the sponge in inner zone as many as 11 families with a density of 0.96 ind/m2, and lower compared to the composition and density in the middle zone and outer zone. This is related to the difference in environmental conditions of the three zones based on eutrophication conditions.Keywords: Sponge, species composition, density, spermondeAbstrakSponge merupakan salah satu penyusun pada ekosistem pesisir dan laut, terutama pada ekosistem terumbu karang dan padang lamun. Perubahan iklim dan kondisi lingkungan dapat mempengaruhi kehidupan dari sponge. Maka dilakukan penelitian untuk mengetahui sebaran komposisi dan kepadatan sponge menggunakan metode transek belt (transek kuadran) dengan ukuran 5x5 m, kemudian menghitung jumlah dari setiap jenis sponge yang terdapat dalam transek. Lokasi penelitian terbagi atas 3 (tiga) zona eutrofikasi yang menunjukkan kondisi eutrofikasi yang berbeda. Sebanyak 49 spesies yang teridentifikasi berasal dari 16 famili 8 ordo. Komposisi dan Kepadatan sponge pada zona dalam sebanyak 11 famili dengan kepadatan 0,96 ind/m2,, lebih rendah dibandingkan dengan komposisi dan kepadatan pada zona tengah dan zona luar. Hal tersebut terkait dengan adanya perbedaan kondisi lingkungan dari ketiga zona yang terbagi berdasarkan kondisi eutrofikasi tersebut.Kata kunci: Sponge, komposisi jenis, kepadatan, spermonde
ACUTE TOXICITY OF CADMIUM (Cd) TO VELIGER LARVAE OF FLUTED GIANT CLAM (Tridacna squamosa LAMARCK, 1819) Werorilangi, Shinta; Afdal, Muh.; Niartiningsih, Andi; Yusuf, Syafyuddin; Massiani, Arniati; Rastina, Rastina
Jurnal Ilmu Kelautan SPERMONDE Vol 4, No 2 (2018)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jiks.v4i2.7067

Abstract

Clams have a planktonic period which is sensitive to metal pollutants in the waters. The natural concentration of cadmium (Cd) is relatively low in marine waters but may increase with increasing anthropogenic activity on land that may be lethal to organisms, especially in the sensitive larval stages. The purpose of this study was to analyze the values of 24h-LC50, NOEC (No Observed Effect Concentration), LOEC (Lowest Observed Effect Concentration) and MATC (Maximum Acceptable Toxicant Concentration) along with the impact of acute Cd toxicity on mortality and morphological changes of Tridacna squamosa veliger. The toxicity test used was an acute toxicity test with a static method (4 replications). Acute toxicity tests were performed on veliger phase larvae with short-term exposure (24 hours) on various Cd concentrations ie., 0.1 mg/L, 1 mg/L, 2.5 mg/L, 5 mg/L and 10 mg/L . The 24h-LC50 value was calculated using the Trimmed Spearman-Karber application version 4.1, and the LOEC and NOEC values were analyzed using the Dunnet test. Results showed that the 24h-LC50 value of Cd applied to Tridacna squamosa veliger was 2.12 mg/L, whereas the NOEC, LOEC, and MATC values were 1 mg/L, 2.5 mg/L, 1.581 mg/L respectively.  Mortalities were observed with increasing Cd concentrations. It was also shown a decreasing number of zooxanthellae, damaged in mantle tissue and shells, changes in shell color, released of mantle tissue from the shell with increasing Cd concentrations.
Komposisi Jenis dan Kepadatan Sponge (Porifera: Demospongiae) di Kepulauan Spermonde Kota Makassar Haris, Abdul; Werorilangi, Shinta; Gosalam, Sulaiman; Mas’ud, Andry
Biota : Jurnal Ilmiah Ilmu-Ilmu Hayati Vol 19, No 1 (2014): February 2014
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (241.054 KB) | DOI: 10.24002/biota.v19i1.453

Abstract

AbstractSponge is one of the components on the coastal and marine ecosystems, especially coral reefs and seagrass beds. Climate change and environmental conditions can affect the life of the sponge. The study is conducted to determine the distribution of the composition and density of sponge using belt transects (transect quadrant) with a size of 5x5 m, then count the number of each type of sponge contained in the transect. Study site divided into three (3) zones indicating different conditions of eutrophication. A total of 49 species were identified from 16 families of 8 orders. Composition and density of the sponge in inner zone as many as 11 families with a density of 0.96 ind/m2, and lower compared to the composition and density in the middle zone and outer zone. This is related to the difference in environmental conditions of the three zones based on eutrophication conditions.Keywords: Sponge, species composition, density, spermondeAbstrakSponge merupakan salah satu penyusun pada ekosistem pesisir dan laut, terutama pada ekosistem terumbu karang dan padang lamun. Perubahan iklim dan kondisi lingkungan dapat mempengaruhi kehidupan dari sponge. Maka dilakukan penelitian untuk mengetahui sebaran komposisi dan kepadatan sponge menggunakan metode transek belt (transek kuadran) dengan ukuran 5x5 m, kemudian menghitung jumlah dari setiap jenis sponge yang terdapat dalam transek. Lokasi penelitian terbagi atas 3 (tiga) zona eutrofikasi yang menunjukkan kondisi eutrofikasi yang berbeda. Sebanyak 49 spesies yang teridentifikasi berasal dari 16 famili 8 ordo. Komposisi dan Kepadatan sponge pada zona dalam sebanyak 11 famili dengan kepadatan 0,96 ind/m2,, lebih rendah dibandingkan dengan komposisi dan kepadatan pada zona tengah dan zona luar. Hal tersebut terkait dengan adanya perbedaan kondisi lingkungan dari ketiga zona yang terbagi berdasarkan kondisi eutrofikasi tersebut.Kata kunci: Sponge, komposisi jenis, kepadatan, spermonde
Co-Authors Abdul Haris Akbar Tahir, Akbar Andi Niartiningsih Andry Mas’ud, Andry Arniati Massinai, Arniati Isman, Fajar Mulana Mas’ud, Andry Massiani, Arniati Muhammad Afdal Rastina, Rastina Sulaiman Gosalam, Sulaiman Yusuf, Syafyuddin Zulkarnaen, Adi