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"There is an information how to identify hydrocarbon degrading bacteria for bioremediation of marine oil spill. We have Bioremediation treatment for degradation of oil spill on Pari island and need two kind of experiment there are tanks experiment (sampling 0 to 90 days) and semi enclosed system (sampling 0 to 150 days). Biostimulation with nutrients (N and P) was done to analyze biodegradation of hydrocarbon compounds. Experiment design using fertilizer Super IB and Linstar will stimulate bacteria can degrade oil, n-alkane, and alkane as poly aromatic hydrocarbon. The bacteria communities were monitored and analyzed by Denaturing Gradient Gel Electrophoresis (DGGE) and Clone Library; oil chemistry was analyzed by Gas Chromatography Mass Spectrometry (GCMS). DNA (deoxyribonucleic acid) was extracted from colonies of bacteria and sequence determination of the 16S rDNA was amplified by primers U515f and U1492r. Strains had been sequence and had similarity about 90-99% to their closest taxa by homology Blast search and few of them suspected as new species. The results showed that fertilizers gave a significant effect on alkane, PAH and oil degradation in tanks experiment but not in the field test. Dominant of the specific bacteria on this experiment were Alcanivorax, Marinobacter and Prosthecochloris."

"Pulau Pari termasuk ke dalam pulau kecil yang memiliki kerentanan dan risiko yang tinggi karena keterbatasan sumber daya dan daya dukung yang ada. Oleh karena itu, ekosistem mangrove memiliki peranan penting dalam menjaga kestabilan lingkungan di Pulau Pari. Penelitian ini bertujuan untuk memetakan distribusi spasial kualitas perairan dan tingkat kerapatan vegetasi di ekosistem mangrove serta merumuskan kualitas lingkungan ekosistem mangrove di Pulau Pari. Variabel yang digunakan yaitu kerapatan vegetasi dan kualitas perairan dengan parameter suhu, pH, salinitas, dan TSS perairan. Tingkat kerapatan mangrove diperoleh dari citra sentinel 2-A tahun 2024. Kualitas perairan diperoleh dari data lapangan yaitu suhu, pH, dan salinitas dengan metode IDW serta penggunaan algoritma citra sentinel 2-A untuk parameter TSS. Hasil penelitian menunjukkan ekosistem mangrove di Pulau Pari sebagian besar memiliki kerapatan yang lebat. Makin mengarah ke laut, tingkat kerapatan ekosistem mangrove Pulau Pari cenderung makin menurun. Kualitas perairan ekosistem mangrove di Pulau pari terdiri atas kualitas baik dan cemar ringan. Hampir seluruh wilayah ekosistem mangrove Pulau Pari memiliki  kualitas yang baik. Konsentrasi dari parameter perairan suhu, salinitas, dan pH memenuhi baku mutu untuk ekosistem mangrove, sedangkan TSS tidak memenuhi baku mutu. Kualitas lingkungan ekosistem mangrove di Pulau Pari terbagi ke dalam dua kategori yaitu baik dan sedang. Kategori baik mendominasi wilayah ekosistem mangrove Pulau Pari. Kualitas lingkungan mangrove daratan utama lebih baik dibandingkan dengan mangrove utara Pulau Pari. Kualitas lingkungan cenderung menurun di wilayah yang dekat dengan aktivitas manusia seperti adanya aktivitas reklamasi dan pariwisata.

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Pari Island is a small island with high vulnerability and risk due to limited resources and carrying capacity. Therefore, the mangrove ecosystem has an important role in maintaining environmental stability on Pari Island. The importance of the existence and role of mangrove ecosystems on Pari Island makes monitoring the condition of mangrove ecosystems very necessary. This study aims to map the spatial distribution of water quality and density levels in mangrove ecosystems and formulate the environmental quality of mangrove ecosystems on Pari Island. The variables used are vegetation density based on NDVI and water quality with parameters of water temperature, pH, salinity, and TSS. Mangrove density levels were obtained based on sentinel 2-A image processing in 2024. Water quality were obtained using the IDW method based on field measurements for temperature, pH, and salinity while TSS parameters were estimated using Sentinel 2A image algorithms. The results showed that Mangrove ecosystems on Pari Island mostly have a dense density. Density of mangrove tend to decrease toward the shoreline.  Water quality ranges from good to moderately polluted. Most areas of the Pari island mangrove ecosystem have good water quality, with temperature, salinity, and pH generally meeting mangrove ecosystem standards, while TSS exceeds acceptable thresholds. The environmental quality of the mangrove ecosystem on Pari Island is categorized into two levels, good and moderate. The good category dominates most of the area. However, environmental quality tends to decline in areas closer to human activities, such as reclamation and tourism activities. "

"Penelitian ini bertujuan untuk mengetahui struktur komunitas lamun kerapatan, frekuensi, tutupan, indeks nilai penting, indeks keanekaragaman, indeks keseragaman dan biomassa spesies lamun , kelimpahan sampah plastik dan pengaruh luasan sampah plastik terhadap lamun tutupan lamun; biomassa lamun; kerapatan lamun; dan below ground biomassa lamun di padang lamun Pulau Pari. Metode yang digunakan yaitu metode kuadrat garis kuadrat line transek . Hasil yang diperoleh dari penelitian ini yaitu ditemukan sebanyak 6 spesies lamun di 6 stasiun yaitu Cymodocea rotundata, Enhalus acoroides, Halophila ovalis, Halodule uninervis, Thalassia hemprichii, dan Syringodium isoetifolium. Kerapatan tertinggi diperoleh lamun spesies Thalassia hemprichii di Stasiun I 6900 individu/m2 dan terendah diperoleh lamun spesies Enhalus acoroides di Stasiun III 12 individu/m2 . Frekuensi tertinggi diperoleh lamun spesies Thalassia hemprichii di Stasiun III 86,36 dan terendah diperoleh lamun spesies Syringodium isoetifolium di Stasiun I 1,43 . Tutupan spesies lamun tertinggi diperoleh spesies Thalassia hemprichii di Stasiun III 82,55 dan terendah diperoleh spesies Halophila ovalis 6,12 . Lamun spesies Thalassia hemprichii memiliki Indeks Nilai Penting tertinggi dengan kisaran nilai 83,57 sampai 268,34 dan rata-rata 162,51. Indeks keanekaragaman tertinggi diperoleh di Stasiun I dengan nilai 0,99 dan terendah diperoleh di Stasiun III dengan 0,15. Indeks keseragaman tertinggi diperoleh di Stasiun VI dengan nilai 0,80 dan terendah di Stasiun III dengan nilai 0,22. Biomassa terbesar diperoleh lamun spesies Thalassia hemprichii di Stasiun I 13.143,8 gr berat kering/m2 dan biomassa terendah diperoleh lamun spesies Halophila ovalis di Stasiun I 13.143,8 gr berat kering/m2 . Struktur sampah yang ditemukan sebanyak 9 jenis dengan nilai tertinggi 68,5 yaitu berbahan baku plastik. Hasil uji Pearson menunjukkan bahwa luas sampah plastik tidak mempunyai pengaruh terhadap lamun tutupan lamun; biomassa lamun; kerapatan lamun; dan below ground biomassa lamun.

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This study aims to determine the structure of seagrass communities density, frequency, percent cover, index of important value, index of diversity, index of uniformity and biomass of seagrass species , abundance of plastic waste and the effect of plastic waste to the seagrass seagrass cover biomass seagrass density of seagrass and below ground biomass of seagrass in seagrass Pari Island. The method is line transect.The results found six species of seagrasses in 6 stations namely Cymodocea rotundata, Enhalus acoroides, Halophila ovalis, Halodule uninervis, Thalassia hemprichii and Syringodium isoetifolium. Obtained the highest density of seagrass species Thalassia hemprichii in Station I 6900 individu m2 and the lowest obtained Enhalus acoroides seagrass species at Station III 12 individu m2 . Highest frequency obtained seagrass species Thalassia hemprichii in Station III 86.36 and the lowest obtained Syringodium isoetifolium seagrass species at Station I 1.43 . Percent cover species of seagrass species Thalassia hemprichii highest obtained at Station III 82.55 and the lowest species of Halophila ovalis obtained 6.12 . Seagrass species Thalassia hemprichii had the highest importance value index in the range of 83.57 to 268.34 and 162.51 average. Highest diversity index obtained at Station I with 0.99 and the lowest value obtained at Station III with 0.15. Highest uniformity index obtained at Station VI with a score of 0.80 and the lowest at Station III with a value of 0.22. Structure rubbish found 9 species with the highest value 68.5 which mainly consist of plastic. Pearson 39 s test results show that the area of plastic waste has no effect on seagrass seagrass percent cover biomass total of seagrass seagrass density, and below ground biomass of seagrass."