ANDINI SOEMARNO, MIFTA TRI (2021) VARIABILITAS KARANG KERAS (Scleractinia) DALAM KOMPETISI DENGAN ALGA DI PULAU HANDEULEUM TAMAN NASIONAL UJUNG KULON. S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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Abstract
The water area of Handeuleum Island is close to the Cigenter river which carries sufficient nutrients for algae development, the Tsunami that occurred in December 2018 caused a decrease in the percentage of cover, in some cases resilience often followed by alga growth adhering to the coral recruits, thus potential to induce competition between coral reefs and algae. Competition influence the species variability and the percent cover of both. The purpose of this study was to analyze the condition, the variability of hard corals (Scleractinia) in competition with algae and determine the status of water quality for the existence of hard coral reef ecosystems in Handeuleum Island. Data collection for coral reef, algae, and the abiotic cover was conducted using the UPT method and analyzed using CPCe software then, an ecological index analysis, water quality was analyzed using the Storet method, analysis of variations using the approach (Mean ± SE) and cluster analysis for the grouping of each station was conducted using XLTAT. The results showed the coral reef cover was generally in a bad condition with a percentage cover of 20.85%, turf algae 24,81% and macroalgae 9,49%. The species variability shows that the level of variation in the number of algae is higher than that of live corals, algae (33.9 ± 6.22 SE), and corals (20.62 ± 9.36 SE). The low variety of hard corals is due to the waters of Handeuleum Island which are flowed by several river estuaries, resulting in a high sedimentation rate and nutrient content.
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | The water area of Handeuleum Island is close to the Cigenter river which carries sufficient nutrients for algae development, the Tsunami that occurred in December 2018 caused a decrease in the percentage of cover, in some cases resilience often followed by alga growth adhering to the coral recruits, thus potential to induce competition between coral reefs and algae. Competition influence the species variability and the percent cover of both. The purpose of this study was to analyze the condition, the variability of hard corals (Scleractinia) in competition with algae and determine the status of water quality for the existence of hard coral reef ecosystems in Handeuleum Island. Data collection for coral reef, algae, and the abiotic cover was conducted using the UPT method and analyzed using CPCe software then, an ecological index analysis, water quality was analyzed using the Storet method, analysis of variations using the approach (Mean ± SE) and cluster analysis for the grouping of each station was conducted using XLTAT. The results showed the coral reef cover was generally in a bad condition with a percentage cover of 20.85%, turf algae 24,81% and macroalgae 9,49%. The species variability shows that the level of variation in the number of algae is higher than that of live corals, algae (33.9 ± 6.22 SE), and corals (20.62 ± 9.36 SE). The low variety of hard corals is due to the waters of Handeuleum Island which are flowed by several river estuaries, resulting in a high sedimentation rate and nutrient content. | |||||||||
| Uncontrolled Keywords: | Keywords: Algae, coral reef, variability, sedimentation rate | |||||||||
| Subjects: | S Agriculture > SH Aquaculture. Fisheries. Angling | |||||||||
| Divisions: | 04-Fakultas Pertanian > 54244-Program Studi Ilmu Perikanan | |||||||||
| Depositing User: | Perpustakaan Pusat | |||||||||
| Date Deposited: | 02 Aug 2022 11:29 | |||||||||
| Last Modified: | 02 Aug 2022 11:29 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/15106 |
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