Muchlisin, Cholis (2015) Struktur komunitas ikan karang di perairan terdampak air bahang PLTU Paiton, Probolinggo. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Air bahang merupakan air buangan setelah digunakan untuk
mendinginkan kondensor suatu Pembangkit Listrik Tenaga Uap
(PLTU) yang bersuhu lebih tinggi dari pada suhu normal
perairan. PLTU Paiton juga memiliki konsep pendinginan
kondensor yang menggunakan air laut. Setidaknya 30-40 m3/detik
air bahang dilepas ke lingkungan perairan di sekitarnya.
Perubahan suhu air laut yang disebabkan oleh air buangan dari
stasiun pembangkit berpotensi untuk mempengaruhi struktur
komunitas ikan karang karena menurunnya kekayaan jenis; oleh
karena itu perlu adanya penelitian untuk mengetahui struktur
komunitas ikan karang di perairan terdampak air bahang PLTU
Paiton, Probolinggo.
Penelitian ini dilakukan pada Maret hingga Juli 2015
dengan dua kali pengambilan data. Pengambilan data dilakukan
pada 3 stasiun yaitu pada area terumbu karang di sekitar
mercusuar (MC) dan water intake canal (IC) serta water
discharge canal (DC) yang terdampak air bahang. Pengamatan
ikan karang menggunakan metode sensus visual. Perbedaan
struktur komunitas dianalisis melalui indeks dominansi
Simpson(C), indeks keanekaragaman Shannon-Wiener (H’),
indeks kemerataan jenis (Pielou), indeks kesamaan komunitas
Morisita-Horn (CMH) serta distribusi masing-masing spesies
ikan karang (menggunakan teknik ordinasi canonical analysis).
Perbedaan jumlah individu, jumlah jenis dan H’ sebagai
pengaruh dari buangan air bahang dianalsis menggunakan
ANOVA (Analysis of Variance) Two Way pada taraf
kepercayaan 95% dan Tukey’s HSD Test untuk uji lanjutan. Berdasarkan hasil penelitian diperoleh kesimpulan bahwa
faktor stasiun dan kedalaman hanya berpengaruh signifikan
terhadap jumlah individu dan tidak berpengaruh signifikan
terhadap jumlah spesies dan nilai indeks keanekaragaman.
Secara keseluruhan nilai indeks keanekaragaman Shanon-Wiener
(H’) termasuk dalam kategori sedang (2-3) dan tinggi (>3) serta
terdapat kecenderungan pengelompokkan beberapa genus ikan
karang di staisun tertentu sebagai dampak tidak langsung dari
air bahang.
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Thermal discharge water is waste water after being used to
cool the condenser of a steam power plant with a temperature
higher than the normal temperature of the waters. Paiton also had
a condenser cooling concept that uses sea water. At least 30-40
m3 / sec heated water released into the environment surrounding
waters. Changes in sea water temperature caused by the thermal
discharge water from the power plant has the potential to affect
the reef fish community structure due to the decline of species
richness therefore the need for research to determine the
community structure of reef fish in the waters affected by thermal
discharge water of Paiton, Probolinggo power plant.
Research was conducted on March until July 2015 with
twice the data retrieval. Data were collected at three stations,
namely in the area of coral reefs around the lighthouse (MC) and
the water intake canal (IC) and the water discharge canal (DC)
which affected by thermal discharge water. Observation of coral
fishes is done using visual census method. Differences in
community structure were analyzed through Simpson dominance
index (C), Shannon-Wiener diversity index (H ), evenness index
(Pielou), community similarity index Morisita-Horn (CMH) as
well as the distribution of each species of reef fish (using
ordination canonical analysis techniques). Differences in the
number of individuals, number of species and H as the effect of
the thermal discharge water were analyzed using ANOVA
(Analysis of Variance) Two Way at the level of 95 and Tukeys
HSD Test for Post-hoc.Based on the results we concluded that the factor station and
a depth only significant effect on the number of individuals and
did not significantly influence the number of species and diversity
index value. Overall value of Shannon-Wiener diversity index
(H’) included in the medium category (2-3) and high ( 3), and
there is a tendency of grouping several genera of reef fish at
certain stations as indirect effects of heat water.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSBi 551.424 Muc s |
| Uncontrolled Keywords: | Air bahang; ikan karang; PLTU Paiton; struktur komunitas; suhu |
| Subjects: | S Agriculture > SH Aquaculture. Fisheries. Angling > SH157.85 Artificial reefs. |
| Divisions: | Faculty of Mathematics and Science > Biology > 46201-(S1) Undergraduate Thesis |
| Depositing User: | - Taufiq Rahmanu |
| Date Deposited: | 04 Nov 2019 03:34 |
| Last Modified: | 04 Nov 2019 03:34 |
| URI: | http://repository.its.ac.id/id/eprint/71570 |
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