Suci, Indriani Eka and Dr. Ir. Mohamad Fadjar, M.Sc and Nasrullah Bai Arifin, S.Pi., M.Sc (2021) Profil Kelimpahan Perifiton pada Budidaya Sistem Intensif Udang Vaname (Litopenaeus vannamei) di Kolam Indoor dan Outdoor. Sarjana thesis, Universitas Brawijaya.
Abstract
Udang merupakan komoditas unggulan ekspor. Sistem budidaya yang digunakan untuk budidaya udang vaname terdapat tiga jenis sistem budidaya tradisional, semi intensif, dan intensif. Budidaya udang vaname dengan sistem intensif di Indonesia hingga kini telah berkembang dan menggunakan berbagai jenis kolam yaitu kolam tertutup (indoor) dan kolam terbuka (outdoor). Kedua jenis kolam tersebut memiliki kelebihan dan kekurangan masing-masing. Perbedaan intensitas cahaya yang masuk berpengaruh terhadap organisme di dalamnya, salah satunya adalah perifiton. Tujuan penelitian ini adalah untuk mengetahui pengaruh perbedaan kolam indoor dan outdoor terhadap profil kelimpahan perifiton pada budidaya udang vaname secara intensif. Penelitian ini dilaksanakan di Instalasi Budidaya Laut (IBL) Prigi, Trenggalek, Jawa Timur. Sampel perifiton, kualitas air, dan klorofil a diamati di Laboratorium Unit Pelaksana Teknis (UPT) Perikanan Air Tawar Sumber Pasir Fakultas Perikanan dan Ilmu Kelautan, Universitas Brawijaya. Metode yang digunakan pada penelitian ini adalah metode deskriptif komparatif dan Uji T. Data kualitas air, klorofil-a, dan data perifiton dibandingkan antara kolam indoor dan kolam outdoor. Parameter kualitas air dan klorofil-a dibandingkan menggunakan Uji T. Kualitas air yang diujikan yaitu suhu, kecerahan, pH, salinitas, oksigen terlarut, amonia, nitrat, nitrit, orthofosfat, dan TOM (Total Organic Matter). Hasil uji T yang didapatkan menunjukkan bahwa penggunaan kedua kolam yang berbeda mendapatkan hasil < 0,05. Hasil tersebut menunjukan adanya pengaruh signifikan terhadap penggunaan jenis kolam yang berbeda. Hasil penelitian pada penggunaan jenis kolam yang berbeda juga berpengaruh terhadap kelimpahan perifiton. Kelimpahan perifiton terendah didapatkan masa pemeliharaan hari ke 7 terdapat di kolam B3 yaitu 2209 ind/cm2 dan tertinggi pada kolam A2 masa pemeliharaan hari ke 7 yaitu 3934 ind/cm2. Kelimpahan perifiton terendah pada masa pemeliharaan hari ke 56 terdapat di kolam B1 yaitu 5884 ind/cm2 dan kelimpahan tertinggi pada masa pemeliharaan ke 56 terdapat pada kolam A1 masa pemeliharaan yaitu 8064 ind/cm2. Faktor yang mempengaruhi lebih tinggi kelimpahan perifiton di kolam indoor yaitu lebih tingginya rata-rata nitrat dan fosfat. Kedua faktor tersebut merupakan faktor yang mempengaruhi pertumbuhan perifiton. Kelimpahan perifiton pada masa pemeliharaan ke 7 masih rendah dikarenakan masih belum banyak perlakuan yang diberikan sehingga belum banyak nutrien yang tersedia. Terdapat 5 jenis perifiton yang ditemukan pada saat penelitian yaitu Bacillariophyta, Charophyta, Chlorophyta, Cyanobacteria, dan Ochrophyta. Indeks keanekaragaman yang didapat saat penelitian merupakan indeks keanekaragaman sedang. Indeks keanekaragaman pada kolam indoor berkisar antara 1,85 – 2,58 dan pada kolam outdoor berkisar antara 1,89 – 2,72. Indeksv keseragaman pada kolam indoor berkisar antara 0,88 – 0,98 dan pada kolam outdoor berkisar antara 0,88 – 0,99. Indeks keseragaman yang didapatkan pada saat penelitian merupakan keseragaman jenis tinggi. Nilai indeks dominansi yang didapatkan pada saat penelitian ≤ 1. Indeks dominansi pada kolam indoor berkisar antara 0,08 – 0,17 dan pada kolam outdoor berkisar antara 0,07 – 0,18. Dari data yang didapatkan dapat disimpulkan bahwa tidak ada spesies yang mendominasi baik dikolam indoor maupun kolam outdoor.
English Abstract
Shrimp is the leading export commodity. The cultivation system used for the cultivation of whiteleg shrimp there are three types of traditional, semi-intensive, and intensive cultivation systems. Cultivation of whiteleg shrimp with an intensive system in Indonesia until now has developed and uses various types of ponds, namely closed pond (indoor) and open pond (outdoor). Both types of ponds have their own advantages and disadvantages. The difference in the intensity of incoming light affects the organisms in it, one of which is periphyton. The purpose of this study was to find out the effect of differences in indoor and outdoor pond on the profile of periphyton abundance on intensive farming of whiteleg shrimp. This research was conducted at the Instalasi Budidaya Laut (IBL), Trenggalek, East Java. Samples of periphyton, water quality, and chlorophyll-a were observed in the Laboratory Unit Pelaksana Teknis (UPT) Perikanan Air Tawar Sumber Pasir Faculty of Fisheries and Marine Sciences, University of Brawijaya. The method used in this research is descriptive comparative method and T test. Water quality data, chlorophyll-a, and periphyton data were compared between indoor and outdoor ponds. Water quality parameters and chlorophyll-a were compared using the T test. The water quality tested were temperature, brightness, pH, salinity, dissolved oxygen, amonia, nitrate, nitrite, orthophosphate, and TOM (Total Organic Matter). The results of the T-test showed that the use of the two different pools obtained results <0.05. These results indicate a significant effect on the use of different types of ponds. The results of research on the use of different types of ponds also affect the abundance of periphyton. The lowest abundance of periphyton was found in the 7th day rearing period in pond B3, which was 2209 ind/cm2 and the highest in pond A2 during the 7th day rearing period, which was 3934 ind/cm2. The lowest abundance of periphyton on the 56th day of rearing was found in pond B1 at 5884 ind/cm2 and the highest abundance during the 56th rearing period was in pond A1 in the rearing period, which was 8064 ind/cm2. The factors that influence the higher abundance of periphyton in indoor ponds are the higher average of nitrate and phosphate. Both of these factors are factors that affect the growth of periphyton. The abundance of periphyton during the 7th maintenance period was still low because there were not many treatments given so that not many nutrients were available. There were 5 types of periphyton found during the research, namely Bacillariophyta, Charophyta, Chlorophyta, Cyanobacteria, and Ochrophyta. The diversity index obtained during the study is a moderate diversity index. The diversity index in the indoor pool ranged from 1.85 – 2.58 and in the outdoor pond it ranged from 1.89 – 2.72. The uniformity index in the indoor pond ranged from 0.88 – 0.98 and in the outdoor pond it ranged from 0.88 – 0.99. The uniformity index obtained at the time of the study was high species uniformity. Thevii dominance index value obtained at the time of the study was 1. The dominance index in the indoor pond ranged from 0.08 – 0.17 and in the outdoor pond it ranged from 0.07 – 0.18. From the data obtained, it can be concluded that there is no species that dominates in both the indoor and outdoor ponds.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Identification Number: | 0521080164 |
| Uncontrolled Keywords: | - |
| Subjects: | 600 Technology (Applied sciences) > 639 Hunting, fishing & conservation > 639.3 Culture of cold-blooded vertebrates |
| Divisions: | Fakultas Perikanan dan Ilmu Kelautan > Agrobisnis Perikanan |
| Depositing User: | Zainul Mustofa |
| Date Deposited: | 14 Jun 2022 02:47 |
| Last Modified: | 14 Jun 2022 02:47 |
| URI: | http://repository.ub.ac.id/id/eprint/191094 |
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