PERTUMBUHAN MIKROALGA Nannochloropsis sp., Tetraselmis sp. DAN Dunaliella sp. PADA MEDIA AIR LIMPASAN BUDIDAYA UDANG VANAME (Litopenaeus vannamei)

SANTRIKA KHANZA , 1514111025 (2019) PERTUMBUHAN MIKROALGA Nannochloropsis sp., Tetraselmis sp. DAN Dunaliella sp. PADA MEDIA AIR LIMPASAN BUDIDAYA UDANG VANAME (Litopenaeus vannamei). FAKULTAS PERTANIAN, UNIVERSITAS LAMPUNG.

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Abstrak

Penelitian ini bertujuan mengetahui pertumbuhan Nannochloropsis sp., Tetraselmis sp. dan Dunaliella sp. yang dikultur pada air limpasan budidaya udang vaname (Litopenaeus vannamei).Rancangan penelitian yang digunakan adalah Rancangan Acak Lengkap (RAL) dengan tiga perlakuan dan tiga ulangan, yaitu perlakuan A (100% air limpasan budidaya udang vaname sebagai media kulturNannochloropsis sp.), B (100% air limpasan budidaya udang vaname sebagai media kultur Tetraselmis sp.)dan C (100% air limpasan budidaya udang vaname sebagai media kultur Dunaliella sp.). Parameter yang diamati meliputi kepadatan populasi Nannochloropsis sp., Tetraselmis sp. dan Dunaliella sp., nitrat, ortofosfat, pH, suhu, intensitas cahayadan salinitas. Data parameter kepadatan puncak populasiNannochloropsis sp., Tetraselmis sp. dan Dunaliella sp.diuji menggunakan uji (ANOVA) dengan tingkat kepercayaan 95%data menunjukkan berpengaruh signifikan setelah itu dilanjutkan uji Duncan dengan tingkat kepercayaan 95% data menunjukkan perlakuan A berbeda nyata terhadap perlakuan C. Hasil penelitian menunjukkan bahwa air limpasan budidaya udang vaname dapat dimanfaatkan sebagai media kultur mikroalga Nannochloropsis sp., Tetraselmis sp. dan Dunaliella sp. dan mikroalga Nannochloropsis sp. merupakan mikroalga yang menghasilkan kepadatan tertinggi sebesar 34,5 x 104 ind/mL. Kata Kunci:Nannochloropsis sp., Tetraselmis sp., Dunaliella sp., air limpasan, nitrat, fosfat This research was aimed to find out growth of Nannochloropsis sp., Tetraselmis sp. And Dunaliella sp. that cultivated on vaname (Litopenaeus vannamei) cultivation run off water. Experimental design was used Completely Randomized Design (CRD) with three treatments and three replications, there were A (100% vaname cultivation run off water as Nannochloropsis sp. culture media), B (100% vaname cultivation run off water as Tetraselmis sp. culture media), and C (100% vaname cultivation run off water as Dunaliella sp. culture media). The observed parameters were density population of Nannochloropsis sp., Tetraselmis sp. and Dunaliella sp., nitrat, ortofosfat, pH, temperature, light intensity, and salinity. The parameters data of density population Nannochloropsis sp., Tetraselmis sp. and Dunaliella sp.was tested by ANOVA with 95% level of trust showed significantly affected, then continued Duncan’s test with 95% level of trust showed A treatment significantly different for C treatment. The results showed that vaname cultivation run off water could be used as a microalgae culture medium of Nannochloropsis sp., Tetraselmis sp. and Dunaliella sp. and microalgae Nannochloropsis sp. is a microalgae that produces the highest density of 34,5 x 104 ind/mL. Key words: Nannochloropsis sp., Tetraselmis sp., Dunaliella sp.,run off water, nitrat, fosfat

Tipe Karya Ilmiah: Skripsi
Subyek: 600 Teknologi
600 Teknologi > 630 Pertanian
Program Studi: Fakultas Pertanian > Prodi Budidaya Perairan
Depositing User: 2018086824 . Digilib
Date Deposited: 23 Oct 2019 07:32
Last Modified: 23 Oct 2019 07:32
URI: http://digilib.unila.ac.id/id/eprint/59554

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