Chlorophyll and Agar Content of Gracilaria Gigas (Harvey) from Different Salinity and Depth Cultivation Results

DEVIYANTI, Religya (2018) Chlorophyll and Agar Content of Gracilaria Gigas (Harvey) from Different Salinity and Depth Cultivation Results. Skripsi thesis, Universitas Jenderal Soedirman.

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Abstract

Gracilaria gigas is one of the red seaweed-producing agar, and is one of the largest in Indonesia. Its ability to grow over a wide range of salinity makes it widely cultivated in pond areas, one of them in the Randusanga area of Brebes Regency, Central Java where seaweed for this research is taken. As an autotrophic organism, the fulfillment of light is needed for the process of photosynthesis, this is related to the depth and chlorophyll content from this seaweed. In addition, salinity is also be the factor that determines the success of photosynthesis process, where this process produces some food reserves and one of them in the form of agar. Temperature and evaporation are closely related to salinity, higher temperature and evaporation will affect in higher salinity. The method had been used is a survey method with Completely Randomized Design (CRD) with Factorial pattern. The observed variables include independent variables: different depth and salinity levels, and dependent variables: chlorophyll content and agar yield. The results obtained were then analyzed using Analysis of Variance (Anova) (F-test) with 5% and 1% level. This research shows that independently, salinity does not affect the agar yield, but affects the chlorophyll content where the salinity <25 ppt is the most influential. Neither depth nor interaction between depth and salinity affect the chlorophyll content and yield of Gracilaria gigas seaweed.

Item Type: Thesis (Skripsi)
Nomor Inventaris: B18184
Uncontrolled Keywords: Gracilaria gigas, chlorophyll, agar, depth, salinity
Subjects: M > M72 Marine plants
P > P335 Plants Growth
Divisions: Fakultas Biologi > S1 Biologi
Depositing User: Mr BAYU Ananda
Date Deposited: 03 Feb 2021 09:21
Last Modified: 03 Feb 2021 09:21
URI: http://repository.unsoed.ac.id/id/eprint/7492

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