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Effect of Temperature and Zinc (Zn) Temporal Variation in Water on Size Distribution of River Catfish (Mystus sp.) at Blanakan River, West Java
IOP Conference Series: Earth and Environmental Science Pub Date : 2020-09-17 , DOI: 10.1088/1755-1315/550/1/012026
D A Sekarini , N D Takarina

River catfish (Mystus sp.) is a species commonly found in the Blanakan river. The community also consumes this species lived around Blanakan. This study aimed to investigate the effect of temporal variation of temperature and metal Zn on the Mystus sp. size distribution. The fish samples and water were collected from the river in the early and end of June to represent temporal variation. Simultaneously, the water temperatures were also recorded. The fish samples’ length and weight were measured. The AAS (Atomic Absorption Spectroscopy) was used to analyze Zn in water samples. The results showed that there was a temperature decrease from 32.9 0C to 30.8 0C. The Zn was also decreased from 1.12 mg/l to 0.14 mg/l. The length of Mystus sp. was increased from 13.27 cm to 14.00 cm. In contrast, the weight was reduced from 36.29 g to 32.88 g. To conclude, the temperature and Zn temporal variation affected the increasing length and reducing weight.



中文翻译:

温度和水中锌 (Zn) 时间变化对西爪哇布拉纳坎河鲶鱼 (Mystus sp.) 大小分布的影响

河鲶鱼 ( Mystus sp.) 是一种常见于布拉纳坎河的物种。该社区还消费生活在布拉纳坎附近的这个物种。本研究旨在研究温度和金属 Zn 随时间变化对Mystus sp. 的影响。尺寸分布。鱼样和水是在六月初和六月底从河流中采集的,以代表时间变化。同时,还记录了水温。测量鱼样品的长度和重量。AAS(原子吸收光谱)用于分析水样中的锌。结果表明,温度从 32.9 0 C 降低到 30.8 0 C。Zn 也从 1.12 mg/l 降低到 0.14 mg/l。的长度Mystus sp。从 13.27 厘米增加到 14.00 厘米。相比之下,重量从 36.29 克减少到 32.88 克。综上所述,温度和锌的时间变化影响了长度的增加和重量的减少。

更新日期:2020-09-17
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