Tingkat Kesuburan Perairan berdasarkan Konsentrasi Nitrat, Fosfat dan Klorofil-a di Kabupaten Jepara

IF 0.5 4区 地球科学 Q3 Earth and Planetary Sciences Journal of Marine Research Pub Date : 2023-11-03 DOI:10.14710/jmr.v12i4.41718
Atthariq Fachri Ramadhan Arief, C. A. Suryono, W. A. Setyati
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Abstract

: Kesuburan perairan ditentukan oleh nitrat, fosfat dan klorofil-a. Nitrat dan fosfat merupakan zat hara yang penting untuk mengembangkan potensi sumberdaya ekosistem laut Perairan Kartini merupakan salah satu perairan yang padat aktivitas manusia dan dekat dengan muara sungai Wiso. Penelitian ini bertujuan untuk mengetahui tingkat kesuburan di perairan Kartini dan Wiso, kabupaten Jepara. Pengambilan data penelitian dilaksanakan satu kali pada bulan Maret 2022. Metode penelitian yang digunakan adalah metode deskriptif dengan pendekatan kuantitatif. Lokasi penelitian dibagi menjadi delapan stasiun. Pengambilan sampel air dilakukan pengulangan sebanyak tiga kali. Metode analisis kandungan nutrien pada air untuk konsentrasi nitrat dan fosfat mengacu pada SNI 6989.79.2011 dan SNI 06-6989.31.2005. Data dianalisis menggunakan analisis one way anova, uji regresi, uji korelasi dan uji TSI (Trophic State Index). Hasil penelitian menunjukkan, konsentrasi nitrat sebesar 0,50–0,73 mg/L, konsentrasi fosfat sebesar 0,013–0,513 mg/L dan konsentrasi klorofil-a sebesar 7,355-17,917 µg/L. Kandungan nitrat, fosfat dan klorofil-a pada stasiun Wiso relatif lebih tinggi dibandingkan stasiun Kartini. Berdasarkan uji regresi, didapatkan persamaan regresi pada stasiun Kartini yaitu y = 32,74X1 + 1,33X2 – 7,07 dan stasiun Wiso yaitu y = -24,29X1 + 16,29X2 + 18,77. Uji korelasi pada stasiun kartini dan wiso menunjukkan nilai korelasi positif antara nitrat dan fosfat terhadap klorofil-a. Berdasarkan perhitungan TSI didapatkan tingkat kesuburan rata-rata semua stasiun yaitu eutrofik ringan hingga eutrofik sedang.    Water productivity is determined by nitrate, phosphate and chlorophyll-a. Nitrate and phosphate are essential nutrients to develop the potential of marine ecosystem resources. Kartini waters are one of the waters that are dense with human activities and  close to the mouth of the Wiso river. This study aims to determine water productivity in Kartini and Wiso waters, Jepara regency. The research data collection was carried out once in March 2022. The research method used was a descriptive method with a quantitative approach. The research location is divided into eight stations. Water sampling was repeated three times. The method of analyzing nutrient content in water for nitrate and phosphate concentration refers to the method of SNI 6989.79.2011 and SNI 06-6989.31.2005. Data were analyzed using one way anova test, regression test, correlation test and TSI test (Trophic State Index).  The results showed that the nitrate concentration was 0.50 – 0.73 mg/L, the phosphate concentration was 0.013–0.513 mg/L and the chlorophyll-a concentration was 7.355 µg/L - 17.917. µg/L. The content of nitrate, phosphate and chlorophyll-a at Wiso station is relatively higher than Kartini station. Based on the regression test, the regression equation obtained at Kartini station y = 32,74X1 + 1,33X2 – 7,07 and at wiso station is y = -24,29X1 + 16,29X2 + 18,77. The correlation test at Kartini and Wiso stations showed a positive correlation value between nitrate and phosphate on chlorophyll-a. Based on TSI calculations, the average fertility level for all stations is obtained, namely mild eutrophic to moderate eutrophic.
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哲帕拉县基于硝酸盐、磷酸盐和叶绿素 a 浓度的水生肥力水平
:通过硝酸盐、磷脂和氯地尔,可提高空气质量。硝酸盐和磷脂是提高人体免疫力的重要物质。该项目旨在为哲帕拉州的卡蒂尼和威索地区提供服务。该项目将于 2022 年下半年完成。数据挖掘的方法是以实用性为基础的数据挖掘方法。该项目将于 2022 年下半年启动。空气样本的使用将在近期内得到改善。在 SNI 6989.79.2011 和 SNI 06-6989.31.2005 中对空气中硝酸盐和磷脂的营养成分进行了分析。这些数据包括单因子分析、回归分析、营养状态指数(TSI)。结果表明,硝酸盐含量为 0.50-0.73 毫克/升,磷脂含量为 0.013-0.513 毫克/升,氯硅烷含量为 7,355-17,917 微克/升。Wiso 水域的硝酸盐、磷脂和氯硅烷含量与 Kartini 水域的相关性较低。从回归方程来看,Kartini 和 Wiso 的回归方程分别为 y = 32,74X1 + 1,33X2 - 7,07 和 y = -24,29X1+16,29X2+18,77。在 Kartini 和 Wiso 样本中,硝酸盐和磷脂与氯地尔 A 的正相关系数为零。TSI 的检测结果按比例显示了水的生产率,包括水的环状生产率和水的沉积生产率。 水体生产力由硝酸盐、磷酸盐和叶绿素 a 决定。硝酸盐和磷酸盐是开发海洋生态系统资源潜力所必需的营养物质。卡蒂尼水域是人类活动密集的水域之一,靠近维索河口。本研究旨在确定哲帕拉县卡尔提尼和威索水域的水生产力。研究数据收集工作于 2022 年 3 月进行了一次。采用的研究方法是定量描述法。研究地点分为八个站点。水样重复采集三次。水中硝酸盐和磷酸盐浓度的营养成分分析方法参照 SNI 6989.79.2011 和 SNI 06-6989.31.2005。数据分析采用了单因素分析检验、回归检验、相关检验和 TSI 检验(营养状态指数)。 结果显示,硝酸盐浓度为 0.50 - 0.73 mg/L,磷酸盐浓度为 0.013-0.513 mg/L,叶绿素-a 浓度为 7.355 µg/L - 17.917.微克/升。Wiso 站的硝酸盐、磷酸盐和叶绿素-a 含量相对高于 Kartini 站。根据回归测试,Kartini 站的回归方程为 y = 32,74X1 + 1,33X2 - 7,07,而 Wiso 站的回归方程为 y = -24,29X1 + 16,29X2 + 18,77。卡蒂尼站和维索站的相关性检验结果表明,硝酸盐和磷酸盐与叶绿素-a 呈正相关。根据 TSI 计算结果,得出所有站点的平均肥力水平,即轻度富营养化至中度富营养化。
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Journal of Marine Research
Journal of Marine Research 地学-海洋学
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审稿时长
3 months
期刊介绍: The Journal of Marine Research publishes peer-reviewed research articles covering a broad array of topics in physical, biological and chemical oceanography. Articles that deal with processes, as well as those that report significant observations, are welcome. In the area of biology, studies involving coupling between ecological and physical processes are preferred over those that report systematics. Authors benefit from thorough reviews of their manuscripts, where an attempt is made to maximize clarity. The time between submission and publication is kept to a minimum; there is no page charge.
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