STATUS PENCEMARAN PERAIRAN WADUK JATIBARANG KOTA SEMARANG PADA BERBAGAI KEGIATAN PERUNTUKAN   Water Pollution Status of Jatibarang Reservoir, Semarang City in Various Activities Allocation

Melinda, Fristiwi Silvi; Rudiyanti, Siti; Haeruddin, Haeruddin

doi:10.14710/marj.v8i3.24245

Cited by 2 publications

(3 citation statements)

References 7 publications

(7 reference statements)

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“…Data nitrat, fosfat, dan oksigen terlarut (DO) di waduk Jatibarang diambil menggunakan data sekunder yaitu menggunakan penelitian Marsaoly, et al, (2019), Rohmah, et al (2016, Melinda, et al (2019), dan Chandra, et al (2020) mengenai kualitas air di waduk Jatibarang (tabel 4). Oksigen merupakan komponen utama bagi metabolisme organisme perairan.…”

Section: Parameter Kualitas Air DI Waduk Jatibarangunclassified

“…Tabel 3. Kualitas Perairan Fisika Dan Kimia (DO, Nitrat, dan Fosfat) Keterangan: * Melinda, et al (2019) ***Chandra, et al (2020) ** Rohmah, et al, (2016) **** Marsaoly, et al, (2019) Data hasil pengukuran fosfat menunjukkan bahwa kadar fosfat yang ada di waduk Jatibarang berkisar antara 2,67 -4,224. Hasil pengukuran fosfat termasuk ke dalam kategori baik.…”

Section: Kesimpulanunclassified

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Struktur Komunitas Plankton di Waduk Jatibarang

Hanurandi,

Haryati,

Soeprobowati

2022

J. Ilmu Lingk.

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Jatibarang Reservoir is a reservoir built on the Kreo River ± 10 km upstream of the confluence with the Kali Garang river, Changes in water quality conditions due to tourism activities in the Jatibarang reservoir will cause changes in the ecosystem and composition of the plankton community. This study aims to examine the structure of the plankton community at different depths in the Jatibarang reservoir and examine the physical and chemical parameters at different depths in the Jatibarang reservoir. Sampling was carried out at 4 points with a depth of 0m, 1m, 2m, and 3m. Based on the results of the study, we found 34 species of plankton belonging to 6 divisions, namely 12 species of Bacillariophyta, 15 species of Chlorophyta, 1 species of Phyrrophyta, 2 species of Euglenophyta, 1 species of Cyanophyta, and 1 species of Copepoda. The abundance of plankton in all stations and the depth level ranged from 22.081-123.9928 Ind/L, with the highest abundance at 1m depth, namely 246.297-993.681 Ind/L. Based on the diversity index (H'), uniformity index (E), and dominance index (D), the community structure in all stations and the depth level of the Jatibarang reservoir is stable with moderate species diversity, uniformity index is evenly distributed and there is plankton that dominates, namely at a depth of 2m at station 1, the species Ankistrodesmus so. Chlorophyta and Bacillariophyta with species Achnanthes sp, Cymbella sp, and Ankistrodesmus sp are mostly found in the waters of the Jatibarang reservoir. The waters of the Jatibarang reservoir have temperatures ranging from 25-27℃, pH 6-7.5, and brightness 50.5-79.5 cm. Dissolved oxygen 6.9 – 8.25 mg/L. The value of nitrate is 0.163-2.698 mg/L and phosphate is 0.163-2.698 mg/L. The water quality in the Jatibarang reservoir is still within the range to support the life of aquatic organisms.

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Section: Parameter Kualitas Air DI Waduk Jatibarangunclassified

Section: Kesimpulanunclassified

Struktur Komunitas Plankton di Waduk Jatibarang

Hanurandi,

Haryati,

Soeprobowati

2022

J. Ilmu Lingk.

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“…The number of speed boats leaning, oil spills or speed boat fuel can pollute the reservoir waters. In addition, capture fisheries activities are added (Melinda et al, 2019). However, according to information from sources at PDAM Tirta Moedal, this has been corrected by reducing the use of motorized machinery and capture fisheries because they will affect water quality.…”

Section: Operation-related Risksmentioning

confidence: 99%

Critical Risk Factors of PPP Water Supply Project in Indonesia (Case Study: West Semarang Drinking Water Supply Project)

Parlindungan,

Setiadi,

López

2022

IJPD

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The increasing need for water cannot be denied, given the growing population and standard of living. Therefore, the Government seeks to involve the private sector through the Public-Private Partnership (PPP) scheme in the West Semarang Drinking Water System project to overcome the cost of providing a significant investment. In 2012 the West Semarang Drinking Water Supply Project (WS-DWSS) was developed by the Government. But in 2015, the project was stopped due to changes in the Law of the Republic of Indonesia Number 7 of 2004 concerning Water Resources. PPP schemes in the water sector are relatively new in Indonesia and often face many challenges in their implementation. Through the lens of a theoretical framework and by taking a qualitative and quantitative approach based on primary and secondary data, this thesis assesses the critical risk factors during project implementation in the perception of the public and private sectors. This thesis shows that the both sectors agree that there are 3 most critical risks for drinking water projects: availability of raw water (continuity/quantity), natural disasters, tariff setting & demand projection error. However, the two sectors also have different perceptions of critical risk factors. This difference shows that the two sectors have distinct views and goals as part of a collaborative project. By knowing the similarities and differences, mitigation efforts can be made to minimize the risk of drinking water projects with the PPP scheme.

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STATUS PENCEMARAN PERAIRAN WADUK JATIBARANG KOTA SEMARANG PADA BERBAGAI KEGIATAN PERUNTUKAN Water Pollution Status of Jatibarang Reservoir, Semarang City in Various Activities Allocation

Cited by 2 publications

References 7 publications

Struktur Komunitas Plankton di Waduk Jatibarang

Struktur Komunitas Plankton di Waduk Jatibarang

Critical Risk Factors of PPP Water Supply Project in Indonesia (Case Study: West Semarang Drinking Water Supply Project)

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