Water Quality and Eutrophication in Jatiluhur
Reservoir, West Java, Indonesia

Astuti, Lismining Pujiyani; Sugianti, Yayuk; Warsa, Andri; Sentosa, Agus Arifin

doi:10.15244/pjoes/142475

Cited by 13 publications

(8 citation statements)

References 7 publications

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“…Food stall income depends on the number of tourist visits who carry out eating activities at the available food stalls, so creativity is needed for food stall entrepreneurs to maintain tourist loyalty. Business actors also hope that there will be tourism events held in the two tourist villages so that they can increase the number of tourists (Wulandari et al, 2016;Astuti et al, 2022).…”

Section: Indirect Economic Impactmentioning

confidence: 99%

Multiplier effect of Riam Bidadari tourism village on economic growth in Tabalong Regency, South Kalimantan

Rahmini,

Rahmatullah,

Fahrati

et al. 2024

ijss

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One of the problems faced by all regions in Indonesia is how to create high economic growth and reduce inequality. Tourism villages are considered capable of overcoming this problem. Tabalong Regency as a leading district must be able to capture the potential and opportunities with the presence of IKN in East Kalimantan as an area that directly borders. The agricultural and beauty potential that is owned in almost all sub-districts in Tabalong is an opportunity to increase people's welfare through the synergy of tourism and agriculture through agriedutourism. This study aims to analyze the multiplier effect of Riam Bidadari Tourism Village on the economic growth of Tabalong Regency. Data collection techniques in the form of observation and structured interviews with questionnaires. Data were processed descriptively using descriptive Keynesian multiplier analysis to identify the multiplier effect in Riam Bidadari Tourism Village, Tabalong Regency. The results of the study showed that the Keynesian Local Income Multiplier value in the Riam Bidadari Tourism Village was 3.78, the Type I Income Multiplier Ratio value was 1.08, and the Type II Income Multiplier Ratio value was 1.17.

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Section: Indirect Economic Impactmentioning

confidence: 99%

Multiplier effect of Riam Bidadari tourism village on economic growth in Tabalong Regency, South Kalimantan

Rahmini,

Rahmatullah,

Fahrati

et al. 2024

ijss

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“…According to Astuti et al (2022), the Jatiluhur Reservoir had a trophic status at the level of eutrophic-hypertrophic.…”

Section: Introductionmentioning

confidence: 99%

Benthic macroinvertebrates functional feeding group community distribution in rivers connected to reservoirs in the midstream of Citarum River, West Java, Indonesia

et al. 2023

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Abstract. Ilmi F, Muntalif BS, Chazanah N, Sari NE, Bagaskara SW. 2023. Benthic macroinvertebrates functional feeding group community distribution in rivers connected to reservoirs in the Midstream of Citarum River, West Java, Indonesia. Biodiversitas 24: 1773-1784. An imbalance in the composition of the feeding groups can indicate a disturbed environment; therefore, in recent years, feeding group composition analysis has been widely used by academics to assess the health of river ecosystems. This research aims to describe the general distribution of functional feeding groups related to their habitat condition. The research was conducted in the midstream of the Citarum River, around the Saguling, Cirata, and Jatiluhur Dams of West Java Province, Indonesia. The midstream Citarum region starts from the Margaasih Sub-district, Bandung District (before Saguling Dam) to the Jatiluhur Sub-district, Purwakarta District (after Jatiluhur Dam). The research was conducted from July to September 2022. Environmental data, including water and sediment samples, were taken monthly, whereas benthic macroinvertebrates samples were taken every two weeks using a Surber net. Benthic macroinvertebrates samples were then classified based on their species and feeding group. In addition, water pollution levels were classified based on Nemerow Pollution Index. Pollution levels and sediment characteristics were then tested for correlation with the benthic macroinvertebrate feeding group distribution. In general, in midstream Citarum, gathering collectors are the group with the highest relative abundance (82.64%), followed by scrapers (35.6%), predators (11.66%), and filtering collectors (2.14%). Based on Pearson's correlation, environmental conditions such as pollution and types of substrates have several negative correlations with the distribution of functional feeding groups. A dam in the midstream Citarum region has proven to affect environmental conditions. Differences in flow velocity, substrate characteristics, physicochemical quality of water, and pollution levels characterize this.

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“…The water quality is strongly influenced by various factors such as seasons, land use variation, and inland fishing activities [2]. The Citarum watershed, including the Cirata Reservoir, is heavily impacted by various industrial, agricultural, and residential activities, particularly in the Greater Bandung area upstream [3]- [5].…”

Section: Introductionmentioning

confidence: 99%

Utilizing Satellite Imagery for Seasonal Trophic Analysis in the Freshwater Reservoir

Rachmadita,

Widiana,

Rahmat

et al. 2023

J. Multidiscip. Appl. Nat. Sci.

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Eutrophication, an aquatic problem that impacts water quality and ecosystems, can be addressed through technological developments utilizing satellite imagery to analyze the trophic status of water. This study aimed to determine the trophic status of the freshwater reservoir in different seasons using satellite imagery. Water quality data were obtained from field surveys (11 samples) during the wet and dry seasons in Cirata Reservoir (Indonesia) while the remote sensing images were obtained from the Landsat-8 OLI. Trophic status refers to Carlson's Trophic State Index consisting of two parameters named chlorophyll-A and water transparency. This study found that satellite imagery could estimate seasonal trophic information. During the wet season, the algorithms determined information about chlorophyll-A (48%) and transparency (35%). Whereas during the dry season, the algorithms successfully estimated both information at 59% and 21%, respectively. Unfortunately, the Landsat-8 OLI had limitations for estimating total phosphorus. From these two parameters, the trophic status in the Cirata Reservoir showed moderate (wet season) and mild (dry season) eutrophic. Cirata Reservoir has a higher trophic level during the wet season since it has more surface water supply with lots of pollutants.

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Water Quality and Eutrophication in Jatiluhur Reservoir, West Java, Indonesia

Cited by 13 publications

References 7 publications

Multiplier effect of Riam Bidadari tourism village on economic growth in Tabalong Regency, South Kalimantan

Multiplier effect of Riam Bidadari tourism village on economic growth in Tabalong Regency, South Kalimantan

Benthic macroinvertebrates functional feeding group community distribution in rivers connected to reservoirs in the midstream of Citarum River, West Java, Indonesia

Utilizing Satellite Imagery for Seasonal Trophic Analysis in the Freshwater Reservoir

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