Komposisi, Kemelimpahan dan Keanekaragaman Fitoplankton Danau Rawa Pening Kabupaten Semarang

Samudra, Sesilia Rani; Soeprobowati, Tri Retnaningsih; Izzati, Munifatul

doi:10.14710/bioma.15.1.6-13

Cited by 18 publications

(20 citation statements)

References 3 publications

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“…in waters indicates eutrophication. Samudra et al (2013) stated that Mycrocystis sp. is phytoplankton, which can be used as an indicator of polluted waters as it is toxic.…”

Section: Resultsmentioning

confidence: 99%

Spatial and temporal distribution of phytoplankton with emphasis on the harmful and toxic algae in the Limboto Lake

Kadim

Sahami

Hasiru

2020

Tomini J. Aquat. Sci.

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This study aims to describe Limboto Lake's condition based on the spatial-temporal abundance of phytoplankton and the presence of harmful algae species. Sampling was conducted in February, March, and April 2018 at six stations. The phytoplankton found in Limboto Lake consisted of 7 divisions from 80 species, namely Chlorophyta (35 species), Euglenophyta (17 species), Bacillarophyta (13 species), Cyanophyta (7 species), Cryptophyta (4 species), Dinophyta (3 species) and Chyrosphyta (1 species). The results of the phytoplankton distribution analysis in Limboto Lake varied on average among stations as well as observation times. The results show that the average of phytoplankton abundance at stations 1, stations 2, stations 3, and stations 4 categorized as medium polluted waters with 4,903 ind/L, 5,000 ind/ L, 9,418 ind/L, and 10,049 ind/L, respectively. The abundance at station five is included in the lightly polluted category with an average phytoplankton abundance of 1,541 ind/L, while station 6 is in the heavily polluted category with the average value of 20,894 ind/L. Species that can be used as indicator species for pollution are those with the highest abundance value, namely Microcystis sp., which indicates that Limboto Lake contains high nitrate and phosphate.

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“…in waters indicates eutrophication. Samudra et al (2013) stated that Mycrocystis sp. is phytoplankton, which can be used as an indicator of polluted waters as it is toxic.…”

Section: Resultsmentioning

confidence: 99%

Spatial and temporal distribution of phytoplankton with emphasis on the harmful and toxic algae in the Limboto Lake

Kadim

Sahami

Hasiru

2020

Tomini J. Aquat. Sci.

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“…Eutrofikasi danau yang menyebabkan pesatnya perkembangan eceng gondok (Heriza, Sukmono, & Bashit, 2018;Yuningsih, Soedarsono, & Anggoro, 2014) (Soeprobowati, 2017). Saat ini kondisi Danau Rawapening sudah termasuk kategori eutrofik menuju hipereutrofik (Samudra, Soeprobowati, & Izzati, 2013).…”

Section: Kata Kunci: Bencana Lingkungan; Eutrofikasi; Pengelolaan Lanskap I Pendahuluanunclassified

TATAKELOLA LANSKAP RAWAPENING BERDASARKAN TINGKAT RESIKO BENCANA LINGKUNGAN DI SUB DAS RAWAPENING (Landscape governance of Rawapening based on the level of environmental disaster risk in the Rawapening Sub Watershed)

Mardiatno¹,

Faridah²,

Sunarno³

et al. 2021

JPPDAS

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Lake ecosystem balance is influenced by the interaction and interrelation of upstream and downstream processes of catchment. Environmental degradation upstream affects the trophic status of the lake, triggering the risk of environmental disasters. Integrated lake management is a form of governance to achieve sustainable development goals. This study aims to analyze the implementation of the Rawapening Lake management program plan spatially by considering the environmental risk conditions of the Rawapening catchment area. Semi-quantitative analysis is used to assess the level of disaster risk in Rawapening catchment area. The zoning results of environmental disaster risk areas are used as the basis for the implementation of the 2019 Rawapening lake management plan descriptively. The results showed that Rawapening catchment area has a very low, low, medium, high, and very high risk levels. Panjang Sub Watersheds, Galeh Sub Watersheds, Parat Sub Watersheds, Sraten Sub Watersheds have a high to very high risk level. The Rengas Sub Watershed, Torong Sub Watershed falls into the medium risk category. Low to very low risk levels are scattered in the Legi Sub Watershed, the Kedung Ringis Sub Watershed, and the Ringis Sub Watershed. The complexity of the problems in the agricultural, livestock, residential and industrial sectors is the main contributor to sediment and pollutants in the lake system. The integration of upstream and downstream processes is used as a consideration in conducting spatial planning for Rawapening Lake management to achieve management objectives

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“…Peridinium sp is a Dinophyta division phytoplankton organism, it well known as Dinoflagellate (Samudra et al, 2013). Peridinium is one of phytoplankton which is frequently found and predominantly grew in tropical lake water (Rengefors and Legrand, 2001).…”

Section: Dominance Indexmentioning

confidence: 99%

Plankton Community Structure as Bioindicator Trophic Status of Jatigede Reservoir Waters

Rosadi

Musa

Lelono

2020

RJLS

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Jatigede Reservoir in Sumedang Regency is a land mass planning designed as a multi-function reservoir. The main water source for this reservoir is from Cimanuk River, which flows through Garut Regency, and has many industrial activities around the river flow. This research was conducted to assess the trophic status of water pollution in Jatigede Reservoir by utilizing plankton as a bioindicator agent. Samples were collected from 9 observation stations from November 2018 until January 2019. The results showed that 26 species of phytoplankton from 7 divisions including Dinophyta, Cyanophyta, Chlorophyta, Chrysophyta, Euglenophyta, Bacillariophyta, and Charophyta was found in Jatigede Reservoir at about 461 ind/m3. Zooplankton abundance of 6 species from 2 divisions of Rotifera and Copepoda at 2 ind/m3. The average phytoplankton diversity index was 0.93 and zooplankton diversity index was 0.23. The average phytoplankton evenness index was 0.44 and zooplankton evenness index was 0.24. The average dominance of phytoplankton was 0.58 and dominance of zooplankton was 0.25. Based on the plankton community structure, the trophic status of Jatigede Reservoir was classified to moderate polluted (eutroph) to heavily pollutants (hypereutroph). The dominant species was Perinidium sp from Dinophyta division.

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Komposisi, Kemelimpahan dan Keanekaragaman Fitoplankton Danau Rawa Pening Kabupaten Semarang

Cited by 18 publications

References 3 publications

Spatial and temporal distribution of phytoplankton with emphasis on the harmful and toxic algae in the Limboto Lake

Spatial and temporal distribution of phytoplankton with emphasis on the harmful and toxic algae in the Limboto Lake

TATAKELOLA LANSKAP RAWAPENING BERDASARKAN TINGKAT RESIKO BENCANA LINGKUNGAN DI SUB DAS RAWAPENING (Landscape governance of Rawapening based on the level of environmental disaster risk in the Rawapening Sub Watershed)

Plankton Community Structure as Bioindicator Trophic Status of Jatigede Reservoir Waters

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