scholarly journals Jumlah dan Jenis Fitoplankton Di Muara Sungai Banjir Kanal Barat Semarang

2020 ◽  
Vol 9 (3) ◽  
pp. 261-270
Author(s):  
Anantya Setya Perdana ◽  
Raden Ario ◽  
Hadi Endrawati
Keyword(s):  
Water Quality ◽  
River Flow ◽  
Diversity Index ◽  
Evaluation Criteria ◽  
River Estuary ◽  
Aquatic Organisms ◽  
Household Waste ◽  
The West ◽  
Dominance Index ◽  
Polluted Waters

ABSTRAK: Muara Sungai Banjir Kanal Barat merupakan muara sungai terbesar di Semarang yang alirannya langsung menuju ke laut. Terdapat beberapa aktifitas yang terjadi di sepanjang aliran ini, diantaranya yaitu aktifitas industri dan pemukiman penduduk. Selain itu, adanya pembuangan limbah rumah tangga yang masuk ke dalam badan sungai yang juga berdampak bagi perubahan kualitas perairan serta kehidupan ekosistem di sepanjang aliran sungai tersebut. Fitoplankton merupakan organisme perairan yang keberadaannya dapat dijadikan sebagai indikator kualitas perairan. Penelitian ini bertujuan untuk mengetahui komposisi, kelimpahan, indeks keanekaragaman, indeks keseragaman, dan indeks dominasi fitoplankton di Muara Sungai Banjir Kanal Barat Semarang. Penelitian ini dilakukan pada Oktober-Desember 2019. Metode yang digunakan adalah metode deskriptif eksploratif. Pengambilan sampel dilakukan sebanyak tiga periode dengan interval dua minggu sekali di tiga stasiun. Stasiun 1 merupakan perairan air tawar, stasiun 2 merupakan muara dan stasiun 3 merupakan perairan air laut. Hasil penelitian menunjukkan bahwa terdapat 24 genus fitoplankton dari 3 kelas, yaitu 17 genus dari kelas Bacillariophyceae, 5 genus dari kelas Dinophyceae dan 2 genus dari kelas Cyanophyceae dengan kelimpahan terbesar terdapat pada Stasiun 3 sebesar 67669 sel/L dan terendah pada Stasiun 1 sebesar 52287 sel/L, indeks keanekaragaman termasuk kategori sedang. Indeks keseragaman termasuk dalam kategori tinggi, indeks dominansi termasuk dalam kategori tidak ada jenis yang mendominasi. Berdasarkan kriteria penilaian menurut Shannon – Wiener bahwa perairan tersebut tergolong ke dalam perairan tercemar sedang. ABSTRACT: The Banjir Kanal Barat River Canal is the largest river estuary in Semarang that flows directly to the sea. There are several activities that occur along this flow, including industrial activities and human settlements. In addition, the disposal of household waste that enters the river body also has an impact on changes in water quality and ecosystem life along the river flow. Phytoplankton is aquatic organisms whose existence can be used as indicators of water quality. This study aims to determine the composition, abundance, diversity index, uniformity index, and a dominance index of phytoplankton in the West Banjir Canal River Estuary in Semarang. This research was conducted in October-December 2019. The method used is a descriptive exploratory method. Sampling was conducted in three periods with biweekly intervals at three stations. Station 1 is freshwater waters, station 2 is estuary and station 3 is seawater waters. The results showed that there were 24 genera of phytoplankton from 3 classes, namely 17 genera from the Bacillariophyceae class, 5 genera from the Dinophyceae class and 2 genera from the Cyanophyceae class with the greatest abundance at Station 3 at 67669 cells/L and lowest at Station 1 at 52287 cells/L, the diversity index is in the medium category. Uniformity index is included in the high category, dominance index is included in the category of no species that dominates. Based on the evaluation criteria according to Shannon-Wiener that the waters are classified as medium polluted waters.

scholarly journals Analysis of water quality in Maninjau Lake, West Sumatera, Indonesia using phytoplankton

2018 ◽  
Vol 197 ◽  
pp. 13007
Author(s):  
Muhammad Arif Salsabil ◽  
Astri Rinanti ◽  
Melati Ferianita Fachrul
Keyword(s):  
Water Quality ◽  
Diversity Index ◽  
Inorganic Contaminants ◽  
Dominance Index ◽  
Average Value ◽  
Quality Of Water ◽  
Evenness Index ◽  
Polluted Waters ◽  
Research Show

This research aimed to analyze the water quality of Maninjau Lake (0°19'N 100°12'E, 0,317°S 100,2°E), West Sumatera, Indonesia by phytoplankton as bioindicator of water quality. The quality of water was determined by identified the phytoplankton. Analyzed phytoplankton as bioindicator with Diversity Index (H′), Evenness Index (E) and Dominance Index (D). The abundance of phytoplankton ranged 273-378 cell/liter, consists of three division which are Cyanophyta, Chrysophyta, and Chlorophyta. The average value of Diversity Index (H′) is 3.52 show that the waters classified as moderate, or indicating half-polluted waters. The average value of Evenness Index (E) is 0.92 indicating that the evenness of species is medium. The average value of Dominance Index (C) is 0.12, meaning there is not any phytoplankton dominance in the waters. Maninjau Lake is slightly polluted caused by organic and inorganic contaminants from many activities surrounding especially household and fish breeding activities. The research show that Maninjau Lake is in oligotrophic state or nutrient-deficient waters.

scholarly journals Struktur Komunitas Makrozoobenthos Sebagai Indikator Kualitas Perairan di Pantai Serangan Provinsi Bali

2018 ◽  
Vol 5 (1) ◽  
pp. 36
Author(s):  
Yulihatul Meisaroh ◽  
I Wayan Restu ◽  
Dewa Ayu Angga Pebriani
Keyword(s):  
Water Quality ◽  
Species Distribution ◽  
Quantitative Method ◽  
Diversity Index ◽  
Small Island ◽  
Dominance Index ◽  
Know How ◽  
Wiener Diversity Index ◽  
Transportation Routes ◽  
Polluted Waters

Serangan Island is a small island located approximately 5 km in south of Denpasar City and has a maximum length of 2.9 km and a width of 1 km which is administratively as part of the Denpasar City, Bali Province. Serangan Island is widely used for aquaculture and fisheries activities, moreover Serangan is also used as tourism activities, transportation routes, the harbour of ships and residences which may have impact on the aquatic ecosystem balance. The purpose of this research is to know how the structure of macrozoobenthos community and the water quality condition in Serangan Island. The research was conducted on February to March 2017 by using descriptive quantitative method in 3 research stasions. The result showed that there are 23 species of macrozoobenthos that consists of 7 classes, namely Gastropods, Bivalve, Crustacea, Echinoidea, Asteroidea, Ophiuroidea, and Holothuroidea. The highest total of abundance was at station 1 about 46,8 ind/m2. The diversity index ranged from 0,66-2,14  and the equibility index ranged from 0,60-0,81, while the dominance index ranged from 0,17-0,63. Based on the criteria of the Shanon-Wiener diversity index (H'), the diversity index at station 1 and 2 indicates moderate diversity which has moderate species distribution and moderately polluted waters, whereas the value of the diversity index at station 3 indicates that the diversity in this stasion is low, showed by low abundance of species, low stability of the community and severe polluted condition.

scholarly journals The Structure of Macrozoobenthos Community as a Bioindicator of Water Quality in Gilimanuk Bay, Jembrana Regency, Bali

2021 ◽  
Vol 5 (2) ◽  
pp. 57
Author(s):  
Yohana Christanti Ndale ◽  
I Wayan Restu ◽  
Ni Putu Putri Wijayanti
Keyword(s):  
Water Quality ◽  
Community Structure ◽  
Diversity Index ◽  
Water Area ◽  
Dominance Index ◽  
Know How ◽  
Quantitative Descriptive ◽  
Polluted Waters ◽  
Descriptive Method

Gilimanuk Bay is a water area located in Melaya District, Jembrana Regency, West Bali Region. In this area, there are development and human activities that have an impact on the quality of the waters so that they interfere with the life of organisms such as macrozoobenthos. Macrozoobenthos can be the bioindicator that determining the condition in a water area. The decline of the macrozoobenthos community structure is an indicator of a disturbance in the ecosystem in these waters. The purpose of this research to know how community structure of macrozoobenthos and the condition of the water quality in Gilimanuk Bay. This research was conducted in June to July 2020. The research used the quantitative descriptive method, with 3 of the research stations. Based on the result of the research, it has found 45 species of macrozoobenthos that included from 5 classes, there are Gastropods, Bivalves, Crustaceans, Polychaeta and, Sipunculidea. The highest total abundance was at station 3, namely 534.33 ind/m2, station 1 is 522.00 ind/m2 and the lowest abundance is at station 2, namely 371.33 ind/m2. The diversity index obtained was classified as moderate, which ranges from 1.53-1.89, the uniformity index is classified as moderate, which ranges from 0.47-0.57, while the dominance index is low to moderate, which ranges from 0.29-0.44. Based on the macrozoobenthos community structure and the interrelation with water quality, Gilimanuk Bay is classified as moderately polluted waters.

scholarly journals Diversitas Makrofauna Kaitannya Dengan Kualitas Air Sungai Metro Kecamatan Lowokwaru Kota Malang

2020 ◽  
Vol 6 (1) ◽  
pp. 28-32
Author(s):  
Novi Komariah ◽  
Saimul Laili ◽  
Hari Santoso
Keyword(s):  
Water Quality ◽  
Water Resources ◽  
River Water ◽  
Natural Resource ◽  
River Flow ◽  
Diversity Index ◽  
River Water Quality ◽  
Living Things ◽  
Quantitative Descriptive ◽  
Macrofauna Community

Water is a natural resource that is needed for the life of human being, even for all the creatures. Therefore, these water resources must be protected so that humans and other living things can be utilized properly. The macrofauna community defines whether the water quality is good or not. The study of the effect of river water quality on the diversity of macrofauna in the Metro river flow of Lowokwaru Subdistrict, Malang City aims to determine the effect of river water quality and to compare the diversity of macrofauna in several Metro river locations in Lowokwaru District, Malang. The method used is quantitative descriptive by calculating the Shanon Winner diversity index. The results obtained for station I amounted to 1.95 classified as lightly polluted, at station II the results were 1,007 which were classified as moderately polluted, and at station III the results were 0.69 which were classified as heavily polluted. Key Words: water quality, macro fauna, Metro river ABSTRAK Air merupakan sumber daya alam yang diperlukan untuk kebutuhan hidup orang banyak, bahkan oleh semua makhluk hidup. Oleh karena itu, sumber daya air tersebut harus di lindungi agar tetap dapat di manfaatkan dengan baik oleh manusia dan makhluk hidup lainnya. Komunitas makrofauna menentukan kualitas air baik atau tidak. Penelitian tentang pengaruh kualitas air sungai terhadap keragaman makrofauna di aliran sungai Metro Kecamatan Lowokwaru kota Malang bertujuan untuk mengetahui pengaruh kualitas air sungai dan untuk membandingkan keanekaragaman makrofauna di beberapa lokasi aliran sungai  Metro Kecamatan Lowokwaru kota Malang. Metode yang di gunakan yaitu deskriptif kuantitatif dengan melakukan perhitungan indeks keanekaragaman Shanon Winner. Indeks keanekaragaman yang di hasilkan pada stasiun I sebesar 1,95 yang tergolong tercemar ringan, pada stasiun II indeks keanekaragaman yang di hasilkan sebesar 1,007 yang tergolong tercemar sedang, dan pada stasiun III di dapat hasil indeks keanekaragaman 0,69 yang tergolong tercemar berat. Kata kunci: Kualitas air, makrofauna, sungai metro.

scholarly journals STUDI KEANEKARAGAMAN DAN STRUKTUR KOMUNITAS PERIFITON DI PERAIRAN SUNGAI COBAN RONDO MALANG

2020 ◽  
Vol 1 (2) ◽  
pp. 93-97
Author(s):  
Zainal Abidin
Keyword(s):  
Water Quality ◽  
Cluster Analysis ◽  
Community Structure ◽  
Environmental Changes ◽  
Aquatic Organisms ◽  
Dominance Index ◽  
Periphyton Community ◽  
Similarity Indices ◽  
And Cluster Analysis ◽  
Index Value

Periphyton is a community of microorganisms that live attached to or adjacent to a substrate sink. For aquatic organisms, periphyton habitats have a relatively fixed. With it is so, the changes of water quality and substrate greatly affects the composition of his life and abundance. Periphyton composition and abundance depends on the tolerance or sensitivity to environmental changes. This study aims to determine each periphyton community in responding to changes in habitat quality by way of adjustment in community structure. The methodology used in this prektikum involves taking data from four stations along the river Coban Rondo, in each station there are 3 replicates. And take measurements of factors such environments as supportive data turbidity, flow rate, pH, and depth. Analyzed using Simpson's Dominance Index to determine the type of periphyton dominance, as well as morisita similarity indices and cluster analysis. The results showed that the diversity in each station belonging to the category of high (H more than 3.32) because the obtained value of the index H' between 3.2 to 3.48. Species that dominate from the four stations is Pinularia with an average Index Value Important (IVI) 31,5.

scholarly journals Analisis pola transportasi sedimen terhadap sebaran plankton dan daerah penangkapan ikan muara Sungai Kampar

Jurnal Zona ◽  
2021 ◽  
Vol 2 (1) ◽  
pp. 12-22
Author(s):  
Heru Purnomo ◽  
Rifardi Rifardi ◽  
Mubarak Mubarak
Keyword(s):  
Sediment Transport ◽  
Diversity Index ◽  
Survey Methods ◽  
River Estuary ◽  
Data Interpretation ◽  
Fishing Ground ◽  
The West ◽  
Plankton Diversity ◽  
West Monsoon ◽  
Interpretation Method

This study aimed to analyze the pattern of sediment transport to the distribution of plankton and fishing ground in the estuary of KamparRiver. This study used survey methods, the study sample was obtained in the field are considered to represent the Kampar River estuary. Then the sampling results in the form of TSS, brightness, temperature, salinity, pH, flow velocity and plankton descriptively analyzed and discussed with reference to data interpretation method by using mathematical models (software mike21 ). The results showed the concentration distribution of sediment at the mouth of the Kampar River in east monsoon amounted to 8.76 million tons / day and in the west monsoon amounted to 7.64 million tons / day. A region prone to silting due to sediment transport is periodically southeastern portion Mendol. Based on the analysis modeling , plankton diversity index tends to be low in the study site so that the waters around the Mendol island excluding strategic area for fishing grounds it is indicated there has been a downward trend in plankton diversity index as the primary productivity . The existence of TSS may hinder the penetration of light that ultimately affect the photosynthetic plankton.

scholarly journals STRUKTUR KOMUNITAS MAKROZOOBENTOS DI PERAIRAN TELUK JAKARTA

2017 ◽  
Vol 13 (2) ◽  
pp. 105
Author(s):  
Sri Turni Hartati ◽  
Awwaluddin Awwaluddin
Keyword(s):  
Water Quality ◽  
Organic Matter ◽  
Community Structure ◽  
Diversity Index ◽  
Homogeneity Index ◽  
Total Organic Matter ◽  
Dominance Index ◽  
Water Condition ◽  
Substrate Texture ◽  
Low Diversity

Analisis struktur komunitas makrozoobentos dilakukan terkait dengan upaya pemantauan kondisi perairan Teluk Jakarta dengan membagi perairan ini menjadi 4 wilayah, yaitu A, B, C, dan D. Zona A terletak terjauh dari daratan, kurang lebih 20 mil dan wilayah D semakin mendekat daratan dengan jarak kurang lebih 5 mil. Analisis yang dilakukan meliputi komposisi jenis, kepadatan, keanekaragaman, keseragaman, dominansi, dan beberapa parameter kualitas perairan yang mendukung seperti kedalaman, suhu, kecerahan, kecepatan arus, salinitas, oksigen terlarut (DO), pH, total organik matter, dan tekstur substrat. Hasil penelitian menunjukkan bahwa makrozoobentos yang ditemukan terdiri atas 5 kelas, 42 famili dan 63 genera. Pada wilayah A ditemukan makrozoobentos dari kelas Scaphopoda, Gastropoda, Bivalva, Malacostraca, dan Polychaeta yang didominasi oleh Scaphopoda. Pada wilayah B, C, dan D ditemukan makrozoobentos dari kelas Bivalva, Scaphopoda, Gastropoda, dan Malacostraca, jenis yang mendominasi ke-3 wilayah tersebut adalah Bivalva. Kepadatan makrozoobentos berkisar antara 2,2x103 sampai dengan 3,2x105 ind.m-2. Indeks Keanekaragaman berkisar antara 0,55 sampai dengan 2,95 yang berarti keanekaragaman rendah. Indeks Keseragaman berkisar antara 0,14 sampai dengan 0,79, nilai tersebut termasuk dalam kategori rendah sampai dengan tinggi. Nilai Indeks Dominansi berkisar antara 0,17 sampai dengan 0,86 yang berarti dominansi rendah sampai dengan tinggi. Dominansi terjadi di wilayah D yaitu di stasiun D4 dengan jenis dominan Donax sp. dari kelas Bivalva. Parameter perairan Teluk Jakarta pada umumnya cukup mendukung untuk kehidupan makroozoobentos. The community structure analysis on macrozoobenthos was conducted in relation to the monitoring action of water condition on Jakarta Bay. The bay was classified into 4 zones, such as A, B, C,and D. The zone A is located approximately 20 miles from land and the zone D is nearest (5 miles) from land. The analysis comprised of species composition, abundance, diversity, homogeneity, dominance, and other parameters of water quality such as depth, temperature, tranparancy, current velocity, salinity, dissolved oxygen, pH, total organic matter, and substrate texture. The results show that there were 5 classes of macrozoobenthos, consisting of 42 families and 63 genera. There were Scaphophods, Gastrophods, Bivalvas, Malacostracans, and Polychaetas found in zone A with regard to Scaphophods domination. There were only Bivalvas, Scaphophods, Gastrophods, and Malacostracans found in zone B, C, and D with regard to Bivalvas domination. The abundance of these macrozoobenthos ranged from 2.215 to 323.100 ind.m-2. The diversity index ranged from 0.55 to 2.95 indicating low diversity. The homogeneity index ranged from 0.14 to 0.79, indicating the low to high category. The dominance index was about 0.17 to 0.86, showing the variety water condition. A species, Donax sp. (Bivalva) was most dominant in Zone D (St D4) The parameters of water qualitying Jakarta Bay might be in general to support the life of macrozoobenthos.

scholarly journals Keanekaragaman Dan Dominansi Pohon Penyusun Hutan Lindung Di Pulau Marsegu Kabupaten Seram Bagian Barat

2021 ◽  
Vol 5 (2) ◽  
pp. 94-100
Author(s):  
Stelita Rosita Latumahina ◽  
Deli Wakano ◽  
Dece Elisabeth Sahertian
Keyword(s):  
Life Support ◽  
Diversity Index ◽  
Stable Condition ◽  
Index Formula ◽  
The West ◽  
Dominance Index ◽  
Vegetation Diversity ◽  
Shape Structure ◽  
Belt Transect ◽  
The Many

Maluku is known as an archipelago and has high biodiversity. One of the many islands in Maluku that has biological natural resources is Marsegu Island in the West Seram district. Marsegu Island has a very high diversity of marine resources, various types of birds and various vegetation diversity of trees. The diversity of trees in vegetation shows a variety of compositions, both variations in shape, structure or morphology, color, number, and other characteristics of plants in an area. Tree vegetation is the main constituent of forest areas and has an important function in water management, germplasm reserves, life support, development resources and sources of foreign exchange. This study aims to determine the diversity and dominance of protected forest trees on Marsegu Island, West Seram district. The method used in this research is the belt transect method. Furthermore, the tree species were identified based on the identification book. Data were analyzed using the diversity index formula from Shannon-Wienner and Simpson dominance index. The results of research conducted in the eastern and western parts of Marsegu Island found 22 species of trees as the protected forest on Marsegu Island. The Diversity Index at both stations is in the medium category with the results obtained that the east station is 2.2652 while the west station is 2.3761 and is in a stable condition, while the Dominance Index at both stations is low with the results obtained that the eastern station is 0.1618 while the west 0.1135 and no species dominates.

scholarly journals Diversity of Planktonik Diatom at Bengkalis Waters, Riau Province

2021 ◽  
Vol 934 (1) ◽  
pp. 012074
Author(s):  
S H Siregar ◽  
M Mubarak
Keyword(s):  
Water Quality ◽  
Diversity Index ◽  
Polluted Water ◽  
Survey Method ◽  
Normal Range ◽  
Biological Index ◽  
Dominance Index ◽  
Biological Indices ◽  
Planktonic Diatoms ◽  
Planktonic Diatom

Abstract This research was carried out in August to September 2019 at Bengkalis Waters, Riau Province. This study goals to describe the water quality statues and to determine the species composition, abundance and biological index of planktonic diatom in the Bengkalis waters. Survey method was applied in this research which are 5 stations established, with 3 sampling points in each station. The stations were determined purposively based on antrophogenic activities conducted in that area. Diatom samples were filtered from surface water as much as 100 liters by using plankton net number 25, and the samples were then observed using an Olympus CX 21 microscope (magnification 10 x 10 and 10 x 40) and were identified. The value of water quality at each station indicates that the water is in normal range and it may support the growth of diatoms. There were 20 spesies of planktonic diatoms recorded in the Bengkalis waters. There were 2 species, namely Coscinodiscus sp. and Navicula sp. that were found in each station. Meanwhile, the abundance of plankatonic diatoms ranged from 23,041.80 to 286,693.18 ind/l. The average of biological indices values are as follows: diversity index 1.39-2.32, dominance index 0.24 to 0,48 ind / l, and the uniformity index 0.55 to 0.87 ind / l. The biological indices values indicated that the Bengkalis Waters can be categorized as moderate polluted water and there is no dominant species.

STRUKTUR KOMUNITAS MAKROZOOBENTOS DI SUNGAI PAKIL KABUPATEN BANGKA

2018 ◽  
Vol 12 (2) ◽  
pp. 54-63
Author(s):  
Desinawati Desinawati ◽  
Wahyu Adi ◽  
Eva Utami
Keyword(s):  
Water Quality ◽  
Community Structure ◽  
Current Velocity ◽  
Diversity Index ◽  
Mining Activities ◽  
Dominance Index ◽  
Sand Fraction ◽  
Effect Of Water ◽  
Low Diversity ◽  
Macrozoobenthic Community

Pakil River which is located in Paya Benua Village, West Mendo District, Bangka Regency. This river has an impact from mining activities which then affect the macrozoobenthos community. The purpose of this study was to determine the macrozoobenthic community structure in the Pakil River and determine the effect of water quality on macrozoobenthos in the Pakil River. The study was conducted in April 2018 in the waters of the Pakil River, Paya Benua Village, West Mendo District, Bangka Regency. The macrozoobentos sample was taken purposively at 6 observation stations. The results showed that 4 species of macrozoobenthos. With a diversity index of 0.9195 in the category of low diversity, uniformity index of 0.663 was classified as stable and the dominance index of 0.4425 was in the medium category. The effect of TSS parameters and depth greatly affect the life of the macrozoobenthos, while the ones that have sufficient influence are the parameters of current velocity and DO, then those that have no effect are the parameters of pH, temperature and sand fraction.

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