Studi Kelimpahan Dan Keanekaragaman Kepiting Di Hutan Mangrove Dan Padang Lamun Di Pantai Mertasari

The ecosystem of mangroves and seagrass in Mertasari Beach are located nearby and and inhabited with various species that coexist, One of the association’s creature in mangrove ecosystem and seagrass ecosystem is crab. There were a habitat selection of crabs, so it does possible to find the same species in the mangrove ecosystem and seagrass ecosystem. This research aims to know the type, abundance and diversity of crabs in the Mertasari Beach on two different ecosystems such as mangrove and seagrass ecosystem. The research were conducted in January until February 2017. In this research the Random sampling method was used to create a 1x1m2 square placed on 5 substations at each research station. Crab sampling was conducted at the lowest tide and has been done twice in a month. The results showed there were 7 families with 20 species. In both ecosystem were found 3 spesies such as Scylla serrata, Grapsus albolineatus and Myomenippe fornasinii. This happens because of several factors, like the tidal and the flow of the river into habitat removal by crabs. The highest abundance of crabs was found in mangrove stations of 411 individuals/m2, while at the seagrass station were 93 individuals/m2 due to food availability and environmental conditions. The highest value diversity index (H) at mangrove station was 1.94 and seagrass station of 1.73 with moderate category indicated in those area had sufficient productivity, conditions of the ecosystem is pretty balanced and moderate ecological pressure.

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The abundance and diversity of Mollusks in mangrove ecosystem at coastal area of North Sulawesi, Indonesia

Biodiversitas Journal of Biological Diversity ◽

10.13057/biodiv/d200408 ◽

2019 ◽

Vol 20 (4) ◽

pp. 987-993 ◽

Cited By ~ 2

Author(s):

DEWI WAHYUNI K. BADERAN ◽

MARINI SUSANTI HAMIDUN ◽

RAMLI UTINA ◽

SUKIRMAN RAHIM ◽

RIFAL DALI

Keyword(s):

Relative Density ◽

Coastal Area ◽

Sampling Method ◽

Diversity Index ◽

Wiener Index ◽

Mangrove Ecosystem ◽

Research Station ◽

Plot Size ◽

North Sulawesi ◽

Abundance And Diversity

Abstract. Baderan DWK, Hamidun MS, Utina R, Rahim S, Dali R. 2019. The abundance and diversity of Mollusks in mangrove ecosystem at coastal area of North Sulawesi, Indonesia. Biodiversitas 20: 987-993. The study reported in this paper sought to analyze the abundance and diversity of Mollusks species in the coastal mangrove areas of Panango in North Sulawesi, Indonesia. Data collected in the study lent support to policy making in reducing the loss of marine biotic species in the coastal mangrove areas. Data collection used stratified-random sampling method (plot size was 10 m x 10 m) with three plots at each research station was used. Data analyzed by Odum formula for abundance, Shannon Wiener index for diversity and evenness index for evenness. The samples were collected from 2 research station covering 15 sampling sites. This research found 14 families of mollusks comprised of 11 gastropod families (21 species) and bivalve families (3 types). The highest of the relative density was found in Terebralia sp (24,24%), and the lowest relative density was obtained (1,52%) in the following species: Spondylus violaceus, Conus sp., Semiricinula turbinoides, and Faunus ater. The diversity index of mollusks species (Gastropoda and Bivalvia) at the observation station was classified as a high category, indicating by H’ >3,32 (Station I H’= 2,19 and Station II H’= 2,12). The evenness value in range 0,4<e<0,6. This indicates that the Mollusks species found in the research site had a medium amount. This study suggests a need to regulate mangrove areas of Panango for sustainable mangrove ecosystems management.

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Makrozoobenthos Gastropoda pada Vegetasi Mangrove di Pesisir Utara, Semarang

BULETIN OSEANOGRAFI MARINA ◽

10.14710/buloma.v8i1.22453 ◽

2019 ◽

Vol 8 (1) ◽

pp. 37

Author(s):

Haryo Farras Raditya Hutama ◽

Retno Hartati ◽

Ali Djunaedi

Keyword(s):

Community Structure ◽

Sampling Method ◽

Diversity Index ◽

Secondary Data ◽

Mangrove Ecosystem ◽

Sampling Location ◽

Research Station ◽

Purposive Sampling ◽

Data Density ◽

Index Value

Kerusakan hutan mangrove yang terjadi karena adanya aktivitas manusia cukup mengkhawatirkan dan berpengaruh terhadap kelangsungan hidup biota yang hidup didalamnya, salah satunya adalah Gastropoda. Penelitian ini dilakukan untuk mengetahui komposisi jenis makrozoobenthos gastropoda dan menganalisa struktur komunitasnya. Pengambilan sampel dilaksanakan pada bulan Maret 2015 di 4 lokasi yakni Mangunharjo, Mangkang Wetan, Pantai Maron dan Trimulyo, Semarang. Penentuan lokasi sampling dengan metode purposive sampling method terbagi dari kelebatan mangrove lebat, sedang dan jarang pada setiap lokasi penelitian dengan pertimbangan pengaruh aliran sungai terhadap parameter disetiap stasiunnya.Klasifikasi kelebatan mangrove berdasarkan data sekunder kerapatan mangrove Pesisir Utara Semarang 2015. Pengambilan sampel gastropoda menggunakan metode kualitatif dengan transek 5m x 5m dan 1m x 1m dengan jumlah stasiun sebanyak 8 dan 3 kali pengulangan pada setiap stasiunnya. Hasil penelitian ditemukan 8 jenis spesies yang terdiri dari 4 famili yang berbeda.Famili Potamididae paling banyak ditemukan dengan jumlah 4 spesies. Ditemukan satu spesies Famili Neriitidae yakni Nerita sp. serta satu spesies Famili Ellobiidae yakni Cassidula sp.. Kelimpahan tertinggi terdapat pada Stasiun MR1 (25.667 ind./75m2) dan terendah distasiun MW3 (0.107 ind./75m2). Nilai Indeks Keanekaragaman masuk dalam kategori sedang, sedangkan nilai indeks keseragaman dalam kategori tinggi.Dalam penelitian ini menemukan spesies yang mendominasi pada 2 stasiun yaitu Stasiun MW1 dan MR1. The damage of the mangrove ecosystem which occur due to human activity is quite alarming and effect on the survival of biota that lived in it, one which is Gastropods. This research was conducted to find out the composition of macrozoobenthos gastropods and analyze its community structure. Sampling did on March 2015 at 4 locations, i.e., Mangunharjo, Mangkang Wetan, Maron and Trimulyo, Semarang. This study was conducted to determine and identify the community structure of gastropod macrozoobenthos in mangrove vegetation on the coast of Semarang The determination of sampling location use purposive sampling method that divide the dense mangrove luxuriance, moderate and rarely at location research. The dense mangrove classification based on secondary data from the landsat image of 8 and the data density of mangrove North Coastal Semarang 2015. Sampling use qualitative method with 5 m x 5 m transects and 12 stations with three-time repetitions for each stations. The results found gastropods 8 types of species comprising in 4 different families. Potamididae family is the most dominant where found 4 species. One species of Neriitidae family is found which Nerita sp. and one species of the Ellobidae family is also found, which Cassidula sp.. The highest abundance was found on Station MR1 (25.667 ind./75m2) and the lowest in station MW3 (0.107 ind./75m2). The value of the Diversity Index can be category as average while the Equitability Index value is high. In this study, found there is 2 dominance species on the whole research station, one at MW1 and the other at MR1.

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Abundance and Diversity of Diatom Class Bacillariophyceae as Bioindictaor of Pollution in the Waters of Tanjung Luar Fish Landing Based

JURNAL BIOLOGI TROPIS ◽

10.29303/jbt.v20i3.2343 ◽

2021 ◽

Vol 20 (3) ◽

pp. 525

Author(s):

Niswatul Audah ◽

Lalu Japa ◽

M. Yamin

Keyword(s):

Random Sampling ◽

Sampling Method ◽

Diversity Index ◽

Similarity Index ◽

Pollution Level ◽

Dominance Index ◽

Systematic Random Sampling ◽

Species Similarity ◽

Sample Points ◽

Abundance And Diversity

Tanjung Luar is coastal water used as a waste disposal area for Fish Landing Based (FLB) activities. However, the condition of the waters with phytoplankton as a bioindicator has never been reporting. This research aims to know Bacillariophyceae in terms of abundance, diversity, and measurement of environmental pollution variables. Methods Sampling at the study location was determined by a systematic random sampling method. Data analysis Bacillariophyceae were determined using formula abundance, diversity index, and dominance index. The index of similarity of species between sample points was determined based on the Bray-Curtis Cluster Analysis. Furthermore, the results showed an abundance of Bacillaryophyceae of 322,000 individuals / L classified as low, the diversity index of Bacillariophyceae of 2.162 classified as moderate, and a dominance index of 0.138 (without dominating species). The results showed that the highest species similarity index was between sample points II and III (57.9%), and the lowest species similarity index between sample points I and II was 23.7%. Water pollution on the waters of PPI Tanjung Luar is classified as moderate pollution level and oligotrophic fertility.

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IDENTIFIKASI GASTROPODA DI SUB DAS ANAK SUNGAI GANDONG DESA KERIK TAKERAN

Florea Jurnal Biologi dan Pembelajarannya ◽

10.25273/florea.v2i2.416 ◽

2015 ◽

Vol 2 (2) ◽

Author(s):

Mustika Wahyuning Tyas ◽

Joko Widiyanto

Keyword(s):

Qualitative Research ◽

Observational Study ◽

Site Selection ◽

Research Method ◽

Sampling Method ◽

Diversity Index ◽

Environmental Parameters ◽

Research Station ◽

Dominance Index ◽

Transect Sampling

The aim of research to determine the diversity and Gastropod that predominate in sub watershed tributary village Gandong Takeran Kerik. Descriptive qualitative research method with type of observational study. Determination and site selection studies using transect sampling method, the size of 1x1 m transect quadrant. Research station at 3 stations with 3 points each station. The data was analyzed after identifying the calculation dominance index and diversity index. Gastropod identification results found 4 genera Thiara, Melanoides, Brotia, and Clea. The highest abundance of gastropods at station II, namely 13.7 ind/m2. Thiara highest dominance index is 0.654, indicating that Thiara mendominansi in sub watershed tributary village Gandong Takeran Kerik. Diversity index of each station 0.617, 0.765, and 0.615, indicating that the diversity of gastropods in sub watershed tributary village Gandong Takeran Kerik is very low. Environmental parameters air temperature 30C - 31C, 28C - 29C water temperature, pH 7 to 7.3, and dissolved oxygen (DO) 5mg /l - 5,4mg /l.

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Estimasi Simpanan Karbon Pada Ekosistem Mangrove Di Desa Pasar Banggi Dan Tireman, Kecamatan Rembang Kabupaten Rembang

Journal of Marine Research ◽

10.14710/jmr.v8i1.24330 ◽

2019 ◽

Vol 8 (1) ◽

pp. 62-68

Author(s):

Riani Mardliyah ◽

Raden Ario ◽

Rudhi Pribadi

Keyword(s):

Carbon Storage ◽

Sampling Method ◽

Plant Biomass ◽

Mangrove Ecosystem ◽

The Body ◽

Research Station ◽

Body Parts ◽

Ecological Functions ◽

Purposive Sampling ◽

Mangrove Trees

Ekosistem mangrove memiliki fungsi ekologis sebagai penyerap dan penyimpan karbon. Mangrove menyerap CO2 pada saat proses fotosintesis, kemudian mengubahnya menjadi karbohidrat dengan menyimpannya dalam bentuk biomasa. Tujuan penelitian untuk mengestimasi simpanan karbon pada tegakan dan substrat mangrove yang berada di Desa Pasar Banggi dan Desa Tireman, Kabupaten Rembang. Pengambilan sampel dilakukan pada bulan Juni - Juli 2018. Metode yang digunakan yaitu purposive sampling method dan eksploratif, dengan dasar pertimbangan berupa jenis, kerapatan serta diameter pohon mangrove. Pengambilan sampel dilakukan di tiga stasiun dengan kondisi rapat, sedang dan jarang. Setiap stasiun penelitian dibagi menjadi tiga plot penelitian, pengukuran diameter pohon dilakukan pada transek ukuran 10 x 10 m, diameter yang di ukur pada setiap plot yaitu hanya kategori pohon (diameter ≥ 5 cm). Berdasarkan hasil penelitian, didapat bahwa simpanan karbon pada tegakan mangrove di Desa Pasar Banggi sebesar 9.620,451 ton/ha, dan Desa Tireman sebesar 4.633,618 ton/ha, sedangkan estimasi simpanan karbon pada substrat mangrove di Desa Pasar Banggi sebesar 920,982 ton/ha dan Desa Tireman sebesar 471,929 ton/ha. Mangrove ecosystems have ecological functions as carbon sinks and stores. Mangroves absorb CO2 during photosynthesis, then convert it to carbohydrates by storing it in the form of biomass in the body parts of mangrove plants. Research on the estimation of carbon stocks is very necessary to support the improvement of world climate. The sampling was conducted on June 2018 until July 2018. This research used purposive sampling and explorative method, with the consideration of the type, density and diameter of mangrove trees. Conducted in three stations with varying in the mangrove ecosystem conditions. Each research station was divided into three research plots, tree diameter measurements were carried out on 10 x 10 m transects, the diameter measured in each plot was only trees (≥ 5 cm diameter). The result of this research, it is found that carbon storage in mangrove stands Pasar Banggi Village is 9,620,451 ton/ha, and Tireman Village is 4,633,618 ton/ha. While estimated carbon storage the mangrove substrate in Pasar Banggi Village is 920,982 ton/ha and Tireman Village is 471,929 ton/ha. These result that estimates carbon storages in mangrove stands are greater than estimates of carbon storage on mangrove substrate. The estimation of carbon storage in the mangrove stands increases with increasing of plant biomass and mangrove density, while estimates of carbon storage on the substrate are tsuspected to be more influenced by organic matterial and the location reseach.

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Kelimpahan dan Keanekaragaman Kupu-kupu di Kawasan Taman Nasional Gunung Merbabu, Jawa Tengah

Bioma Berkala Ilmiah Biologi ◽

10.14710/bioma.18.2.173-179 ◽

2016 ◽

Vol 18 (2) ◽

pp. 173

Author(s):

Dian Ratna Sari ◽

Mochamad Hadi ◽

Rully Rahadian

Keyword(s):

National Park ◽

Sampling Method ◽

Diversity Index ◽

Species Abundance ◽

Habitat Diversity ◽

Mountain Forest ◽

Habitat Types ◽

Key Word ◽

Abundance And Diversity ◽

Forest Habitats

Butterflies are insects that have very important role in the ecosystem, they are as a pollinator of plants. Butterfly also can be used as a bio-indicator of environmental quality. This study aims to determine the species abundance and diversity of butterflies in the area of Merbabu Mountain National Park. This research was conducted in September and November 2016 in four habitat types, i.e., mixed forests, pine forests, mountain forests and streams. The study was conducted using a purposive sampling method. The data analysis used abundance index and diversity index. There are 454 individuals wich includes 61 species and 6 families. There are 11 dominant species of butterflies in Merbabu Mountain National Park, but only Ypthima pandocus that dominates in all the habitat that studied. Mycalesis moorei and Mycalesis sudra are dominant in all forest habitats and its not dominant in the habitat of the streams. Papilio peranthus and Parantica albata are dominant and only in mountain forest habitat. Diversity of butterflies in the area of Merbabu Mountain National Park can be categorized as moderate with the diversity index from 2,11 – 3,37. Key word: Butterflies, diversity, abundance, Merbabu Mountain National Park

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Study of Molluscs Diversity as Ecosystem Engineer from Beach of Sungai Bakau Village, Tanah Laut, South Kalimantan

Indonesian Journal of Biotechnology and Biodiversity ◽

10.47007/ijobb.v4i2.65 ◽

2020 ◽

Vol 4 (2) ◽

pp. 77-88

Author(s):

Anang Kadarsah ◽

Cynthia Agustina Ekaputri ◽

Abdul Gafur

Keyword(s):

Sampling Method ◽

Ecosystem Engineer ◽

Diversity Index ◽

Similarity Index ◽

Sandy Beaches ◽

Research Station ◽

Water Parameters ◽

The Difference ◽

And Function ◽

Sand Dust

Molluscs are engineered biota that play an important role in changing the structure and function of ecosystems, including coastal and mangroves. This study aims to record the diversity of molluscs as a group of engineers in coastal areas in Sungai Bakau Village, Tanah Laut, South Kalimantan. Purposive random sampling method was used to obtain mollusc data at three observation stations (Station 1 : sandy beaches, Station 2 : rocky beaches, and Station 3 : river estuaries). Only one type of bivalve was found (Meretirix meretrix) and 13 types of gastropods (Nassarius Sp., Turricula javana, Cerithidea alata, Polygona angulate, Distorsio decipiens, Latirus pictus, Bursa granularis, Latirus sp., Littorina undulate, Naticarius hebraeus, Murex. elenensis, Neverita didyma, and Turritella terebra). The highest diversity index (1.95) was found at station 1. While the evenness index is 0.755. Similarity index was 92.85% (stations 1-2 and stations 1-3) while at stations 2-3 was 85.71%. The highest density of Cerithidea alata is reached 2,996,700 ind/Ha and the least was Turritella terebra (20,000 ind/Ha). Water parameters between observation stations were close to each other : pH ± 7.6 - 7.7, temperature ± 29.3 - 29.7 0C, and salinity ± 34.9 - 35.4 ppt. The difference between research stations can be seen from sediment content. Station 1 has the highest sand content (96.2%). Station 2 consists of 64.7% sand dust and 20.6% clay. Station 3 has the highest dust content, reaching 84.6%. The types and presence of mollusks (bivalves and gastropods) at each research station is vary in value.

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KUALITAS AIR LAUT DITINJAU DARI INDEKS KEANEKARAGAMAN FITOPLANKTON DI PERAIRAN PANTAI DESA MADAYIN KECAMATAN SAMBELIA KABUPATEN LOMBOK TIMUR

Bioscientist : Jurnal Ilmiah Biologi ◽

10.33394/bjib.v6i2.2351 ◽

2018 ◽

Vol 6 (2) ◽

pp. 91

Author(s):

Sucika Armiani ◽

Baiq Muli Harisanti

Keyword(s):

Sampling Method ◽

Sea Water ◽

Diversity Index ◽

Good Condition ◽

Shrimp Ponds ◽

Phytoplankton Diversity ◽

Biology Laboratory ◽

Ecological Pressure ◽

The Impact

This study was aimed to riview the quality of sea water in terms of phytoplankton diversity index as the impact of aquaculture shrimp ponds in Madayin village, Sambelia District of East Lombok. This study was conducted in March to June 2018. Sampling was done by purposive sampling method as 6 sampling points was 3 points (stations 4, 5 and 6) were taken from the outlet of sewage shrimp, 1 point (station 3) were taken from estuary, and 2 points (stations 1 and 2) were taken from the sea. Water samples was taken 50 liters and was filtered using 25μm plankton nets. Filtered water put into bottles samples then was preserved by formalin 4%. Phytoplankton analysis was carried out in Biology Laboratory FPMIPA Faculty of Mataram University. Results showed that the diversity index (H) ranged from 2.055 to 2.257, this value indices were moderate/medium. Equitability index (E) value of ranged from moderate to high where the stations 1 and 3 were moderate (0.5 <E <0.75) while stations 2, 4, 5 and 6 were high (E> 0.75). All stations showed that there were no dominance of phytoplankton species. Based on the results, the condition of Madayin coastal was moderate to good condition, no significant ecological pressure.

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Abundance and Diversity of Diatom Class Bacillariophyceae in the Waters of Tanjung Luar Fish Landing Based

JURNAL BIOLOGI TROPIS ◽

10.29303/jbt.v21i2.2699 ◽

2021 ◽

Vol 21 (2) ◽

pp. 448

Author(s):

Niswatul Audah ◽

Lalu Japa ◽

M. Yamin

Keyword(s):

Species Diversity ◽

Sampling Method ◽

Diversity Index ◽

Species Abundance ◽

Wide Distribution ◽

Species Diversity Index ◽

Dominance Index ◽

Systematic Random Sampling ◽

Species Dominance ◽

Abundance And Diversity

Diatom class Bacillariophyceae are world wide distribution and commonly dominated the phytoplankton community. The community of diatom class Bacillariophyceae of the waters Tanjung Luar Fish Landing Based (FLB) has never been reported. This study aims to determine the abundance and diversity of diatom class Bacillariophyceae. The sampling sites were determined by using a systematic random sampling method. Data of diatom class Bacillariophyceae were analyzed for species abundance, species diversity index and species dominance index calculations. The results showed, that the abundance of diatom class Bacillariophyceae species were 322.000 ind/L (low category), the species diversity index of diatom class Bacillariophyceae was 2.162 (moderate category), and the species dominance index was 0.138 (none of species dominance).

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STUDY ON MACROZOOBENTHOS COMMUNITY IN THE WATERS OF THE RIVER AIR PERIKAN MUNICIPALITY OF PAGAR ALAM SOUTH SUMATRA

BIOVALENTIA Biological Research Journal ◽

10.24233/biov.3.2.2017.73 ◽

2017 ◽

Vol 3 (2) ◽

Author(s):

Rafles Tampubolon ◽

Zazili Hanafiah ◽

Endri Junaidi

Keyword(s):

Species Composition ◽

Sampling Method ◽

Diversity Index ◽

Similarity Index ◽

Survey Method ◽

Research Station ◽

Sampling Station ◽

Sampling Point ◽

Leaf Pack ◽

Index Value

The research entitled “ Study on Macrozoobenthos Community in the Waters of the River Air Perikan Pagar Alam Municipality”, was conducted from November 2007 until March 2008. The aims of the research: to know about composition, density, diversity index, dominancy index, and similarity index, which based on the different microhabitat types. Sampling was carried out on November 2007. Five sampling stations were determined by survey method and the Purposive Sampling method was used at each sampling point to find stony, gravel, sandy and leaf pack area as a different microhabitat substrate. Twenty one orders (Ephemeroptera, Trichoptera, Diptera, Plecoptera, Collembola, Hemiptera, Odonata, Coleoptera, Lepidoptera, Megaloptera, Hymenoptera, Orthoptera, Decapoda, Plesiopora, Tricladida, Amphipoda, Isopoda, Mesogastropoda, Ctenobranchiata, Eulamellibranchiata, and Rhynchobdellida) which are consisted of 70 families and 151 genera were identified from four types of substrates on each sampling station. According to this research, station 4 has the highest in composition (80 genera), and the lowest one at station 1(33 genera). The highest abundance was 12589 ind./m2 found in the station 5, and the lowest one was in the station 1 approximately 880 ind./m2. For the diversity index value, station 3 was the highest (3.1) and the lowest one was station 5 (1.9). The Dominancy index was found in station 5 at the sandy substrates was approximately 0,8 index, which dominated by Tubifex sp. There were differences species composition on each station. Keywords : Macrozoobenthos, community, the river Air Perikan.

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