scholarly journals Bird Species Diversity in Liwa Botanical Garden, West Lampung

2020 ◽  
Vol 7 (1) ◽  
pp. 1-6
Author(s):  
Indah Fitri Sari ◽  
Nuning Nurcahyani ◽  
M. Kanedi ◽  
Tugiyono Tugiyono
Keyword(s):  
Species Diversity ◽  
Data Collection ◽  
Environmental Quality ◽  
Diversity Index ◽  
Bird Species ◽  
Botanical Garden ◽  
Species Diversity Index ◽  
Evenness Index ◽  
Bird Species Diversity

The diversity of bird species can reflect the high biodiversity of an area. it means that birds can be used as a bio-indicator of environmental quality. Determining the quality and level ofenvironmental damage can be seen from the diversity of bird species in the region. Environmental quality will be better if the diversity of bird species in the region is diverse.Birds have an important role in protecting the ecosystem in the Liwa Botanical Garden. The presence of birds in the Liwa Botanical Garden has not been well identified. Therefore thisresearch needs to be done. This research was conducted on 12 October 2019 to 20 October 2019 in the Liwa Botanical Garden, West Lampung. Data collection of bird species isconducted in the morning at 06.30.00-08.30 West Indonesia Time and afternoon at 16.30-18.00 West Indonesia Time, with a combination of the count point and the transect method then all encounters with birds are recorded and identified directly at the study site. After the birds are identified, data is processed to find out Shannon's level index and diversity index. The species diversity index uses the Shannon and Weiner formula. The level of diversity is determined based on the species diversity index. The results showed that there were 15 bird species with a total of 466 individuals with a moderate diversity  index and an evenness index indicating a distressed community.

scholarly journals Phytoplankton Community Investigation and Water Quality Assessment of M River in winter in Shijiazhuang City

2021 ◽  
Vol 267 ◽  
pp. 01035
Author(s):  
Ziqi Zhang ◽  
Lei Yang ◽  
Dongxu Han ◽  
Hongyan Shen
Keyword(s):  
Water Quality ◽  
Species Diversity ◽  
Water Body ◽  
Phytoplankton Community ◽  
Diversity Index ◽  
Water Quality Assessment ◽  
Species Diversity Index ◽  
Wiener Diversity Index ◽  
Eutrophic Water ◽  
Evenness Index

An investigation of phytoplankton community and water quality for M River was conducted in December 2019.The results showed that 38 species of phytoplankton belonging to 6 phyla and 26 genera were collected. Among them, Bacillariophyta is the richest species, which accounted for 34.21%, followed by Cyanophyta with 26.32% and Chlorophyta with 28.95%. The density of phytoplankton was 63.0*106 inds/L which indicated as eutrophic water body. The highest density was Bacillariophyta, accounting for 51.03%. The Shannon-Wiener diversity index (H’) varied from 1.34 to 2.24, the Margalef Species diversity index (d) varied from 2.71 to 3.85, and the Pielou evenness index (J) varied from 0.38 to 0.67. According to the integrative analysis results of H’, d and J, M River water quality belongs to oligo-polluted, but individual sites belong to meso-polluted.

scholarly journals Riparian tree and bird diversity in Cisadane River, South Tangerang City, Indonesia

2019 ◽  
Vol 20 (2) ◽  
pp. 595-603
Author(s):  
URFI IZZATI ◽  
HAYATI SARI HASIBUAN
Keyword(s):  
Species Diversity ◽  
Urban Areas ◽  
Diversity Index ◽  
Pearson Correlation ◽  
Bird Species ◽  
Bird Diversity ◽  
Systematic Sampling ◽  
Line Transect ◽  
Species Diversity Index ◽  
Riparian Tree

Abstract. Izzati U, Hasibuan HS. 2019. Riparian tree and bird diversity in Cisadane River, South Tangerang City, Indonesia. Biodiversitas 20: 595-603. Riparian is a riverbank area that has unique characteristics. It is a combination of terrestrial with aquatic habitats so that riparian ecosystems have high biodiversity values. Riparian is included in a protected area that is naturally designated for vegetation, but in reality, riparian areas, especially in urban areas, have a lot of conversion of land functions by humans so that it can disrupt diversity of tree and bird species. This study aims to identify the diversity of tree and bird species and the correlation between the two. Riparian length of Cisadane River, South Tangerang City is 20.15 km. The method used was plot line with size of 20 m x 20 m for tree data and line transect for bird data by systematic sampling with a random start then analyzed using Shannon Wiener index. The results obtained were found 22 tree species included in 11 families with species diversity index (H') of 2.707 and 40 bird species belonging to 25 families with species diversity index (H') of 2.794. The diversity of tree and bird species is classified as medium. The results of the analysis using the Pearson correlation between the diversity of tree with bird species obtained that there was no relationship between the two. Based on these results, riparian zones in urban areas need to be maintained and improved in quality so that the diversity of tree and bird species increases so as to create a stable ecosystem.

Study on the community structure of macrozoobenthos in Kobok and Kao estuaries, Kao Bay, North Halmahera

2014 ◽  
pp. 62
Author(s):  
Najib Hi Talib ◽  
Lawrence J.L Lumingas ◽  
Markus T Lasut
Keyword(s):  
Community Structure ◽  
Species Diversity ◽  
Diversity Index ◽  
Factorial Correspondence Analysis ◽  
Species Diversity Index ◽  
Dominance Index ◽  
Sediment Types ◽  
As Species ◽  
Evenness Index ◽  
Community Variables

This study aims to assess the community structure of macrozoobenthos in the estuary of Kobok and Kao rivers, Kao Gulf waters. Sampling was carried out in October 2014 at 10 sampling stations in both estuaries. Variables examined in this study were community variables, such as species composition and abundance, including species diversity index Shannon-Wiener (H '), species richness (SR) index, evenness index (J'), Berger-Parker dominance index (d) and 'assemblage' (group) of the macrozoobenthos using multivariate analysis such as classification and analysis of factorial correspondence analysis (AFK). This study obtained a total of 757 individuals of 61 species. Diversity Index (H ') ranged from 1.62 to 3.96, Evenness index (J ') from 0.63 to 1.26., richness (SR) index ranged from 2.83 to 4.45 and dominance index (d) 0.16 to 0.47. Classification analysis separated 4 interconnecting groups at the station or resident species that were in the similar sediment types. Correspondence Factorial Analysis for the station variables mostly responsible for the axial formation was stations mostly contributing  to the formation of axes as the characteristic station of the axes, because it had relatively high contribution. Penelitian ini bertujuan untuk menilai struktur komunitas makrozoobentos di muara Sungai Kobok dan muara Sungai Kao perairan Teluk Kao. Pengambilan sampel dilaksanakan pada bulan oktober 2014 pada 10 stasiun sampling di kedua muara. Variabel yang dikaji dalam penelitian ini adalah variabel komunitas seperti komposisi dan kelimpahan spesies termasuk indeks keanekaragaman spesies Shannon-Wiener (H’), indeks kekayaan spesies (SR), indeks kemerataan spesies (J’), indeks dominasi Berger-Parker (d) serta ‘assemblage’ (grup) makrozoobentos dengan menggunakan analisis multivariate seperti analisis klasifikasi maupun analisis faktorial koresponden (AFK). Penelitian ini diperoleh total 757 individu yang termasuk dalam 61 spesies. Nilai Indeks Keanekaragaman (H’), berkisar dari 1.62-3,96. Nilai Indeks Kemerataan Spesies (J’), berkisar dari 0,63-1,26. Nilai Indeks kekayaan spesies (SR), berkisar dari 2,83-4,45 dan Nilai indeks dominasi (d), berkisar dari 0,16-0,47. Analisis klasifikasi telah memisahkan 4 grup yang saling berhubungan pada stasiun maupun spesies penghuni yang memiliki kemiripan dalam tipe sedimen. Sedangkan Analisis Faktorial Koresponden untuk variabel stasiun yang paling bertanggungjawab terhadap pembentukan sumbu-sumbu adalah (kontribusi absolut). Stasiun-stasiun yang paling berkontribusi dalam pembentukan sumbu juga sebagai stasiun karakteristik sumbu tersebut, karena memiliki kontribusi relatif yang juga tinggi.

scholarly journals KEANEKARAGAMAN JENIS IKAN DI SUNGAI DIGOEL DISTRIK EDERA KABUPATEN MAPPI

2018 ◽  
pp. 1-14
Author(s):  
Robert S. Buhdy ◽  
Norce Mote ◽  
Edy HP. Melmambessy
Keyword(s):  
Species Diversity ◽  
Relative Abundance ◽  
Fish Species ◽  
Diversity Index ◽  
Survey Method ◽  
Fishing Gear ◽  
Species Diversity Index ◽  
Dominance Index ◽  
Abundance Index ◽  
Evenness Index

Fisheries production in the mainland waters of Mappi Regency is larger (27.48%) compared to marine fisheries (8.53%).  Edera District is one of the districts in Mappi District which contributes to the potential of fisheries specifically for mainland waters. This study aims to determine the diversity of fish species in the Digoel River, Edera District, Mappi Regency. The fishing gear used is gill nets, stocking nets, fixed lines, fishing rods and spoon nets (tanggo).  The study was conducted in August - October 2017 using the survey method. The variables analyzed were the species diversity index, evenness index, dominance index and relative abundance index.  The results of the study obtained 28 species of fish which were divided into 8 orders of 20 families and 28 species. The value of the diversity of fish species is moderate, the Evenness value is relatively stable and evenly distributed, the type of dominance in Di shows that there is no dominance of species and the relative abundance of Kr is medium. Keywords:  Digoel River; Diversity; Evenness; Dominance and Relative Abundance.

scholarly journals Species diversity of birds as bioindicators for mangroves damage at Special Economic Zones (SEZ) Mandalika in Central of Lombok, Indonesia

2021 ◽  
Vol 913 (1) ◽  
pp. 012058
Author(s):  
M A A Salahuddin ◽  
I S Rohayani ◽  
D A Candri
Keyword(s):  
Community Structure ◽  
Species Diversity ◽  
Migratory Birds ◽  
Diversity Index ◽  
Bird Species ◽  
Bird Community ◽  
Development Corporation ◽  
Economic Zones ◽  
Bird Species Diversity ◽  
Near Threatened

Abstract The Mandalika Special Economic Zone (SEZ) was designated as a tourist area in 2015. The development of the Mandalika area directly impacts the sustainability, diversity of species, especially birds that make mangroves their habitat. The study aims to investigate the value of bird species diversity in mangrove habitats as bioindicators. Furthermore, the research has been carried out for three months, from March to May 2021. Research data collection uses the roaming method, and data analysis uses bird community structure analysis (Diversity Index). In this study, 33 species of birds were found. Furthermore, it was found that six species of birds are protected wildlife. In addition, 16 are migratory birds, and 27 are Least Concern (LC) bird species; four species have Near Threatened (NT) status. Meanwhile, the Index of bird community structure is H’ 2.7, uniformity E 0.8, and dominance C 0.9. The value of the bird community structure in the Mandalika SEZ shows the condition of mangrove habitat in the moderate damage category. Therefore, there needs to be an effort to preserve mangroves involving the community, government, and Indonesia Tourism Development Corporation (ITDC) area managers.

scholarly journals Structure and factors of forest birds diversity forming in the Ishim river area (Russia)

2018 ◽  
Vol 7 (2) ◽  
pp. 81-87
Author(s):  
Alyona Yuryevna Levykh ◽  
Stepan Leonidovich Boldyrev
Keyword(s):  
Species Diversity ◽  
Anthropogenic Impact ◽  
Diversity Index ◽  
Bird Species ◽  
Sharp Decrease ◽  
Plant Succession ◽  
Species Diversity Index ◽  
Vegetative Succession ◽  
The One ◽  
Forest Habitats

The paper studies the relationship between specific parameters of habitats (the forest area along the route, the average age of the forest, the closure of the crowns, the condition of the crowns, the type of anthropogenic impact, the stage of vegetative succession, the wetting of the forest), the abundance of birds, Shannon and Simpsons indices of the species diversity of forest ornithocenosis. This study is based on the materials of field bird records conducted in the seasons of 2014-2016 on 28 permanent routes in the forest habitats of the Ishim River area (Russia). A statistically significant effect of the anthropogenic impact on the Shannon diversity index and the significant influence of the plant succession stage on Shannons species diversity index and the abundance of birds have been established by the method of one-way analysis of variance using the nonparametric Kraskel-Walliss criterion. It is shown that the maximum value of Shannons index of variety is characteristic for the ornithocenosis of recreational forests; the one close to the maximum is in forests in which grazing is carried out. In the course of plant succession, there is initially an insignificant increase in the total abundance of birds, then a significant decrease in it, as well as a sharp decrease of Shannons diversity index. The obtained results show that the anthropogenic load in form of cattle grazing and recreation conditions an increase in forest habitats heterogeneity and thereby contributes to an increase in bird species diversity.

scholarly journals Keanekaragaman laba-laba pada perkebunan kelapa sawit yang berbatasan dengan hutan

2021 ◽  
Vol 18 (2) ◽  
pp. 115-126
Author(s):  
Ulka Sri Asih ◽  
◽  
Yaherwandi Yaherwandi ◽  
Siska Efendi ◽  
◽  
...  
Keyword(s):  
Species Diversity ◽  
Oil Palm ◽  
Diversity Index ◽  
Pitfall Trap ◽  
Forest Edge ◽  
Species Diversity Index ◽  
Spider Species ◽  
Transect Line ◽  
Evenness Index ◽  
West Sumatra

Oil palm plantations bordering forests were thought to affect the biotic components that make up the diversity of ecosystems, especially species with high mobilization and adaptability, such as spiders. This study aims to identify spiders found in oil palm plantations and analyzing diversity and evenness at various distances of oil palm plantations from the forest. Observations of spiders were carried out on oil palm plantations bordered by forests in Nagari Gunung Selasih and Sungai Kambut, Pulau Punjung District, Dharmasraya Regency, West Sumatra Province. In oil palm plantations, a one km long transect line was made from the forest edge. In the sample plots, spiders were observed using a pitfall trap, knockdown, and hand collecting. Data were analyzed using the Shannon-Wiener diversity and evenness index. The highest spider species diversity index was found at a distance of 100–300 m from the forest, respectively 3.06, 3.05, and 3.11. The same is true for the highest evenness index at a distance of 100–300 m from the forest, respectively, namely 0.94, 0.94, and 0.95. In general, the results of this study indicate that the presence of forest bordering the forest is thought to affect spiders in oil palm plantations.

scholarly journals Keanekaragaman Jenis Burung Di Hutan Pinus Dan Hutan Campuran Muarasipongi Kabupaten Mandailing Natal Sumatera Utara

2014 ◽  
Vol 2 (2) ◽  
pp. 89
Author(s):  
Muhammad Rohiyan ◽  
Samsul Bakri ◽  
Susni Herwanti
Keyword(s):  
Species Diversity ◽  
Diversity Index ◽  
Mixed Forest ◽  
Bird Species ◽  
Similarity Index ◽  
Community Similarity ◽  
Mixed Forests ◽  
Point Count ◽  
Point Count Method ◽  
Bird Species Diversity

Muarasipongi  pine and mixed forests contribute greatly to the biodiversity wildlife.  The study of bird species diversity in pine and mixed forests Muarasipongi, to support the preservation and protection efforts on biodiversity especially bird species. This research was conducted on August 2013 by the point count method on Muarasipongi pine and mixed forest then mark and record all the birds over a predetermined period of time before moving to the next point.  The data obtained were analyzed and then used to calculate the index of species diversity equality, and community similarity were determined.  Observations were made during six repetitions. There are 19 species pine forest, 24 species in the mixed forest and 5 types of birds found in both forest.  Total birds found in Muarasipongi 38 species of 20 families.  Diversity  index (H ') (3.358).  The equality index is 0.923, and has a (IS) or Similarity index is worth 0.277 which means that the similarity between the two species is different habitats.

scholarly journals Herpetofauna Diversity at Munggu Village, Landak Regency, West Kalimantan Province, Indonesia

2019 ◽  
Vol 7 (2) ◽  
Author(s):  
Andri Maulidi ◽  
Mohamad Jakaria ◽  
Nurul Fitriyana ◽  
Muhammad Rizki
Keyword(s):  
Species Diversity ◽  
Data Collection ◽  
Diversity Index ◽  
Habitat Destruction ◽  
Rubber Plantation ◽  
Natural Habitats ◽  
West Kalimantan ◽  
Rubber Plantations ◽  
River Habitat ◽  
Evenness Index

A large number of forests at Munggu Village, Ngabang District, Landak Regency have been converted into oil palm and rubber plantations. As consequences, natural habitats in the region have been fragmented and species diversity, including herpetofauna, has been decreased. This study aimed to assess herpetofauna diversity in four different habitats in Munggu Village: (1) forests, (2) Landak river, (3) tourist areas, and (4) rubber plantations. Data collection used Visual Encounter Survey (VES) for 8 days.[u1]  The results showed that the total of 24 herpetofauna species: 15 amphibians’ species (4 families) and 9 reptiles species (6 families) have been recorded from the four sampled areas. Of the four locations 11 species were found in river habitat in the forest, 4 species in the location of Landak river, 8 species in tourism sites and 9 species in rubber plantations. The Shannon-Wiener (H') diversity index in all four habitats was classified as moderate. In the river location in the forest, H' was 2.14, in the Landak river it was 1.28, in the tourism sites it was 1.71 and in the rubber plantation it was 1.87. However, the evenness index (E) for the herpetofauna community in all four locations was >0.80. Habitat loss and habitat destruction are among the causes of decline in amphibian and reptile populations. Knowing the diversity of herpetofauna, it is hoped that the community and stakeholders can collaborate to secure the herpetofauna in Munggu Village.

Sign in / Sign up

Export Citation Format

Share Document