scholarly journals ХӨХХОТЫН ЗҮҮН ТОЙРОГИЙН ШАВЖИЙН ЗҮЙЛИЙН ОЛОН ЯНЗ БАЙДЛЫГ ТОГТООХ БҮЛГЭМДЛИЙН СУДАЛГАА

Author(s):  
Г Эрдэнэбилэг ◽  
Yang Guisheng

An investigation had been made into the insect communities in Hohhot farmland. Between January and December 2011-2012, in order to approach the effects of different habitat types in Hohhot on insect diversity, an investigation was conducted on the insects in four types of habitats in Hohhot, Inner Mongolia. On the basis of a comprehensive investigation, combined with the Shannon-Wiener diversity index, evenness index, dominance index, the systematic analysis of Hohhot, the insect community composition in different seasons. A total of 5305 insects were collected , belonging to 164 species, 75 families and 11 orders, among which, Orthoptera, Hemiptera, Coleoptera, Diptera, Hymenoptera were the dominant taxa. The insect species diversity and evenness, summer>autumn>spring; dominance, spring>autumn>summer.

2021 ◽  
Vol 13 (7) ◽  
pp. 18827-18845
Author(s):  
Kismat Neupane ◽  
Mahamad Sayab Miya

A study was carried out to find the butterfly species diversity and abundance in Putalibazar Municipality, Syangja, Gandaki, Nepal, from June 2019 to July 2020. Pollard walk method was used for data collection in three different habitat types: forest, agricultural land, and settlement area. The study was performed in all seasons: pre-monsoon, monsoon, post monsoon and winter. A total of 180 butterfly species from 108 genera and six families were recorded. The overall Shannon-Wiener diversity index (H) was 4.48. The highest diversity was represented by the Nymphalidae with 67 species (H= 3.79). Butterfly diversity and species abundance was highest in the forest area (147 species, 1199 individuals; H= 4.47). The highest species richness (109 species) was observed in the monsoon season.


2021 ◽  
Vol 2 (1) ◽  
pp. 65-75
Author(s):  
Jihan Afifah ◽  
Riche Hariyati ◽  
Tri Retnaningsih Soeprobowati

Diatom biodiversity is an increasing concern due to growing human impact, the study was carried out in one of the most important water storage reservoirs of Tembalang Region. The anthropogenic activity influence of diatom diversity in the UNDIP Reservoir.  The reservoir of Universitas Diponegoro (UNDIP) Semarang was an area of 1.24 km2, with the deepest part of 15 meters, and able to accommodate water up to 13500 m3. This study aims to determine the relative abundance, diversity, evenness, dominance of diatoms and is expected to provide information about the condition of the waters in the Diponegoro University Reservoir, Semarang. Littoral benthic diatoms of five locations were sampled. Diatoms slides were prepared from scraping the rock surface with an area of 3x3 cm, dilute in 50 ml distilled water, and identification under the microscope with 1000 magnification. Analysis of the physical characteristics of the waters includes Temperature, pH, DO, TDS, Conductivity, and Turbidity. The diatom composition in UNDIP Reservoir consists of 72 species that belong to 20 genera. The Shannon-Wiener diversity index (H') ranges from 2-3. The dominance index (D) ranges from 0.05-0.17. The Evenness index (E) ranges from 0.54-0.90. Water quality parameters showed a fairly good value in the growth of diatoms. Dominated by periphytic taxa such as Cyclotella meneghiniana (15.72%), Brachysira microcephala (9.93%), and Achnanthidium minutissima (6.84%) which are widely distributed and live at temperatures of 20-30?C and pH >6.


2018 ◽  
Vol 10 (2) ◽  
pp. 111-118
Author(s):  
Malonda Maksud ◽  
Yusran Udin ◽  
Hasrida Mustafa ◽  
Risti Risti

Mosquito transmitted diseases are still a health problem in Indonesia, including in Palu City. Among the types of mosquitoes as a vector of the disease, there are to be zoophilic of animal blood. The study against the diversity of mosquitoes has been conducted in the area with the largest cattle population in Palu City, that Mantikulore District. The purpose of this study was to gain an overview diversity of mosquitoes around the cattle sheds. The study was carried out with free collection of mosquitoes around cattle sheds from 18:00 to 06:00 and one light trapping (CDC-Light Trap) at each location throughout the night from 18:00 to 06:00. Distribution diversity of mosquito around cattle sheds in five locations obtained 3 genus and 14 species of mosquitoes from a total of 1,464 captured mosquitoes. Culex vishnui is the most abundant mosquito in four research sites, namely in Kawatuna (44.44%), Poboya (82.18%), Tondo (66.95%), and Tanamodindi (38.58%). While in Talise the most abundant mosquito is Cx. quinquefasciatus amount 52.39%. The abundance of Cx. quinquefasciatus and Cx. vishnui was directly proportional to the frequency and dominance index. Shannon-Wiener diversity index shows the level of diversity in Kawatuna village, Talise village, and Tanamodindi village belongs to the medium, and in Poboya village and Tondo village belongs to low.


2021 ◽  
Vol 68 (1) ◽  
Author(s):  
Susovan Sau ◽  
T.S. Nagesh ◽  
R.K. Trivedi ◽  
T.J. Abraham ◽  
S.K. Dubey ◽  
...  

In the present study, an attempt was made to document the spatial distribution and diversity inventory of macro-benthic fauna from 21 sampling stations of the Indian Sundarbanfor a period of six months from November 2014 to April 2015. A total of 1,871 individuals belonging to 35 species were recorded which comprised 12 species of molluscs, 20 species of crustaceans, one species each of xiphosurid, sea anemone and fish. The frequency analysis of species revealed that the most dominant species were Telescopium telescopium and Tubuca rosea among molluscs and crustaceans, respectively. The density analysis of the species showed that Pirenella cingulata and T. rosea had maximum values among molluscs and crustaceans, respectively. The average values of Shannon-Wiener diversity index, Simpson diversity index, dominance index and Margalef diversity index were found to be 2.712, 0.888, 0.111 and 4.513, respectively.


2021 ◽  
Vol 20 (3) ◽  
pp. 546
Author(s):  
Zikriah Zikriah ◽  
Imam Bachtiar ◽  
Lalu Japa

The Pandanduri Dam has a function as a support for agricultural irrigation water and also supports community activities so that it will affect the quality of its waters. The quality of the water needs to be analyzed because it can affect the aquatic ecosystem. This study aims to determine the level of water pollution in the Pandanduri Dam based on the phytoplankton community from the Chlorophyta Division. This type of research is descriptive exploratory. Sampling was carried out at 5 stations that were haphazardly selected with ecological representativeness consideration. Phytoplankton data were analyzed using the abundance formula, Shannon-Wiener diversity index, PIELOU uniformity index, and Simpson dominance index. The phytoplankton from the Chlorophyta Division found in the Pandanduri Dam were 14 species that are Pediastrum duplex var. Gracillimum, Gonium sp. 1, Gonium sp. 2, Coelastrum reticulatum, Scenedesmus acuminatus, Cosmarium sp., Chlamydomonas nasuta, Chlamydomonas sp., Selenastrum capricornutum, Monoraphidium dybowskii, Monoraphidium contortum, Monoraphidium irregular, Westella botryoides, and Kirchneriella lunaris consisting of 4 orders (Sphaeropleales, Chlorococcales, Chlamydomonadales and Desmidiales) and 10 genera (Pediastrum, Coelastrum, Scenedesmus, Gonium, Cosmarium, Chlamydomonas, Selenastrum, Monoraphidium, Westella, and Kirchneriella). The species diversity index of 2.21 is classified as moderate diversity, the species uniformity index is 0.83 which indicates even species growth, and the species dominance index indicates that no species dominates with a value of 0.12. The level of water pollution in the Pandanduri Dam was found in the moderate pollution category (oligotrophic).


2018 ◽  
Vol 5 (1) ◽  
pp. 36
Author(s):  
Yulihatul Meisaroh ◽  
I Wayan Restu ◽  
Dewa Ayu Angga Pebriani

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.


2018 ◽  
Vol 19 (5) ◽  
pp. 1791-1797
Author(s):  
YOGO SETIAWAN ◽  
RINA RACHMAWATI ◽  
HAGUS TARNO

Setiawan Y, Rachmawati R, Tarno H. 2018. Diversity of ambrosia beetles (Coleoptera: Scolytidae) on teak forest in Malang District, East Java, Indonesia. Biodiversitas 19: 1791-1797. Ambrosia beetle plays an important role in the temperate forest. Ambrosia beetle lives symbiotically with microorganism such as fungi, bacterium, and yeast that can cause plant wilt and death. In Java, ambrosia beetle has been reported to attack teak plantations in some regions. This research aimed to investigate the diversity of ambrosia beetles in the teak plant on monoculture and polyculture system in Malang District. This research was conducted in the teak forest in Dampit and Sumbermanjing Wetan, Malang District from March to May 2017. Ambrosia beetles were trapped by using baited bottle trap with 95% ethanol. The diversity of ambrosia beetles trapped was analyzed using Vegan package in R program to calculate the Shannon-Wiener diversity index (H), Species Evenness index (E), and Simpson's dominance index (D). The results showed that ambrosia beetles trapped in monoculture and polyculture teak plants system consist of nine species, i.e., Xylosandrus crassiusculus, X. morigerus, X. compactus, Xyleborus perforans, Euwallacea simillis, Xyleborinus andrewesi, Premnobius cavipennis, Coccotrypes distinctus, and Hypothenemus hampei. The Shannon Wiener index of Ambrosia beetles in polyculture (H=1.40) was higher than in monoculture (H=1.30), and both locations were categorized in the medium diversity category. The Species Evenness index of ambrosia beetles in polyculture (E=0.67) and monoculture (E=0.66) were also categorized in medium category. The Simpson’s dominance index in both locations was categorized in the middle dominance species. X. crassiusculus was the dominant species in polyculture and monoculture teak plant system.


2021 ◽  
Vol 23 (1) ◽  
pp. 77-83
Author(s):  
Farah Diba ◽  
R Ressiawan ◽  
N Nurhaida

The Budi watershed, which is located in Sungai Betung Subdistrict, Bengkayang Regency, West Kalimantan Province, is a land and water conservation area which is a source of clean water for the community. The forest in the Budi watershed becomes a habitat for butterflies. The research aims to analyze the community structure and identify the types of butterflies in Budi watershed Sungai Betung Subdistrict, Bengkayang Regency, West Kalimantan Province. The research methods used survey method with scan sampling technique in the morning and evening. Data from the inventory of butterfly species and the number of individuals of each species were analyzwd using the Shannon-Wiener diversity index (H”), the Margalef species richness index (DMg) and the Simpson dominance index (D). The results showed that the total number of butterfly species found in the Budi watershed was 22 species with 148 individuals belonging to three families, namely Nymphalidae (14 species), Papilionoidae (3 species), and Pieridae (5 species). The most dominance species found were Eurema blanda, Hypolimnas bolina, and Letopsia nina. The index of butterfly species richness in Budi watershed was DMg = 9.67 and is included in categorized high species richness. The butterfly dominance index D = 0.0066 and it categorized to low species dominance. Species diversity index H” = 2.093 and showed the diversity of butterfly species in the Budi watershed, Sungai Betung sub district, Bengkayang Regency is included in the medium diversity category.  


2018 ◽  
Vol 6 (1) ◽  
pp. 23
Author(s):  
Tomi Kasayev ◽  
Jabang Nurdin ◽  
Wilson Novarino

Rimbo Panti Nature Reserve is a conservation area located in West Sumatra which consisted of two main habitat types, dry hilly and swampy forest habitat types. These forest types potentially board many species of mammals. This research was conducted from December 2015 to March 2016 in The Nature Reserve to determine the diversity of mammals occupied each type of habitats. Twenty two camera traps were installed in pairs, six pairs in the dry hilly habitat (574-871 m asl) and five pairs in the swampy habitat (216-261 m asl). From a total 109 photos, 17 species were identified, consisted of 11 species from hilly and 10 species from swampy forest habitat. There were four species found in both habitat types. Shannon-Wiener diversity index showed that mammalian diversity of Rimbo Panti Nature Reserve is moderate (H’=1.95) while mammalian diversity in swampy forest (H’= 2.06) was higher than hilly habitat forest (H’=1.54).


Biota ◽  
2019 ◽  
Vol 12 (1) ◽  
pp. 14-21
Author(s):  
Awalul Fatiqin

The purpose of this study was to determine the abundance of plankton in the Ogan Ilir regency of South Sumatra. Samples were obtained using a purposive random sampling method with plankton as the main material for measuring abundance and the Shannon Wiener Diversity Index (H), Simpson Dominance Index (C), and plankton abundance index. The results of the study obtained six classes consisting of 15 genera of plankton including Fragielaria, Synedra, Eunotia, Diatom, Fustulia, Oedogonium, Gonium, Chaetophora, Microspora, Allona, Neuplius, Lyngbya, Spirulina, Cyclotella and Dismidium. Diversity value at point 1 (1.75) with medium category, point 2 (3.5) with high category, point 3 (0.75) with the medium category. The diversity value of three points is known to be low in population.


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