scholarly journals Diversity of Bivalvia, Gastropoda and Holothuroidea in Intertidal Zone of North Javan Sea Coastal, Indonesia

2021 ◽  
Vol 9 (1) ◽  
pp. 1
Author(s):  
V. Rohmayani ◽  
E. Tunjung Sari M. ◽  
Nurhidayatullah Romadhon ◽  
H. Ichda Wahyuni
Keyword(s):  
Intertidal Zone ◽  
Sampling Method ◽  
Diversity Index ◽  
Total Sample ◽  
Target Species ◽  
Transect Sampling ◽  
Density Index ◽  
Zone Ii ◽  
Important Value Index

This study aims to know diversity of Bivalvia, Gastropoda and Holothuroidea. Measures used in this study were Density Index (D), Diversity Index (H’), Evennes Index (E’) dan Important Value Index (INP). This study used transect sampling method by 1 × 1 meter quadrant. Target species of this study were member of Bivalvia, Gastropoda and Holothuroidea that inhabit in intertidal zone of north Javan Sea coastal. This intertidal zone was divided into 3 zone; zone I is 50 meter, zone II is 75 meter and zone III is 100 meter from coastal line to sea. Total sample of this species were 1064 individual, that divided into 7 species of Bivalvia, 10 species of Gastropoda and 2 spesies of Holothuridea. The highest Diversity Index was for Gastropoda in zone I (253 individual/m2). Diversity Index was in moderate category (1< H’ < 2) while the zone III was the highest. Evennes Index of all zones were relatively similar. The highest Important Value Index was species of Clypeomorus clypeomorus, that has value 53,06%.

scholarly journals IDENTIFIKASI GASTROPODA DI SUB DAS ANAK SUNGAI GANDONG DESA KERIK TAKERAN

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.

scholarly journals Komposisi, Struktur, Dan Keanekaragaman Jenis Vegetasi Di Jalur Wisata Air Terjun Wiyono Atas Taman Hutan Raya Wan Abdul Rachman Provinsi Lampung

2016 ◽  
Vol 4 (3) ◽  
pp. 83
Author(s):  
Ardiyansa Dwi Saputra ◽  
Indriyanto Indriyanto ◽  
Duryat Duryat
Keyword(s):  
Sampling Method ◽  
Diversity Index ◽  
Species Structure ◽  
Low Density ◽  
Vegetation Density ◽  
Plant Composition ◽  
Forest Park ◽  
Tourism Potential ◽  
The Right ◽  
Important Value Index

Wan Abdul Rachman Grand Forest Park has a potential of natural resources that can be used as natural attractions. One of the tourism potential is The Waterfall of Wiyono Atas.  In addition, plant diversity found around the waterfall also has a potential to support the tourism.   The aims of the research was to figure out the composition of plant species, structure of vegetation based on the density of each growth phase, and diversity of plant along the tourism track. The research was conducted in May—June 2015. Vegetation analysis with aterraced plot was employed as sampling method, that was consisting 44 plots which were 22 plots for left track and 22 plots for right track, and the distance between plots was 80 m.  The analysis of density, frequency, dominance, important value  index, Shannon diversity index, and canopy stratification were used as data analysis. The results showed that the plant composition along the tourism track was made up of 28 species in the left track and 31 species in the right track.  The vegetation density of tourism track was classified as high on seedling phase for 11,600 individu/ha, sapling phase 1,880 individu/ha, and it was classified low density on pole phase for 350 individu/ha, and tree phase for 63.64 individu/ha on the left track, while on the right track, vegetatation density was classified as high on seedling phase for 10,900 individu/ha, sapling phase for 1,140 individu/ha, and classified low density on pole phase for 309.09 individu/ha, and tree phase for 86.36 individu/ha.  The vegetation former, consist of 5 stratum, ranging from stratum A, B, C, D, and E.  The diversity in the tourism track was classified as low, with the value of diversity in the left track of 1.197 and the right track of 1.189. Keywords: composition, diversity, Grand Forest Park, structures

scholarly journals Diversity of termites (Isoptera) on industrial forest plantation of Eucalyptus pellita stands of tropical ecosystem in Riau, Indonesia

2020 ◽  
Vol 21 (11) ◽  
Author(s):  
SRI RAHAYU PRASTYANINGSIH ◽  
Suryo Hardiwinoto ◽  
MUSYAFA MUSYAFA ◽  
CAHYONO AGUS DWI KORANTO
Keyword(s):  
Sampling Method ◽  
Diversity Index ◽  
Stand Age ◽  
Forest Plantation ◽  
Tropical Ecosystem ◽  
Eucalyptus Pellita ◽  
Transect Sampling ◽  
Industrial Forest ◽  
Negative Effect ◽  
Sørensen Index

Abstract. Prastyaningsih SR, Hardiwinoto S, Musyafa, Koranto CAD. 2020. Diversity of termites (Isoptera) on industrial forest plantation of Eucalyptus pellita stands of tropical ecosystem in Riau, Indonesia. Biodiversitas 21: 5498-5505. Eucalyptus pellita is an alternative tree species for pulp and paper of industrial forest plantation. One of the forest plantation’s negative effect is the loss of biodiversity and vulnerable to pest and disease. Termites are one of the pests attacking the forest plantations and play an important role in the ecological process. Need a better understanding of the termite role ecosystem process in E. pellita stands. This research aimed to determine the diversity of termite species found in E. pellita stands at different rotation and ages of stands. Termite diversity sampled by the transect sampling method in the 4th and 5th rotation with four-level ages (1, 2, 3, 4-years-old). The transect area was divided into 24 plots (100 m x 2 m). The termites in the Eucalyptus stand consist of two families (Termitidae and Rhinotermitidae), five subfamilies (Termitinae, Macrotermitinae, Nasutitermitinae, Rhinotermitinae, and Coptotermitinae), and eight species (Discupiditermes nemorosus, Macrotermes gilvus, Termes rostatus, Amitermes dentatus, Microcerotermes sp., Nasutitermes matangensis, Schedorhinotermes medioobscurus, and Coptotermes havilandi). The diversity index (H) in the 4th rotation was 1.95, while in the 5th rotation was 1.63, with a similarity in the Sorensen Index of 87.71%. The existence of termites is dominated by the wood feeder group. The species richness of the termites at the two rotations increased with the increase of the stand age.. The relative abundance composition of termites in the 5th rotation, is higher than the 4th rotation. Termite occurrence was influenced by necromass, tree biomass, humidity, and temperature.

scholarly journals Growing Site Characteristics of Agathis labillardieri Warb in the Natural Forests of Siwi Momiwaren, West Papua

2020 ◽  
Vol 8 (3) ◽  
pp. 297
Author(s):  
Rima Herlina Setiawati Siburian ◽  
Mei Trirbo ◽  
Rusdi Angrianto
Keyword(s):  
Sampling Method ◽  
Diversity Index ◽  
Systematic Sampling ◽  
Natural Forests ◽  
Site Characteristics ◽  
West Papua ◽  
Systematic Sampling Method ◽  
Relationship Of ◽  
Important Value Index ◽  
The Relationship

Agathis labillardieri Warb is one of the copal-producing tree species that only distributed in Papua. In connection with regional development, the existence of this species has been a significant concern. Therefore, it is necessary to study the characteristics of A. labillardieri Warb in their natural growing areas in the natural protected forest of Siwi Momiwaren. The data were collected by using the line plot method systematic sampling method with nesting plot. The data were then analyzed to determine the species relative density, frequency, dominance, important value index (IVI), and growth characteristics. The results showed that A. labillardieri Warb had the highest IVI at all levels of growth, with the highest diversity index at the seedling level of 3,49. When viewed from the relationship of the presence of species with the characteristics of the growing site, the content of Mg and Na significantly affected the presence of this species in the natural forest area of South Manokwari Siwi Momiwaren.Keywords: Agathis labillardieri Warb, growing site characteristics, Siwi Momiwaren, West Papua

scholarly journals Identification of highland peat vegetation in the Sub-district of Lintong Nihuta, Humbang Hasundutan Regency, North Sumatera, Indonesia

2021 ◽  
Vol 912 (1) ◽  
pp. 012027
Author(s):  
J M Hutagaol ◽  
Bintang ◽  
B Hidayat
Keyword(s):  
Sampling Method ◽  
Diversity Index ◽  
Current Status ◽  
Survey Method ◽  
Analysis Method ◽  
Vegetation Analysis ◽  
Minimum Area ◽  
Important Value Index ◽  
North Sumatra ◽  
Dicranopteris Linearis

Abstract This study aims to identify the structure, composition, and current status of highland peat vegetation in the Lintong Nihuta Sub-district, Humbang Hasundutan Regency, North Sumatra Province. The research conducted from December 2020 to April 2021. This study uses a survey method. The plots were laid using the purposive sampling method considering that the observed plots were those with naturally growing vegetation and accessible terrain. Sampling used the double plot vegetation analysis method with a plot size of 4 x 4 m for seedlings and 20 x 20 m for saplings obtained by measuring the minimum area of the plot. The data obtained were analyzed for frequency calculations, important value index (IVI), and Shannon-Weiner diversity index (H’). The results of the vegetation analysis showed that from the four existing growth classes, only two growth classes were found at the research site, namely seedlings and saplings with a total of 23 species. The vegetation composition is dominated by shrub habitus which indicates that this peatland has been degraded. The dominant species in the study site were Lepinoria mucronata Rich. and Dicranopteris linearis (Burm.) F. Underw. The value of the biodiversity index (H’) is 0.8 with a low criterion which means the vegetation ecosystem at the study site is unstable

Potensi dan Keragaman Tumbuhan Bawah Non-Kayu Di Lahan Bera Kampung Womnowi Distrik Sidey Manokwari Papua Barat

2021 ◽  
Vol 23 (1) ◽  
pp. 63-70
Author(s):  
Slamet Arif Susanto ◽  
Heru Joko Budirianto ◽  
Agatha Cecilia Maturbongs ◽  
Simeon Abdi Putra
Keyword(s):  
Species Composition ◽  
Sampling Method ◽  
Woody Plant ◽  
Diversity Index ◽  
Floristic Composition ◽  
Fallow Land ◽  
West Papua ◽  
Species Composition Of Vegetation ◽  
Papua Barat ◽  
Important Value Index

During successionally process the non-woody plant understory cover related to dominance of tree vegetation around successional land. Fallow land are models of secondary successional are present the land of New Guinea (Papua). The study was conducted at fallow land 15 years old Womnowi, Sidey Manokwari West Papua to determine the important value index (IVI), diversity, evenness, and describe potential species composition of vegetation non-woody plant understory cover. We used continouse line sampling method when field inventory and make purposive sampling 2x2 m each a plot 20x20 m. We had found 749 individual part of 41 species, highest IVI are Sellaginella wyldenowii (25.04%), Selaginella sp (23.44%)., and Spathoglottis plicata (14.60%), diversity index Shannon-Weiner (Hʹ) is 3.13, and evenness (E) is 0.84. We also had found orchids and some unique Arecaceae and some species can used by local wisdom like Diplazium esculentum and Pothos spp. Based the floristic composition of analysis vegetation we temporary conclude non-woody plant understory cover are shade plant.

STRUKTUR KOMUNITAS MAKRO ALGA DI PESISIR PULAU KECAMATAN BULANG

SIMBIOSA ◽  
2014 ◽  
Vol 3 (2) ◽  
Author(s):  
Notowinarto Notowinarto ◽  
Ramses Ramses ◽  
Mulhairi Mulhairi
Keyword(s):  
Community Structure ◽  
Diversity Index ◽  
Algal Species ◽  
Algal Communities ◽  
Marine Life ◽  
Ph Values ◽  
Abundance Patterns ◽  
Coastal Marine ◽  
Temperature Parameter ◽  
Important Value Index

Bulang districts Batam Islands of  Riau province (Riau Islands), its consists of many islands with as well as having the potential diversity of coastal marine life in particular kinds of macro algae or seaweed. Conducted research aimed to determine the structure of macro- algal communities in the intertidal zone islands. The results of the identification of algal species found 16 species are: the Order of Chlorophyceae as 6 spesies; Order Phaeophyceae as 2 spesies; and Order Rhodophyceae as 8 spesies. The community structure at the five stations showed the highest values were found in the island of dominance Cicir (D ' = 0.79) , uniformity index values on Tengah Island (E ' = 0.99) , while the island Balak had the highest diversity index (H ' = 0.88) , with the abundance patterns of population structure on the island is pretty good Central . Results of correlation analysis of regression between IVI types of algae with the conditions of environmental quality suggests that there is a significance (Fhit ˃ F table and the value of r = > 90 %) between IVI algae Halimeda sp and Cryptarachne polyglandulosa at each station with a temperature parameter surface (⁰C) , depth temperature (⁰C) and pH values. Keywords : Algae, Community Structure, Important Value Index.

MOTIVASI KERJA PERAWAT DI RUANG RAWAT INAP RSUD MAJALAYA KABUPATEN BANDUNG

2020 ◽  
Author(s):  
Andria Pragholapati
Keyword(s):  
Data Collection ◽  
Work Environment ◽  
Sampling Method ◽  
Work Motivation ◽  
Survey Methods ◽  
Sampling Technique ◽  
Total Sample ◽  
Regional Hospital ◽  
High Work

Work motivation is an influential condition for arousing, directing, and maintaining behavior related to the work environment including nurse work motivation. The purpose of this study was to edit the Nurses' Work Motivation in the Inpatient Room of Majalaya Regional Hospital. This type of research uses analytic survey methods. The sampling method uses a total sampling technique with a total sample of 55 nurses in 6 inpatients. Data collection techniques using a work motivation questionnaire. The analysis used is univariate. The results of the study 28 people (50.9%) have high work motivation. The conclusion of the results of this study some nurses have work motivation of nurses in the inpatient room of Majalaya Regional Hospital. Based on the results of the study are expected to require motivation support to increase work motivation of nurses.

PERANAN ANGGOTA KELOMPOK TANI DALAM MENINGKATKAN PRODUKSI PADI SAWAH DI DESA KOROBHERA KECAMATAN MEGGO KABUPATEN SIKKA

2020 ◽  
Vol 21 (1) ◽  
pp. 61-70
Author(s):  
Toncerius M. Lesu ◽  
S.P.N. Nainiti ◽  
Serman Nikolaus
Keyword(s):  
Sampling Method ◽  
Simple Random Sampling ◽  
Total Sample ◽  
Rice Production ◽  
Average Score ◽  
Maximum Score ◽  
Central Production ◽  
Group Members ◽  
Farmer Groups

The aim of this research is to find out how big the role of the farmer group members in increasing rice production at Korobhera Village, Meggo Subdistrict, Sikka District. The research has been done on April to May 2019. This is a qualitative study with purposive sampling considering the site was one of rice central production. The objectives of the study were to know : 1) how big the role of the farmer group members to productivity increasing in the area of research ; 2) the constraints faced by the members of the farmer group. Sample was done randomly using simple random sampling method with a total sample size of 50 people, who were the members of four farmer groups existed. The results of research indicated that the role of farmer group members in increasing rice production at the location of research was high, shown by the percentage of the accomplishment maximum score from average score in the amount of 75,65% (average score 87). The constraints faced by members of farmer group were quite similar, which were financial capital limits problem, uncaged livestocks and the availability of production tools was often not on time.

scholarly journals HUBUNGAN PERILAKU MASYARAKAT DALAM PEMBERANTASAN SARANG NYAMUK DAN FAKTOR LINGKUNGAN DENGAN KEJADIAN DEMAM BERDARAH DENGUE DI WILAYAH PUSKESMAS I DENPASAR SELATAN DAN PUSKESMAS I DENPASAR TIMUR

2016 ◽  
Vol 10 (1) ◽  
pp. 17
Author(s):  
Dwi Jata ◽  
Nyoman Adi Putra ◽  
I.B.G. Pujaastawa
Keyword(s):  
Public Health ◽  
Health Center ◽  
Sampling Method ◽  
Hemorrhagic Fever ◽  
Total Sample ◽  
Cross Sectional ◽  
Public Health Center ◽  
Community Behavior ◽  
Service Need

Dengue hemorrhagic fever (DHF) is one of diseases that causes health problems in Indonesia and oftenly creates extraordinary events with great death. The purpose of this research is to discover relationship community behavior in mosquito nesting eradication and environmental factors with DHF incidence in 1st Public Health Center Denpasar Selatan and 1st Public Health Center Denpasar Timur. The research design used is observational, cross-sectional. Total sample of 82 households. Sampling was done in proportion sampling method. Results of the analysis of environmental variables associated with DHF incidence in 1st Public Health Center Denpasar Selatan: occupant density (p = 0.02), mobility (p = 0.01), the habit of hanging clothes (p = 0.04). 1st Public Health Center Denpasar Timur: mobility (p = 0.00), clogged water ditches (p = 0.00), containers water existance (p = 0.03), the habit of hanging clothes (p = 0.00). Knowledge, attitude and actions in 1st Public Health Center Denpasar Selatan and 1st Public Health Center Denpasar Timur statistically correlated with DHF incidence. As conclusion of the research results, in 1st Public Health Center Denpasar Selatan and 1st Public Health Center Denpasar Timur, that is mobility, the habit of hanging clothes, knowledge, attitude and actions strongly related with DHF incidence, while that is clogged water ditches, containers water existance and occupant density has no relation with DHF incidence. Public Health Center need to intensify health promotion, improves the quality of MNE (PSN), and the Provincial Health Service need to support Public Health Center on setting policies which necessary.

Sign in / Sign up

Export Citation Format

Share Document