scholarly journals Diversity of Herbaceous Plant in The Utilization Block of Sumber Agung Tahura Wan Abdul Rachman Bandar Lampung

2019 ◽  
Vol 6 (2) ◽  
pp. 31-40
Author(s):  
Widia Paramita ◽  
Yulianty Yulianty ◽  
Bambang Irawan ◽  
Suratman Suratman
Keyword(s):  
Sampling Method ◽  
Herbaceous Plants ◽  
Herbaceous Plant ◽  
Importance Value Index ◽  
Importance Value ◽  
Forest Park ◽  
Plot Size ◽  
Belt Transect ◽  
Important Value Index ◽  
Literature Data Analysis

Diversity is a variety of species that are similarly formed and the abundance of a species. The purpose of this study is to determine the diversity and characteristics of herbaceous plants in Sumber Agung Resort Bandar Lampung Wan Abdul Rachman (WAR) forest park. The method used is a purposive sampling method at several points, done by direct observation using the Belt Transect method with plot size 1x1 m² with a distance between plot 100 m² then the picture of herbaceous plants taken as documentation material. The species is then taken for identification regarding some literature. Data analysis by measuring the parameters of vegetation using the analysis of density and frequency variables which then determine the Importance Value Index (INP). Observation of herbaceous plants was done by identifying and making herbarium. The results of the study are, there are 45 species of herbaceous plants that have been identified, consisting of 22 families. The highest density of herbaceous species that are found belongs to Asteraceae, Solanaceae, Araceae, Poaceae, Zingiberaceae, and Euphorbiaceae. Characteristics of herbaceous growth are influenced by air temperature, soil moisture, and soil pH. The highest Important Value Index (INP) in herbaceous plants belongs to Family Poaceae; Lophatherium gracile with an important value index (INP) 31.43%.

scholarly journals Keanekaragaman Coccinellidae Predator Pada Beberapa Ekosistem Perkebunan di Kabupaten Dharmasraya

2019 ◽  
Vol 10 (2) ◽  
pp. 157-168
Author(s):  
Siska Chiko Efendi ◽  
Yaherwandi Yaherwandi ◽  
Ade Noferta ◽  
Aditya Muhammad
Keyword(s):  
Species Diversity ◽  
Dominant Species ◽  
Wiener Index ◽  
Simpson Index ◽  
Importance Value Index ◽  
Importance Value ◽  
Important Value Index ◽  
Sweep Net ◽  
Species Importance

The objectives of this research were to study the species diversity and to determine the dominant species of lady bird beetle predators in high land plantation ecosystem in West Sumatera. The samples were taken by hand collection and sweep net. The data of species diversity were analyzed using Shannon-Wiener index, evenness of species were analyzed by Simpson index, and  dominant species using important value index. The results showed that there were 91 individuals predator found which consisted of 7 species. The highest  species diversity (1.74) and evenness (0.89) were found in Pulau Punjung. The lowest diversity and evennes (1,40) and (0,75) was found in Koto Besar. The highest  species importance value index was 1,00, that was Menochillus sexmaculatus.

scholarly journals Keanekaragaman Vegetasi Pohon pada Lahan Pekarangan di Desa Tambakrejo Kecamatan Jombang Kabupaten Jombang

2021 ◽  
Vol 5 (2) ◽  
pp. 23-28
Author(s):  
Indah Fitriani ◽  
Nur Faisal Andani ◽  
Anggi Indah Yuliana ◽  
Ahmad Syaifudin
Keyword(s):  
Data Analysis ◽  
Diversity Index ◽  
Residential Areas ◽  
Importance Value Index ◽  
Importance Value ◽  
H Index ◽  
Purposive Sampling ◽  
Medium Level ◽  
Index Value ◽  
Important Value Index

Tambakrejo Village is an urban area located in the Jombang District. Tree vegetation continues to decline; one of the factors is the conversion of the function of yardland to residential areas. Changes in the land area will impact the structure of tree vegetation. This research was conducted by purposive sampling in 4 hamlets. Transects and species were included as random effects using the transect quadrat method (quadrat transect) by purposive sampling with tree size (10x10 m<sup>2</sup>). The data analysis was done qualitatively and quantitatively. Quantitative data analysis using vegetation analysis, namely: Importance Value Index (IVI), Dominance (C), and Diversity Index (Ĥ). Strata 3 tree vegetation H’ index in Tambakrejo Village, each hamlet is different, for Tambakberas Hamlet, H’ index value is 3.11%, Gedang Hamlet 2.97%, Nglungu Hamlet 2.91%, and for Petengan Hamlet 2, 89%. Most of the hamlets in Tambakrejo Village fall into medium-level diversity. INP index of Tambakberas Hamlet of 22.59% and lowest 2.07%. Gedang of 27.57% and lowest 2.84%, Nglungu of 19.76%, and lowest 2.86% Petengan of 28.79% and lowest 2.73%, The lowest Important Value Index is due to the transfer of the function of yard land for residential areas.

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 Seagrass Vegetation Analysis in Jhembengan and Pasir Putih Beach, Bawean Island, East Java

Jurnal Biota ◽  
2021 ◽  
Vol 7 (2) ◽  
pp. 64-70
Author(s):  
Muhammad Asmuni Hasyim ◽  
Bahrul Ulum ◽  
Berry Fakhry Hanifa
Keyword(s):  
Abiotic Factors ◽  
Flowering Plant ◽  
Abiotic Factor ◽  
Vegetation Analysis ◽  
Importance Value Index ◽  
Importance Value ◽  
White Sand ◽  
Perfect Correlation ◽  
Seagrass Cover ◽  
Important Value Index

Seagrass is a flowering plant that lives in coastal areas In Indonesia there are 12 species, where seagrasses are able to live at a depth of 1-90 meters, seagrass growth is influenced by several factors including the intensity of sunlight. The purpose of this study was to observe the cover, distribution, Importance Value Index (IVI) and correlation of abiotic factors with seagrass in Jhembangan Beach and White Sand on Bawean Island, East Java. The quadratic transect with 50 m length was used. Each station equipped with 3 transects with a distance of 25 m. The data collected includes the parameter of type, stand, and water quality. The data analyze use Past Program 3.15 systems. Three species of seagrass plant were collected. The total seagrass cover value was 32.6 percent at Jhembangan Beach, and 38 percent at Pasir Putih Beach. Clumped and uniform types were included in the distribution of seagrass at Jhembangan and Pasir Putih beach. The highest of important value index In Jhembangan and Pasir Putih was Thallasia hemprichii, while the association to abiotic factor such temperature, pH, salinity and DO variables are included in the good or perfect correlation with values range from 0.7 to 0.9.

scholarly journals Vegetation Analysis of the Tagafura Protected Forest in the City of Tidore Islands

2020 ◽  
Vol 13 (2) ◽  
pp. 426
Author(s):  
Sabaria Niapele ◽  
Tamrin Salim
Keyword(s):  
Relative Frequency ◽  
Water Cycle ◽  
Research Result ◽  
Vegetation Analysis ◽  
Importance Value Index ◽  
Importance Value ◽  
Forest Park ◽  
The Earth ◽  
The Government ◽  
The City

The existence of Forest park vegetation in Tagafura as the  vegetation cover are  important to be maintain and preserved, since it’s effective for the human live on the earth. The function of this forest park  is to defend the field around the forest in several ways such as, the water cycle, avoid the flood, erosion scheming and the soil fruitfulness keeper. The Tagafura Forest Park has a lot of natural resource, but the structure and the composition of the field are not completely found yet. Based on the the statement above the Researcher are interested to conduct the research entitled “ VEGETATION ANALYSIS OF THE TAGAFURA FOREST PARK IN TIDORE ISLAND to know about the structure and the composition of the vegetation in the Forest park of Tagafura and be able to being as the government substance while made a decision about the Forest park. This research used purposive sampling with a combination of to track and double plot to placement the plot. The data then analyzing used the density and relative density formula, domination and relative domination formula, frequency and relative frequency formula and The Importance Value Index (INP). Based on the research result, the data was founded that the forest has 25 structures include 15 types of Seedlings, 10 type of Stakes, 13 type of poles and 12 types of tress.  The domination of the composition type amount the growth based on the INP is (1). Augenia aromatic with the INP in Seedling are 45,49. INP for Stand  are 18,05. INP for the  are 23,67 and the INP for the trees are 132.08. (2). Myristica fragrans has the INP for the seedlings are 31.44. INP for Stand are 15.11. INP for the poles are 30.27  and the INP for the trees are 47.25.  (3). Gnetum gnemo has the INP for the seedlings are 19,48. INP for Stand are 24.21. INP for the  poles are 49.92  and the INP for the trees are 10.83. (4). Arenga Pinnata has the INP for the seedlings are 18,13. INP for Stand are 36.11. INP for the  poles are 24.04  and the INP for the trees are 17.51. (5). Cinnamomum verum has the INP for the seedlings are 11.84. INP for Stand are 33.17. INP for the  poles are 26.42  and the INP for the trees are 7.36.

scholarly journals Identifikasi Jenis Epifit Dan Tumbuhan Yang Menjadi Penopangnya Di Blok Perlindungan Dalam Kawasan Taman Hutan Raya Wan Abdul Rachman

2014 ◽  
Vol 2 (3) ◽  
pp. 39
Author(s):  
Gesta Rama Noprian Nawawi ◽  
Indriyanto . ◽  
Duryat .
Keyword(s):  
Plant Species ◽  
Forest Ecosystems ◽  
The Other ◽  
Sample Plot ◽  
Importance Value Index ◽  
Importance Value ◽  
Forest Park ◽  
Alstonia Scholaris ◽  
Sampling Intensity ◽  
Area Of Protection

Epiphytic is one among the plants that attaches and grows on other plants for sunlight, water, air, and minerals.  The existence of epiphytes is very important for forest ecosystems due its ability to provide a place for the ants and the other organisme.  The objective of this study were to identify the species of epiphytes, species of cantilever plant, and to know the number of cantilever plant species associated with the species of epiphytes in Wan Abdul Rahman Great Forest Park.  This research was conducted at the protection block, Wan Abdul Rahman Great Forest Park, particularly in the area of Way Balau Sub-watershed.  This research was conducted during September to October 2013.  Epiphytes and cantilever plants species were inventoried in a sampling intensity of 0,2% taken from 796,50 ha of total area of protection blocks, therefore the large of sample plot is 1,593 ha. The size of each sample plot is 400 m2 or 20 m x 20 m, therefore the total number of sample plots are 40 plots.  Observed variables were the species and the number of epiphytes , species of cantilever plant and its number, and the importance alue index for each species.  The result of the study showed that plant are 7 species of epiphytes and 16 species of cantilever plant.  The highest importance value index (IVI) of epiphytes is paku sepat (59,14%).  The highest IVI of cantilever plant is pulai (30,91%).  The most abundant cantilever plant growed by epiphytes is pulai (Alstonia scholaris), pinangsi (Villebrunea rubescens), enau (Arenga pinnata), and medang gabong (Litsea firma).  Result of the study showed that epiphytic mostly found on the cantilever plant that has thicker bark, groove bark, stringy bark, and a tough bark.

scholarly journals KEANEKARAGAMAN DAN KEGUNAAN TUMBUHAN BAWAH PADA BEBERAPA TEGAKAN DI ARBORETUM BALAI PENELITIAN DAN PENGEMBANGAN TEKNOLOGI SERAT TANAMAN HUTAN (BP2TSTH) KUOK

2021 ◽  
Vol 16 (2) ◽  
pp. 128-152
Author(s):  
Arifin Budi Siswanto ◽  
Hadinoto Hadinoto ◽  
Azwin Azwin
Keyword(s):  
Diversity Index ◽  
Systematic Sampling ◽  
Technology Research ◽  
Plant Fiber ◽  
Importance Value Index ◽  
Importance Value ◽  
Mixed Stands ◽  
Plot Size ◽  
Air Infiltration ◽  
Fiber Technology

Underground plants have an important role in soil and air conservation efforts, namely as a source of organic matter, preventing erosion, a source of germplasm and increasing air infiltration into the soil. This study aims to identify the types, diversity and use of understorey under stands of meranti, gaharu and mixed stands in the arboretum of the Kuok Forest Plant Fiber Technology Research and Development Institute (BP2TSTH). The data collection method used systematic sampling with a random start, with a sampling intensity of 5%. The number of plots observed for meranti, gaharu and mixed stands were 50, 25 and 25, respectively, with a plot size of 2 x 2 (m). In the stands were found 17 families of undergrowth consisting of 23 species and 10,338 individuals. In the agarwood stands there are 10 families of undergrowth consisting of 13 species and 9,696 individuals. In the agarwood stands there are 11 families with a diversity of 13 species and 10,328 individuals. Diversity Index and Evenness Index in meranti, gaharu and mixed stands respectively; 1.25 and 0.4; 0.72 and 0.28; 0.72 and 0.28. Paspalum conjugatum is a understorey species with the highest Importance Value Index (IVI) in the three stands.

scholarly journals Analisis Struktur dan Komposisi Vegetasi Tumbuhan Di Taman Hutan Raya Raden Soerjo Prigen Pasuruan

2021 ◽  
Vol 5 (2) ◽  
pp. 114
Author(s):  
Nia Sylviana Sari ◽  
Samsun Hadi ◽  
Rr. Eko Susetyarini
Keyword(s):  
Diversity Index ◽  
Environmental Parameters ◽  
Sampling Technique ◽  
Wealth Index ◽  
Tree Level ◽  
Importance Value Index ◽  
Importance Value ◽  
Dominance Index ◽  
Vegetation Diversity ◽  
Forest Park

Long drought and uncontrolled human activities resulted in R. Soerjo Prigen Pasuruan Grand Forest Park experiencing fire. Adverse impacts on vegetation can result in vegetation death. Damage caused by fire to vegetation can lead to succession which can be seen from the composition and structure of forest vegetation. The purpose of this study was to determine the effect of environmental parameters, structure and composition of plant vegetation in Tahura R. Soerjo, which were used as a learning resource for biology. This study used a purposive sampling technique. The method used is a combination of paths and checkered lines. The data analysis technique used is the Importance Value Index (INP), the dominance index, the diversity index, the wealth index, and the evenness index. The results showed that the identification of plant vegetation diversity was found as many as 33 species from 17 families that came from 3 divisions. The highest INP was found at the seedling level. The value of the dominance index is less than 1. The results show that the value of the density index is low, because it has a value of <3.5. The evenness value is at a high value, except at the tree level.

FLORISTIC COMPOSITION AND DIVERSITY OF TREE SPECIES IN KUMO TOWN AND ITS ENVIRONS

2021 ◽  
Vol 5 (2) ◽  
pp. 560-566
Author(s):  
Sadiq Abdullahi ◽  
H. M. Abba
Keyword(s):  
Tree Species ◽  
Sampling Method ◽  
Floristic Composition ◽  
Species Structure ◽  
Simpson Index ◽  
Adansonia Digitata ◽  
Importance Value Index ◽  
Importance Value ◽  
Systematic Random Sampling ◽  
The Family

Study was conducted on Floristic Composition and Diversity of Tree Species in Kumo Town and its Environs.  The aim was to investigate the Tree Species Structure, composition and diversity. Systematic random sampling method was used to sample the Tree species. The result showed that a total number of Twenty –Seven (27) species belonging to 8 genera and 12 families were identified. The family Leguminosae: Mimosoideae had the highest number of 4 species. The family Combretaceae, Moraceae, Caesalpinoidceae, and Palmae had 3 species each. The family Anacaediaceae, Myrtaceae, were represented by 2 species each. The remaining 5 families; Balanitaceae, Bombacaceae, Meliaceae, Rhamnaceae and Sterculiaceae were represented by 1 species each. The plant with the highest dominance was Adansonia digitata. The Shannon Weiner index was 2.45 and Simpson index was 0.48. This study therefore concluded that the species Azadirachta indica was the most abundant, with highest Relative Density, Relative Frequency, and Importance Value Index in the study area. This study recommended that the plants that had the lowest IVI such as Prosopis africana, Cassia sieberiana, need urgent conservation measures

scholarly journals Analisis Is Structure and Vegetation Composition Increases Tree and Pillar at Hutan Lindung Oereu Village Bani Bani Is Io Kufeudistrict Malacca Regency

2020 ◽  
Vol 5 (1) ◽  
pp. 24-36
Author(s):  
Angela Niis
Keyword(s):  
Basal Area ◽  
Tectona Grandis ◽  
Tree Level ◽  
Importance Value Index ◽  
Importance Value ◽  
Transect Line ◽  
Absolute Density ◽  
The One ◽  
Index Value ◽  
Important Value Index

The purpose of this study was to determine the tree and pole-level plant species found in the Oereu Protected Forest Bani-Bani Village Io Kufeu District of Malacca District, To find out the structure and composition of tree-level plant vegetation and poles found in the Oereu Protected Forest in the Bani-Bani Village District of Io Kufeu District of Malacca, and To implement research on the structure and composition of tree and pole level vegetation in the Oereu Protection Forest of Desa Bani-Bani District of Io Kufeu District of Malacca in learning biology in schools. The method used in this study is the quadratic method by placing a plot beside the transect line. At each transect line, 5 observation plots were placed with the size of each plot 20 mx 20 m = 400 m2 for tree level, and 10 mx 10 m = 100 m2 for pole level, with a distance between plots 25 m. analyzing the structure and composition of tree-level vegetation, and poles found at research sites, namely by calculating absolute density, relative density, absolute frequency, relative frequency, basal area, relative basal area, and important value index. The results of the study were found as many as 13 types of plants consisting of 11 families. When looking at the importance value index at tree level vegetation, the highest important value index is Tectona grandis, L, 57.35%, while the one with the lowest important value index is Alstonia scholaris, L 13.22%, and at pole level vegetation, the index value the highest importance is Tectona grandis, L, 36.33%, while the one with the lowest important value index is Leucena lenccophalla, 16.25%. The type of vegetation that has the highest important value index is because it has a fairly high distribution ability and can adapt well to its environment.

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