Garuda - Garba Rujukan Digital

TREE SPECIES DIVERSITY IN THE LOWLAND FOREST OF THE CORE ZONE OF THE BUKIT DUABELAS NATIONAL PARK, JAMBI, INDONESIA RAHMAH RAHMAH; KUSWATA KARTAWINATA; NISYAWATI NISYAWATI; WISNU WARDHANA; ERWIN NURDIN
REINWARDTIA Vol 15, No 1 (2016): Vol.15 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v15i1.2440

RAHMAH, KARTAWINATA, K., NISYAWATI, WARDHANA, W. & NURDIN, E. 2016. Tree species diversity in the lowland forest of the core zone of the Bukit Duabelas National Park, Jambi, Indonesia. Reinwardtia 15(1): 11 - 26. — An analysis of the composition and structure of a one-hectare plot of forest on a lowland hill slope in the eastern core zone of the Bukit Duabelas National Park, Jambi, was conducted in October and November 2012. The objective of the study was to obtain a descriptive account of the structure and tree species composition of a lowland forest in the eastern core zone of the park. The plot was divided into 100 subplots of (10 m × 10 m) each and the seedling subplots (5 m × 5 m) were nested in the sapling subplots. A total of 414 trees were recorded with DBH (Diameter at Breast Height) ?10 cm, representing 113 species and 38 families, with the total BA (Basal Area) of 25.71 m2 and Shannon- Wiener diversity index of 4.29. Prunus arborea with IV (Importance Value) of 19.19 is the dominant species and the other prevalent species were, Dracontomelon dao (IV =11.46) and Hydnocarpus sp. (IV =11.38). A total of 44 species (38.9%) had each density of 1 tree/ha, which may be considered locally rare. Ficus fistulosa had the highest density (24 trees/ha) and Prunus arborea had the highest BA (3.28 m2 = 12.8% of the total). Only 10 species had F (frequency) of 8-18%, of which Hydnocarpus sp. had the highest (18%); the remaining species had F<8%, which may be considered locally rare. Moraceae (IV= 34.05) was the dominant family. The two richest families were Moraceae (11) and Clusiaceae (9). A total of 61 species were registered in the Sumatra checklist and one of them was endemic (Baccaurea dulcis). A total of 13 species are listed in the IUCN Red List. The forest is a developing community after disturbance in the past with poor regeneration. Species with complete representation of trees, saplings and seedlings will probably remain in the forest in the future.

Analysis Of Public Policy On The Management Of The Covid-19 Outbreak In Indonesia Wisnu Wardhana; Mutiara Kejora Timur
Journal of Politics and Policy Vol. 3 No. 2 (2021)
Publisher : Journal of Politics and Policy

Show Abstract | Download Original | Original Source | Check in Google Scholar

This article discusses the efforts of the Indonesian government in dealing with cases of Coronavirus 19 (COVID-19) transmission. By understanding the government's efforts, measures, and policies formulated and implemented, the processing strategy can be evaluated. To analyze this, a deliberative policy analysis method is used, namely analyzing the narrative and arguments of the authorities in charge of understanding the implementation of decisions and policies, the writing of this article adopts a qualitative method, namely the descriptive analysis method. The data collection technology used is library research using books, journal articles, newspapers, online news, and websites of authoritative organizations. The important findings of this article are, first, the negative narrative and the slow response of the government to the spread of COVID-19. The narrative conveyed by political elites before COVID-19 entered Indonesia did not have a sense of crisis and would not threaten the speed of decision making. Second, there is weak coordination among stakeholders, especially between the central government and local governments. This coordinated synchronization results in unstable coronavirus control. Third, citizens are indifferent or disobedient to government calls. As a result, efforts to deal with it stopped because they did not receive support from the wider community. The combination of these three factors complicates the government's efforts to control the spread of COVID-19 in Indonesia.Keywords: Covid-19,Policy,Government

Gorlov Water Turbine Application in Ambon, Kepulauan Maluku; A Hypothetical Project Wisnu Wardhana; Zahra Aisyiyah Rahayu; Shade Rahmawati
International Journal of Offshore and Coastal Engineering (IJOCE) Vol 6, No 1 (2022)
Publisher : DRPM (Direktorat Riset dan Pengabdian kepada Masyarakat) ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25800914.v6i1.13150

As energy demand increases, it must be balanced with sufficient energy sources to support the growth of Indonesia's electrification ratio. No exception with the development of energy demand and supply on Ambon, Maluku Islands. This study uses a Renewable Energy Power Plant, a water turbine that uses ocean currents from the flow path of an artificial canal plan in Ambon, Maluku Islands. The shape of the area is interesting things to make an artificial canal as a flow path for ocean currents from the different height at that location. Due to the height difference cannot be determined with certainty, in this study, the authors vary the height difference between the sea in the east and west, it's 1m to 5m. Current modelling uses a numerical approach using the Surface-Water Modeling System (SMS) 8.1 software simulation. Then the average current velocity in the canal in each height variation obtained. The experimental data from journal references are used in calculating the turbine torque for a full-scale afterwards adjusted to the current speed generated in each variation. The turbine with the greatest torque is selected, owned by the 4-blades Gorlov NACA0012 with 25% efficiency and 9.5m turbine diameter totalling 1 unit.

TREE SPECIES DIVERSITY IN THE LOWLAND FOREST OF THE CORE ZONE OF THE BUKIT DUABELAS NATIONAL PARK, JAMBI, INDONESIA RAHMAH RAHMAH; KUSWATA KARTAWINATA; NISYAWATI NISYAWATI; WISNU WARDHANA; ERWIN NURDIN
REINWARDTIA Vol 15, No 1 (2016): Vol.15 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/reinwardtia.2016.2440

RAHMAH, KARTAWINATA, K., NISYAWATI, WARDHANA, W. & NURDIN, E. 2016. Tree species diversity in the lowland forest of the core zone of the Bukit Duabelas National Park, Jambi, Indonesia. Reinwardtia 15(1): 11 - 26. — An analysis of the composition and structure of a one-hectare plot of forest on a lowland hill slope in the eastern core zone of the Bukit Duabelas National Park, Jambi, was conducted in October and November 2012. The objective of the study was to obtain a descriptive account of the structure and tree species composition of a lowland forest in the eastern core zone of the park. The plot was divided into 100 subplots of (10 m × 10 m) each and the seedling subplots (5 m × 5 m) were nested in the sapling subplots. A total of 414 trees were recorded with DBH (Diameter at Breast Height) ?10 cm, representing 113 species and 38 families, with the total BA (Basal Area) of 25.71 m2 and Shannon- Wiener diversity index of 4.29. Prunus arborea with IV (Importance Value) of 19.19 is the dominant species and the other prevalent species were, Dracontomelon dao (IV =11.46) and Hydnocarpus sp. (IV =11.38). A total of 44 species (38.9%) had each density of 1 tree/ha, which may be considered locally rare. Ficus fistulosa had the highest density (24 trees/ha) and Prunus arborea had the highest BA (3.28 m2 = 12.8% of the total). Only 10 species had F (frequency) of 8-18%, of which Hydnocarpus sp. had the highest (18%); the remaining species had F<8%, which may be considered locally rare. Moraceae (IV= 34.05) was the dominant family. The two richest families were Moraceae (11) and Clusiaceae (9). A total of 61 species were registered in the Sumatra checklist and one of them was endemic (Baccaurea dulcis). A total of 13 species are listed in the IUCN Red List. The forest is a developing community after disturbance in the past with poor regeneration. Species with complete representation of trees, saplings and seedlings will probably remain in the forest in the future.

Web Profile Unit Usaha Universitas Pembangunan Panca Budi Wisnu Wardhana; Nurul Fadhillah; Putri Khairunnisa; Niko Surya Atmaja
Jurnal ilmiah Sistem Informasi dan Ilmu Komputer Vol. 3 No. 3 (2023): November : Jurnal ilmiah Sistem Informasi dan Ilmu Komputer
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juisik.v3i3.671

Panca Budi Development University has many business units that serve students / I to buy and obtain lectures and food and beverage needs. The UNPAB business unit is located in the middle of the campus. The UNPAB business unit has several businesses including Photo Copy, Home Cafe, Padi Mart and Laziz Canteen. Photo Copy provides learning and teaching equipment, laminating, binding and so on. Café Beranda provides various types of snacks such as soup, french fries. Padi Mart provides minimarket snacks. And the Laziz Canteen provides heavy meals such as fried rice with other side dishes, there is also a water depot. The problem that occurs is that the whereabouts of all UNPAB Business Units are unknown apart from staff, lecturers, students and UNBAP students, so sales do not increase and cause unstable turnover considering that many business unit operational needs must be paid for, this can cause the business unit to not develop. Therefore a way is needed so that the UNPAB Business Unit is better known and known by the wider community. This research makes a web Profile application so that the UNPAB Business Unit can be known by the wider community. The application is made using web programming which consists of two users, namely business unit data managers and the community. Business unit data managers serve as servers and the public serve as users. This application uses data management media, namely the MySQL Database. With the UNPAB Business Unit Web Profile, the UNPAB Business Unit is better known and known by the wider community.

Konstruksi Sosial Pedagang Pasar dalam Strategi Bertahan Hidup pada Masa Pandemi Covid-19 Dear Lova Sukoco; Fahmi Hidayat; Wisnu Wardhana
Dewantara : Jurnal Pendidikan Sosial Humaniora Vol. 2 No. 2 (2023): Juni : Dewantara : Jurnal Pendidikan Sosial Humaniora
Publisher : Universitas 45 Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30640/dewantara.v2i2.1047

This paper aims to explain the existence of traditional markets as an example towards endemic. This research is an attempt to awaken people who are still doubtful about the existence of post-pandemic COVID-19, and this makes herd immunity, which is the main goal as well as a way to end the pandemic, and awareness of society is the key to make it happen. This study uses a qualitative paradigm with an ethnographic approach. Data collection was carried out using the method of observation, documentation and also interviews. The results of the study found that the condition of traditional markets during the pre-pandemic period was not much different from what experienced by the environment or public area, but it became different when the recovery process began where traditional markets managed to reach the stage of herd immunity earlier than other social environments. Hence, traditional markets has its own way to survive on pandemic. Existence of this research is aim to the endemic situation and economic recovery will be realized more quickly, especially for people who have managed to survive the pandemic so that endemic situations that happen faster can make people prepare for the possibility of worst situations in the future.

TREE SPECIES DIVERSITY IN THE LOWLAND FOREST OF THE CORE ZONE OF THE BUKIT DUABELAS NATIONAL PARK, JAMBI, INDONESIA RAHMAH RAHMAH; KUSWATA KARTAWINATA; NISYAWATI NISYAWATI; WISNU WARDHANA; ERWIN NURDIN
Reinwardtia Vol. 15 No. 1 (2016)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v15i1.2440

RAHMAH, KARTAWINATA, K., NISYAWATI, WARDHANA, W. & NURDIN, E. 2016. Tree species diversity in the lowland forest of the core zone of the Bukit Duabelas National Park, Jambi, Indonesia. Reinwardtia 15(1): 11 - 26. — An analysis of the composition and structure of a one-hectare plot of forest on a lowland hill slope in the eastern core zone of the Bukit Duabelas National Park, Jambi, was conducted in October and November 2012. The objective of the study was to obtain a descriptive account of the structure and tree species composition of a lowland forest in the eastern core zone of the park. The plot was divided into 100 subplots of (10 m × 10 m) each and the seedling subplots (5 m × 5 m) were nested in the sapling subplots. A total of 414 trees were recorded with DBH (Diameter at Breast Height) ?10 cm, representing 113 species and 38 families, with the total BA (Basal Area) of 25.71 m2 and Shannon- Wiener diversity index of 4.29. Prunus arborea with IV (Importance Value) of 19.19 is the dominant species and the other prevalent species were, Dracontomelon dao (IV =11.46) and Hydnocarpus sp. (IV =11.38). A total of 44 species (38.9%) had each density of 1 tree/ha, which may be considered locally rare. Ficus fistulosa had the highest density (24 trees/ha) and Prunus arborea had the highest BA (3.28 m2 = 12.8% of the total). Only 10 species had F (frequency) of 8-18%, of which Hydnocarpus sp. had the highest (18%); the remaining species had F

Analisa Penurunan Umur Transformator Akibat Pengaruh Pembebanan dan Temperatur di PT PLN (Persero) P3B Sumatera UPT Palembang Gardu Induk Keramasan Wisnu Wardhana; Abdul Azis; Yudi Irwansi
Jurnal Surya Energy Vol. 9 No. 1 (2024)
Publisher : Teknik Elektro, Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jse.v9i1.283

Transformator merupakan komponen utama dalam sistem distribusi listrik yang berperan penting dalam menjaga keandalan pasokan tenaga listrik. Kenaikan suhu dan pembebanan berlebih dapat mempercepat penurunan umur transformator, yang berdampak pada efisiensi dan umur pakai peralatan. Penelitian ini bertujuan untuk menganalisis pengaruh pembebanan dan kenaikan temperatur terhadap penurunan umur transformator di Gardu Induk Keramasan PT PLN (Persero). Analisis dilakukan dengan pendekatan perhitungan laju penuaan thermal relatif, menggunakan data operasional transformator. Hasil penelitian menunjukkan bahwa transformator beroperasi dengan beban rata-rata di bawah 30%, dengan beban tertinggi tercatat sebesar 17,2271 MVA pada pukul 10.00, yang mengakibatkan rugi tembaga sebesar 9,4802 kW dan kenaikan temperatur hot spot hingga 73,60°C. Perhitungan susut umur harian transformator menunjukkan nilai rata-rata sebesar 2,6164 jam per hari, yang berdampak pada laju penuaan transformator. Berdasarkan susut umur tersebut, sisa umur transformator diperkirakan sekitar 6,1153 tahun. Penelitian ini menyimpulkan bahwa transformator daya masih dapat beroperasi untuk jangka waktu yang cukup lama sebelum mencapai akhir masa pakainya, namun perlu dilakukan pemantauan lebih intensif terhadap kenaikan temperatur dan beban selama jam puncak untuk menjaga keandalan dan memperpanjang masa pakai transformator.

TREE SPECIES DIVERSITY IN THE LOWLAND FOREST OF THE CORE ZONE OF THE BUKIT DUABELAS NATIONAL PARK, JAMBI, INDONESIA RAHMAH RAHMAH; KUSWATA KARTAWINATA; NISYAWATI NISYAWATI; WISNU WARDHANA; ERWIN NURDIN
Reinwardtia Vol. 15 No. 1 (2016)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v15i1.2440

RAHMAH, KARTAWINATA, K., NISYAWATI, WARDHANA, W. & NURDIN, E. 2016. Tree species diversity in the lowland forest of the core zone of the Bukit Duabelas National Park, Jambi, Indonesia. Reinwardtia 15(1): 11 - 26. — An analysis of the composition and structure of a one-hectare plot of forest on a lowland hill slope in the eastern core zone of the Bukit Duabelas National Park, Jambi, was conducted in October and November 2012. The objective of the study was to obtain a descriptive account of the structure and tree species composition of a lowland forest in the eastern core zone of the park. The plot was divided into 100 subplots of (10 m × 10 m) each and the seedling subplots (5 m × 5 m) were nested in the sapling subplots. A total of 414 trees were recorded with DBH (Diameter at Breast Height) ?10 cm, representing 113 species and 38 families, with the total BA (Basal Area) of 25.71 m2 and Shannon- Wiener diversity index of 4.29. Prunus arborea with IV (Importance Value) of 19.19 is the dominant species and the other prevalent species were, Dracontomelon dao (IV =11.46) and Hydnocarpus sp. (IV =11.38). A total of 44 species (38.9%) had each density of 1 tree/ha, which may be considered locally rare. Ficus fistulosa had the highest density (24 trees/ha) and Prunus arborea had the highest BA (3.28 m2 = 12.8% of the total). Only 10 species had F (frequency) of 8-18%, of which Hydnocarpus sp. had the highest (18%); the remaining species had F

Title

Found 19 Documents
Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title Search

Found 19 Documents Search

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Title

Found 19 Documents
Search