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I Made Merdana
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INDONESIA
Advances in Tropical Biodiversity and Environmental Sciences
Published by Universitas Udayana
The journal encompasses original research articles, review articles and case studies including: Environmental sciences, Biology, Atmospheric sciences, Environmental chemistry, Earth science, Ecology, Forestry, Agro-forestry, Biodiversity, Taxonomy, Ethnobiology, Vegetation Survey, Bioremediation, Geosciences, Organism and Conservation of Natural sciences.
Articles 85 Documents
Seagrass (Enhalus acoroides) as an Heavy Metal Bioindicator on Biomonitoring Water Quality in Sanur Beach Bali Ni Putu Putri Wijayanti; I Nyoman Giri Putra
Advances in Tropical Biodiversity and Environmental Sciences Vol 3 No 1 (2019): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (190.106 KB) | DOI: 10.24843/ATBES.2019.v03.i01.p05

Abstract

Abstract. Heavy metal contamination is a major threat for marine ecosystem that directly affecting the organisms’ life. Some of marine organisms have an ability to response the heavy metal contamination in water, and could be used as bio-indicator. One of them is seagrass that used in this study to evaluate the water quality in Sanur beach. This study was held in Sanur beach, Denpasar, from July-August 2018. Sampling location determined by purposive sampling method and generated 4 research stations. Sediments and seagrass leaves (Enhalus acoroides) was collected and analyzed in Analytical Laboratory Udayana University using ICPE-9000. Water quality parameters measured in situ (temperature and salinity) and in Medical Laboratory Bali Province (pH and DO). The results showed if the water quality in all research stations were in safety range based on Governor Regulation No. 16 of 2016 about marine water quality for tourism and recreation. The highest content of heavy metal (Pb) in sediment is 16.207 mg kg-1 that possessed by the 1st station, while the lowest is 14.318 mg kg-1 at the 3rd station. The highest Pb content in seagrass leaves at the 2nd station is 5.646 mg kg-1, and the lowest at the 1st station is 4.926 mg kg-1. The 3rd station sediment had the highest Cd content is 2.252 mg kg-1 and the 4th station had the lowest is 2.044 mg kg-1, while for leaves with the highest Cd content was at the 4th station is 0.552 mg kg-1 and the lowest at the 3rd station is 0.458 mg kg-1. The Cu content in sediment was highest at the 1st station is 11.533 mg kg-1 and the lowest at the 3rd station is 8.501 mg kg-1. For leaves’ Cu content, the highest amount of Cu is 3.699 mg kg-1 at the 4th station, while the lowest at the 2nd station with 2.570 mg kg-1.
Marketing Channels Efficiency Analysis of Scad (Decapterus sp.) Catches of Traditional Fishermen in Pengambengan Village Jembrana, Bali Dita Dwi Ayu Isukadana; I Wayan Restu; I Ketut Wija Negara
Advances in Tropical Biodiversity and Environmental Sciences Vol 5 No 1 (2021): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (656.043 KB) | DOI: 10.24843/ATBES.2021.v05.i01.p06

Abstract

Efficient marketing is characterized by low marketing margins and high farmer's share. This research was conducted to determine the condition and level of efficiency marketing channels Scad in Pengambengan Village during February-March 2020. The method used was descriptive qualitative method and quantitative descriptive by observation and interviews. Interviews were conducted with fishermen, collectors, wholesalers and retailers. The Marketing margin analysis and farmer's share were used to determine level of efficiency marketing channel. The results of the analysis show that there were two patterns of marketing channels for Scadthat were caught by traditional fishermen in Pengambengan Village. Marketing channel pattern I was a two-level channel pattern, while marketing channel pattern II was a three-level channel pattern. The marketing margin value in the two-level channel pattern was Rp5.700/kg with a farmer's share of 71%. The marketing margin value in the three-level channel pattern was Rp9.700/kg with a farmer's share of 59%. The marketing efficiency value obtained in two-level marketing channel pattern was 6%, while in three-level channel marketing pattern the marketing efficiency value was 8%. Based on the values obtained, the marketing efficiency of two-level channel pattern was as efficient as the three-level channel pattern. Thus, the marketing of Scad that were caught by traditional fishermen in Pengambengan Village was classified as efficient marketing.
The Expression Of Cd4+ Lymphocytes Of Bali Cattle After Consuming Mixed Mirerals Ni Ketut Suwiti; M Windhu; Ni Luh Watiniasih; I Nengah Kerta Besung; I Nyoman Suartha
Advances in Tropical Biodiversity and Environmental Sciences Vol 1 No 2 (2017): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (480.196 KB) | DOI: 10.24843/ATBES.2017.v01.i02.p04

Abstract

Minerals play an important role in activating the lymphoid cells. Mineral deficiency can cause interference prolifrasi in lymphocytes, particularly the expresion of CD4+. Bali cattle are hardly given additional mineral due to cattles are in semi-intensive breeding method. Therefore, this study aims to determine the expression of CD4+ lymphocytes Bali cattle after consuming of mixed mineral. The samples used were 32 male bali cattles reared in the village of Catur, Kintamani, Bangli regency. Samples were divided into 2 groups, those were: 16 individul of bali cattle was given 7.5gr additional of mixed mineral per individual/day, and theother 16 individual as acontrol. The treatmnes were conducted for 3 months. The results showed that administration of 7.5gr mixed mineral per individual/day did not show differences in the expression of CD4+ lymphocyte of bali cattle.
Cover, Table of Content and Editorial Team Admint ATBES
Advances in Tropical Biodiversity and Environmental Sciences Vol 3 No 2 (2019): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (292.293 KB)

Abstract

PUBLISHER : Research Center and Community Service Board, Udayana University. Campus of Bukit Jimbaran, Badung, Bali, Indonesia
Application of Dosage Combinations of Evagrow Biofertilizer and Chemical Fertilizer on Soil Characteristics, Growth and Yield of Rice I Nyoman Merit; I Wayan Narka; Tatiek Kusmawati
Advances in Tropical Biodiversity and Environmental Sciences Vol 1 No 1 (2017): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (148.856 KB) | DOI: 10.24843/ATBES.2017.v01.i01.p01

Abstract

Research on the effect of dosage combination of Evagrow bio-fertilizer and chemical fertilizers on soil properties, growth and yield of rice has been carried out in the glasshouse, Faculty of Agriculture, Udayana University using factorial experiment with a Randomized Block Design (RBD). The first factor is Evagrow bio-fertilizer in 3 level, i.e. E0 (without bio-fertilizers), E1 (5 g bio-fertilizer/L) E2 (10 grams bio-fertilizer/L). The second factor is chemical fertilizer, which consists of 3 levels: K0 (without chemical fertilizers), K1 (150 kg Urea/ha + 75 kg SP36/ha + 37.5 kg KCl/ha), K2 (300 kg Urea/ha + 150 kg SP36/ha + 75 kg KCl/ha). The results showed that chemical fertilizers give a significant and very significant effect on most of the rice growth and yield parameters. The application of chemical fertilizers K1 and K2 increased yield of dry grain harvest to 52.87% and 102.54% compared to controls.  Application of Evagrow bio-fertilizer did not significantly increase growth and yield of rice. There is no interaction between chemical fertilizers and Evagrow bio- fertilizer.  Similarly to some of the soil characteristics, biological fertilizer and chemical fertilizer application did not show significant effect on most of the soil characteristics, except on salt levels.Keywords: Evagrow Biofertilizer, Inorganic Fertilizer, Oryza Sativa
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Advances in Tropical Biodiversity and Environmental Sciences Vol 4 No 2 (2020): ATBES
Publisher : Institute for Research and Community Services Udayana University

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Abstract

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The Structure of Macrozoobenthos Community as a Bioindicator of Water Quality in Gilimanuk Bay, Jembrana Regency, Bali Yohana Christanti Ndale; I Wayan Restu; Ni Putu Putri Wijayanti
Advances in Tropical Biodiversity and Environmental Sciences Vol 5 No 2 (2021): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (646.427 KB) | DOI: 10.24843/ATBES.2021.v05.i02.p04

Abstract

Gilimanuk Bay is a water area located in Melaya District, Jembrana Regency, West Bali Region. In this area, there are development and human activities that have an impact on the quality of the waters so that they interfere with the life of organisms such as macrozoobenthos. Macrozoobenthos can be the bioindicator that determining the condition in a water area. The decline of the macrozoobenthos community structure is an indicator of a disturbance in the ecosystem in these waters. The purpose of this research to know how community structure of macrozoobenthos and the condition of the water quality in Gilimanuk Bay. This research was conducted in June to July 2020. The research used the quantitative descriptive method, with 3 of the research stations. Based on the result of the research, it has found 45 species of macrozoobenthos that included from 5 classes, there are Gastropods, Bivalves, Crustaceans, Polychaeta and, Sipunculidea. The highest total abundance was at station 3, namely 534.33 ind/m2, station 1 is 522.00 ind/m2 and the lowest abundance is at station 2, namely 371.33 ind/m2. The diversity index obtained was classified as moderate, which ranges from 1.53-1.89, the uniformity index is classified as moderate, which ranges from 0.47-0.57, while the dominance index is low to moderate, which ranges from 0.29-0.44. Based on the macrozoobenthos community structure and the interrelation with water quality, Gilimanuk Bay is classified as moderately polluted waters.
Effect of Different Stocking Densities on the Growth and Survival Rate of Tilapia (Oreochromis niloticus) Seeds in Batur Lake Floating Net Cages Hikmah Nurazizah; I Wayan Arthana; Gde Raka Anggara Kartika
Advances in Tropical Biodiversity and Environmental Sciences Vol 5 No 2 (2021): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (599.186 KB) | DOI: 10.24843/ATBES.2021.v05.i02.p03

Abstract

Stocking density is an important factor in cultivation, it can save land use, and increase the efficiency of fish farming. The purpose of this research was to determine the different density information on tilapia seeds measuring 2-3 cm as an alternative to using tilapia (O. niloticus) seeds 7-9 cm in size so that they can be developed in Batur Lake. The research was conducted in January - March 2020 in the floating net cages in Trunyan Kintamani village, Bangli, Bali. The research used a completely randomized design method with three treatments and three repetitions. The Tilapia seeds used are 2-3 cm with different stocking densities, 100 ind/m3, 150 ind/m3, and 200 ind/m3. The parameters observed were SGR (Specific Growth Rate), absolute growth, SR (Survival Rate), FCR (Feed Conversion Ratio), and water quality including temperature, DO, pH, TDS. The results of this study indicated that stocking density did not have a significant effect on the growth and survival rate of tilapia seeds, because the temperature was too cold so that the tilapia seeds failed to adapt properly at the beginning of stocking and the physiological conditions of the fish were disturbed so that the fish experienced stress and went to died. Water quality parameters measured include temperature with a range value of 25.86-25.880C, pH with a range value of 9.08-9.13, DO (Dissolved oxygen) with a range value of 7.9-8 mg/L, and TDS (Dissolved solids) with a range value of 1040.25-1041.58 mg/L.
Cover, Table of Content and Editorial Team ATBES Admint
Advances in Tropical Biodiversity and Environmental Sciences Vol 5 No 2 (2021): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (708.167 KB)

Abstract

TABLE OF CONTENTS EFFECT OF THIOPHENONE COMPOUND ON MOTILITY AND CASEINASE PRODUCTION OF AEROMONAS HYDROPHILA Pages 40-44 Ayu Ashari Margareth Sinaga, Pande Gde Sasmita Julyantotro, and Dewa Ayu Angga Pebriani MALASSEZIA SP. INFECTION PREVALENCE IN DERMATITIS DOGS IN BADUNG AREA Pages 45-49 Putu Henrywaesa Sudipa, Ketut Tono Pasek Gelgel, and Putu Devi Jayanti EFFECT OF DIFFERENT STOCKING DENSITIES ON THE GROWTH AND SURVIVAL RATE OF TILAPIA (OREOCHROMIS NILOTICUS) SEEDS IN BATUR LAKE FLOATING NET CAGES Pages 50-56 Hikmah Nurazizah, I Wayan Arthana, and Gde Raka Anggara Kartika The Structure of Macrozoobenthos Community as a Bioindicator of Water Quality in Gilimanuk Bay, Jembrana Regency, Bali Pages 57-63 Yohana Christanti Ndale, I Wayan Restu, and Ni Putu Putri Wijayanti EFFECT OF GIVING DIFFERENT DOSES OF VITAMIN E IN FEED TO THE LEVEL OF GONAD MATURITY OF TILAPIA (OREOCHROMIS NILOTICUS) Pages 64-68 Gunawan Tarigan, I Wayan Arthana, and Dewa Ayu Angga Pebriani PROFILE OF LEACHATE AND SEA WATER IN THE WASTE PROCESSING AREA SUWUNG, DENPASAR, BALI Pages 69-72 Pande Kadek Ari Iswari, I Wayan Restu, and Ni Made Ernawati
Malassezia sp. Infection Prevalence in Dermatitis Dogs in Badung Area Putu Henrywaesa Sudipa; Ketut Tono Pasek Gelgel; Putu Devi Jayanti
Advances in Tropical Biodiversity and Environmental Sciences Vol 5 No 2 (2021): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (413.842 KB) | DOI: 10.24843/ATBES.2021.v05.i02.p02

Abstract

Malasseziosis is a common fungal infection in dogs and it is secondary to the initial underlying dermatitis infection. These infections can worsen the prognosis of disease in dogs. The study was conducted on 26 dogs that were treated in several veterinary clinics in the Badung, Bali. This study aimed to determine the incidence rate of Malassezia sp. in dogs with dermatitis. Samples were collected using tape smear method from the skin lesion and then by microscopic examination. The results were tabulated and analyze descriptively. The results showed that 15 of the 26 samples of dogs tested positive were infected with Malassezia sp. (58%). Infection is more common in male (60%) and geriatric dogs (40%). Lesions were more common in the ear, limb, vaginal and inguinal region of infected dogs