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EKOLOGIA : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Published by Universitas Pakuan
ISSN : 14419447     EISSN : 26864894     DOI : 10.33751
Core Subject : Science, Education, Social, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Mathematics
Ekologia adalah jurnal ilmiah yang diterbitkan untuk mengakomodasi tulisan hasil penelitian bagi sivitas akademika Universitas Pakuan khususnya dan instansi lain di luar Universitas Pakuan pada umumnya. Jurnal ini memuat artikel primer yang bersumber langsung dari hasil penelitian Ilmu Dasar dan Lingkungan Hidup. Ekologia diterbitkan dua kali dalam setahun yaitu pada bulan April dan Oktober oleh Fakultas Matematika dan Ilmu Pengetahuan Alam-Universitas Pakuan. Semoga Jurnal ini bermanfaat bagi perkembangan hasanah ilmu pengetahuan.
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Articles 381 Documents
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ANALISIS RESPON MAHASISWA FKIP UNIVERSITAS JEMBER TERHADAP KERUSAKAN FUNGSI SUNGAI DAN DAMPAK YANG DITIMBULKANNYA Yunita Sari Ayundah Diniarti
EKOLOGIA Vol 21, No 1 (2021): EKOLOGIA : JURNAL ILMIAH ILMU DASAR DAN LINGKUNGAN HIDUP
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v21i1.2799

Abstract

The activity of disposing of waste and other polluting items into the river pollutes the river and has a big impact on living things. The inappropriate use of the river causes damage to the function of the river. This problem cannot be resolved in a short time, it takes self-awareness of each community to overcome these problems. As a student who is considered a young man who can make changes to the nation, each student should feel sympathy and an effort to spark ideas for solving the problems above. However, in fact there are not many students who have good responses to the above problems, so a study is needed to see the extent to which students respond to these problems. The purpose of writing this article is to find out how the 3rd semester students of Jember University respond to the damage to the function of the river and its impacts. This study used the subjects of several FKIP students, University of Jember semester 3, batch 2019. The above research was conducted using quantitative and qualitative methods. The results showed that the response of the students regarding the damage to the function of the river and the impacts it caused was quite good which can be seen from the high percentage value found in the table of the results of the description of student responses on indicators two to four. However, in the first indicator there are still deficiencies in student responses to innovations in preventing damage to river functions.
PEMODELAN INCIDENT RATE DEMAM BERDARAH DENGUE DI INDONESIA YANG BERKAITAN DENGAN FAKTOR LINGKUNGAN MENGGUNAKAN METODE GEOGRAPHICALLY WEIGHTED REGRESSION (GWR) Kiki Amelia; Latifa Oktafiani Asril; Lasmi Febrianti
EKOLOGIA Vol 20, No 2 (2020): EKOLOGIA : JURNAL ILMIAH ILMU DASAR DAN LINGKUNGAN HIDUP
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v20i2.2167

Abstract

Dengue hemorrhagic fever cases in Indonesia often occur in cities and villages. Every year hundreds to thousands of people must be hospitalized due to this disease. There are several factors of the physical environment that directly or indirectly influence the transmission of this disease. Such as rainfall, air temperature, and humidity. In addition to the physical environment there are several other factors that can increase the occurrence of dengue cases, namely population density and the level of larvae free in an area. For this reason, we conducted a study of the above factors and their contribution in the addition of dengue cases that occurred in Indonesia in 2015 using secondary data. The purpose of this study is to identify and make a BDB iricident rate model related to environmental factors such as temperature, humidity, population density, and the amount of rainfall on the number of cases of dengue hemorrhagic fever in Indonesia in 2015. The method used is the Geographically Weighted Regression method. (GWR). In the GWR model the parameter estimation uses Weighted Least Square (WLS) by weighting the gaussian kernel function. The results of the study concluded that modeling with GWR was better than linear regression and the variables were significantly different in each region.
UJI KUALITAS MIKROBIOLOGI DAN KIMIAWI SEDIAAN YOGHURT BERBAHAN DASAR KACANG BOGOR (Vigna subterranea) Rika Sri Agustina; Tri Saptari Haryani; . Ismanto
EKOLOGIA Vol 21, No 1 (2021): EKOLOGIA : JURNAL ILMIAH ILMU DASAR DAN LINGKUNGAN HIDUP
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v21i1.3000

Abstract

Yogurt is milk fermented with Lactobacillus bulgaricus and Streptococcus thermophilus bacteria. Yoghurt is derived from milk, which is a source of protein, one source of vegetable protein is bambara groundnut milk. The purposes of this research are to determine the quality of yoghurt made from bambara groundnut through microbiological and chemical tests and to determine the concentration of milk and the optimal fermentation temperature for making yoghurt with the best quality. This research used a completely randomized factorial design with the concentration of bambara groundnut milk of 15%, 20%, and 25% and the fermentation temperature of 35°C, 40°C, and 45°C and a four-time repetition. The result of this research shows that the best quality of yoghurt made from bambara groundnut was obtained from the treatment of bambara groundnut milk with the concentration of 20% and the fermentation temperature of 45°C with the results of total coliform, Salmonella sp., Listeria monocytogenes, total lactic acid bacteria, bacterial morphology, protein, acidity, fat and organoleptic respectively: 0 MPN/gram, negative/25gram, negative/25gram, 2.6x109 colonies/gram, circular shape, milky white, convex elevation, Gram positive, 3.74%, 1.77 %, 0.68% and liked by panelists.
INDENTIFIKASI FAMILI ZINGIBERACEAE DI KAWASAN HUTAN GUNUNG BUA KERINCI Tomi Apra Santosa; Sisi Yulianti
EKOLOGIA Vol 20, No 2 (2020): EKOLOGIA : JURNAL ILMIAH ILMU DASAR DAN LINGKUNGAN HIDUP
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v20i2.2374

Abstract

Zingiberaceae is a family of ginger plants found in the forest area of Mount Bua Kerinci. However, many species of the family have not been properly identified. This research aims to find out the type of family Zingiberaceae in the forest of Mount Bua Hill. This type of research is qualitative research with exploratory survey methods. The data collection techniques used are observation and documentation. The results showed that the family species zingiberaceae found are 5 clans and 9 Species namely Curcuma domestica (Turmeric), Zingiber aromaticum (Lempuyang), Etlingera elatior (Kecombrang), Curcuma Heyneana (Temu Giring), Curcuma aeruginosa (Black Meeting), Curcuma zedoria (White Meet), Zingiber cassumunar (Bangle), Amomun maximum (Cardamom), Kaemperia galanga (Kencur).
KEANEKARAGAMAN TUMBUHAN LIANA DI HUTAN BULLA KECAMATAN UMALULU KABUPATEN SUMBA TIMUR Orfi Randjamandi; Yohana Makaborang; Anita Tamu Ina
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 22, No 2 (2022): Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v22i2.4696

Abstract

The purpose of this study was to determine the diversity of lianas in the Bulla Forest, Umalulu District, East Sumba Regency. Sampling at the research site using a combined method (belt transect). The data obtained were analyzed using a quantitative descriptive approach with the Shanon Wiener diversity index formula. Plant samples were calculated using a quadratic transect with a plot size of  5 x 5 meters with a distance between them of15 meters placed perpendicular to the line towards a depth of 100 meters using a plot of 15 plots. Environmental factors measured were soil pH, humidity and air temperature. Measurements were made at each observation station. The results obtained 12 species consisting of Piper betle L., Dioscorea alata L., Paederia scandens L. Piper caducibracteum, Connarus semidecandrum jack, Smilax lasioneura,  Cyclea barbata, Vitis quadrangula, Gynura procumbens (Lour.) merr., Melothria pendula L., Odontacarya truncata, and Cocculus carolinus L. The diversity index obtained was in the moderate category with a value of  H' = 1.894.
PERBANDINGAN DAYA HAMBAT DARI EKSTRAK DAN HASIL FERMENTASI BAWANG PUTIH (Allium sativum) TERHADAP BAKTERI Escherichia coli Oom Komala; Putri Dwi Antini; Novi Fajar Utami
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 22, No 2 (2022): Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v22i2.6259

Abstract

Allium sativum is a plant that generally grows in the highlands and is used to treat digestion, anti-inflammatory, hypertension. Meanwhile, fermented onions are fermented garlic for 40 days and are used as medicine for diabetes, hypertension, hypercholesterolemia. These fermented garlic and fresh garlic contain alkaloids, flavonoids, saponins, and tannins. The purpose of this study was to compare the antibacterial activity of fermented garlic and garlic by determining the minimum inhibitory concentration (MIC) and Inhibitory Width (LDH) against E. coli bacteria. Method: Garlic fermentation is done by wrapping fresh garlic in aluminum foil and putting it in a rice cooker for 40 days. MIC test at concentrations of 20%, 25%, 50% and 75% with agar dilution method and LDH test with disc diffusion method at concentrations of 25%, 50% and 75%. The results showed that fermented garlic and garlic extracts were able to inhibit E. coli bacteria with the Minimum Inhibitory Concentration (MIC) at a concentration of 25%. Garlic extract is the most optimal extract at a concentration of 75% having antibacterial activity compared to fermented onion extract with an average Inhibitory Width (LDH) of 7.43 mm in the medium category. Conclusion: fresh garlic extract had better antibacterial activity than fermented garlic extract against E. coli.
STRATEGI PENGEMBANGAN SANCTUARY RUSA TIMOR (Rusa timorensis) TAMAN WISATA ALAM GUNUNG TUNAK, LOMBOK TENGAH Lutfia Azizah; Agum Muladi
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 22, No 2 (2022): Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v22i2.5436

Abstract

Taman Wisata Alam Gunung Tunak is a conservation area located in Central Lombok Regency. One of the tourist attractions that can be developed in TWA Gunung Tunak is the Timor Deer Sanctuary (Rusa timorensis). To be developed into a tourist attraction, a study was conducted that aimed to develop a timor deer sanctuary at TWA Gunung Tunak. The method used is through observations carried out directly in the field and interviews with 2 management units managing the area and analyzed using a SWOT (Strength, Weakness, Opportunities, Threats) analysis. The results showed that the recommendation strategy, namely First, the S-O strategy of 2.5 by optimizing and increasing cooperation and utilizing the budget according to the planning that has been prepared. Second, the S – T strategy of 2.2 by optimizing and utilizing the budget in sanctuary management by improving facilities and infrastructure. Third, the W-O strategy of 1.66 by optimizing coordination and planning budgets for sanctuary management needs. Finally, the W-T strategy of 1.36 by increasing and planning for the management needs of timor deer in improving sanctuary commodities. So it can be concluded that the priority strategy that can be used in developing the TWA Gunung Tunak timor deer sanctuary is the S-O strategy with a value of 2.50. The strategy carried out is to optimize and increase cooperation and utilize the budget according to the planning that has been prepared to maximize the implementation and development of the timor deer sanctuary.
POTENSI MINYAK JAHE MERAH DAN MINYAK JERUK MANIS SEBAGAI BAHAN AKTIF ALAMI DALAM PEMBUATAN HANDSANITIZER Jhelsia Sisilia Tandikura; Sophia Grace Sipahelut; Gelora Helena Augustyn
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 22, No 2 (2022): Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v22i2.5229

Abstract

The COVID-19 pandemic that has hit the world requires everyone to maintain hand hygiene as a way to avoid this virus. Hand sanitizer is an instant option for cleaning hands. The use of essential oils in hand sanitizers is considered safer than alcohol. This study aims to study the antiseptic activity, physical and organoleptic characteristics of hand sanitizers in combination with red ginger oil and sweet orange oil. This study was designed using a completely randomized design (CRD) with one factor, namely a combination of red ginger oil and sweet orange oil, with three treatment levels: 75% : 25%, 50% : 50%, dan 25% : 75%. Parameters analyzed included antisepticby Replika method, dispersibility, pH, density, homogeneity and organoleptic tests (texture, aroma, and color). The results showed that hand sanitizer with a combination treatment of 25% red ginger oil and 75% sweet orange oil had a stronger antiseptic effectiveness compared to other treatments. 6.2 cm which shows the consistency of the hand sanitizer that is comfortable when used, the hand sanitizer gel is homogeneous, without any coarse grains and is still organoleptically acceptable for texture, aroma and color.
KEANEKARAGAMAN EPIFIT BERPEMBULUH PADA BATANG POHON INANG ANGIOSPERMAE DAN GYMNOSPERMAE DI KEBUN RAYA CIBODAS Aditiya Nurrahma; Ismanto .; Taufikurrahman Nasution
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 22, No 2 (2022): Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v22i2.5789

Abstract

Epiphytes are types of plants that attach and grow on other plants to obtain sunlight, water, air, and minerals for their growth. The aim of this study are knowing the diversity of vascular  epiphytes on the host trunks of Angiosperms and Gymnosperms, knowing the differences in vascular epiphytic communities on the host trunks of Angiosperms and Gymnosperms and to determine factors causing vascular epiphytes communities on the host trunk is used in this research. Sampling plot is located on the host tree's trunk to facilitate the calculation of vascular epiphytes; a simple plot measuring 2 m x 0,5 m was made facing east and west. Determination of the number of tree sampling is done based on the Area Species Curve. The results of this study indicate that the vascular epiphyte diversity on trunks of Gymnospermae is higher than Angiospermae, meanwhile that Shannon Wiener diversity index of vascular epiphytes on Angiosperms and Gymnosperms host trunks being moderate category. Jaccard Similarity index  was 0.44 and indicated the different of epiphytes community between  Angiospermae and Gymnospermae tree host. The dominant species based on Important value index in Angiosperms are Davallia hymenophylloides (35,05%), Goniophlebium subauriculatum (20,92%), and Dendrobium mutabile (20,07) while ini Gymnosperme are Davallia hymenophylloides (41,36%), Goniophlebium subauriculatum (15,94%), and Peperomia tetraphylla (15,55%). In Angiospermae, the factors that influence the diversity of vascular epiphyte species are roughness and thickness, while in Gymnosperms the influential factors are roughness and diameter.
ANALISA KEBIJAKAN MITIGASI DAMPAK DAN STRATEGI PENURUNAN GAS RUMAH KACA DI PT XYZ MENGGUNAKAN METODE ANALYTIC HIERARCHY PROCESS (AHP) Djoko Suharyanto; Iman Basriman; Tatan Sukwika
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 22, No 2 (2022): Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekologia.v22i2.6214

Abstract

Environmental issues have now become a critical topic for the attention of countries around the world, especially efforts to prevent climate change by mitigating greenhouse impacts. There are six types of greenhouse gases, namely Carbon dioxide (CO2), Methane ( CH4 ), Nitrous oxide ( N2O ), Hydro perfluorocarbons ( HFC ), Perfluorocarbons ( CFCs ), Sulfur Hexafluoride ( SF6) this which naturally exists in the air (atmosphere). The gas layer causes infrared heat rays A to reflect sunlight, causing geothermal heat that reaches 13°C.    The earth's temperature will increase when the greenhouse gas layer gets bigger. Increased greenhouse gas (GHG) concentrations contribute to climate change by destroying stratospheric ozone and trapping excessive heat in the atmosphere. CO2 contributes 76.7% of total GHG emissions. Industrial activities are suspected to be one of the sources of co2 emission production. Research using the Analytic Hierarchy Process (AHP) method aims to analyze impact mitigation policies and GHG reduction strategies carried out by PT XYZ as one of the manufacturing industries committed to contributing to mitigating the impact of greenhouse gases. The research results obtained the Priority Policy on the operation of production machines at the Factory 1 location. The strategies carried out include replacing old machines that are no longer efficient with new machines that are more productive, and efficient in their electricity use, the use of high technology, and changing the layout or layout of machines that are more compact and grouped based on the type of product. From the analysis using the Analytical Hierarchy Process (AHP) method, it was concluded that the most priority greenhouse gas (GHG) impact mitigation policy was to reduce CO2 emissions based on the use of electrical energy by Reducing the use of electrical energy.

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