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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.
Arjuna Subject : -
Articles 402 Documents
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VARIASI MORFOLOGI DAN ANATOMI Sargassum spp. DI PANTAI BAYAH BANTEN - Triastinurmiatiningsih; - Ismanto; - Ertina
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 11, No 2 (2011): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v11i2.255

Abstract

Sargassum is one of the genus including in Class Phaeophyceae. Sargassum spp. are found as many as 150 species in zone waters tropic, subtropic and frigid zone. This research to know variation morphology and anatomy Sargassum spp. which found in Bayah Beach. Result of the research will giving knowledge for different Sargassum species based on variation morphology and anatomy. Research methods divided of three work phases that are collect in the field, morphology observation and anatomy observation. Collect alga in the field with execute transek method, morphology observation with differents variation formed from cauloid, branching type, filoid, cryptostomata, midrib (middle vein filoid), vesicle (float) dan receptacle (reproduction organ). Anatomy observation with measure length and wide cells, analize cells shape, counting cells amount (enlargement 160 x), from each parts cortex and medulla by cauloid and filoid Sargassum spp. Based observation results are found 7 species Sargassum that are Sargassum binderi, S. cinereum, S. echinocarpum, S. duplicatum, S. plagyophyllum, S. crassifolium dan Sargassum sp. which have in Bayah Beach, South Banten. Such a thing resulted is show that have morphology variation supported by anatomy variation. Key word : Sargassum, morphology and anatomy, Bayah
KEANEKARAGAMAN JENIS JAMUR DI TAMAN WISATA ALAM SITUGUNUNG, CISAAT, SUKABUMI - Triastinurmiatiningsih; Tri Saptari Haryani; Jureka Tampubolon
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 17, No 1 (2017): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v17i1.809

Abstract

Some of the various flora that Indonesia has is the diversity of fungi, lichens and moss. Taman natural  tourism Situgunung is one place that is suitable for mushrooms. The study was conducted at an altitude of 950 m above sea level, 990 m above sea level and 1050 m above sea level. Each height is made of three transect lines with a length of each 100 m transect with a total plot of 90 plot samples. Each transect is made of 10 sample plots measuring 1 x 1 m with a spacing between 10 m. The important value index (INP) that dominates each height is Marasmius copelandi, the height of 990 m above sea level is Stereum ostrea, and the Important Value Index at an altitude of 1050 is Stereum sp. Diversity index of fungal species in the TWA Situgunung area is high with an average value of 3.78.Key words : Situgunung, fungi, index diversity
FORMULASI DAN UJI STABILITAS GRANUL EFERVESEN SARI BUAH SIRSAK (Annona muricata L.) - Prasetyorini; Ike Yulia Wiendarlina; Murni Tiradisuci
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 15, No 2 (2015): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v15i2.202

Abstract

This event will be based on research by the large number of reports on the benefits of soursop for various diseases especially antihipertensi and antihiperuresemia. Forms need to be developed so that a more practical preparations and ketersediannya continuous, one of which is in the form of effervescen granule juice. This research aims to find out whether the soursop fruit juice can be a formulation in granule material of efervesen who meet the requirements of quality, standards and terms of efervesen granule and making it acceptable in society. In the study of fruit juice made with the soursop fruit flesh filter using Batiste, juice drained using Freezedryer with the addition of maltodekstrin 20%. The powder is then made 3 fruit formula granule effervesent with the difference of acid-catalyzed and the manufacturing process is done by the method of smelting using alcohol 70% without binder. Test results show the BSLT fruit pollen have toxic effects against larvae of shrimp Artemiasalina Leach with LC50 108.914 ppm. The results of the evaluation of the third shows the formula for granule corner quietly and solubility are eligible, cohesive, and the granule flow values test froth above 70%, the test results of licentious formula2 has the most preferred taste. Stability test for efervesen granule 8 weeks the most stable at a temperature of 15 ° C containing Sodium ion levels 3, 97g/100 ggranul, potassium of 0, 24g/100 ggranul, 2, 19mg SAG polyphenols/ggranul and vitamins C51, 91mg/100ggranul. Key words : granul, efervesen, stabilitas, sirsak
KAJIAN PERUBAHAN IKLIM DAN KENAIKAN MUKA AIR LAUT DI KAWASAN PESISIR (STUDI KASUS : KABUPATEN TUBAN) Marita Ika Joesidawati
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 13, No 2 (2013): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v13i2.135

Abstract

Perubahan iklim menjadi kajian yang penting  dan sangat menarik pada beberapa  tahun terakhir, karena mengakibatkan kenaikan suhu udara dan kenaikan muka air laut. Tujuan  makalah ini adalah untuk mengkaji model dan skenario iklim yang sesuai diterapkan  sehingga dapat menggambarkan adanya perubahan iklim khususnya wilayah lokal dan  mengembangkan analisis dampak kenaikan muka air laut di kawasan  pesisir. Dalam Makalah ini pemodelan iklim menggunakan perangkat lunak  MAGICC/SCENGEN 5.3(Model sirkulasi global CSIRO, dengan skenario A2-AIM dan B2-AIM) sedangkan kenaikan muka  laut dengan memanfaatkan data Data Sea Level Anomaly dari satelit Altimeter Jason 1A. Hasil pemodelan proyeksi perubahan suhu rata-rata dan perubahan  presipitasi bulanan menunjukkan pola yang teratur meningkat secara linier dan Berdasarkan trend kenaikan nilai SSHA dari satelit altimetri Jason-1 yang diekstraksi dari hasil interpolasi lintasan satelit diperoleh rata-rata kenaikan muka laut relatif selama 7 tahun (2002-2009) sebesar 11,1 mm/tahun. Skenario yang sesuai dengan kondisi daerah pesisir Kabupaten Tuban adalah skenario B2AIM. Hasil  pemodelan MAGICC sesuai dengan skenario B2AIM menunjukkan laju rata-rata kenaikan muka air laut dari tahun 1990-2050 adalah sebesar 0.61 meter.  Hasil pemodelan SCENGEN sesuai dengan skenario B2AIM, menunjukkan perubahan curah hujan yang cukup besar pada bulan Juli, Agustus, September dan Oktober, dan perubahan kenaikan temperatur hasil pemodelan SCENGEN yaitu sebesar 0.19⁰C  1.56⁰C  pada tahun 2050.  Kata kunci : Perubahan Iklim, Kenaikan Muka Laut, Magicc/Scengen, Data  Altimetri Jason-1A
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.
KEANEKARAGAMAN JENIS MAKROALGA YANG BERPOTENSI SEBAGAI BAHAN OBAT DI PERAIRAN PANTAI CIDATU KABUPATEN PANDEGLANG Haris Shobir; Triastinurmiatiningsih .; Ismanto .
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 19, No 2 (2019): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v19i2.1664

Abstract

Macroalgae have various types of polysaccharides such as alginate, gelatin, and bioactive compounds and contain potential pigments as drugs. Research on the diversity of macroalgae types that are potentially as medicinal substances in the waters of Cidatu Beach Pandeglang has done. Research is done by transek method. Sampling locations are differentiated into three stations. Each station is made of three transect with a distance between 5 m and each transect consisting of five plots 1x1 m with a distance between plots 5 m. The potentially medicinal macroalgae in the waters of Cidatu are 10 species which are 3 species of the Chlorophyceae class (Ulva intestinalis, Ulva reticulata and Chaetomorpha crassa), 4 species of the class Phaeophyceae (Padina australis, Turbinaria decurrens, Sargassum crassifolium, and Sargassum polycystum) and 3 species of the class Rhodophyceae (Gracilaria salicornia, Gracilaria coronopifolia and Gelidium sp). The index of diversity in Cidatu beach is 2.169 which is categorized diversity moderate type.
PERBANDINGAN KONSENTRASI HIDROKOLOID DAN KONSENTRASI ASAM SITRAT DALAM MINUMAN JELI SUSU SESUAI MUTU DAN KUALITAS Ade Heri Mulyati; Farida Nuraeni; Dini Restu Dwiyana
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 12, No 2 (2012): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v12i2.243

Abstract

In the manufacture of jelly milk drinks are necessary also other additional ingredients such as sugar is used as a sweetener in the manufacture of jelly while working to ease hydrocolloid dispersion. Potassium citrate is used for auxiliary materials, especially the formation of gel texture carrageenan, citric acid is used as a substance other than flavor in soft drinks, used also as an inhibitor of microbial growth in milk jelly drinks.An analysis of milk jelly beverage products, including the organoleptic analysis of where the testing is done against the panelists to determine the level of liking for the product. Viscosity to determine the viscosity of the product before the final product, the analysis is conducted to determine the strength of the gel on which the final product gel strength will be measured by looking at the gel fracture when pressed with a certain weight. PH measurement is necessary to know the level of acidity flavor obtained from addition of citric acid and then measuring ° brix to see the level of sweetness of the product because of sweetener used is pure sugar. In this study the analysis of protein levels because the products contain milk which is produced by converting nitrogen compounds into ammonium sulfate and then elaborated by NaOH, whereas the liberated ammonia was tied with H3BO4 and then titrated with HCl Key words: Gels, hydrocolloid, sugar, potassium citrate, citric acid, organoleptic,  viscosity, gel strength, pH, ° brix, protein levels
UJI AKTIVITAS EKSTRAK ETANOL KOMBINASI DAUN PANDAN WANGI DAN DAUN JAMBU BIJI TERHADAP Shigella dysenteriae Oom Komala; Durrotun Nafisah Abd.Nf; Novi Fajar Utami
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 21, No 2 (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.v21i2.3666

Abstract

Dysentery can be treated using Pandanus amarylifolius leaves and Psidium guajava leaves. This study aimed to determine the activity of the combination of 96% ethanol extract of P. amarylifolius leaves and P. guajava leaves in inhibiting the growth of Shigella dysenteriae bacteria. Methods. Extraction of P. amarylifolius leaves and P. guajava leaves respectively by using the maceration method with 96% ethanol solvent. For the combination treatment, each of these extracts was combined. Each extract obtained was tested for minimum inhibitory concentration (MIC). The MIC value of P. amarylifolius leaf extract was obtained at a concentration of 30% and P. guajava leaf extract was obtained at a concentration of 40%. Inhibitory width test (IWT) by disc diffusion method was carried out on single extracts and combination extracts, with treatment concentrations of 30% single extract of P. amarylifolius leaf (K1), 40% single extract of P. guajava leaf (K2), combination 1 (P. amarylifolius leaf). 30%+ P. guajava leaf 40%) (K3), combination 2 (35% P. amarylifolius leaf + 40% P. guajava leaf) (K4), combination 3 (40% P. amarylifolius leaf + 40% P. guajava leaf) (K5). The width of the inhibition of the research results of the treatment against S. dysenteriae were analyzed using a completely randomized design and Duncan's test. The results showed that the combination of P. amarylifolius leaf extract and P. guajava leaf was more effective in inhibiting the growth of S. dysenteriae bacteria. The combination of P. amarylifolius leaf extract and P. guajava leaf extract that was most effective in inhibiting the growth of S. dysenteriae bacteria was combination 3 (40% P. amarylifolius leaf extract + 40% P. guajava leaf extract) with an average inhibitory width of 5.625 mm. Keywords: Combination, P. amarylifolius Leaves, P.guajava Leaves, S. dysenteriae
PENYIMPANAN SPERMATOZOA PADA SUHU PRESERVASI DAN BERBAGAI PENGENCER SEMEN TERHADAP DAYA TAHAN HIDUP SPERMATOZOA Desi Septiani; E. Mulyati Effendi; - Moerfiah
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 17, No 2 (2017): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v17i2.763

Abstract

The purpose of this research is to know the quality of diluent which is stored at room temperature and temperature of preservation to survival of spermatozoa, to know the temperature of cement storage to survival of spermatozoa and to know the type of cement diluent material to survival of spermatozoa. The study used local sheep cement. The design used was Randomized Block Design (RAK) Factorial pattern with 2 treatment of storage temperature ie S1 = room temperature; S2 = preservation temperature; and with 4 diluent treatment: P1 = yolk citrate; P2 = skim milk; P3 = liquid milk; P4 = tris of soybeans. The observed variables were the macroscopic and microscopic cement quality prior to dilution, the progressive movement of sperm from each diluent and the progressive movement of sperm at each storage temperature. The administration of yolk citrate diluents affects the survival of spermatozoa compared with other diluents (P 0.05). The preservation temperature gives optimum results in suppressing the rate of decline in survival of spermatozoa (P 0.05). Giving yolk citrate stored at a preservation temperature is apparent in maintaining the survival of spermatozoa with 55% motility for three days. Keywords: survival, spermatozoa, cement diluents, storage temperature
GRANOLA BAR YANG DIFORTIFIKASI DENGAN PROTEIN DAGING KERANG SEBAGAI SNACK SEHAT BAGI ANAK BERKEBUTUHAN KHUSUS Sata Yoshida Srie Rahayu; Tri Aminingsih; Yulianita .
Ekologia: Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup Vol 18, No 2 (2018): Ekologia : Jurnal Ilmiah Ilmu Dasar dan Lingkungan Hidup
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/ekol.v18i2.1655

Abstract

Flour of Anodonta woodiana meat may be added in the manufacture of food products such as granola bar. The aim of addition is to increase the nutritional value on snacks needed by children with special needs through fortification. This research method was done by making products granola bar in three formulas: without the addition of shells flour, the addition of 2.8 gram, and 5.6 gram. Granola bar were made for consumption by children (7-9 years old) and teenager (10-18 years old). Tests performed included organoleptic test. The results of organoleptic test between three formulas of produced granola bar have different characteristics in flavor parameter. The results of the analysis of parameters of color, aroma, and flavor tested by analysis of variance software showed that the most preferred formula is the second formula with the addition 2.8 gram of mussel meat flour. This granola bar snack is a healthy snack that is safe for consumption by children with special needs, because it is made from ingredients that do not contain flavorings, dyes and artificial preservatives.

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