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INDONESIA
Bioscientist : Jurnal Ilmiah Biologi
ISSN : 23385006     EISSN : 26544571     DOI : https://doi.org/10.33394
Bioscientist : Jurnal Ilmiah Biologi (BJIB), receiving and publishing article in the form of research (scientific article) in the field of biology education and utilization of biological research in learning. Moreover, this journal bridges the gap between research and practice, providing information, ideas and opinion, in addition to critical examinations of biology research and teaching. Through the coverage of policy and curriculum developments, the latest results of research into the teaching, learning and assessment of biology are brought to the fore. Special emphasize are as follow: 1. Research on Learning Biology (Biology Learning Materials at All Education Levels). 2. Pure Research of Biology Developed or Studied to the Sources, Materials, or Instructional Media Biology (Biology Learning Materials at All Education Levels and Application in Society). 3. Curriculum of Biology Education at all Education Levels. 4. Class Action Research (CAR) and Lesson Study in Biology. 5. Other Qualitative Research of Biology Education. 6. The School Management and Biology/Science Laboratory Management. 7. Biology Learning Evaluation. 8. Teacher Professional Issues/Trends in Biology Education. 9. Another Study for the Scope of Biology Education. 10. Research on Environmental Education.
Articles 19 Documents
Search results for , issue "Vol 8, No 1 (2020): June" : 19 Documents clear
MODEL PEMBELAJARAN MRSA DAN PENGARUHNYA TERHADAP KINERJA PENALARAN MERs DAN KETERAMPILAN PEMODELAN SISTEM KOMPLEKS MAHASISWA Sumarno Sumarno; Prasetiyo Prasetiyo; Muslimin Ibrahim
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 1 (2020): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i1.2714

Abstract

Structure adaptation is caused by the interaction of plants with the environment, so it requires system thinking in understanding it. This study was conducted to examine the instructional impact of the Multiple Representations Supported Argumentation (MRSA) learning model which involves students doing reasoning using multi representations to facilitate complex system modeling skills. The study was conducted with an iterative design that involves collecting data with MERs reasoning instruments and modeling complex systems. The research involved 1 model lecturer and 3 partner lecturers and 135 students who took part in the structure of plant development. The results of data analysis show the number of students who think complexly with MERs reasoning has increased by 48%, while the number of students who are able to model complex systems with good criteria has increased by 23%. Correlation test results between MERs reasoning performance with complex system modeling in general showed a positive relationship between 0.07 to 0.61. These evidences indicate that instructional learning has an effect on the progress of MERs reasoning performance as well as having an impact on the progress in achieving the ability of modeling complex systems, thus indicating instructional reasoning with MERs is effective for training systems thinking through modeling complex systems.
KANDUNGAN LOGAM BERAT TIMBAL (Pb) PADA BERAGAM JENIS BIVALVIA DI KAWASAN PANTAI KABUPATEN BANGKALAN Dini Yuliansari
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 1 (2020): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i1.2666

Abstract

Bivalvia is one of the organisms that is able to accumulate heavy metal content in the body. Lead heavy metal (Pb) is a heavy metal that is toxic if the level exceeds the safe limit that has been set both on the body of an organism or in humans. The purpose of this study was to determine the various types of bivalves found in Bangkalan Coastal Madura Island, and to analyze the content of lead heavy metals (Pb) in bivalve bodies found in the region. This research is observational. Sampling was carried out by hand sorting, then identified the type of bivalves that were obtained and then the samples were taken to the laboratory for testing using the Atomic Absorption Spectrophotometer (AAS). The results of the study are known that, the types of bivalves found and identified in the Bangkalan Coastal area of Madura Island are Bamboo Scallops (Solen sp.), Blood Scallops (Anadara granosa), Sweet Scallops (Meretrix meretrix), and Stone Scallops (Placamen isabellina). Laboratory test results of lead heavy metal content (Pb), it is known that each clam accumulates lead heavy metal (Pb) with different amounts of concentration, wherein the heavy metal content of lead (Pb) in Bamboo / Lorry Shells (0.168-0.208 ppm) , Blood Shells (0.152-0.231 ppm), Sweet Shells (0.161-0.288), and Stone Shells (0.143-0.169 ppm), and it is known that the heavy metal content of lead (Pb) of the four bivalves is still below the threshold level of metal contamination according to Kep. Ditjen POM No. 03725/B/SK/VII/1989 which determines that the maximum limit of lead (Pb) heavy metal content in marine organisms is 2 ppm.
INVENTARISASI DAN KARAKTERISASI PLASMA NUTFAH PERTANAMAN UBI JALAR (Ipomoea batatas L.) DI PULAU LOMBOK Sumarjan Sumarjan; Lestari Ujianto; Agung Bagus Darma
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 1 (2020): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i1.2556

Abstract

Lombok Island as an area that still has a high level of food insecurity is deemed necessary to develop tuber crops such as sweet potatoes, this is to support the diversity of existing food sources. This study aims to determine: 1) sweet potato germplasm cultivated on Lombok Island; and 2) the characteristics of sweet potato germplasm on Lombok Island. This research uses a descriptive method. Inventarization is carried out by the exploration method, and using cluster analysis which is then displayed in the form of a phenogram. The results showed: 1) obtained 17 accessions of sweet potato plants spread in 4 districts of Lombok Island; 2) the accessions found consisted of accessions of Sweet Potato KLU, Honey KLU, Purple 04 KLU, Orange Lobar, White Lobar, Purple 01 Lobar, Purple 02 Lobar, Purple 03 Lobar, Ornamental Attic, Attic Yellow, Attic White, Purple 01 Attic, Purple 02 Attic, Honey Lotim, Sokan Lotim, Purple 05 Lotim, and Purple 06 Lotim; 3) the cause of the differences in the characteristics of all observed accessions is genetic factors that are supported by different growing environmental conditions. In the accession of Sweet Potato Beduk KLU and Sokan Lotim are local varieties of sweet potato from Lombok Island, so it needs to be developed to maintain local superior sweet potato varieties from Lombok Island.
PRODUKSI KOKON DAN BIOMASSA CACING TANAH Eisenia foetida PADA BERBAGAI MEDIA BUDIDAYA LIMBAH PETERNAKAN Mashur Mashur
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 1 (2020): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i1.2608

Abstract

Livestock waste has a major influence on environmental pollution, if not managed properly, because it will cause a foul odor. Efforts to manage livestock waste have not been successfully carried out completely, so new innovations are needed by utilizing the Eisenia foetida as a reactor to process it into earthworm cultivation medium. Processing of livestock waste with earthworms can produce high economic value cocoon and biomass. To find out the differences in cocoon and biomass production in five types of livestock waste, a research was carried out using a Completely Randomized Design with five treatments and five replications. The results showed that the use of feces of cattle, goats, horses, broiler chickens, and rumen contents as the medium of Eisenia foetida cultivation had a significant effect (P<0.05) on cocoon and biomass production. Duncan's test results showed that the highest cocoon production of 123.0 eggs/nest box obtained on goat feces medium was significantly different (P<0.05) with feces of cattle, horses, chickens and rumen contents. The highest production of earthworm biomass of 1339.0 eggs/nest box obtained in horse feces medium was significantly different (P<0.05) with feces of cattle, goats, chickens, and rumen contents. The conclusion is: 1) to produce the most cocoon using goat feces; 2) to produce the most earthworm biomass using horse feces; 3) to produce the highest weight gain of earthworms using cattle feces; 4) to produce a weight size per head of earthworms using high rumen contents; and 5) the use of feces of broiler chickens is not recommended as a whole (100%) as a medium or feed in livestock waste treatment because it causes all earthworms to die, so they need to be mixed with other medium or feed ingredients.
BIOPROSPEK MIKROALGA DI PESISIR MUARA PUTAT PULAU LOMBOK Sri Puji Astuti; Baiq Farista; Arben Virgota
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 1 (2020): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i1.2684

Abstract

Aquatic biodiversity in Muara Putat Estuary, Lombok Utara Regency, Lombok Island is the result of nutrient enrichment in the coastal. A complex combination of natural factors that support the growth of barriers in mangrove plants, agricultural and plantations, fish and aquatic invertebrates that regulate during the summer and rainy seasons. As a source of knowledge, biodiversity of aquatic microalgae is a major producer of nutrient chains in the estuary, habitat diversity will affect the source and regulation of aquatic nutrition. Studying microalgae is one of the important tools to determine the condition of an estuary and microalgae bioprospecting in the future. This study aims to determine the prospect of microalgae species found in Muara Putat waters during the summer and rainy season as well as to record the types of local microalgae found in these waters. Water samples are collected at 3 stations covering upstream, middle, and downstream estuary. Measures were carried out on the value of environmental supporting factors such as pH, water temperature, salinity, brightness, and currents. Obtained two local species that dominated the Bacillariophyceae and Chlorophyceae classes, with both of bioprospects that were sufficiently able to act as bio-indicators of aquatic saprobity, biochemical characteristics with various contents, could be as an agent of the Controlled Ecological Life Support System (CELSS), and produces certain metabolites based on changes in aquatic nutrient concentrations.
PENGARUH EKSTRAK Sargassum cristaefolium PADA MULTIPLIKASI Dendrobium antennatum Rchb.f SECARA IN VITRO Faisal Ansyarif; Mursal Ghazali; Aida Muspiah; Rina Kurnianingsih
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 1 (2020): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i1.2672

Abstract

The purpose of this study was to determine the potential and concentration of Sargassum cristaefolium extract as a natural cytokinin in tissue culture media of Dendrobium antennatum Rchb.f. This study is experimental with a completely randomized design, using several extract concentrations compared with the positive control (BAP 1.5 ppm) and negative control (MS0 media). Extract concentrations used 5 ppm, 10 ppm, 15 ppm, 20 ppm, and 25 ppm. Based on analysis of variance (ANOVA), the effect of Sargassum cristaefolium extract on the growth media significant on all parameters. Sargassum cristaefolium extracts caused different responses at certain levels of concentration. Extract concentration of 10 ppm was able to initiate the highest number of shoots and leaves compared to other extract concentrations, where as the concentration 20 ppm was able to accelerate and increase root growth.
PENERAPAN MEDIA PEMBELAJARAN BoneLab UNTUK MENINGKATKAN HASIL BELAJAR PESERTA DIDIK Siti Rabiatul Fajri; Titi Laily Hajiriah; Islahiyah Islahiyah
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 1 (2020): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i1.2656

Abstract

This study aims: 1) to find out the increase in student learning outcomes; and 2) to find out students' responses after applying BoneLab learning media in class VIII at MTs. Nahdlatul Mujahidin NW Jempong. The research method uses Classroom Action Research (CAR), which consists of 2 cycles, each cycle containing the stages of preparation, implementation, observation, and reflection. The research instruments consisted of: 1) teacher observation sheet activity; 2) student observation sheet activity; 3) learning achievement test sheets; and 4) student questionnaire response sheets. The data analysis technique used is quantitative descriptive analysis with percentages. The results of the study stated that, the activities of teachers in the first cycle carried out "very well" with an average percentage of 86.48%. Whereas in the second cycle, it performed "very well" with an average percentage of 89.60%, an increase of 3.12%. Activities of students in the first cycle, the average percentage obtained was 89.30% with the category "very good". While in cycle II, the average percentage obtained was 91.5% with the category of "very good", an increase of 2.2%. The percentage of the number of students experiencing mastery learning outcomes of students in the first cycle was 46%, and in the second cycle was 66%. The percentage of students' responses to learning is 82.8%.
IDENTIFIKASI PARASIT CACING NEMATODA GASTROINTESTINAL PADA SAPI BALI (Bos sondaicus) DI DESA TAMAN AYU KABUPATEN LOMBOK BARAT Supriadi Supriadi; Muhammad Khozin Kutbi; Seli Nurmayani
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 1 (2020): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i1.2658

Abstract

Nematoda worms are one of the helminth groups that have wide distribution in ruminants. Various types of nematoda worms are known as cattle parasites and have affected their health. The aim of this research was to determine the species of gastrointestinal nematoda worms in cattle that were farmed in Taman Ayu Village, Gerung Subdistrict, West Lombok District. A total of 115 stool samples were collected by random sampling from February to August 2018 in 3 sub-village that have high cattle population in Taman Ayu Village. Sampling was carried out by random sampling method in dairy cattle. Fecal samples were examined using native and standard flotation technique to determine the number of species of gastrointestinal nematoda worms. Flotation method was depeloved by employing sugar absolut solution. The results of the examination of the samples have shown 8 species of nematoda parasite worms such as Strongyloides papillosus, Trychosrtongylus sp., Haemonchus contortus, Toxocara vitulorum, Trichuris spp, Nematodirus spp., Capillaria spp., Oesophagostomum spp. and larvae.  Strongyloides papillosus is the species with the highestnumber of infection due to it can be transmitted by autoinfection in the same individual. The farmers limited knowledge about good dairy systems and bad sanitation of cattle farm contribute to high numbers of nematoda worms in fecal samples. It is necessary for farmers to maintain best management dairy systems. Furthermore, routine treatment by anthelmintic will help farmers to protect cattles from the infection.
IDENTIFIKASI RUMPUT LAUT (Seaweed) DI PERAIRAN PANTAI CEMARA KABUPATEN LOMBOK TIMUR SEBAGAI DASAR PENYUSUNAN BROSUR BAGI MASYARAKAT Muhammad Sopiandi Hamdan Kasim; Baiq Muli Harisanti; Ali Imran
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 1 (2020): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i1.2669

Abstract

This study was aimed to determine the identification of macroalgae species in Cemara Beach, Jerowaru District, East Lombok Regency, as the basis for developing biodiversity brochure for public. This is a descriptive explorative  research with sampling technique devided into 4 transects: 1) transect I was in the litoral zone with water conditions that were still quite natural because of lack of influence from the residents; 2) transect II was located in litoral zone near the residential area; 3) transect III was placed in the neritic zone with relatively natural area; and 4) while the transect IV is placed which have same zone as the transect III, but difference by the aquatic environment was directly affected by human activities around the coast. Identification of macroalgae was carried out by in-situ method. Community structure of macroalgae were analyzed using the Shanon-Wiener formula. Based on the results there were found 15 species of macroalgae belonging to the three main divisions namely: Rhodophyta (Red Algae); Phaeophyta (Brown Algae); and Chlorophyta (Green Algae). Based on the results of the validation (graphics, materials, and grammar) by the validator team, concluded that the seaweed diversity brochure was very well qualified without revised so that it was categorized very good for dissemination to public.
PENERAPAN METODE TALKING STICK UNTUK MENINGKATKAN KETERAMPILAN KOMUNIKASI DAN HASIL BELAJAR KOGNITIF SISWA Neni Rinjani; Agus Muliadi; Ida Royani
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 1 (2020): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i1.2689

Abstract

This study aims to determine the level of communication skills and cognitive learning outcomes of students who are taught through talking stick learning models. This research was carried out at Darul Hikmah Middle School, Pagutan Village, Mataram District, Mataram City in the academic year 2018/2019. This type of research is a PTK with a Cycle I and II research design. Design sampling is done randomly. The research sample is class VIII. Data communication results and cognitive learning outcomes, obtained using communication questionnaires and multiple choice tests. Research instruments in the form of questionnaires and tests of student learning outcomes. The results of the study of the level of communication skills of students in the first cycle obtained a classical percentage, namely: 1) 5% (always); 2) 20% (often); and 3) 75% (sometimes). Whereas in the second cycle the classical percentage is obtained, namely: 1) 5% (always); 2) 60% (often); and 3) 35% (sometimes). In the cognitive learning outcomes of students, there are significant differences with students who are taught through the talking stick method, in the first cycle the classical percentage is 55%, and the second cycle is 85% classical percentage. Based on the data obtained, it shows that there is an increase of 30%. Based on the results of data analysis, it can be concluded that through the application of the talking stick method in integrated science learning can improve communication skills and cognitive learning outcomes of eighth grade students at Darul Hikmah Middle School. This is because the talking stick method can invite students to play an active role and involve all the abilities of students they have.

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