Articles

HIPERDOMINANSI JENIS DAN BIOMASSA POHON DI TAMAN NASIONAL GUNUNG GEDE PANGRANGO, INDONESIA Rozak, Andes Hamuraby; Astutik, Sri; Mutaqien, Zaenal; Widyatmoko, Didik; Sulistyawati, Endah
Jurnal Ilmu Kehutanan Vol 11, No 1 (2017)
Publisher : Fakultas Kehutanan Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (397.987 KB) | DOI: 10.22146/jik.24903

Abstract

Hiperdominansi jenis dan biomassa adalah suatu konsep yang menjelaskan pentingnya sebagian kecil jenis dan biomassa relatif terhadap rata-rata biomassa pohon pada suatu kawasan hutan. Pemahaman pada konsep ini berimplikasi pada upaya monitoring kawasan hutan khususnya bagi spesies penyumbang biomassa terbesar dan membantu pemahaman pada proses restorasi ekologinya. Analisis hiperdominansi jenis dan kontribusi pohon besar (DBH>50 cm) terhadap biomassa pohon telah dilakukan di kawasan hutan Taman Nasional Gunung Gede Pangrango (TNGGP). Sejumlah 26 plot pengamatan telah dibuat pada 26 level ketinggian yang berbeda (1013-3010 m dpl) dan dikelompokkan menjadi tiga zona yaitu zona submontana, montana, dan subalpine. Pohon-pohon yang terdapat dalam plot pengamatan kemudian dikelompokkan menjadi 3 kelompok diameter yaitu pohon kecil (5-30 cm), pohon sedang (30-50 cm), dan pohon besar (>50 cm). Hasil analisis menunjukkan bahwa hiperdominansi jenis terjadi di hutan TNGGP. Empat jenis pohon dari 114 jenis yang teridentifikasi yaitu Schima wallichii, Altingia excelsa, Vaccinium varingiaefolium, dan Castanopsis acuminatissima merepresentasikan 56,96% dari total biomassa pohon yang ada di plot TNGGP. Lebih lanjut, pohon kecil dan besar diketahui sebagai penyumbang biomassa yang sangat signifikan dibandingkan pohon sedang. Pada level plot penelitian, pohon dengan DBH>50 cm yang berjumlah 192 individu (atau 13%) dari 1471 individu pohon mampu merepresentasikan 61,4% dari total biomassanya. Namun demikian, pada level kawasan hutan, pohon kecil dan pohon besar memiliki kontribusi yang sama signifikannya terhadap biomassa per hektarnya yaitu masing-masing sebesar 40,9% dan 38,77%. Hasil-hasil tersebut menunjukkan bahwa hanya sedikit jenis pohon saja mampu merepresentasikan sebagian besar dari total biomassa pohon. Pohon-pohon kecil dan besar diketahui memainkan peranan yang penting dalam biomassa di hutan TNGGP.Hyperdominance of Tree Species and Biomass in Mount Gede Pangrango National Park, IndonesiaAbstractThe hyperdominance of tree species and biomass is a concept explaining the importance of a small portion of species and biomass relative to the average of biomass in a forested area. Understanding this concept has important implication on forest monitoring, especially to monitor the most significant species that show high contributes on biomass and its ecological restoration. Hyperdominance analysis of tree species and large trees (DBH > 50 cm) contribution to tree biomass were investigated in tropical mountain forest of Mount Gede Pangrango National Park (TNGGP). A total of 26 sample plots were installed in 26 different altitude between 1013 and 3010 m asl and grouped into three zones i.e. submontane, montane, and subalpine zones. Trees within plot were identified, measured, and grouped into three groups i.e. small (DBH 5-30 cm), medium (DBH 30-50 cm), and large trees (DBH>50 cm). The result showed that there were hyperdominant in TNGGP. Four species from 114 identified tree species i.e. Schima wallichii, Altingia excelsa, Vaccinium varingiaefolium, and Castanopsis acuminatissima represented 56.96% of the total biomass in the plot level. Furthermore, only 13% of trees from 1471 trees responsible for 61.4% of the total tree biomass in the plot level. However, small and large trees have similar significant contribution to the average biomass in the forest level i.e. 40.9% and 38.77%, respectively. These results suggest that only few species represent a huge amount of biomass. Both small and large trees play important role in the forest biomass of TNGGP.
DEVELOPING TEACHING MATERIAL FOR PHYSICS BASED ON COLLABORATIVE CREATIVITY LEARNING (CCL) MODEL TO IMPROVE SCIENTIFIC CREATIVITY OF JUNIOR HIGH SCHOOL STUDENTS Astutik, Sri; Prahani, Binar Kurnia
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol 8, No 2 (2018)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v8n2.p91-105

Abstract

The teaching material for Physics based on collaborative creativity learning (CCL) model is by design to improve scientific creativity, collaborative skills, and science process skills of junior high school students. The focus of this research is to analyze the teaching materials based on CCL model in terms of their validity (content and construct, reliable) and effectiveness to improve students? scientific creativity in the science lesson, particularly for Physics education. The validity and effectiveness of the teaching material were measured by using Validation Assessment Sheet (VAS) and Scientific Creativity Assessment Sheet (SCAS). The data were analysed through mean validity score, Cronbach?s coefficient alpha, Wilcoxon test, N-gain, and Mann Whitney test. The results of this study include: (1) validity of the the CCL-based teaching materials for Physics fulfill validity criteria (valid and reliable); (2) in terms of components of validity, the CCL-based teaching materials for Physics: (a) there is an increase of students? scientific creativity with the alpha of ? = 0.05, (b) the average score of students? scientific creativity was in medium category, and (c) there is no significant different improvement (consistent) of scientific creativity skills in all groups. The implication of this developmental research of CCL-based teaching materials for Physics has proven to be valid and effective to increase the scientific creativity of junior high school students, particularly in Motions and Simple Machine chapters.
PENGARUH LKS BERBANTUAN SCAFFOLDING DALAM MODEL CREATIVE PROBLEM SOLVING (CPS) TERHADAP KREATIVITAS ILMIAH FISIKA SISWA SMA Fatimah, Siti Iklimatul; Astutik, Sri; Supeno, Supeno
JURNAL PEMBELAJARAN FISIKA Vol 8 No 3 (2019): Jurnal Pembelajaran Fisika
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v8i3.15223

Abstract

Abstract Scaffold-assisted student worksheets in the creative problem solving model are provided in groups, while also facilitating student scientific creativity. The purpose of this study was to examine the variation of scaffold-assisted worksheets in the creative problem solving model of the scientific creativity of high school students. The type of research used is quasi-experimental. The method used is purposive sampling area. The sample in the study was in class X MIPA 3 and X MIPA 4. The research design used was Non Equivalent Control Group Design. The data in this study are the results of post-tests conducted at the end of the study. To see whether there was a variation of scaffold-assisted worksheets in the creative problem solving model of creativity using an independent sample t-test with the help of SPSS 23. Post-test average results are 60.21. Then tested using the independent sample t-test test, in which there was an influence between the scaffold assisted in the creative problem solving model of the scientific creativity of high school students. Key word: Scientific creativity, physics learning, student worksheets creative problem solving
PENGARUH PERPUTARAN KAS, PERPUTARAN PIUTANG DAN PERPUTARAN PERSEDIAAN TERHADAP PROFITABILITAS PADA PERUSAHAAN CONSUMER GOODS YANG TERDAFTAR DI BURSA EFEK INDONESIA PERIODE 2010 S.D 2014 Astutik, Sri; ', Makhdalena; Trisnawati, Fenny
Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan Vol 4, No 1 (2017): Wisuda Februari 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan

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Abstract

Abstract: This study aims to determine the effect of cash turnover, accounts receivable turnover and inventory turnover, both simultaneously and partially on the profitability of the Consumer Goods companies listed in Indonesian Stock Exchange period 2010 to 2014. The total number of listed compaies in the Consumer Goods sub-sector is 38 companies. Consumer Goods companies population who have the necessary data in this study is 13 companies. . Data analysis techniques used in this research is multiple linear regression analysis. The result showed that the cash turnover, accounts receivable turnover and inventory turnover simultaneously affect the profitability of the company amounted to 13.6%. Further research showed that the effect of the partial cash turnover on the profitability of 0.073%, the effect on profitability piutan turnover amounted to 14.36%, and the effect of inventory turnover to profitability by 0.86%.Key Words: Profitability, Cash Turnover, Receivable Turnover, Inventory Turnover.
THE PRINCIPLE OF LEGAL RELATIONSHIP BETWEEN SYARI’AH BANKS AND CUSTOMERS SAVING THEIR MONEY Astutik, Sri
Hang Tuah Law Journal VOLUME 1 ISSUE 2, OCTOBER 2017-MARCH 2018
Publisher : Universitas Hang Tuah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30649/htlj.v1i2.24

Abstract

Saving money in syari’ah banks may be conducted through aqad Wadiah and aqad Mudharabah, in the form of wadiah giro, wadiah saving, mudharabah saving, mudharabah deposit, and other financial products in line with the syari’ah of Islam. The legal relationship between syari’ah banks and customers saving their money is an agreement specifically mentioned in a written contract about saving some money in syari’ah banking, and it is called Aqad (i.e., contract). In financial collection, the relationship between syari’ah banks and the customers (depositor) is in the form of partnership. The principle underlying that partnership is the principle of trust and amanah.
PENGARUH MODEL KOOPERATIF TIPE TALKING STICK DISERTAI METODE EKSPERIMEN TERHADAP HASIL BELAJAR SISWA PADA MAPEL IPA FISIKA DI MTs N BANGSALSARI JEMBER Hofifah, Zevi; Bektiarso, Singgih; Astutik, Sri
JURNAL PEMBELAJARAN FISIKA Vol 4, No 1 (2015)
Publisher : FKIP Universitas Jember

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Abstract

The purpose of this study was to examine the influence of significant learning model coopratif type Talking Stick accompanied by experimental methods to study the results of the learning activities of students during cooperative learning using the following model types Talking Stick accompanied by experimental method in grade VII in the MTS N Bangsalsari. This type of research is the study of true experiments, and research determined using the method of purposive sampling area. The research was conducted at MTs Bangsalsari Country, the study determined after a test of its homogeneity. Design research using the control-group post test only design. Data collection techniques are documented, observation, interviews, and tests. Data analysis techniques to answer the first problem is to use a t-test is using independent sample t test. Data analysis techniques to answer the second problem that is by using the observation sheet student learning activities. Based on the results of the test t with the help of Independent-Sample T-test results obtained by the value of the sig. 0.0005 < 0.05 Ha was rejected and then Ho accepted, meaning that there was significant influence between the IPA learning outcomes of students who use cooperative learning model type Talking Stick accompanied experimental methods. Results of the learning activities of students during the learning process using model following the cooperative type of Talking Stick accompanied experimental methods are active in the category because it is on the range of 60%-80%, that is, with an average percentage of 70,27%.
KAJIAN KINEMATIKA JALUR WISATA GUNUNG BROMO MELALUI SENDURO-LUMAJANG SEBAGAI E-SUPLEMEN BAHAN AJAR FISIKA SMA Handayani, Intan Dwi; Bektiarso, Singgih; Astutik, Sri
FKIP e-PROCEEDING Vol 4 No 1 (2019): Prosiding Seminar Nasional Pendidikan Fisika
Publisher : Pendidikan Fisika FKIP UNEJ

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Abstract

Pada zaman modern seperti ini, pembelajaran yang ada di sekolah hendaknya mampu memanfaatkan fasilitas-fasilitas yang ada. Salah satunya media elektronik seperti HP yang sudah tidak asing lagi di kalangan masyarakat khususnya siswa. Dengan fasilitas yang ada maka pembelajaran harusnya mampu membuat siswa menjadi lebih aktif. Pembelajaran tersebut dapat dilakukan dengan menggunakan sumber belajar kontekstual, artinya bahwa materi pada sumber belajar dikaitkan langsung dengan kondisi nyata untuk mendapatkan data-data real di lapangan. Namun pada faktanya masih banyak sumber belajar yang kurang meninjau dari data-data atau fakta langsung di lapangan, sehingga materi yang seharusnya membutuhkan pemahaman konsep dengan baik masih tergolong kurang dikembangkan, salah satunya materi fisika tentang kinematika gerak. Tujuan penelitian ini adalah mengkaji kinematika gerak yang memanfaatkan potensi lokal Gunung Bromo jalur Senduro-Lumajang untuk dijadikan buku suplemen atau buku penunjang di sekolah dalam bentuk elektronik yang disebut dengan e-suplemen bahan ajar. Jenis penelitian yang digunakan adalah deskriptif kuantitatif. Hasil yang diperoleh dari penelitian ini berupa data-data besaran fisika tentang kinematika gerak, yaitu gerak lurus yang dilakukan pada dua lintasan, yaitu lintasan datar (kecepatan) dan lintasan miring atau menurun (kecepatan dan percepatan) untuk dikaji dan dijadikan bahan untuk pembuatan e-suplemen bahan ajar fisika berbasis potensi lokal.Kata Kunci: Pembelajaran Fisika, Kinematika Gerak, Suplemen Bahan Ajar
ANALISIS KEMAMPUAN ARGUMENTASI SISWA SMP PADA PEMBELAJARAN IPA Imaniar, Berliana Oni; Astutik, Sri
FKIP e-PROCEEDING Vol 4 No 1 (2019): Prosiding Seminar Nasional Pendidikan Fisika
Publisher : Pendidikan Fisika FKIP UNEJ

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Abstract

Perkembangan IPTEK pada abad 21 menuntut inovasi di bidang pendidikan untuk meningkatkan kemampuan berpikir tingkat tinggi utamanya pada kemampuan argumentasi. Kemampuan argumentasi dapat digunakan untuk memperkuat suatu pernyataan melalui suatu analisis berpikir kritis dengan bukti dan alasan yang logis. Penelitian ini bertujuan untuk menganalisis kemampuan argumentasi siswa SMP pada pembelajaran IPA. Kemampuan argumentasi terdiri atas, kemampuan memberikan bukti dan justifikasi dari argumen, kontra argumen, dan sanggahan. Pencapaian skor dari kemampuan argumentasi dapat dibagi menjadi lima, yaitu Sangat Rendah (SR), Rendah (R), Sedang (S), Tinggi (T), Sangat Tinggi (ST). Hasil dari analisis kemampuan argumentasi siswa SMP pada pembelajaran IPA materi suhu dan kalor berada pada kriteria Sedang (S). Hasil dari penelitian ini diharapkan dapat digunakan sebagai dasar untuk meningkatkan suatu kemampuan argumentasi pada kegiatan pembelajaran IPA di SMP.Kata kunci : Pendidikan, Argumentasi, SMP, Abad 21, Penalaran
MODEL PEMBELAJARAN COLLABORATIVE CREATIVITY (CC) BERBASIS SETS TERHADAP KEMAMPUAN BERPIKIR KREATIF PADA PEMBELAJARAN FISIKA Kamilasari, Nur Wandiyah; Astutik, Sri; Nuraini, Lailatul
FKIP e-PROCEEDING Vol 4 No 1 (2019): Prosiding Seminar Nasional Pendidikan Fisika
Publisher : Pendidikan Fisika FKIP UNEJ

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Abstract

Pembelajaran fisika menjelaskan fenomena alam berupa konsep, teori, dan prinsip memecahkan permasalahan secara ilmiah sehingga untuk mendapatkan solusinya tidak hanya melalui kecerdasan siswa tetapi juga menggunakan kemampuan berpikir kreatif dalam mencari alternatif solusi yang dihadapkan. Kemampuan berpikir kreatif sangat penting karena merupakan bagian dari komponen kognitif yang membantu siswa mencapai keberhasilan proses pembelajaran serta untuk menciptakan berbagai alternatif solusi dari suatu permasalahan. Kenyataannya kemampuan berpikir kreatif siswa masih rendah karena aktivitas pembelajaran yang berpusat pada guru serta sulitnya memecahkan permasalahan dengan berbagai alternatif solusi. Peneliti menawarkan suatu solusi melalui cara pembelajaran yang berpengaruh terhadap kemampuan berpikir kreatif siswa. Collaborative Creativity (CC) berbasis SETS merupakan pembelajaran yang berpusat pada siswa melalui kerjasama antar individu melalui proses ilmiah untuk tujuan menyelesaikan tugas bersifat kreatif dengan menghubungkan permasalahan nyata dalam kehidupan sehari-hari terkait dengan lingkugan, teknologi, dan masyarakat (SETS) yang mampu menumbuhkan daya berpikir kreatif, inisiatif, tanggungjawab dan mampu bekerja sama dengan teman disekitarnya. Adapun kemampuan berpikir kreatif akan dinilai menurut indikator kemampuan berpikir kreatif yang dikembangkan oleh peneliti sebelumnya. Penelitian ini dilakukan dengan metode deskriptif yang dilaksanakan dijenjang SMA. Hasil penelitian ini disimpulkan bahwa kemampuan berpikir kreatif siswa utamanya dalam pembelajaran fisika dapat ditingkatkan melalui pembelajaran collaborative creativity (CC) berbasis SETS.Kata Kunci: Kemampuan Berpikir Kreatif, Collaborative Creativity (CC), SETS
MODEL PEMBELAJARAN CREATIVE PROBLEM SOLVING (CPS) UNTUK MENINGKATKAN PENGUASAAN KONSEP DAN KETERAMPILAN KREATIVITAS ILMIAH SISWA Pratiwi, Yuni Dyah; Lesmono, Albertus Djoko; Astutik, Sri
JURNAL PEMBELAJARAN FISIKA Vol 7 No 4 (2018): Jurnal Pembelajaran Fisika
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v7i4.9660

Abstract

Creative Problem Solving is a learning model which gives the opportunity to students constructing concepts, discussing materials, issuing opinions, and developing creativity in learning group. The purpose of this research was understand the improvement of concepts comprehension and scientific creativity skill of students on Elasticity and Hooke's law. This research was included in descriptive. This research was carried out based on the school availability as a place of research,. Research respondent in this case is Man 1 JEMBER in Science Class. Furthermore, sampling technique in this study was based on purposive sampling area. Collecting data method used pre-test and post-test. In this research, the instrument was essay test, consisted of nine item of concept comprehension and seven item of scientific creativity. The data analysis method of concept comprehension and seven item of scientific creativity used Normalized Gain (Ng). Based on this study, the concept comprehension of students significantly increased to 0,71 (high) while the scientific creativity skill increased to 0.4 (medium).Keyword: CPS, Concept Comprehension, Scientific Creativity Skill