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All Journal Sains Olahraga : Jurnal Ilmiah Ilmu Keolahragaan Bioscientist : Jurnal Ilmiah Biologi
Ananda, Ilham
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Health Professions Immunology & microbiology Physics Social Sciences

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PENERAPAN LATIHAN INTERVAL EKSTENSIF DALAM MENINGKATKAN KECEPATAN LARI SPRINT 100 METER Ananda, Ilham; Suhdy, Muhammad; Syafutra, Wawan
Sains Olahraga : Jurnal Ilmiah Ilmu Keolahragaan Vol 7, No 2: Oktober 2023
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/so.v7i2.27952

Abstract

Penelitian ini bertujuan untuk mengetahui peningkatan kecepatan lari sprint 100 meter pada siswa ekstrakurikuler atletik SMP Negeri 07 Lubuklinggau setelah diberi latihan interval ekstensif. Metode yang digunakan dalam penelitian ini exsperimental semu, Design yang digunakan one group pretest-posttest design. Subyek penelitian ini siswa ekstrakurikuler atletik SMP Negeri 07 Lubuklinggau. yang berjumlah 10 siswa. Instrumen yang digunakan adalah tes lari sprint 100 meter. Teknik analisis data yang digunakan adalah uji t (paired sampel t-test). Hasil yang ditunjukan dalam penelitian ini adanya peningkatan kecepatan lari sprint 100 meter pada siswa ekstrakurikuler atletik SMP Negeri 07 Lubuklinggau setelah diberi latihan interval ekstensif. Hasil uji-t diperoleh nilai thitung sebesar (3.667) > ttabel (2,262) dan P (0,005) < (0,05), maka terdapat perbedaan yang signifikan pada tingkat kecepatan lari sprint 100 meter. Peresentase peningkatan tersebut sebesar 1,25%. Dapat disimpulakan bahawa ada peningkatan signifikan kecepatan lari sprint 100 meter pada siswa ekstrakurikuler atletik SMP Negeri 07 Lubuklinggau.Kata kunci: Latihan, Interval Ektensif, Kecepatan, Lari Sprint 100 Meter
Analisis Uji Multikolinearitas Variabel Lingkungan Hutan Bakongan-Bengkung, Kawasan Ekosistem Leuser: Implikasi Terhadap Habitat Spesies Kunci Ananda, Ilham; Dahlan, Dahlan; Dharma, Wira
Bioscientist : Jurnal Ilmiah Biologi Vol 12, No 2 (2024): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i2.12797

Abstract

This study aims to analyze the multicollinearity of environmental variables in the Bakongan-Bengkung Forest, part of the Leuser Ecosystem, to understand its implications for the habitat of key species such as Sumatran elephants, Sumatran rhinoceros, Sumatran tigers, and Sumatran orangutans. The research was conducted in August 2023 across an area of 75.912,46 hectares spanning three districts in Aceh. The data utilized includes elevation, slope, river density estimation, Normalized Difference Vegetation Index (NDVI), distance from roads, and annual rainfall, sourced from various geospatial datasets. Data processing was performed using ArcGIS 10.3, Google Earth Engine (GEE), and RStudio 4.2.2. Multicollinearity testing was carried out using Pearson correlation coefficients to identify relationships between environmental variables. The analysis revealed a significant positive correlation between elevation and annual rainfall, with a correlation coefficient of 0,724, indicating a strong linear relationship. This correlation suggests that higher elevations in the area are associated with increased rainfall, likely due to orographic effects. These findings are crucial for conservation planning and habitat management for wildlife. The correlation between elevation and annual rainfall should be considered when developing accurate habitat models for key species in the Bakongan-Bengkung Forest, to ensure effective and sustainable conservation strategies.
Co-Authors Dahlan Dahlan Suhdy, Muhammad Syafutra, Wawan Wira Dharma