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All Journal Quagga: Jurnal Pendidikan dan Biologi
Sukron Aminudin
Universitas Kuningan
Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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Analysis of Soil Properties Variations on Various Slope Directions on the National Vegetation Ecosystem of Mount Ciremai, West Java Agus Yadi Ismail; Cecep Kusmana; Eming Sudiana; Sukron Aminudin; Mai Fernando Nainggolan
Quagga: Jurnal Pendidikan dan Biologi Vol 16 No 2 (2024): QUAGGA : Jurnal Pendidikan dan Biologi
Publisher : Program Studi Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25134/quagga.v16i2.128

Abstract

Mount Ciremai National Park has an area of ±15,500 ha with soil characteristics at various heights and varied slope directions. This study aims to determine the characteristics of soil properties in Gunung Ciremai National Park based on slope direction and its relationship with vegetation growth. The method used in this study is a systematic sampling method based on height intervals on four slopes with depths of 0-15 cm and 16-30 cm. The results showed 1). Soil pH in all four slopes with different heights in the acid-neutral category, 2). The soil texture is classified as sandy-loam and sandy-clay loam, 3). C-organic content is classified as low-very high, 4). The content of N-Total is classified as low-high. 5). P2O5 content is classified as very low-low, 6). K content is classified as low-very high, 7). Ca content is low-very high, and 8). Mg content is classified as low to high. Significant correlation tests of soil physical and chemical properties are found on several parameters such as C/N ratio, K, and Mg.
Diversity of Morphological Characteristics of Kaliandra Flowers (Calliandra spp.) in the Highland Forest of Mount Ciremai National Park, Indonesia Sukron Aminudin; Zaenal Abidin
Quagga: Jurnal Pendidikan dan Biologi Vol 17 No 2 (2025): QUAGGA : Jurnal Pendidikan dan Biologi
Publisher : Program Studi Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25134/quagga.v17i2.379

Abstract

Knowledge of the morphological characteristics of kaliandra flowers (Calliandra spp.) that live naturally in highland forests in conservation areas can provide an understanding related to their adaptation to the growing environment and support efforts to preserve endemic plants. This study aims to see the diversity of morphological characteristics of red kaliandra (Calliandra calothyrsus) and white kaliandra (Calliandra portoricensis) flowers in Mount Ciremai National Park. Plant selection was carried out using the purposive sampling method with the following criteria: 1). the position of the plant can be reached, 2). It has good flower morphological conditions, is not deformed, and is dry. Observations were made at 14.00 local time to get good flower conditions, and documented. Then the morphological data was analyzed using the descriptive and visualized qualitative method. The results of the study showed that almost all morphological variables had similarities, but there were different variables in these two types, namely the color of the stamens, the color of the petals and the flower crown.
Co-Authors Cecep Kusmana Eming Sudiana ISMAIL, AGUS YADI Nainggolan, Mai Fernando Zaenal Abidin