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Journal : Biota

PENGARUH FAKTOR ABIOTIK TERHADAP HUBUNGAN KEKERABATAN TANAMAN Sansevieria trifasciata L Anita Restu Puji Raharjeng
Biota Vol 1 No 1 (2015): Vol.1 No.1 Agustus 2015
Publisher : Faculty of Science and Technology Universitas Islam Negeri Raden Fatah Palembang

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Abstract

Sansevieria trifasciata L. (Agavaceae) is a plant that can be grown in all places, both in lowland and highland. Malang with its heights ranging from the coast to 1,200 m asl is interesting to be studied because it has great potential for the diversity of Sansevieria. Altitude affects the soil and climatic conditions, so that the altitude affects the phenotype of the plant. The aim of this study was to investigate the influence of abiotic factors on the relationship of Sansevieria trifasciata L. that grow at different altitude. Sansevieria samples were taken from 23 locations in Malang in lowland and highland. The observation was on the morphology, and it abiotic factors, ie altitude, temperature, humidity, soil pH, precipitation, and light intensity. The results showed that the abiotic factors have little effect on the morphology of Sansevieria trifasciata L. that grows in the highlands and lowlands.
Plant Diversity On Protected Forest Vegetation Of Dempo Mountains, Pagar Alam, South Sumatera Anita Restu Puji Raharjeng; Deby Noviyanti; Eli Apriana; Laila Fahriati; Yunita Dwi Hastati
Biota Vol 5 No 1 (2019): Jurnal Biota 2019
Publisher : Faculty of Science and Technology Universitas Islam Negeri Raden Fatah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/Biota.v5i1.2660

Abstract

Vegetation is a collection of plants that usually consist of several species and live together in one place. Vegetation analysis is a way of studying the composition (component type) and the shape (structure) of vegetation or vegetation communities. Forests are the most important habitat component of life, hence the condition of plant communities within the forest, whether plant species composition, species dominance, density or closure of the canopy should be measured. The island of Sumatra is one of the most diverse ecoregion regions in the world. World Wildlife Fund for Nature (WWF) as one of the world's conservation organizations incorporates mountainous rainforest as a conservation area. The Sumatra mountain forests are one of the 200 critically endorsed ecoregions and a priority of global conservation. Mount Dempo is a protected forest area located on a cluster of hills line the island of Sumatra. This mountain has a height of 3159 asl (above sea level) and is the highest mountain in the area of South Sumatra. This study aims to determine the diversity of plants in the protected forest vegetation of Mount Dempo, Pagar Alam City, South Sumatera. Vegetation analysis was done by purposive sampling with bitterlich method, i.e measurement done on plot measuring 2x2, 5x5, 10x10, and 20x20 m. Analyzes were performed on two plots of different locations, and all plant species found in each plot were recorded of the type and amount. The parameters measured include the type name, the individual number of each type, the diameter, the height, and the height of the free branch. The results obtained at the Importance Value Index (INP) in Gunung Dempo, Pagar Alam of 294 stated that Mount Dempo has a high vegetation that is still preserving the existing plant, but it is also able to used as tourist visit as the stage of environmental and nature care.