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All Journal Biodiversitas Journal of Biological Diversity
SYAMSUL HIDAYAT
Center for Plant Conservation Botanic Gardens (Bogor Botanic Gardens), Indonesian Institute of Sciences. Jl. Ir. H. Juanda 13, Bogor 16122, West Java, Indonesia.
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Habitat of Nepenthes spp. in the area of Sampit Botanic Gardens, Central Kalimantan, Indonesia SYAMSUL HIDAYAT; HENDRA HELMANTO; DODO DODO; DANANG WAHYU PURNOMO; IKAR SUPRIYATNA
Biodiversitas Journal of Biological Diversity Vol. 19 No. 4 (2018)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d190411

Abstract

Hidayat S, Dodo, Purnomo DW, Helmanto H, Supriyatna I. 2018. Habitat of Nepenthes spp. in the area of Sampit Botanic Gardens, Central Kalimantan, Indonesia. Biodiversitas 19: 1258-1265. Nepenthes spp are protected plant and most of them are at least concern criteria. The research purpose is to explore the habitat information that supports the existence of Nepenthes in the area around Sampit Botanic Gardens, Central Kalimantan. Three different sites have been selected in this research. In each sites, seven sampling plots have been made by purposively sampling, each plot measuring 5x5 m2. In the Gelam Forest (Melaleuca quinquenervia), two Nepenthes species have been found, namely Nepenthes gracilis and Nepenthes mirabilis. In two other sites, in Peat Swamp Forest and Alang-alang Forest (Imperata cylindrica), dominated by N. mirabilis. Combretocarpus rotundatus is a tree in the Peat Swamp Forest that is mostly climbed by Nepenthes. Scleria sumatrensis and Stenochlaena palustris are two species of plants that are always found in the three research sites, but the dominant family is Melastomataceae primarily represented by Melastoma malabathricum. Nepenthes mirabilis can be found in the three research sites with an equal number, but N. gracilis was only abundant in the Gelam forest. By using imageJ software, obtained canopy cover in Gelam forest only 10%. Meanwhile, based on laboratory test, the soil in the Gelam forest is dominated by the dust fraction and is relatively more fertile than the Alang forest. In this case, Nepenthes favored open canopy, but was quite watery and relatively fertile.
Short Communication: The study of suweg (Amorphophallus paeoniifolius) and other undergrowth species in teak plantation forest of Temengeng, Blora, Indonesia SYAMSUL HIDAYAT
Biodiversitas Journal of Biological Diversity Vol. 20 No. 1 (2019)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d200105

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Hidayat S. 2019. The study of suweg (Amorphophallus paeoniifolius) and other undergrowth species in teak plantation forest of Temengeng, Blora, Indonesia. Biodiversitas 20: 37-42. Suweg (Amorphophallus paeoniifolius (Dennst.) Nicolson) is one of the potential sources of food plants that are often found growing wild in farmers' gardens or fields. In the teak plantation forest of Cepu, precisely in Temengeng village, there are many suwegs growing among the old and big teak trees. To find out the potential and range of habitat where suweg grows, especially in teak plantation forest, ten observation plots were made using purposive sampling method, each measuring 10 x 10 m2. Overall, 17 adults and 30 young individuals of suweg were found. In addition to teak, 43 wild plant species were identified alongside suweg, from various habits, namely herb, liana, shrub, epiphyte, and tree. Herbs were the most common plants growing around suweg, especially from the families of Fabaceae, Compositae, and Zingiberaceae. The species that were almost always found together in the suweg plots were Tetrastigma lanceolarium (Roxb.) Planch. and Thespesia lampas (Cav.) Dalzell, but in quantity, Costus spiralis (Jacq.) Roscoe was more abundant than the other two species, although it was only found in four sampling plots. The results of this study also showed that there was no association between suweg and certain plants; this was supported by the low similarity index among plots.
Co-Authors DANANG WAHYU PURNOMO DODO DODO HENDRA HELMANTO IKAR SUPRIYATNA