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Exploration of Flora Diversity and Recommending Species for Reclamation of Coal Mining with Biodiversity Concept in Besiq Bermai Forest, East Borneo Trimanto, Trimanto; Sofiah, Siti
Journal of Tropical Life Science Vol 8, No 2 (2018)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.08.02.02

Abstract

This research was conducted to gather basic information to support recovery coal mining area with study of flora biodiversity. Plants inventory were conducted explorative in Besiq Bermai forest. Some observations were conducted on plants as integral part of the documentation process. The result showed that there are 203 numbers of plant. They consist of 51 families of flora collection to be conserved in Purwodadi Botanic Garden. There are 53 species of orchid that collected from this forest, including of rare species and endemic orchid. There are 70 numbers of 1000 specimen floras to be collected in Nursery of coal mining to be used in reclamation program. There are 20 species of flora that be conserved because it is threatened species that based on IUCN. Ten species can be chosen to become pioneer species in reclamation of coal mining area. Biodiversity concept can be used in reclamation of post mining area. Prospective conservation area that called Arboretum is provided for in-situ conservation program. Some practical considerations are suggested for fu-ture reclamation projects.
Flowering and Fruiting Times on Four Species of Annona (Annonaceae) in Purwodadi Botanic Garden Lestari, Dewi Ayu; Sofiah, Siti
Journal of Tropical Life Science Vol 5, No 1 (2015)
Publisher : Journal of Tropical Life Science

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Abstract

Annona is a genus belongs to Annonaceae family, consisting of numerous species that produce edible fruit.   Four species namely A. glabra, A. montana, A. muricata and A. squamosa collections of Purwodadi Botanic Garden  were recorded for its flowering and fruiting times, since November 2010 to April 2013. The data were scored and complemented with climate data (temperature, rainfall intensity, humidity) then analyzed using multiple linear regression analysis.  The result showed that humidity was the most affected climate factors on the flowering and fruiting times of those species.  Specifically, rainfall intensity (0-550 mm) affected to  Annona muricata, temperature (25,56-28,33 °C) and humidity (66,83-85,02%) to  Annona squamosa, and  humidity to  A. glabra (71,62-85,02% )  and  A. montana (71,62 to 82,94 %) as well. Flowering time of A. glabra occurs three times a year in wet and dry, and fruiting occurs twice a year in the same month. Annona muricata is flowering throughout the year and fruiting twice a year in wet. A. montana and A. squamosa recorded one a year during the wet month.