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The study was conducted in Gua Musang, Kelantan, namely; Kuala Koh N 04° 52’ 02.2”/ E 102° 26’ 33.3” (represents pyroclastics area) and Tanah Puteh N 04° 46’ 11.9”/ E 101° 58’ 35.5” (represents limestone area). A square plot (100 x 100 m) was set-up in both locations for sampling of Araceae. The result shows diversity of Araceae in limestone (28 sp...
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... the total number of individuals, two species had only one individual for the entire survey in the plot, which were Scindapsus perakensis (0.02%) and Aglaonema simplex (0.02%) and became rare species in Kuala Koh. Schismatoglottis was a promising genus that could thrive well in Kuala Koh ecosystems since its number of individuals a lot greater than any other genera found (Figure 2). Noted that Schismatoglottis calyptrata became the most abundant species with the relative density of 32.2% (2060 individuals). ...
Citations
... The biotic environmental factors are certain species of organisms (Wisz et al. 2013), including humans (Truyen 2015). Meanwhile, the abiotic factors include land use (Chauvier et al. 2021); soil pH, soil moisture, soil organic matter (Hafsah et al. 2018); soil nutrients (Wicaksono et al. 2010); elevation (Bin Yusof et al. 2013;Ortiz et al. 2019); light intensity; humidity (Barrancos et al. 2019); temperature (Lewu et al. 2017); precipitation (Lopes et al. 2016); and seasons (Sungkajanttranon et al. 2018). ...
Mutaqin AZ, Husodo T, Kendarto DR, Wulandari I, Shanida SS, Megantara EN, Kurniadie D, Iskandar J, Nurzaman M. 2022. The ecology of suweg (Amorphophallus paeoniifolius) in the Citanduy and Cimanuk Watershed, West Java, Indonesia. Biodiversitas 23: 6520-6529. Suweg (Amorphophallus paeoniifolius (Dennst.) Nicolson) is one of the plants distributed in Indonesia, including in the Citanduy and Cimanuk Watershed. Amorphophallus grows in various land cover types. This species exhibits wide agroecological adaptation to dry and moist lands. Citanduy Watershed passes through the Leuwikeris Dam, and the Cimanuk watershed passes through the Kertajati International Airport. These projects can affect the condition of the surrounding environment, including biodiversity. This study was conducted to observe the distribution, population, and habitat characteristics of the suweg in the Citanduy and Cimanuk watersheds. Exploratory surveys and intensive studies were applied in this study. An exploratory survey was conducted randomly through direct observation. An intensive study was carried out to determine the ecological description of suweg in several areas, namely Kuta Subvillage, Ciangir Subvillage, and Pasiripis Village, with existing projects, still have strong local cultures, and the discovery of suweg growing. Suweg is growing in several sites, including the Citanduy and Cimanuk Watersheds, with certain elevations and environmental conditions. The Summed Dominant Ratio (SDR) of suweg in Kuta Subvillage, Ciangir Subvillage, and Pasiripis Village in the home garden and garden, respectively, are 8.50 and 13.77; 10.07 and 19.25; and 0 and 22.92, which indicate the population or density of suweg is low. The abiotic and biotic environmental parameters observed at each site varied.
... A. longiloba is a medicinal herb and is locally known as ''Keladi candik" or ''Keladi Rimau" in Kelantan, Malaysia (Yusoff et al., 2013;Ridley and Curtis, 1902;Nur-Hadirah et al., 2021;Zulhazman et al., 2021). A. longiloba species is widely distributed in tropical Asia countries such as Cambodia, Laos, Vietnam, South West China, India, Peninsular Malaysia, Thailand, and Singapore. ...
Hyperuricemia is defined as a metabolic abnormality that occurs when serum uric acid (UA) level is abnormally high in the body. We previously reported that A. longiloba possesses various important phytochemicals and in vitro xanthine oxidase activity. Despite A. longiloba ethnomedicinal benefits, its toxicity and anti-hyperuricemic effects have not been reported. The present study was carried out to ensure the safety and investigate the anti-hyperuricemic effects of A. longiloba fruit and petiole ethanolic extracts on rats. In the acute toxicity study, extracts were orally administered at a dose of 2000 mg/kg bodyweight and closely monitored for two-week for any toxicity effects. The rats were then sacrificed and samples were collected and analyzed for hematological, biochemical, and histopathological parameters. The anti-hyperuricemic effect of A. longiloba fruit or petiole extract was investigated through determination of UA levels on potassium oxonate (PO)-induced hyperuricemic rats. Extracts or standard drug treatments were orally administrated one-hour after PO administration for 14-day. Animals were euthanized and samples were collected for further experiments. The toxicity results show, no significant changes were observed in behavioral, bodyweight changes in experimental groups compared to the control. Moreover, there were no significant changes in hematological, biochemical, and histological parameters between extracts treated and control group. In the anti-hyperuricemia study, the fruit and petiole extracts treatments significantly reduced the level of UA in serum compared to the hyperuricemic model group. This study demonstrated that the extracts of A. longiloba have anti-hyperuricemic activity and was found to be non-toxic to rats in acute toxicity test.
In present investigation allelopathic effect of two Cassia species namely Cassia obtusifolia
and C. uniflora on jowar seeds were studied. Effect of leaf and root extract of Cassia
species studied on seed germination, seedling growth and biomass of jowar seeds. Leaf
and root extract showed inhibitory effect on seed germination, seedling growth and fresh
weight and dry weight of jowar seedlings. Significant inhibition of seed germination was
observed only after 24h in C. obtusifolia leaf (28.64% and 18.17%) and root extracts
(34.50%) at both concentrations and in leaf extract of C. uniflora at higher concentration
having percent inhibition 62.27%. Leaf extract of C. obtusifolia at both lower as well as
higher concentrations was significantly inhibitory to root length, shoot and total seedling
length. Significant inhibition of shoot length of jowar was also observed due to root extract
of C. uniflora at both higher and lower concentrations. Fresh weights of seedlings were
decreased as compared to control due to leaf extract of C. obtusifolia at lower
concentration and root at both concentrations of C. obtusifolia.
