Pratami, MP Chikmawati T, Rugayah. 2019. Short Communication: Further morphological evidence for separating Mukia Arn. from Cucumis L.. Biodiversitas 20: 211-217. Mukia Arn. is closely related to Cucumis L. based on molecular data, nevertheless, they have high morphological differences resulting in different opinion on taxonomical status of the two genera. Mukia Arn. has many similarities in pollen and leaf anatomical characters to Cucumis L., but both genera differ in seven seed characters, i.e color, shape, size, surface pattern, seed edge, transverse section at seed neck, and the markings of the inner seed coat surface. So, based on seed characteristics, Mukia Arn. is separated from Cucumis L.Keywords: Cucurbitaceae, leaf anatomy, Malesia
Pertumbuhan sifat peri-urban pada wilayah pinggiran kota sudah banyak bermunculan. Kebutuhan lahan yang semakin tinggi nyatanya tidak sebanding dengan ketersediaan lahan di kota. Tingginya harga lahan juga menjadi pemicu masyarakat untuk memilih bermukim di kawasan pinggiran. Kawasan pinggiran kota yang sejatinya adalah desa, memiliki fungsi di bidang pertanian dengan mayoritas penggunaan lahan pertanian. Akibat fenomena perubahan lahan inilah, yang disinyalir akan memicu perubahan karakteristik perdesaannya, salah satunya adalah pertumbuhan penduduk. Aktivitas yang semakin heterogen di wilayah pinggiran akan meningkatkan angka pertumbuhan penduduk. Hal inilah yang dianggap mungkin terjadi di kecamatan-kecamatan Kabupaten Sukoharjo yang berbatasan dengan Kota Surakarta. Oleh karena itu, penelitian ini dilakukan untuk mencari tingkat pertumbuhan penduduk wilayah peri-urban di perbatasan Kota Surakarta dengan memanfaatkan teknik analisis statistik deskriptif. Teknik analisis ini dilakukan dengan cara pembobotan dan klasifikasi data pada unit amatan tingkat desa, dengan 2 perbandingan waktu data tahun 2010 dan tahun 2020. Dan hasil dari analisis yang telah dilakukan pada desa-desa di Kecamatan Kartasura, Kecamatan Baki, Kecamatan Grogol dan Kecamatan Mojolaban diketahui bahwa mayoritas pertumbuhan penduduk yang berada pada tingkat tinggi adalah di Kecamatan Kartasura, sedangkan kecamatan lain hanya menunjukan pertumbuhan di tingkat sedang hingga rendah.
Abstract. Fendiyanto MH, Satrio RD, Widana IDKK, Pratami MP, Nikmah IA, Darmadi D. 2021. Differential hierarchical metabolites expression of red/white Salacca sumatrana Arillus and its molecular docking studies. Biodiversitas 22: 1014-1024. Salak Sidempuan (Salacca sumatrana) is one of the medicinal plants originating from tropical countries. However, there is very little research on the study of finding bioactive compounds in S. sumatrana using the metabolomic approach. Here, we use two population types of S. sumatrana, e.g., fruit with red and white arillus. We extracted the compounds from the two tissues using the GC-MS technique and further analyzed their antiviral potential using an in-silico molecular docking technique. Fold change analysis showed that in white arillus there were 21 upregulated compounds and 25 downregulated compounds. Metabolites that have high expression in white arillus tissue are ranxinic acid, nicotinic alcohol, stearic acid, 2-furan carboxaldehyde, and others. Six accessions from S. sumatrana based on PCA analysis and separate dendrogram according to the type of arillus, i.e., red and white arillus. Two compounds that act as antivirals found in this study are stearic acid and palmitic acid based on preliminary molecular docking studies. These two compounds could be used for further studies as a preventive measure against SARS-Cov-2 in the future, however, it needs further comprehensive and clinical analysis the future. In conclusion, metabolites in white arillus were distinctly different from red arillus of Snake fruits. In addition, studies on differential metabolite expression on two types of arillus (red/white) can be used as markers in identifying arillus color early by plant breeders.
In West Java, domestic tourist visits in the past year have decreased by around 42,1% from 2019 to 2020. This isinseparable from the direct impact of the pandemic on the tourism sector. The purpose of this study was toanalyze the travel behavior of domestic tourists after the Covid-19 pandemic in West Java. This study uses adescriptive approach with the primary data needed in this study, namely data on tourist characteristics and factsregarding domestic tourist behavior. Data was collected by distributing questionnaires to 200 respondents whowere domestic tourists who had visited regency/cities in West Java in the last two years. The data wereprocessed by statistical descriptive analysis techniques. The characteristics of tourists in this study are describedin several aspects, namely demographic aspects, occupational aspects, gender aspects, and educational aspects,and also described tourist activities in several phases (namely the dreaming phase, planning phase, bookingphase, experience phase and sharing phase). The pattern of travel behavior of domestic tourists in West Javaconcerning post-pandemic tourism shows a trend that tourists who are millennials and zillennials are veryconcerned about cleanliness, health, and security. Tourism stakeholders in West Java need to make naturaltourist attractions a primary tourist attraction with cultural and artificial tourist attractions as supportingtourist attractions, and prepare their communities for post-pandemic destination governance. This is to realizesafe travel for tourists is a step to restore tourist visits in West Java.
Population and development activity increasing push will demand higher settlements. Population density is low and becomes higher along with population growth rate and leads to centralization of settlements in certain sub-districts that will shape the dispersion pattern of settlements. The research method used in this research is Cellular Automata Modeling and Geographic Information System. The purpose of this research to identify the pattern of distribution of settlements based on population density in 2032 in Bengkulu city. The results show that the pattern of settlement distribution in the western part of Bengkulu city has high Density level and distribution pattern of clustering settlements while the North-East-South has medium to low density of population and distribution pattern of random settlement.
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