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All Journal HAYATI Journal of Biosciences MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Sosial Ekonomi Pertanian Jurnal Penelitian Hutan Tanaman Indonesian Journal of Chemistry Asian Journal of Agriculture Journal of Sylva Indonesiana Dinasti International Journal of Education Management and Social Science 3BIO: Journal of Biological Science, Technology and Management Journal of Biodiversity and Biotechnology
Tien Lastini
Program Studi Biomanajemen, Sekolah Ilmu Dan Teknologi Hayati, Institut Teknologi Bandung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Immunology & microbiology Neuroscience Social Sciences

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TIPOLOGI DESA BERDASARKAN VARIABEL PENCIRI HUTAN RAKYAT Hardjanto, Hardjanto; Purnomo, Herry; Lastini, Tien; Suhendang, Endang; Jaya, I Nengah Surati
Jurnal Penelitian Hutan Tanaman Vol 8, No 3 (2011): JURNAL PENELITIAN HUTAN TANAMAN
Publisher : Pusat Penelitian dan Pengembangan Peningkatan Produktivitas Hutan

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Abstract

Designing Wildlife Corridor Along Cikapundung River in Bandung Urban Area (Indonesia) based on Comparation with Kamo River in Kyoto (Japan) Evita Izza Dwiyanti; Shozo Shibata; Ryo Nukina; Tien Lastini; Endang Hernawan
HAYATI Journal of Biosciences Vol. 28 No. 1 (2021): January 2021
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.28.1.83

Abstract

Cikapundung is a river connecting wildlife habitat in two open green space areas; there are Tahura Djuanda and Bandung Zoo. Now, these habitats are fragmented due to intervention by urban activities in the Cikapundung River boundary. One of the proposed solutions is to develop a wildlife corridor along the Cikapundung River. The purpose of this study is to identify the landcover of the Cikapundung River, analyze the potential area which can be developed into a wildlife corridor, designing the landscape of the corridor tailored to the needs of the wildlife, and comparing the condition of the Cikapundung River boundary with Kamo River in Kyoto, Japan. Primary data is landcover of Cikapundung River boundary obtained through on-screen digitizing from satellite imagery using ArcMap. Secondary data are the biodiversity list in Cikapundung River riparian area and its ecological description. Cikapundung River border has several land cover types; the highest percentage of the landcover is tree canopy 62.2%, followed by buildings 31.0%. As a result of the comparison Cikapundung River has a more significant vegetation species; however, Kamo River has a more significant number of wildlife species. In the design planning, 14 vegetation species have been selected according to 26 target wildlife species' needs.
Metode Survei Kayu Rakyat Berdasarkan Karakteristik Sosial Ekonomi dan Biofisik Kawasan: Studi Kasus di Kabupaten Bogor (Survey Method for Timber Stand of Private Forest based on Socio-economics and Biophysical Characteristics: a case study in Bogor Dis Tien Lastini; Endang Suhendang; I Nengah Surati Jaya
Jurnal Manajemen Hutan Tropika Vol. 12 No. 1 (2006)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

The objective of this research is to determine the appropriate survey method for timber stand of private forest, based on its important characteristics. There were three methods used in this research, namely, method according to basic data i.e social-economics and biophysic data; method based on image, approached by vegetation transformacy using NDVI; and method based on integration of basic data and image. The result showed that basic data method is the best method for stratification of the village (desa), as a primary sampling unit of the private forest population (district). The second ones is basic data and image-integration method and last ones is image method.Keywords : basic data, coefficient of variation, image, NDVI, private forest, survey method, timber.
TIPOLOGI DESA BERDASARKAN VARIABEL PENCIRI HUTAN RAKYAT Tien Lastini; Endang Suhendang; I Nengah Surati Jaya; Hardjanto Hardjanto; Herry Purnomo
Jurnal Penelitian Hutan Tanaman Vol 8, No 3 (2011): JURNAL PENELITIAN HUTAN TANAMAN
Publisher : Pusat Penelitian dan Pengembangan Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpht.2011.8.3.155-168

Abstract

Penelitian ini menguji penggunaan faktor biofisik dan sosial ekonomi dalam mengklasifikasi desa dengan variabel penciri hutan rakyat. Tujuan utama dari penelitian ini adalah menentukan variabel yang paling signifikan yang mempengaruhi tipologi desa yang terkait dengan luas hutan rakyat. Penelitian ini dilakukan di Kabupaten Ciamis menggunakan data 336 desa. Dasar pembuatan tipologi pada penelitian ini adalah faktor biofisik dan sosial ekonomi. Terdapat 6 variabel biofisik yaitu: penggunaan lahan non sawah, kelerengan lahan, jarak ke kawasan hutan negara, jarak ke jalan besar, kemampuan lahan, dan kerapatan jalan dan dan 3 variabel sosial ekonomi yaitu: kepadatan penduduk, rumah permanen, dan umur produktif penduduk yang diteliti. Hasil penelitian menemukan terdapat delapan variabel yang berkorelasi, dan satu variabel yang tidak berkorelasi dengan luas hutan rakyat yaitu jarak ke jalan besar. Berdasarkan analisis gerombol, penelitian berhasil menemukan 2 tipologi hutan rakyat, yaitu wilayah yang berpotensi tinggi dan berpotensi rendah untuk berkembangnya hutan rakyat. Variabel yang terpilih untuk penggerombolan adalah berdasarkan desain hasil analisis komponen utama terhadap 8 variabel yang berkorelasi, dengan nilai akurasiumumsebesar 64%.Kata Kunci:Biofisik, analisis gerombol, hutan rakyat, sosial ekonomi, tipologi desa
KELAYAKAN USAHA BUDIDAYA IKAN NILA DI DESA CIBUNAR KABUPATEN SUMEDANG: SEBUAH ANALISIS KEBERLANJUTAN Agnita Ratnasari; Ramadhani Eka Putra; Tien Lastini
JSEP (Journal of Social and Agricultural Economics) Vol 14 No 3 (2021): JURNAL SOSIAL EKONOMI PERTANIAN (J-SEP)
Publisher : University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jsep.v14i3.26577

Abstract

Tilapia from small-scale farms has a low level of business sustainability due to high energy and financial investment. This study aims to analyze the business feasibility and sustainability status of tilapia cultivation in Cibunar Village, Sumedang Regency, This study uses a survey method for 100% of the existing population (16 respondents). Business feasibility is determined by calculating the investment feasibility analysis (NPV; IRR; PP and B/C Ratio) and the sustainability status analysis is carried out using the RAPFISH-MDS method. The results showed that the tilapia fishery business was feasible to run as a business seen from the NPV (Net Present Value) of Rp36.297.168; IRR of 27.70%; Net B/C Ratio 1,51; and PP (Payback Period) at 3 years 11 months 24 days, BEP/BEP production (units) of 151,65 kg and BEP (Sales) of Rp 4.549.373,48. The value of the sustainability index of tilapia cultivation based on the ecological dimension is 75,37 (very sustainable); economic dimension 55,27 (sufficiently sustainable); institutional dimension 33,49 (less sustainable); social dimension 46,94 (less sustainable) and technological dimension 13,7 (unsustainable). The sustainability status of tilapia aquaculture in Cibunar Village, Sumedang Regency, in a multidimensional manner is 44,85 (less sustainable).
A Stand Structure and Composition and Model for Estimating Stand Volume Potential at the Citragaluh Sustainable Community Forest Management Unit, Subang Regency, West Java Wilhelmus Medhavi; Tien Lastini; Endang Hernawan
3BIO: Journal of Biological Science, Technology and Management Vol. 5 No. 1 (2023)
Publisher : School of Life Sciences and Technology, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/3bio.2023.5.1.4

Abstract

In general, community forest management is still limited to the management of individual farmers so that it affects diversity, especially in the form of stands. This study aimed to explore the stand structure and composition characteristics and develop a model for estimating the potential stand volume at the Citragaluh community forest management unit with 55 observation plots based on a combination of slope and density classes. The data taken includes slope; plant species; plant coordinates; planting pattern and spacing; tree diameter, tree height, and canopy density. The results of plot observations showed that the cropping pattern of Citragaluh Community Forest Management Unit (CFMU) consisted of monoculture (10.9%), mixed stands (20%), agroforestry (29%), dry fields (27.27%), wet fields (9%), bamboo stands (1.8%) and built-up area (1.8%). The trees species found were Jeungjing, Mahogany, Teak, Tisuk, Sobsi, Akasia, and Puspa. Based on the results of stratification, diameter distribution, and stand volume, mixed gardens were the best cropping pattern. This research proves the role of community forest as a transition between plantation forest and natural forest based on the stand form and composition. The stand volume potential estimator model chosen was linear with the equation Y = 0.074X1 + 2.924 X2 - 1.679 where X1 = slope and X2 = Normalized Difference Vegetation Index (NDVI). The values of R2 models are 51.3%. The average potential for the Citragaluh is 119,835 m3/ha, which tends to be higher than other community forest studies.
Estimation Model of Ramin (Gonystylus bancanus) Standing Stock in Peat Swamp Forest: Case Study in Sumatra and Kalimantan Samsuri, Samsuri; Jaya, I Nengah Surati; Lastini, Tien; Purnama, Edwin Setia
Journal of Sylva Indonesiana Vol. 1 No. 01 (2018): Journal of Sylva Indonesiana
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (534.674 KB) | DOI: 10.32734/jsi.v1i01.422

Abstract

Multiple sampling technique was applied to estimate ramin (Gonystylus bancanus) standing stock in peat swamp forest by combining imagery analysis (phase I) and field measurement (phase II). The objectives of this research were to obtain (1) estimation model of stand volume, (2) estimation model of G. bancanus standing stock, and (3) volume of standing stock of G. bancanus in Sumatera and Kalimantan peat swamp forests. The research was conducted in peat swamp forest of Sumatera and Kalimantan Island. ALOS AVNIR image interpretation was completed to obtain crown density and used as independent variable for developing stand volume model. Cluster sampling was used to obtain field data from circle sample plot of 0.1 ha and square sample plot of 0.25 ha. Spatial analysis was conducted to map and calculate standing stock of G. bancanus for Sumatera and Kalimantan Island. Estimation model of stand volume was V bf = 0.1851 C field1.05234 (R 2 =0.62) for Sumatera peat swamp forest and V bf = 3.1163 e 0.041 Cfield (R 2 = 0.62) for Kalimantan peat swamp forest, respectively. We estimated that standing stock of G. bancanus of peat swamp forest in Sumatra and Kalimantan was 5% and 2.3% of the total stand volume, respectively. Base on both the estimation models, standing stock of G. bancanus in Sumatera peat swamp forest was 15,351,063 m 3 and in Kalimantan peat swamp forest was 6,004,874 m 3 .
Relationship between Waste Cover Area with Physical and Chemical Characteristics of Mangrove Ecosystem in Pulau Dua Nature Reserve, Serang, Banten Pratama, Farros Hilmi; Suwandhi, Ichsan; Lastini, Tien
3BIO: Journal of Biological Science, Technology and Management Vol. 7 No. 2 (2025)
Publisher : School of Life Sciences and Technology, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/3bio.2025.7.2.5

Abstract

Pulau Dua Nature Reserve has undergone significant changes to its land, affecting its physical and chemical properties. Additionally, the increasing problem of scattered plastic waste raises concerns about its negative impact on the ecosystem. This study aims to analyze the physical and chemical characteristics of Pulau Dua Nature Reserve and examine the relationship between the proportion of plastic waste cover area and environmental parameters. Microclimate, soil, and plastic waste proportion area data, especially plastic, were collected at 34 points using systematic random sampling, while water salinity was measured using accidental sampling because the pools for measuring salinity were not spread throughout the research area. A comparative analysis based on literature review and previous studies with mangrove ecosystems indicates that Pulau Dua’s mangrove vegetation is under threat from various environmental factors. Among these, the proportion of plastic waste cover area has the strongest correlation as moderate positive correlation with bulk density in Pearson Correlation Matrix. Independent Sample T-test comparing plastic waste cover area proportion based on bulk density class confirms that class 4 significantly affects bulk density. In conclusion, several physical and chemical parameters in Pulau Dua Nature Reserve do not align with optimal conditions for mangrove vegetation. The most related factors to plastic waste cover area proportion are bulk density because the indication is that areas covered with plastic waste are areas that are frequently passed by humans, thus increasing the bulk density of the soil. Value of bulk density will significantly different when proportion of plastic waste cover more than 2.5% based on Independent Sample T-test.
The Total Alkaloid Content, Tyrosinase Inhibitory Activity, and Anti-Acne Properties of Toona sureni (Blume) Merr. Leaves Extracts at Varying Tree Ages Falah, Syamsul; Safithri, Mega; Zuraida, Zuraida; Lastini, Tien; Ariyanti, Riska; Marwanto, Yoga Dwi; Rahmania, Fitriani Jati
Indonesian Journal of Chemistry Vol 26, No 1 (2026)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.104676

Abstract

Toona sureni (Blume) Merr., known as Indonesian mahogany, is valued for its wood, while its leaves are used as vegetables and animal feed. However, its medicinal potential remains underexplored. This study evaluated the antibacterial and tyrosinase inhibitory activities of T. sureni leaf extracts from 16-, 27-, and 34-year-old trees. Extraction was performed by maceration using methanol, ethyl acetate, and n-hexane for antibacterial testing; and 30, 70, and 96% ethanol for tyrosinase inhibition. Total alkaloid content was determined using the bromocresol green method, while antibacterial activity was assessed by disc diffusion and MIC, and tyrosinase inhibition by spectrophotometry using kojic acid as a control. It revealed a 3.83% alkaloid content in the 70% ethanolic leaves extract of the 34-year-old tree. The 96% ethanolic extract from 16-year-old leaves exhibited the highest tyrosinase inhibitory activity at 86.66% with an IC50 value of 53.71±1.04 μg/mL. Antibacterial tests revealed that the methanol extract of 16-year-old trees inhibited Staphylococcus aureus (17.73 mm) and Propionibacterium acnes (15.80 mm) at 10,000 μg/mL, with MIC of 1000 and 500 μg/mL, respectively. These results suggest that the extract of 16-year-old tree has both antibacterial and tyrosinase inhibitory effects, with greater potential for cosmetic use, particularly in anti-acne and skin-brightening products.
The Analysis of Factors Influencing Visiting Decision and Satisfaction at Ekowisata Kampung Blekok Situbondo Nabilah Rizka Estiningtyas; Tien Lastini; Sofiatin Sofiatin
Dinasti International Journal of Education Management And Social Science Vol. 6 No. 4 (2025): Dinasti International Journal of Education Management and Social Science (April
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijemss.v6i4.3597

Abstract

The decline in visitor numbers at Ekowisata Kampung Blekok implies optimization efforts are needed. The administrator’s ability to understand visitor behaviour can support these efforts, primarily related to visiting decision and satisfaction. These can be achieved by understanding the visitor’s motivation as an internal factor and the destination readiness as an external factor. This research aims to analyze the factors influencing visiting decision and the visitor’s satisfaction. The questionnaire with five-point likert sclae was distributed to 165 visitors using a purposive sampling. Data was analyzed with structural equation modelling – partial least square using SmartPLS 3.0 application. The result shows that the visiting decision is directly influenced by service quality (consist of tangible, responsiveness, reliability, assurance, eco-activities, empathy, eco-learning, and eco-practices) and marketing mix (consist of product, promotion, price, physical evidence, place, and process). Besides, visitor satisfaction is affected directly by service quality and visiting decision. 
Co-Authors Agnita Ratnasari Endah Sulistyawati Endang Hernawan Endang Hernawan Endang Suhendang ENDANG SUHENDANG Eri Mustari, Eri Estiningtyas, Nabilah Rizka Evita Izza Dwiyanti Hafiz Fauzan Hardjanto Hardjanto Hardjanto Herry Purnomo Herry Purnomo I Nengah Surati Jaya Mamat Kandar Marwanto, Yoga Dwi Mega Safithri Nabilah Rizka Estiningtyas Pratama, Farros Hilmi Purnama, Edwin Setia Rahmania, Fitriani Jati Ramadhani Eka Putra Riska Ariyanti, Riska Rosmiati, Mia Ryo Nukina Samsuri Samsuri Shozo Shibata Sofiatin Sofiatin Sofiatin Sofiatin, Sofiatin Syamsul Falah Tatang Tiryana Ani Suryani Cecep Kusmana Ichsan Suwandhi TIP Wilhelmus Medhavi Zuraida Zuraida