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Sipayung, Roni
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Agriculture, Biological Sciences & Forestry

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KEANEKARAGAMAN VEGETASI MANGROVE DIKAWASAN HUTAN MANGROVE TAMAN NASIONAL KARIMUNJAWA, KABUPATEN JEPARA, JAWA TENGAH Sipayung, Roni
Wana Lestari Vol 5 No 1 (2023): Wana Lestari
Publisher : Program Studi Kehutanan, Fakultas Pertanian, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/wanalestari.v7i01.11760

Abstract

This study aims to determine the density of mangrove vegetation found in mangrove forest areas. This research was conducted in the Mangrove Forest Area of ​​Karimunjawa National Park, Jepara Regency, Central Java. Retrieval of research data using a systematic path with a total of 75 plots in the entire Mangrove Forest Area of ​​Karimunjawa National Park with nested sampling method. Using this method, the number of species and vegetation density values ​​were obtained in the form of seedling density, sapling density, and tree density. Data analysis used quantitative description in the form of a graph of mangrove vegetation density. The results showed that the density of vegetation in the Mangrove Area of ​​Karimunjawa National Park, Jepara Regency, Central Java was classified as moderate. The vegetation density values ​​for block A at the growth rate of seedlings, saplings and trees were 13103.45 individuals/ha, 2096.55 individuals/ha and 331.03 individuals/ha while the density of mangrove vegetation for block B at the growth rate of seedlings, saplings, and trees respectively, namely 23478.26 individuals/ha, 3756.52 individuals/ha, and 217.39 individuals/ha.The diversity index value in block A was 1.797 while in block B it was 2.110.
KAJIAN KUALITAS PERAIRAN HUTAN MANGROVE DI OESAPA BARAT, KELAPA LIMA, KOTA KUPANG, NUSA TENGGARA TIMUR Sipayung, Roni
Wana Lestari Vol 5 No 2 (2023): Wana Lestari
Publisher : Program Studi Kehutanan, Fakultas Pertanian, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/wanalestari.v5i02.13876

Abstract

This research aims to determine the quality of mangrove forest waters located in tourist areas and close to residential areas. This research was conducted in the West Oesapa Mangrove Forest Ecotourism Area, Kupang City, East Nusa Tenggara. Research data was collected using a systematic route in the West Oesapa Mangrove Forest Ecotourism Area using the method of measuring and observing water quality using a refractometer, digital pH meter, TDS meter, thermometer and stick. By using these tools, water quality parameters such as salinity, degree of acidity, clarity, substrate thickness and temperature of mangrove forest waters are obtained. Data analysis uses quantitative description in the form of graphs of water quality parameters. The average values ​​of the parameters measured were: salinity of 29.11 per mile, degree of acidity of 4.72, total dissolved solid of 558.66 mg/l, temperature of 270C, and mud thickness of 30 cm. The research results show that the water quality in the West Oesapa Mangrove Forest Ecotourism Area, Kupang City, East Nusa Tenggara is considered polluted. The condition of pH, temperature and total dissolved solid are not good for aquatic biota and mangrove vegetation.
ANALYSIS OF CAUSATIVE FACTORS OF ENCROACHMENT IN WOLO TADHO NATURE RESERVE (Case Study of Latung Village and Tadho Village, Riung District, Ngada Regency, East Nusa Tenggara Province) Tanik, Yeremias; Purnama, Maria M.E; Riwu Kaho, Norman P.L.B; Sipayung, Roni
Wana Lestari Vol 7 No 1 (2025): Wana Lestari
Publisher : Program Studi Kehutanan, Fakultas Pertanian, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/wanalestari.v7i01.15582

Abstract

Encroachment is one of the problems that occured in the Wolo Tadho Nature Reserve. This study aims to determined several factors that caused encroachment in the Wolo Tadho Nature Reserve and activities in overcoming the problem. The method used in this study was a non-probabity sampling method for community people that lives nearby the research area and the management of the Wolo Tadho Nature Reserve. The sampling techniques for the community people uses the snowball sampling method, while for the management officer of the Nature Reserve uses the purposive sampling method. The results showed that there were eight factors causing encroachment in the Wolo Tadho Nature Reserve, namely economic, education, number of family members, limited of land, unclear boundaries area, community awareness, land tenure, and limited of officer number. Activities carried out in overcoming this encroachment problem are patrolling the area, joint patrols with the police, forming forest police (POLHUT) in partnership with the Communities, socialization to the community about the Wolo Tadho Nature Reserve Area, collaboration with the government in maintaining the Nature Reserve and to overcomes the problems of enchroachment, assistance and training to the community in optimizing agricultural products and the approaches through a 3-pillar scheme involving government, community, and indigenous leaders as well as religious leaders.
CONTRIBUTION OF FOREST HONEY BEE TO TOTAL FARMERS' INCOME Liunokas, Yuyun Rivanti; Sipayung, Roni; Marimpan, Lusia; Riwu Kaho, Norman P.L.B
Wana Lestari Vol 7 No 1 (2025): Wana Lestari
Publisher : Program Studi Kehutanan, Fakultas Pertanian, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/wanalestari.v7i01.19432

Abstract

Honey from forest bees (Apis dorsata) is one of the non-timber forest products that has long been used in Loli Village, Polen Districk, South Central Timor Regency and has become an additional source of livelihood to meet the needs of farmers in Loli Village. This research aims to determined the contribution of forest honey to farmers' total income and to determine the level of welfare of farmers in Loli Village. This research was carried out during April-May 2024, using saturated sampling method (census), of a total of 19 honey farmers and data analysis using quantitative descriptive analysis. The research results shows that the contribution of forest honey bee farming to the total income of farmer households in Loli Village is 76% with total honey farming income of IDR 372,360,000/year, an average of IDR 19,597,895/year. The results of the analysis proved that of the 19 respondents, only 7 respondents had incomes above the average, while the other 12 respondents had incomes below the average. This is influenced by the large number of trees owned by each respondent and the number of hives in the nesting trees, so it can be ascertained that the gains in honey production are also different. Based on the level of farmer welfare, there are still 74% of honey farmers who are not prosperous, but honey farming is able to provide a good life and is the main support for the welfare of farmers in Loli Village. However this contribution can be threatened if forest preservation is not maintained, so there needs to be a role Government and Community in efforts to protect and preserve forests in Loli Village. Keywords: Forest Honey Bee; Income; Contribution; Welfare Level
EFFECT OF THE CONCENTRATION OF GIBBERELLINS (GA3) AGAINTS THE GERMINATION OF SANDALWOOD SEEDS (Santalum album Linn.) Tefa, Angriani Noventa; Seran, Wilhelmina; Mau, Astin E; Sipayung, Roni
Wana Lestari Vol 7 No 1 (2025): Wana Lestari
Publisher : Program Studi Kehutanan, Fakultas Pertanian, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/wanalestari.v7i01.19873

Abstract

There are two factor s that affect the success of sandalwood plant breeding, namely, the presence of host plants needed by sandalwood plants and the treatment of sandalwood seeds. This study aims to determine how the concentration of gibberellin (GA3) on sandalwood seed germination and which concentration treatment has the most effect on sandalwood seed germination. The method used in this study was a Complete Randomized Design (RAL) with gibberellin concentration treatment (GA3) consisting of A0 = 0% (Immersion in aquades (control)), A1 = 70% (1,000 mL aquades + 0.70 grams (GA3)), A2 = 75% (1,000 mL aquades + 0.75 grams (GA3)), A3 = 80% (1,000 mL aquades + 0.80 grams (GA3)), A4 = 85% (1,000 mL aquades + 0.85 grams (GA3)), A5 = 90% (1,000 mL aquades + 0.90 grams (GA3)). The results showed that the variation in the concentration of gibberellins (GA3) 70%, 75%, 80%, 85% and 90% in sandalwood plants had a significant effect on all parameters and the use of GA3 with A5 = 90% treatment (1,000 mL aquades +0.90 grams (GA3)) gave the best value and had a real effect on four parameters, namely germination rate with an average of 36%, germination rate of 44% (12MST), wet weight of 0.31 grams, and dry weight of 0.13 grams. Keywords: Growth Regulator (ZPT); Gibberellin (GA3); Sandalwood Seed;.
Co-Authors Liunokas, Yuyun Rivanti Marimpan, Lusia Mau, Astin E Purnama, Maria M.E Riwu Kaho, Norman P.L.B Tanik, Yeremias Tefa, Angriani Noventa Wilhelmina Seran