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Fauziah Ramadhana
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PENGARUH LAMA PENGUJIAN TERHADAP SERANGAN PENGGEREK KAYU DI LAUT PADA KAYU MALAPOGA (Toona ciliata) DAN KAYU TEA (Artocarpus elasticus Reinw. Ex Blume) Fauziah Ramadhana; Abdul Hapid; Erniwati Erniwati
Jurnal Penelitian Kehutanan BONITA Vol 3, No 1 (2021): Juli 2021
Publisher : Universitas Andi Djemma Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55285/bonita.v3i1.619

Abstract

Timber in brackish waters and at sea is often damaged by marine wood borer (marine borers). For some fishing communities and people living in coastal areas, the use of boats is very important for them as a support for their livelihood as a means of transportation. Until now, the use of wood as raw material for boats is still frequently used. The wood used in boat building will of course often come in contact with sea water so that it does not rule out the attack of marine borers that will reduce the strength of the wood especially if it is used for a long time. The research objective was to determine the effect of the length of testing at sea on the strength (MOE and MOR) and the natural durability of Malapoga wood (Toona ciliata) and Tea wood (Artocarpus elasticus Reinw. Ex Blume). This research was conducted for 3 months at the Material Testing Laboratory, Faculty of Engineering and Agrotechnology Laboratory, Faculty of Agriculture, Tadulako University, while testing for marine borers was carried out in the waters of Talise Village, East Palu District, Palu City, Central Sulawesi. The test uses the Malapoga wood and Tea wood test samples with sizes2 cm x 2 cm x 30 cm. Meanwhile, at sea testing and data analysis using a completely randomized design (CRD) factorial pattern with 2 factors was repeated 5 times so that there were 30 samples with 10 test samples (control) without immersion in the sea. The results showed that the length of the test had a very significant effect on the strength of wood (MOE and MOR) and the natural durability of wood (weight loss percentage) and the types of Malapoga wood and Tea wood were classified in the strong class V (five).
Diversity and colonization of butterfly (Lepidoptera) on Pasoso Island, Central Sulawesi Fauziah ramadhana; Masy'ud, Burhanuddin; Rahman, Dede Aulia
Media Konservasi Vol. 28 No. 3 (2023): Media Konservasi Vol 28 No 3 December 2023
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.28.3.305-315

Abstract

Various biotic and abiotic environmental factors influence the preservation of butterfly species in an area. The pressure and threat of extinction for butterflies that occupy relatively narrow and isolated habitats such as small islands are pretty large. This study aims to estimate the diversity of butterfly species, predict colonization, predict local extinction of butterflies, and conservation implications to minimize local extinction of butterflies in the habitat type on Pasoso Island, Central Sulawesi Province. Data was collected using field observations in four land cover types (primary forest, gardens, “ecoton” between garden-primary forests, and shrubs) on a 100 m line transect line. Each line transect is divided into point counts, with a distance between points of 100 m. The results of the identification of butterfly species in four habitat types on Pasoso Island found 16 species from 78 individual butterflies belonging to four families (Nymphalidae, Papilionidae, Pieridae, and Lycaenidae). Butterflies in all habitat types on Pasoso Island are in the moderate category. Species diversity in garden habitat types based on the analysis of the Shannon-Wiener index showed higher than other habitat types (H'=1.89), while the Ecoton habitat type has the lowest diversity value (H'=1.06). The results of the t-test showed that there was no significant difference in the diversity of butterfly species in the four habitats. The results showed that colonization and local extinction occurred in butterfly species on Pasoso Island. Four of the nine species are included in the extinct category, namely Apias albina, Family Lycaenidae, Ideopsis juventa, Phalanta alcippe celebensis Wallacea. Five other species were colonized, namely Arhopala araxes, Catochrysops strabo, Catopsilia pomona, Hypolimnas anomala, and Idea blanchardii.
FEEDING GUILDS OF THE BIRD COMMUNITIES ON PASOSO ISLAND Ihsan, Moh; Yusran; Ramlah, Sitti; Ningsih, Sri; Rukmi; Ramadhana, Fauziah
Jurnal Belantara Vol 8 No 1 (2025)
Publisher : Forestry Study Program University Of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbl.v8i1.1104

Abstract

Food is one of the crucial factors for the survival of birds. The interaction between habitats and birds, as well as the role of birds as environmental bioindicators, can be understood through feeding guilds by examining their responses to disturbances. This study aims to analyze the feeding guilds of bird communities on Pasoso Island. The data collection method used was the strip transect method. Data were analyzed using descriptive analysis based on bird species composition according to their guilds. The results of this study show that 33 bird species were found on Pasoso Island, classified into 10 types of feeding guilds. Based on the number of species, the insect-eating guild had the highest number (9 species) compared to other guild categories. The coastal invertebrate-eating guild and raptor guild had the fewest species, with only one species recorded in each. Regarding the number of individuals, the insect-eating guild dominated with 42 individuals, followed by the fruit-eating guild with 29 individuals. On average, the fewest individuals were found in the coastal invertebrate-eating and raptor guilds, with only one individual in each.
Species Diversity and Species Association of Butterflies (Lepidoptera) in the Riparian Zone of Paneki River, Pombewe Village, Sigi Biromaru District. Ramadhana, Fauziah; Ihsan, Moh; Ningsih, Sri; Rukmi, Rukmi; Sustri, Sustri
Jurnal Penelitian Kehutanan BONITA Vol 7, No 1 (2025): Juni 2025
Publisher : Universitas Andi Djemma Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55285/bonita.v7i1.3244

Abstract

Butterflies play an important role in the riparian ecosystem, influencing the survival of flowering plants along riverbanks. The interactions among butterfly species within an ecosystem are referred to as species associations. These associations indicate complex relationships—both positive and negative—between butterfly species. This study aims to analyze species associations among butterflies (Lepidoptera) in the riparian area of the Paneki River, located in Pombewe Village, Sigi Biromaru District. Data were collected using the transect method and direct observations conducted from morning to afternoon. The results showed a total of 31 butterfly species, represented by 62 individuals. The diversity index and species richness index recorded in the Paneki River riparian area were 3.25 and 3.43, respectively. Meanwhile, the evenness index was 0.94. These three indices suggest that the riparian habitat of the Paneki River supports a high, balanced, and stable diversity of butterfly species.Based on the analysis of species associations in the riparian habitat, 26 butterfly species exhibited associative interactions, forming a total of 296 association links. In contrast, 5 species did not show any associations with other species. The degree of association varied among species, with some exhibiting a high number of associations and others showing fewer.
Co-Authors Abdul Hapid DEDE AULIA RAHMAN Erniwati Erniwati Masy'ud, Burhanuddin Moh Ihsan Rukmi Rukmi Rukmi Sitti Ramlah Sri Ningsih Sustri Sustri Yusran