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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology Jurnal Penelitian Perikanan Indonesia Bioscientist : Jurnal Ilmiah Biologi
Zulfaeda, Aulia
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences Veterinary

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Hubungan Fenomena Deforestasi dengan Penurunan Populasi Rusa Timor (Cervus timorensis) dan Pentingnya Pendidikan Konservasi bagi Masyarakat di Pulau Lombok Zulfaeda, Aulia; Efendi, M. Harja; Purwati, Nining
Bioscientist : Jurnal Ilmiah Biologi Vol. 12 No. 1 (2024): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v12i1.11409

Abstract

There is an endemic animal in West Nusa Tenggara namely the Timor Deer (Cervus timorensis). However, the population has decreased over time, and the Timor deer species is categorized as an endangered species by the IUCN. The decline of the Timor Deer population in Lombok island is due to lose its natural habitat in the forest. And one of the causes that is deforestation. Deforestation is the conversion of forests into land for use, such as clearing land for agriculture and plantations. Therefore, to maintain the Timor Deer population in Lombok island, it is also important to balance it with providing knowledge about conservation to the community through conservation education. This research aims to analyze the relationship between the deforestation phenomenon and the decline of the Timor Deer population and the importance of conservation education for the community in Lombok island, West Nusa Tenggara. Using a systematic literature review method by collecting data and literature from several journals. The results show that there is a relationship between the deforestation phenomenon and the decline of the Timor Deer population in Lombok and the importance of conservation education to the community to increase public awareness to protect endemic animals.
ECOSYSTEM ANALYSIS BETWEEN TOURIST AND NON-TOURIST BEACHES: BASED ON THE COMMUNITY STRUCTURE OF Ocypode sp. Lestariani, Nurlita; Zulfaeda, Aulia; Apriani, Najwa
Jurnal Penelitian Perikanan Indonesia Vol 31, No 1 (2025): (Maret 2025)
Publisher : Politeknik Kelautan dan Perikanan Karawang, BRSDM KP.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jppi.31.1.2025.1-10

Abstract

This research aims to analyze the differences between tourist and non-tourist beach ecosystems based on the community structure of Ocypode sp. Community analysis was carried out at two locations: Loang Baloq Beach (tourism) and Setangi Beach (non-tourism). The line-transect method was chosen for sample collection. At each location, three stations were created, and at each station, there were five quadrants. The water physico-chemical data collection consists of brightness, pH, temperature, TDS, and EC (conductivity). Apart from that, data was collected on human activity around the beach using certain criteria: 1) distance from the beach to the city center; 2) the existence of hotels or buildings around the beach; 3) the presence of physical waste; 4) visitor frequency; and 5) the existence of public facilities. Samples of Ocypode sp. were identified and then analyzed using density formulas, relative density, and diversity index. We found five species of ghost crab (Ocypode sp.) at Loang Baloq and Setangi Beach: Ocypode kuhlii, Ocypode jousseamei, Ocypode pallidula, Ocypode ryderi, and Ocypode japonica. The highest density and diversity of Ocypode sp. are found at Setangi Beach (non-tourist). The physico-chemistry of Setangi Beach waters shows better quality than Loang Baloq Beach. Likewise, the characteristics of human activity in the coastal area were observed. It can be concluded that physico-chemical factors and human activities influence the density and diversity of Ocypode sp. In addition, based on the community structure of Ocypode sp., it is stated that Setangi Beach (non-tourist) has better ecosystem quality than Loang Baloq Beach (tourism).
DRAGONFLIES DIVERSITY AND LAND COVER CHANGES IN THE BATUBOLONG RIVER, WEST LOMBOK DISTRICT Zulhariadi, Muhammad; Irawan, Raden Dedi; Zulfaeda, Aulia; Hidayani, Nurul
BIOTROPIA Vol. 29 No. 2 (2022): BIOTROPIA Vol. 29 No. 2 Agustus 2022
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2022.29.2.1637

Abstract

West Lombok District is the second largest district in Lombok Islands. The diversity of dragonflies (Order Odonata) as a bioindicator of environmental quality has not been widely studied in the West Lombok region. This study aimed to determine the species diversity of dragonflies (Order Odonata) found in Batubolong River, West Lombok District and its relation to the occurring land cover changes. This study was carried out by using a descriptive explorative method, where the sampling technique was done by means of line transects. Maps of study and sampling locations as well as land cover changes were made using ArcGIS 10.4.1 software based on primary and secondary data. The results showed that there were 11 species of dragonflies with a Shannon-Wiener diversity index value (H') of 2.212 (medium diversity), a population density index (C) of 0.126 (low dominance), and a species evenness index (E) of 0.923 (high uniformity). Our study also found two rare species of dragonfly in Lombok Island i.e., 3 individuals of Nososticta emphyla (Lieftinck, 1936) with 9% relative abundance and 1 individual of Drepanosticta berlandi (Lieftinck, 1939) with 3% relative abundance. The discovery of D. berlandi in Lombok is the third time after the findings in 1896 and the 19th century. Analysis of satellite data around the sampling area within the period 2013-2020 showed that there has been an increase in land cover of 6,149.29 m2. The increase in land cover changes may have caused the disappearance of several Odonata species in the sampling location.
Co-Authors Apriani, Najwa Efendi, M. Harja Irawan, Raden Dedi Lestariani, Nurlita Nurul Hidayani Purwati, Nining Zulhariadi, Muhammad