Lidyana Maya Gosal
Alumni Jurusan Biologi Fakultas MIPA Universitas Sam Ratulangi Manado

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Kebiasaan Makanan Ikan Gelodok (Periophthalmus sp.) di Kawasan Mangrove Pantai Meras, Kecamatan Bunaken, Kota Manado, Sulawesi Utara (The Food Habit of Mudskipper Fish, Periophthalmus sp. in Mangrove Areas of Meras Beach, Bunaken District, Manado City, No Gosal, Lidyana Maya; Katili, Deidy Yulius; Singkoh, Marina FO; Tamanampo, Jan EWS
JURNAL BIOS LOGOS Vol 3, No 2 (2013): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.3.2.2013.4429

Abstract

AbstrakTelah dilakukan penelitian untuk mengamati kebiasaan makanan ikan gelodok di kawasan mangrove Pantai Meras, Kecamatan Bunaken, Kota Manado, Sulawesi Utara. Kebiasaan makanan ikan gelodok menyangkut jenis-jenis makanan, persentase nilai dari suatu jenis makanan dan nilai bagian terbesar dari komposisi makanannya. Metode yang digunakan di lapangan adalah metode random sampling dengan 30 individu ikan sebagai sampel. Identifikasi jenis-jenis makanan ikan menggunakan mikroskop dengan pembesaran 100x. Hasil analisis dengan menggunakan Indeks Bagian Terbesar didapatkan bahwa makanan utama adalah Crustacea, makanan pelengkap adalah zooplankton, fitoplankton, Polychaeta dan makanan tambahan adalah Hexapoda.Kata kunci : Ikan gelodok, kebiasaan makananAbstractA study to observe the food habit of mudskipper fish in mangrove areas of Meras Beach, Bunaken District, Manado City, and North Sulawesi was conducted. This feeding manner included food types, the percentage value of a particular food and the largest value of food composition. The random sampling method using 30 fish was applied in the site location. The food type of this fish was identified using a microscope with 100x magnification. Results of this research showed that the main food was crustacean, the complementary food was zooplankton, phytoplankton, Polychaeta, and the supplementary food was Hexapoda.Keywords : mudskipper fish, food habits
Keanekaragaman dan Perbedaan Jenis Kupu-kupu (Ordo Lepidoptera) Berdasarkan Topografi pada Tiga Lokasi Hutan di Sulawesi Utara Diversity and Differences type of Butterfly species (Order Lepidoptera) based on the topography of the three forest location in Gosal, Lidyana Maya; Memah, Ventje; Rimbing, Jimmy
JURNAL BIOS LOGOS Vol 6, No 2 (2016): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.6.2.2016.13791

Abstract

Abstrak   Kupu-kupu merupakan salah satu bagian dari ekosistem yang fungsinya mempertahankan keseimbangan ekosistem dan memperkaya keanekaragaman hayati. Tujuan penelitian yaitu untuk menganalisis kekayaan, kelimpahan, keanekaragaman dan kemerataan spesies di hutan Danowudu, Masarang dan Kawatak, juga membandingkan jenis kupu-kupu berdasarkan topografi pada ketiga lokasi hutan tersebut. Penelitian ini dilaksanakan di hutan Danowudu, Masarang dan Kawatak dan dilanjutkan di laboratorium dari bulan Maret-Juli 2016. Penelitian ini menggunakan metode transek dan rute dibuat sepanjang 1000 m untuk setiap transek. Hasil penelitian menunjukkan bahwa kelimpahan, kekayaan dan keanekaragaman spesies kupu-kupu tertinggi di hutan Danowudu. Kemerataan spesies tertinggi di hutan Masarang. Spesies kupu-kupu yang hanya dapat ditemukan di hutan Danowudu (200-240 mdpl) terdiri dari 13 spesies. Spesies kupu-kupu yang hanya dapat ditemukan di hutan kawatak (827-938 mdpl) terdiri dari 7 spesies. Spesies kupu-kupu yang hanya dapat ditemukan di hutan Masarang (1084-1194 mdpl) terdiri dari 3 spesies. Kata kunci: keanekaragaman, kupu-kupu, Lepidoptera, Sulawesi Utara   Abstract   Butterfly is part of an ecosystem and has function to maintain ecosystem stability and enrich biodiversity. This research aimed to analyze the richness, abundance, diversity and evenness of species in Danowudu, Masarang and Kawatak forest as well as to compare the species of butterflies based on the topography of the three locations of the forest. This research was conducted in Danowudu, Masarang and Kawatak forest and the continued in the laboratory from March to July 2016. This study used a transect method and the route was made as long as 1000 m for each transect. The results showed that the highest abundance, richness and diversity of butterfly species were in Danowudu forest. The highest evenness of species was in the Masarang forest. Butterfly species that was only found in Danowudu forest (200-240 masl) consisted of 13 species. Butterfly species that was only found in Kawatak forest (827-938 masl) included 7 species. Butterfly species that was only found in Masarang forest (1084-1194 masl) comprised 3 species. Keywords: butterfly, diversity, Lepidoptera, North Sulawesi