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All Journal Jurnal Biologi Tropis Nusantara Hasana Journal
Philipus Musyeri
Universitas Papua
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Journal : Nusantara Hasana Journal

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JENIS DAN KELIMPAHAN PLANKTON DI PANTAI DOSA, KABUPATEN MANOKWARI, PROVINSI PAPUA BARAT Sulfiana Wing Putri; Alianto; Philipus Musyeri; Wikram
Nusantara Hasana Journal Vol. 2 No. 12 (2023): Nusantara Hasana Journal, May 2023
Publisher : Yayasan Nusantara Hasana Berdikari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59003/nhj.v2i12.840

Abstract

Plankton in aquatic ecosystems has a very important role, especially in the food chain, because plankton is the main producer that makes the largest contribution to the total primary productivity of an aquatic area. This Field Work Practice aims to determine the species and abundance of plankton that is good and correct according to widely used standards. This Field Work Practice was carried out on 10 January – 10 February 2023. Determination of field work practice stations using the purposive sampling method at 1 location and three plankton sampling points. In situ measurement of water quality parameters includes temperature, dissolved oxygen (DO), pH and salinity. Plankton samples were identified and analyzed at the Aquatic Resources Laboratory, Faculty of Fisheries and Marine Sciences, University of Papua. The results of field work practice obtained eight classes of plankton and classes consisting of 33 genera. Phytoplankton found 29 genera from 5 classes namely Bacillariophyceae, Cyanophyceae, Chlorophyceae, Dinophyceae, Trebouxiophyceae, And Zooplankton found 3 classes consisting of 4 genera, namely Scyphozoa, Copepoda, Eurotatoria. The highest abundance of Phytoplankton was at seagrass points, namely 1005 Sel/L, coral reefs 637.5 Sel/L and mangroves 530 Sel/L. The highest abundance of Zooplankton was found in seagrasses around 40 individu/L, coral reefs with 10 individu/L, and mangroves with 0 individu/L.
KEANEKARAGAMAN LAMUN (SEAGRASS) DI PERAIRAN PANTAI PASIR PUTIH KABUPATEN MANOKWARI, PAPUA BARAT Balandina Selfina Awom; Selfani Talakua; Philipus Musyeri; Duijesisca Gultom
Nusantara Hasana Journal Vol. 3 No. 6 (2023): Nusantara Hasana Journal, November 2023
Publisher : Yayasan Nusantara Hasana Berdikari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59003/nhj.v3i6.1025

Abstract

Seagrass is a plant that lives in shallow seas with various different types of substrate and seagrass is a type of plant that has flowers, leaves and fruit. Manokwari City is one of the capital cities of West Papua Province which has waters, one of which is Pasir Putih waters. The diversity of seagrass species in this location is not yet well known, for this reason it is necessary to conduct research regarding the diversity of seagrass in the waters of Pasir Putih, Manokwari, West Papua. This research was conducted in July using the quadrant transect method. Based on research results, the types of seagrass found around the waters of white sand beaches consist of 4 types, namely Cymodocea rotundata, Halophila ovalis, Halodule pinifolia and Syringodium isoetofolium. The highest density of seagrass species is the Syringodium isoetifolium type with a value of 958 stands/m2, the highest relative density is the Syringodium isoetifolium seagrass type with a density percentage of 54%. The highest relative frequency is the seagrass species Halophila ovalis with a percentage of 34%. The level of diversity of seagrass species in transect I is in the medium group and in transects II and III is in the low group. The highest uniformity index value in transect I was 0.82 and the dominance index can be concluded that there is no type of seagrass that dominates the community.
Co-Authors Alianto , Balandina Selfina Awom Duijesisca Gultom Selfani Talakua Sulfiana Wing Putri Wikram