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All Journal Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Silva Tropika
Inggar Damayanti
University of Lampung
Agriculture, Biological Sciences & Forestry Engineering

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INVASIVENESS IDENTIFICATION: A STUDY CASE FROM LANTANA Inggar Damayanti; Muhammad Rifqi Hariri; Melza Mulyani
Jurnal Silva Tropika Vol. 5 No. 2 (2021): Jurnal Silva Tropika
Publisher : Fakultas Kehutanan Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jsilvtrop.v5i2.13644

Abstract

Invasion by invasive species represents one of the greatest threats to biodiversity worldwide, causing degradation and loss of habitat. Among them, one species belonged to the Verbenaceae family, namely Lantana camara, which includes 100 of the world’s worst invasive species. Distinguishing invasive from non-invasive species based on morphology alone is often difficult for plants in a vegetative stage, especially in Lantana, where they have complex morphological characters. In this regard, DNA barcoding may become a good alternative. This study aimed to select and provide a DNA barcode region that capable of distinguishing the invasive and non-invasive Lantana. Four DNA Barcode markers available in the sequence database (NCBI and BOLD), namely matK, rbcL, psba-trnh, and ITS2, were used to identify the invasiveness of various Lantana. A total of 132 data sequences from 17 species of Lantana were collected. The sequences were aligned and constructed into a dendrogram using MEGA X through the Neighbor-Joining method. This study shows that it is possible to distinguish Lantana camara from a series of closely related congeners by plastid base gene (matk and rbcl). The constructed phylogeny tree shows that invasive species Lantana camara was in a different clade with non-invasive Lantana.
Composition and Diversity of Macrozoobenthos in Seagrass Areas in Pulau Pahawang Village Darma Yuliana; Abdullah Aman Damai; Muhamad Gilang Arindra Putra; Rara Diantari; Nur Afni Afrianti; Inggar Damayanti; Yuliana Saleh; David Julian; Muhammad Reza; Berta Putri
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 4 (2025): August 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v14i4.1140-1147

Abstract

Seagrass beds, particularly those found in Pulau Pahawang Village, serve as vital marine ecosystems that support diverse marine life. This study aims to investigate the composition and diversity of macrozoobenthos within these seagrass ecosystems. Seagrass and macrozoobenthic data were gathered through a 30 m line transect and 1m×1m. The samples were identified to the species or genus level, and the data were analyzed for composition and diversity using the Shannon-Wiener (H’), Dominance (C), and Evenness (E) indices. To assess the relationship between seagrass cover and macrozoobenthic density, a Pearson correlation test was performed. The seagrass species found is Enhalus acoroides. The macrozoobenthic community found in the seagrass ecosystem consists of 2 classes: 22 Gastropoda and 16 Bivalvia. The diversity index of macrozoobenthos (1.47-2.81) show moderate diversity, with high similarity (0.638–0.917), amd low dominance (0.059–0.265) indicates a balance community. The environmental conditions, including water temperature (30.8°C–31.8°C), salinity (30–31), and dissolved oxygen (5.8–6.8 mg/L), strongly support the growth of seagrasses and macrozoobenthos. This study emphasizes the importance of monitoring water quality and species diversity to ensure the sustainability of the seagrass ecosystem and other in Pulau Pahawang Village.   Keywords: Biodiversity, Enhalus acoroides,  Macrozoobenthos, Seagrass beds, Water quality.
Co-Authors Abdullah Aman Damai Berta Putri Darma Yuliana David Julian Melza Mulyani Muhamad Gilang Arindra Putra Muhammad Reza Muhammad Rifqi Hariri Nur Afni Afrianti Rara Diantari Yuliana Saleh