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All Journal Albacore : Jurnal Penelitian Perikanan Laut Journal of Global Sustainable Agriculture
Alhusna, Indra Sundara
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Environmental Science

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Analyzing the conditions, potentials, and trends of vegetation biodiversity in conservation zones located within the business license area of PT PHE Ogan Komering Harbi, Jun; Heripan, Heripan; Milantara, Noril; Yuwono, Henri; Suharyadi, Suharyadi; Romantik, Romi; Alhusna, Indra Sundara; Al-Ansori, Muhammad Abdul Latif
Journal of Global Sustainable Agriculture Vol 4, No 2 (2024)
Publisher : Universitas Muhammadiyah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32502/jgsa.v4i2.8227

Abstract

Utilization of natural biological resources and their ecosystems responsibly and sustainably can be achieved through environmental management efforts, such as conservation. One company undertaking such efforts is PT Pertamina Hulu Energi Ogan Komering (PHE OK), which manages a conservation area. This research involves observations in the conservation area to obtain current data (conditions and potential) and trends at the location, in order to formulate strategies for its protection and management. The study was conducted in the PHE OK conservation area in Peninjauan Village, Peninjauan District, Ogan Komering Ulu Regency, South Sumatra Province. Data and analysis were performed using vegetation analysis methods, resulting in several parameters, including Density (K), Relative Density (KR), Frequency (F), Relative Frequency (FR), Dominance (D), Relative Dominance (DR), Importance Value Index (INP), Dominance Index (ID), Margalef Species Richness Index (R), Shannon Diversity Index (H'), and Pielou Evenness Index (E). The analysis results show a positive trend, with an increase in biodiversity values from low in 2022 to moderate currently. Additionally, the R value for seedling level is moderate, while it is low for saplings, poles, and trees. The E value for seedlings, saplings, poles, and trees all fall into the high species richness category. There has been an increase in each biodiversity indicator value compared to 2022, indicating that the protection efforts thus far have produced positive outcomes. However, more extensive enrichment is needed to achieve a significant increase in biodiversity
DIFFERENCES IN SQUID ATTRACTOR MATERIALS AND THEIR INFLUENCES ON THE EFFECTIVENESS OF SQUID EGG ATTACHMENT Alhusna, Indra Sundara; Mawardi, Wazir; Purwangka, Fis; Yusfiandayani, Roza
Jurnal Penelitian Perikanan Laut (Albacore) Vol 9 No 3 (2025): Albacore
Publisher : Departemen PSP IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/core.9.3.417-428

Abstract

The criteria for strength and durability of construction are critical in connection with the addition of coral fragments that add to the load on the squid attractor. The two materials to be tested are PVC and bamboo pipe materials based on adding fragments or without coral fragments. This study aims to compare the effectiveness of squid attractors made of bamboo with PVC pipes as a means of developing artificial habitats for another aquatic biota with the following points, namely, examining the influence of materials and the presence of coral fragments on the effectiveness of squid attraction, knowing the presence of fish and another biota in squid attractors made of bamboo and PVC pipes as well as the quality of seawater that supports the presence of fish and marine life and tests the resistance of hydrodynamic forces of squid attractors, bamboo materials and PVC pipes aligned with coral fragment planting. The analysis methods used include the effectiveness of squid attractor, fish abundance analysis, determination of squid attractor construction based on hydrodynamic forces, normality test, and statistical test (T-test/ Wilcoxon Test). The effectiveness of bamboo and PVC squid attractors with the addition of coral fragments and without coral fragments has very effective results. The use of bamboo squid attractors with the addition of coral fragments has a more significant abundance value. The addition of coral fragments increases stability to withstand hydrodynamic forces. Key words: squid attractor, bamboo, coral fragments, PVC
Co-Authors Al-Ansori, Muhammad Abdul Latif Edi Suharyadi Fis Purwangka Heripan, Heripan Jun Harbi Milantara, Noril Romantik, Romi Roza Yusfiandayani Wazir Mawardi Yuwono, Henri