cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Muhammad Rizaldi Trias Jaya Putra Nurdin
Contact Email
rizalditrias@unsulbar.ac.id
Phone
+6282333330819
Journal Mail Official
ijec@unsulbar.ac.id
Editorial Address
https://ojs.unsulbar.ac.id/index.php/ijec/about/editorialTeam
Location
Kab. majene,
Sulawesi barat
INDONESIA
Indonesian Journal of Ecology and Conservation
Published by Universitas Sulawesi Barat
ISSN : -     EISSN : 30475392     DOI : https://doi.org/10.31605/ijec
Core Subject : Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science
Indonesian Journal of Ecology and Conservation is a journal published in 2024 by the Center for Ecology, Conservation, and Ethnobiology Studies at the Universitas Sulawesi Barat, Indonesia. The establishment of this journal is driven by the importance of recognizing the diversity of flora and fauna in Indonesia, particularly on the island of Sulawesi. The geographical uniqueness of this island, separated from the continents of Asia and Australia, has allowed for the evolution of different species and is a primary cause of its biodiversity richness. This aspect is certainly attractive for research by various groups, and the Indonesian Journal of Ecology and Conservation serves as an appropriate platform for accessing and publishing research findings in the fields of ecology, conservation, molecular, systematic, and evolutionary studies
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ekologi
Articles 50 Documents
 1   2   3   4   5 
Diversity and Potential of Nitrogen-Fixing Rhizosphere Bacteria Associated with Foxtail Millet (Setaria italica L.) as Candidates for Biofertilizers in Sustainable Agriculture Yusril Yusril; Nurmuliayanti Muis; Masyitha Wahid; Arlinda Puspita Sari
Indonesian Journal of Ecology and Conservation Vol. 1 No. 2 (2024): Flora and Fauna Conservation
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v1i2.6327

Abstract

Foxtail millet (Setaria italica L.) is a potential cereal crop that can be developed as an alternative food source. Rhizosphere microorganisms, particularly nitrogen-fixing bacteria, play an important role in improving soil fertility through nitrogen fixation and the production of plant growth hormones. However, information regarding the potential of rhizosphere bacteria associated with foxtail millet in West Sulawesi remains limited. This study aimed to isolate, select, and identify nitrogen-fixing rhizosphere bacteria associated with foxtail millet and to evaluate their potential as biofertilizer candidates. Bacterial isolation was conducted using a serial dilution method on selective Jensen medium, followed by colony morphology characterization and Gram staining. Selected isolates were further tested for their nitrogen-fixing ability and their capacity to produce plant growth hormones, including indole-3-acetic acid (IAA) and gibberellin (GA₃). Molecular identification was performed using 16S rRNA gene analysis. The results showed that 31 bacterial isolates were successfully obtained from the rhizosphere of foxtail millet, of which 10 isolates were selected based on morphological characteristics. Five isolates demonstrated nitrogen-fixing ability, while three of the best isolates were capable of producing both IAA and gibberellin. Molecular analysis revealed that the best-performing isolates showed high similarity to Bacillus toyonensis and Bacillus cereus. These findings indicate that rhizosphere bacteria associated with foxtail millet have significant potential as biofertilizer candidates to support sustainable agriculture
Bioprospecting of Potential Probiotic Lactic Acid Bacteria from the Gut of Native Chickens (Gallus domesticus) in the Antang Landfill Ecosystem Khaerunnisa Khaerunnisa; Zaraswati Dwyana; Sulfahri Sulfahri
Indonesian Journal of Ecology and Conservation Vol. 1 No. 2 (2024): Flora and Fauna Conservation
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v1i2.6332

Abstract

The use of antibiotics as antibiotic growth promoters (AGPs) in the poultry industry has raised concerns due to increasing bacterial resistance and the potential presence of antibiotic residues in animal products. Consequently, probiotics have been widely explored as a safer alternative to improve livestock health and productivity. Lactic acid bacteria (LAB) are among the most commonly used probiotic microorganisms because they can maintain intestinal microbial balance and produce antimicrobial compounds that inhibit pathogenic bacteria. However, information regarding LAB derived from the intestines of native chickens inhabiting unique ecosystems such as landfill sites remains limited. This study aimed to bioprospect potential probiotic LAB from the intestines of native chickens (Gallus domesticus) living in the Antang landfill ecosystem and evaluate their application in broiler chickens. LAB were isolated using MRSA medium enriched with CaCO₃, followed by morphological identification, Gram staining, and probiotic characterization through acid tolerance, bile salt tolerance, and antagonistic activity tests against Escherichia coli and Salmonella typhi. Eight LAB isolates were obtained, of which five showed promising probiotic potential. The best isolate demonstrated strong antibacterial activity and improved body weight gain and feed efficiency in broiler chickens
Species Diversity and Distribution Patterns of Epiphytic Orchids (Orchidaceae) in Bukit Pasapa Kurrak, Mamasa, West Sulawesi, Indonesia Hasgun Hasgun; Nurmuliayanti Muis; Muh Rizal Kurniawan Yunus
Indonesian Journal of Ecology and Conservation Vol. 2 No. 1 (2025): Tropical Ecology and Biodiversity
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v2i1.6334

Abstract

Biodiversity refers to the variety of living organisms, encompassing genetic, species, and ecosystem diversity within a particular area. Epiphytic orchids are orchids that grow on other plants but are not parasitic, as they only attach to the trunks, branches, or twigs of living or dead trees without deriving nutrients directly from their hosts. This study aimed to analyze the diversity and distribution patterns of epiphytic orchid species in Bukit Pasapa Kurrak and to explore their implementation as a biological learning resource. This research employed a quantitative approach using an exploratory survey method. Sampling was conducted using a purposive sampling technique. The collected data were analyzed by calculating several ecological indices, including the Important Value Index (IVI), Shannon–Wiener diversity index (H’), Simpson dominance index (C), evenness index (E), and Morisita’s index of dispersion (Id). The results showed that the diversity of epiphytic orchid species in Bukit Pasapa Kurrak was categorized as moderate, with a Shannon–Wiener diversity index of H’ = 1.66. The distribution pattern of epiphytic orchids in the study area was classified as random, with a Morisita index (Ip) of 0.04. Furthermore, validation results from two expert validators indicated that the developed learning resource was highly valid and feasible to implement as a biology learning resource.
Diversity and Phosphate-Solubilizing Potential of Rhizosphere Bacteria Associated with Foxtail Millet (Setaria italica L.) Samrawati Samrawati; Nurmuliayanti Muis; Sainab Sainab
Indonesian Journal of Ecology and Conservation Vol. 2 No. 2 (2025): Tropical Ecology and Biodiversity
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v2i2.6336

Abstract

Foxtail millet (Setaria italica L.) is a cereal crop that can adapt to marginal environments; however, its growth is often limited by low phosphorus availability in the soil. Phosphate-solubilizing bacteria (PSB) in the rhizosphere play an important role in increasing phosphorus availability and promoting plant growth. This study aimed to isolate and screen phosphate-solubilizing bacteria associated with the rhizosphere of foxtail millet and evaluate their potential as plant growth-promoting rhizobacteria. Soil samples were collected from the rhizosphere and subjected to serial dilution followed by bacterial isolation on Nutrient Agar medium. Screening of phosphate-solubilizing activity was conducted using Pikovskaya medium by observing the formation of clear zones around bacterial colonies and calculating the solubilization index. Morphological characterization and Gram staining were also performed. The results showed that several isolates were capable of solubilizing phosphate with moderate solubilization indices. The colonies generally exhibited circular shapes, entire to undulate margins, convex elevation, and milky white coloration. Gram staining indicated the presence of both Gram-positive and Gram-negative bacteria. These findings suggest that rhizosphere bacteria associated with foxtail millet have potential as plant growth-promoting rhizobacteria.
Species Diversity and Feeding Guilds of Birds as Potential Resources for Birdwatching Ecotourism in Napabale Lake, Southeast Sulawesi La Ode Muhammad Jabarudin; Amirullah Amirullah; Adi Karya
Indonesian Journal of Ecology and Conservation Vol. 3 No. 1 (2026): Ecology and Biodiversity Conservation
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v3i1.6345

Abstract

The Napabale Lake Tourism Area in Muna Regency, Southeast Sulawesi, possesses a unique ecosystem formed by the interaction between the lake and marine environments, supported by diverse vegetation that provides habitat and food resources for various bird species. Bird diversity across different habitats is important to study in order to understand community structure and its ecological potential. This study aims to identify bird species diversity and the composition of feeding guilds within the Napabale Lake ecosystem as a basis for ecological information and the potential development of birdwatching-based ecotourism. The study was conducted using the point-count method across three ecosystem types: lowland forest, lake riparian, and coastal areas. Observations were conducted in the morning (06:00–08:30 WITA) and afternoon (15:00–17:30 WITA), with three repetitions in each ecosystem over nine days of observation. Data were analyzed using the Shannon–Wiener diversity index and Non-Metric Multidimensional Scaling (nMDS) ordination analysis with the Bray–Curtis index. The results showed that a total of 696 individual birds were recorded, comprising 30 species from 7 orders. The highest number of individuals was found in the lake riparian ecosystem (293), followed by lowland forest (267) and coastal areas (136). The highest diversity index value was observed in the lowland forest ecosystem (H’ = 2.52), followed by the lake riparian (H’ = 2.51), and the lowest in the coastal ecosystem (H’ = 2.46). The composition of feeding guilds was dominated by insectivores (31%) and omnivores (24%). The nMDS results indicated overlap in bird communities across ecosystems, suggesting flexible habitat use. Habitat diversity in Napabale Lake plays an important role in maintaining the stability of the bird community and has potential for development as birdwatching ecotourism.
In Vitro Conservation and Metabolite Profiling of Patchouli (Pogostemon cablin Benth.): Hormonal Effects on Callus and Volatile Oil Preservation Dewi Sartika Amboupe; Jamilatus Sa’diyah; Sri Ayu Anggita
Indonesian Journal of Ecology and Conservation Vol. 2 No. 1 (2025): Tropical Ecology and Biodiversity
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v2i1.6359

Abstract

Patchouli (Pogostemon cablin Benth.) is a significant tropical bioresource known for its essential oil, which possesses high ethnobiological and economic value but cannot yet be synthetically produced. This study aims to establish an in vitro conservation framework and evaluate the preservation of secondary metabolites (volatile oil) within callus cultures. Leaf explants were cultured on Murashige and Skoog (MS) media supplemented with various combinations of 2,4-D and BAP: 1 ppm BAP (W1), 1 ppm BAP + 1 ppm 2,4-D (W2), 1 ppm BAP + 2 ppm 2,4-D (W3), 2 ppm BAP + 1 ppm 2,4-D (W4), and 2 ppm BAP + 2 ppm 2,4-D (W5). The results indicated that W1 (1 ppm BAP without 2,4-D) was the most effective treatment for sustainable biomass production, achieving a 75% growth rate, the fastest induction time (6 days), and the highest fresh weight (0.1364 g). Thin Layer Chromatography (TLC) profiling confirmed that the in vitro callus successfully preserved volatile oil components identical to the mother plant, as evidenced by purple spots at Rf values of 0.75 and 0.95. Although alkaloids and flavonoids were not detected due to the cellular dedifferentiation phase, the consistent presence of volatile oils demonstrates the potential of in vitro systems for the conservation and sustainable management of tropical aromatic plant metabolites.
Studi Taksonomi Pogostemon spp. (Lamiaceae) Asal Pulau Sulawesi: Karakterisasi Morfologi dan Dokumentasi Biodiversitas Dewi Sartika Amboupe; Jamilatus Sa’diyah
Indonesian Journal of Ecology and Conservation Vol. 2 No. 1 (2025): Tropical Ecology and Biodiversity
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v2i1.6360

Abstract

Sulawesi Island is a key area of the Wallacea region, known for its high level of plant endemism, including the genus Pogostemon. A comprehensive taxonomic study is essential to document the biodiversity and provide accurate identification for tropical resource management. This study aims to examine the taxonomic characters of Pogostemon spp. collected from Sulawesi and deposited at Herbarium Bogoriense (BO). Using a descriptive method based on morphological characteristics of 13 collection numbers, the study analyzed vegetative and reproductive structures. The results identified two distinct species: Pogostemon cablin (Blanco) Benth. and Pogostemon auricularius Hassk. These species are clearly distinguished by the shape of the leaf blade, calyx structure, and the type of indumentum present on the stem, leaf, and flower surfaces. This taxonomic study contributes to the baseline data of Lamiaceae in Sulawesi, supporting further research in plant ecology and conservation of tropical flora
Bat community composition and habitat-associated niche differentiation in a tropical island ecosystem of Wakatobi, Indonesia Jimi Purnama Putra S; Lestari Febriant Pitaloka; La Ode Muhammad Erif; Adi Karya
Indonesian Journal of Ecology and Conservation Vol. 3 No. 1 (2026): Ecology and Biodiversity Conservation
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v3i1.6363

Abstract

Bats (Chiroptera) play important ecological roles in tropical island ecosystems, yet information on their community structure in small island systems remains limited. This study aims to analyze species composition, abundance, and habitat associations of bat communities in Wakatobi. Field surveys were conducted in September 2023 across three islands (Wangi-wangi, Kaledupa, and Tomia) using a combination of mist nets and roost observations. A total of 10 sampling points were established, consisting of 5 cave sites, 3 mangrove sites, and 2 terrestrial vegetation sites, with one mist net deployed at each point. Data were analyzed using diversity indices (Shannon-Wiener and Simpson), descriptive abundance analysis, and multivariate approaches including Principal Component Analysis (PCA) and PERMANOVA. A total of 1,604 individuals representing five species from three genera (Pteropus, Rousettus, and Hipposideros) were recorded. The community was strongly dominated by frugivorous bats, particularly Pteropus pumilus (84.47%), which was primarily associated with mangrove and terrestrial vegetation habitats. In contrast, cave habitats were dominated by insectivorous species such as Hipposideros galeritus. Diversity indices indicated low species diversity but high dominance, especially in mangrove habitats. PCA results revealed a clear ecological gradient separating vegetation and cave habitats, with the first two components explaining 100% of total variation (Dim1 = 71.7%; Dim2 = 28.3%). These findings demonstrate strong habitat-driven community structuring and niche differentiation among bat species. This study represents the first assessment of bat community structure in Wakatobi using a PCA-based multivariate approach, providing new insights into habitat–species relationships in small island ecosystems. The results highlight the importance of conserving mangrove and cave habitats as complementary systems supporting bat diversity and ecosystem functions.
Ecophysiological Adaptation and Leaf Micromorphology of Noni (Morinda citrifolia L.) in Supporting Plant Resilience within Tropical Ecosystems Adinda Nurfatimah Azzahra; Dewi Sartika Amboupe
Indonesian Journal of Ecology and Conservation Vol. 2 No. 2 (2025): Tropical Ecology and Biodiversity
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v2i2.6373

Abstract

Noni (Morinda citrifolia L.) is a pioneer species in tropical ecosystem succession, known for its ability to persist under various environmental conditions. This study aims to analyze the internal leaf architecture of Noni to elucidate its ecophysiological adaptation strategies. Leaf samples were collected from multiple individuals and examined using transparent nail polish impression techniques and microscopic observations. The analysis focused on epidermal characteristics, stomatal density, and mesophyll organization. Quantitative results showed that stomata were exclusively distributed on the abaxial surface, confirming a hypostomatic pattern, with a mean stomatal density of 245 ± 32 stomata/mm². The stomata were identified as anomocytic type. Epidermal observations revealed the presence of non-glandular trichomes, suggesting a primarily physical protective function. Anatomically, the mesophyll exhibited a dorsiventral structure, with a two-layered palisade tissue contributing approximately 45.8% of total mesophyll thickness, indicating adaptation to high light intensity. The spongy tissue with large ellular spaces facilitates efficient gas exchange. Overall, these findings indicate that the leaf anatomical traits of M. citrifolia reflect potential structural adaptations to environmental conditions such as high irradiance and water limitation. However, further comparative and physiological studies are required to confirm the ecological significance of these traits in enhancing plant resilience across diverse habitats
Integrating Liquid Probiotics into Sustainable Poultry Systems to Enhance Egg Protein Content in Gallus sp. Nurul Magfirah Sukri; Eddy Soekendarsi; Zaraswati Dwyana; Herlina Rante
Indonesian Journal of Ecology and Conservation Vol. 2 No. 2 (2025): Tropical Ecology and Biodiversity
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v2i2.6381

Abstract

The sustainability of livestock ecosystems increasingly depends on improving feed conversion efficiency and reducing reliance on synthetic chemical additives. Probiotics offer a biological alternative to enhance poultry productivity while maintaining ecological balance. This study aims to evaluate the enhancement of egg protein content in laying hens (Gallus sp.) through the integration of liquid probiotics into sustainable poultry systems. The research followed a Completely Randomized Design (CRD) with three treatments: control (M0), liquid probiotic culture (M1), and commercial probiotic (M2). Egg protein content was analyzed using the Kjeldahl method, involving digestion, distillation, and titration to determine total nitrogen levels, which were converted into crude protein percentages. The findings indicate that while liquid probiotic integration showed a positive trend in enhancing egg protein levels, the statistical analysis revealed no significant difference (P>0.05) among treatments. The liquid probiotic culture (M1) yielded the highest mean protein content at 11.26 ± 1.361 mg/g, compared to the control group (10.5 ± 1.371 mg/g). This numerical improvement suggests that probiotics support gut microflora health, potentially aiding nitrogen metabolism efficiency. Although not statistically significant in this trial, the implementation of probiotics in sustainable livestock systems supports ecosystem conservation by providing a chemical-free alternative for poultry management and promoting long-term biological resilience

Page 5 of 5 | Total Record : 50

 1   2   3   4   5 

Filter by Year

2024 2026


Reset
Filter By Issues
All Issue Vol. 3 No. 1 (2026): Ecology and Biodiversity Conservation Vol 3 No 1 (2026): Ecology and Biodiversity Conservation Vol 2 No 2 (2025): Tropical Ecology and Biodiversity Vol. 2 No. 2 (2025): Tropical Ecology and Biodiversity Vol 2 No 1 (2025): Tropical Ecology and Biodiversity Vol. 2 No. 1 (2025): Tropical Ecology and Biodiversity Vol 1 No 2 (2024): Flora and Fauna Conservation Vol. 1 No. 2 (2024): Flora and Fauna Conservation Vol 1 No 1 (2024): Flora and Fauna Conservation Vol. 1 No. 1 (2024): Flora and Fauna Conservation