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Karisma Cahyani
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Dentistry Health Professions Medicine & Pharmacology Nursing Public Health

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KEANEKARAGAMAN LUMUT KERAK (LICHEN) SEBAGAI BIOINDIKATOR PENCEMARAN UDARA Karisma Cahyani; Elsa Fitriani; Slamet Mardiyanto Rahayu
Nusadaya Journal of Multidiciplinary Studies Vol. 2 No. 2 (2025): Nusadaya Journal of Multidiciplinary Studies, April 2025
Publisher : LPPM, Akademi Administrasi Rumah Sakit Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66294/njms.v2i2.97

Abstract

Air pollution is becoming an increasingly common environmental problem, driven by increasing human activity, such as transportation, industrial activity, and the use of fossil fuels. This condition can degrade air quality and potentially negatively impact the environment and the health of living things. Therefore, air quality monitoring is necessary to determine the level of pollution in an area. One approach that can be used is biomonitoring using bioindicator organisms. Lichens, or lichens, are organisms resulting from a symbiosis between fungi and algae that are known to be highly sensitive to changes in environmental conditions, particularly air quality. This study aims to examine the use of lichens as biomonitoring in detecting air pollution levels through a literature review method. The results of the study indicate that the presence, diversity, and morphological types of lichens are significantly influenced by air quality conditions in a region. Areas with good air quality generally have a higher lichen diversity than areas with high levels of pollution. Thus, lichens can be used as quite effective and relatively easy-to-implement biological indicators in environmental air quality monitoring.
BIOLOGI REPRODUKSI TUMBUHAN JATI (Tectona grandis) Karisma Cahyani; Fitriani; Slamet Mardiyanto Rahayu
Nusadaya Journal of Multidiciplinary Studies Vol. 2 No. 6 (2025): Nusadaya Journal of Multidiciplinary Studies, August 2025
Publisher : LPPM, Akademi Administrasi Rumah Sakit Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66294/njms.v2i6.119

Abstract

This study aims to understand the reproductive mechanisms of teak (Tectona grandis) both generatively and vegetatively, and their relationship to global conservation status. The methods used were field observations and literature studies from various reliable scientific sources. The results of the study indicate that generative reproduction of teak occurs through the process of flowering, pollination by insects, and the formation of seeds that have natural dormancy. Meanwhile, vegetative reproduction is carried out through techniques such as cuttings and tissue culture, which are more efficient in cultivation because they produce uniform plants. Furthermore, based on global conservation data, teak is included in the endangered category. Thus, both reproductive methods play an important role in supporting the preservation and development of teak plants.
BIOETIKA PENELITIAN BIOEKOLOGI TUMBUHAN POHON CEMARA (Casuarina sp.) DI PANTAI KURANJI, KABUPATEN LOMBOK BARAT Karisma Cahyani; Oktavita wulandari; Slamet Mardiyanto Rahayu
Nusadaya Journal of Multidiciplinary Studies Vol. 2 No. 8 (2025): Nusadaya Journal of Multidiciplinary Studies, October 2025
Publisher : LPPM, Akademi Administrasi Rumah Sakit Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66294/njms.v2i8.131

Abstract

Casuarina trees (Casuarina sp.) are a key element of coastal flora, significantly contributing to the stability of shorelines and the equilibrium of ecosystems. Nevertheless, research in bioecology conducted in natural settings can present risks to ecosystems if ethical considerations are not thoroughly observed. This research intends to examine the implementation of bioethical principles in bioecological studies concerning Casuarina trees at Kuranji Beach, located in West Lombok. The study utilized a qualitative descriptive method through observational techniques and ethical evaluation without any quantitative data collection. Findings reveal that bioethical principles can be incorporated through approaches that do not harm the environment, maintain the integrity of habitats, and foster ecological awareness during research efforts. Moreover, the research highlights possible infringements of bioethical standards observed in field studies where there is a deficiency in ethical consciousness. Consequently, the inclusion of bioethical principles is crucial for ensuring that research activities are performed in a responsible and sustainable manner, especially in coastal ecosystems that are particularly susceptible to ecological disturbances.
TEKNIK KOLEKSI DAN PRESERVASI TUMBUHAN JATI (Tectona grandis) DI KELURAHAN TURIDA, KECAMATAN SANDUBAYA, KOTA MATARAM Karisma Cahyani; Ratna Ariyanti; Karmila Fajriah; Slamet Mardiyanto Rahayu
Nusadaya Journal of Multidiciplinary Studies Vol. 2 No. 9 (2025): Nusadaya Journal of Multidiciplinary Studies, November 2025
Publisher : LPPM, Akademi Administrasi Rumah Sakit Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66294/njms.v2i9.136

Abstract

Plant collection and preservation are essential steps in botanical studies to support species identification and biodiversity documentation. This study aims to describe the techniques of collecting and preserving teak (Tectona grandis) in Turida Village, Sandubaya District, Mataram City. The method used was a field survey with direct sampling of representative vegetative parts. Preservation was carried out using herbarium techniques, including pressing, drying, and labeling the specimens. The results indicate that proper collection techniques greatly influence specimen quality, particularly in maintaining key morphological characteristics for accurate identification. In addition, appropriate preservation methods enhance specimen durability for long-term use. Therefore, the application of systematic collection and preservation techniques contributes to botanical research and supports sustainable biodiversity conservation efforts.
Co-Authors Elsa Fitriani Fitriani Karmila Fajriah Oktavita Wulandari Ratna Ariyanti Slamet Mardiyanto Rahayu