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BIOLOGI REPRODUKSI TUMBUHAN KAMBOJA (Plumeria rubra) Hendriawan; Sulistia Febriani; Slamet Mardiyanto Rahayu
Nusadaya Journal of Multidiciplinary Studies Vol. 2 No. 7 (2025): Nusadaya Journal of Multidiciplinary Studies, September 2025
Publisher : LPPM, Akademi Administrasi Rumah Sakit Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66294/njms.v2i7.121

Abstract

Frangipani (Plumeria rubra) is a tropical ornamental plant that plays an important role in landscape aesthetics and ecological interactions in tropical environments. This study aims to comprehensively analyze the reproductive biology of Plumeria rubra, including its generative and vegetative mechanisms. The method used in this study is direct observation combined with descriptive analysis. The results indicate that generative reproduction involves complex pollination mechanisms influenced by floral morphology, pollinator interactions, and environmental factors. However, fruit and seed formation are relatively rare under natural conditions. In contrast, vegetative reproduction through stem cuttings is highly efficient and widely utilized due to its rapid growth and genetic stability. From a conservation perspective, this species is not classified as threatened due to its adaptability and widespread cultivation. These findings highlight the dominance of vegetative propagation in maintaining population sustainability of Plumeria rubra in both natural and artificial ecosystem.
BIOMONITORING PENCEMARAN AIR MENGGUNAKAN BEKICOT (Achatina fulica) SEBAGAI BIOINDIKATOR LINGKUNGAN Fadiya Utami; Sulistia Febriani; Slamet Mardiyanto Rahayu
Nusadaya Journal of Multidiciplinary Studies Vol. 2 No. 7 (2025): Nusadaya Journal of Multidiciplinary Studies, September 2025
Publisher : LPPM, Akademi Administrasi Rumah Sakit Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.66294/njms.v2i7.122

Abstract

Water pollution is an environmental problem caused by anthropogenic activities such as domestic, industrial, and agricultural waste. One effective method for monitoring water quality is biomonitoring using bioindicator organisms. The snail (Achatina fulica) has the ability to absorb and accumulate pollutants, particularly heavy metals, through its body surface and digestive system. The accumulation of contaminants in snail tissues reflects the surrounding environmental conditions, making it a useful indirect indicator of water quality. In addition, changes in the behavior and physiological responses of the snail can indicate environmental stress caused by pollution. Therefore, Achatina fulica has the potential to serve as an economical and practical bioindicator in water pollution biomonitoring.