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All Journal Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam TECHNO-SOCIO EKONOMIKA
Ila Rahayu
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Economics, Econometrics & Finance Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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POLA SEBARAN DAN KONDISI MIKROHABITAT RAMA-RAMA (Thalassina spp.) DI LINGKUNGAN PESISIR BUKIT BATU, BENGKALIS, RIAU Ila Rahayu; Ahmad Muhammad; Windarti '
Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam Vol 1, No 2 (2014): Wisuda Oktober 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Matematika dan Ilmu Pengetahuan Alam

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Abstract

Mud lobsters (Thalassina) are one of the most common macrofauna in mangrove ecosystems, especially in the Indo-Pacific region. The presence of this fauna is typically marked by mud mounds that are hardly overseen in its habitats, as a result of its bioturbation activities. This study, which focused on Bukit Batu coastal area in Riau Province, aimed to identify the occurring species in the area, describe the distribution and abundance patterns along the sea-inland gradient, and identify critical factors affecting the patterns. Observations were carried out in the focal area from September to November 2013 along four 1100 m-long transects, on each of which 10 quadratic plots of 10 m x 10 m were established in 100-m interval. The observed parameters were the characteristics of vegetation cover, soil BD, groundwater level, groundwater salinity and pH, beside number of “active” mounds. At least two species of mud lobsters were countered, T. anomala and T. spinosa. Mud lobster mounds were totally absent at a distance of 0 and 100 m from lowest-tide line, while most abundant at a distance of 200 m, with 9.4 mounds/m2. The abundance decreased sharply following the increasing distance toward inland, which was down to 0.09 mounds/m2 at 1100 m. Mounds were more evenly distributed toward the sea, while increasingly random as their density decreased. Groundwater salinity was the most critical affecting mound distribution and abundance.
Pemahaman dan Kesiapan Insinyur Teknik Sipil dalam Green Infrastructure Saepurrahman, Dewa; Siregar, Chandra Afriade; Pratiwi, A. Andini Radisya; Zamani, Ahmad Fikri; Jainudin, E.; Satria, Eka; Rahayu, Ila; Lestari, Santi Dwi; Gustian, Arif; Iqbal, Rizky; Chalid, Abdul
TECHNO-SOCIO EKONOMIKA Vol 18 No 1 (2025): Jurnal Techno-Socio Ekonomika - April
Publisher : LPPM Universitas Sangga Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32897/techno.2025.18.1.4018

Abstract

Climate change, driven by rising greenhouse gas emissions, significantly impacts our planet. The construction sector, a major contributor to these emissions, demands a shift towards sustainable building practices. Green infrastructure (GI) offers a promising solution by integrating environmental principles into design and construction. This research investigates the understanding, challenges, and readiness of civil engineering graduates in implementing GI. Utilizing a survey-based approach with master's students at Sangga Buana University, the study analyzed the perceptions of students from different backgrounds: Civil Engineering, Other Engineering, and Non-Engineering. Results indicate that Civil Engineering students demonstrate a higher level of awareness and understanding of GI, influenced by their curriculum's focus on sustainable infrastructure development. However, challenges such as cost constraints and limited managerial support persist. Despite these challenges, civil engineering graduates exhibit a greater readiness to embrace and implement GI concepts.
Co-Authors Ahmad Muhammad Chalid, Abdul Eka Satria, Eka Gustian, Arif Iqbal, Rizky Jainudin, E. Lestari, Santi Dwi Pratiwi, A. Andini Radisya Saepurrahman, Dewa Siregar, Chandra Afriade Windarti ' Zamani, Ahmad Fikri