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All Journal MEDIA KONSERVASI Barakuda 45
Tri Aji, Muhammad
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education

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Habitat and Food of Vampire Crabs (Geosesarma sp.) in Menoreh Mountain, Yogyakarta, Indonesia Kurniawan, Tito; Waluyo; Nofreeana, Andri; Tri Aji, Muhammad
Media Konservasi Vol. 30 No. 1 (2025): Media Konservasi Vol 30 No 1 January 2025
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.30.1.141

Abstract

Vampire crabs (Geoseserma sp.) are freshwater crabs that inhabit humid tropical forest ecosystems, such as the Menoreh Mountain. These crabs play an important role in the ecosystem as detrivores and a food source for other organisms. However, resesearch on their feeding habitat is still limited, leaving gaps in knowledge regarding their dietary preferences and ecological role. Understanding their feeding patterns is essential to support sustainable aquaculture and environmental conservation. The research focused on the feeding habits and food preferences of vampire crabs (Geosesarma sp.) in a humid, forested ecosystem. The study was conducted in the Menoreh Mountain region, which provides a unique habitat for these crabs. Understanding their feeding habits in this natural habitat is essential for promoting sustainable aquaculture practices, where environmental conservation is a priority. This research aimed to analyze vampire crabs’ food and feeding habits (Geosesarma sp.) in their natural habitat to support sustainable aquaculture on the Menoreh mountain slopes. The study employed frequency of occurrence analysis, volumetric analysis, and the Index of Preponderance. Sex ratio analysis and assessments of habitat conditions, including substrate texture and organic content, were conducted. The substrate consisted of sandy clay with an organic content ranging from 8.59% to 37.88%. Vampire crabs were identified as omnivores with a tendency towards herbivory, primarily consuming debris (93.47%), wood (2.75%), worms (1.92%), and leaves (1.86%). Debris was the main food source, supplemented by wood and leaf litter, with worms as an occasional food source. The findings highlighted the crabs' dietary adaptability and provided insights for future sustainable captive breeding efforts.
Smart Water Quality Monitoring System In Progo River, Magelang Regency, Central Java Waluyo, Waluyo; Sari, Annisa Novita; Tri Aji, Muhammad
Barakuda 45: Jurnal Ilmu Perikanan dan Kelautan Vol 5 No 2 (2023): Edisi November
Publisher : Fakultas Perikanan dan Ilmu Kelautan Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/barakuda45.v5i2.463

Abstract

Traditionally, air quality detection is done manually by means of air samples obtained locally and sent for analysis to a laboratory, which takes a long time, is expensive, and requires human resources. This technique does not provide real-time data. Therefore, there is a need for innovation and new technology that makes it easier to monitor and analyze air quality data in real-time with a microcontroller approach and certain water quality sensor parameters, where the recorded data will be recorded and sent via wireless with the Internet of Things (IoT) approach. Parameter values such as temperature, humidity, water level, turbidity, and pH in general can be properly recorded by each sensor. The goal of this research is to create measuring equipment for aquatic characteristics such as pH, water turbidity, water level, ambient air temperature, and humidity using the Thingspeak website and telegram. System design, programming the ATmega2560-based Arduino Mega microcontroller and ESP8266-based NodeMCU using the Arduino IDE, and constructing and testing equipment on a prototype scale and directly in the field are the methods employed in this research. According to the results of field testing, the water temperature sensor is capable of capturing fluctuating values ranging from 32.4 to 34.1 oC. Meanwhile, the air humidity sensor measured 33.5-35.6% humidity. The ultrasonic sensor records the height of the river water level pretty well, with a value of 28-71 cm. A pH sensor measures the pH of the water and records data in the form of water voltage ranging from 3.34 to 5.38 volts. Based on IoT, the sensor recording results are subsequently sent online and received via the Telegram application.
Co-Authors Andri Nofreeana Kurniawan, Tito Sari, Annisa Novita Waluyo Waluyo Waluyo