Rizki Kurnia Tohir

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• P.hd Candidate in Tropical Biodiversity Conservation
• Lecturer at Sumatera Institute of Technology

The utilization of geothermal energy as a means to reduce carbon emissions resulting from the use of fossil fuels in power plants has negative environmental impacts. The existence of infrastructure development and centralization activities at the Ulu Belu geothermal power plant has led to landscape changes that impact the capacity of ecological nic...

Hasibuan MM, Tohir RK, Munawaroh K, Maryanto I, Maharadatunkamsi, Lubis AM, Rahmandani F, Irhamuddin, Sujadi, Gunarto E, Rafsanjani YH. 2025. Current status of long-tailed macaque (Macaca fascicularis) on small islands in the Southern Sumatra, Indonesia. Biodiversitas 26: 971-980. The global population status of the Long-Tailed Macaque (LTM/Macaca...

Pramatana F, Hasibuan MM, Tohir RK, Tae CE, Fathurohman F, Maryanto I, Wiantoro S, Supriatna N, Arsa IGBA, Rammang N, Marawali A. 2025. Bat species on Timor Island, Indonesia. Biodiversitas 26: 564-571. Timor Island, East Nusa Tenggara Province, Indonesia, is one of the Lesser Sunda regions with unique biodiversity. Updating information as a databa...

Globally, amphibian populations are facing a substantial decline attributed to environmental degradation and lack of public attention. Indonesia, which one of countries with the high number of amphibian species in the world, paradoxically holds the record for the highest number of data-deficient amphibians. Indonesia currently has only one protecte...

Indonesia known for its high biodiversity, is home to various species of wildlife, with 17% of the world's wild animals found in its territory. However, this wealth makes Indonesia one of the major suppliers of both legal and illegal wildlife trade, which threatens conservation efforts. This study aims to identify the potential of wildlife trade, h...

The study's objective is to assess the value of measurements made using a spectroradiometer and sentinel-2A image reflectance. This study uses Sentinel-2A imagery to produce reflectance valuesby processing them on the Google Earth Engine. Data collection was carried out in this study, there were 24 sample points spread across parts of the east coas...

Fitriana YS, Sulistyadi E, Tohir RK, Hasibuan MM, Rifaie F, Maryanto I, Lubis AM, Rifqi MF. 2024. Population study of long-tailed macaque (Macaca fascicularis) on Deli Island, Banten, Indonesia. Biodiversitas 25: 144-150. Understanding the distribution and population dynamics of primate species is essential for practical conservation efforts. Howev...

Human activities such as population growth, agricultural practices, resource extraction, and urbanization have reduced the functional and structural complexity of ecosystems in small island regions. Landscape changes, including deforestation and habitat fragmentation, have diminished available habitats and increased interactions between primates an...

Ranggawulung urban forest as one of the remaining vegetated sites in Subang city has the potential to be a strategic location for biodiversity that needs to be managed sustainably. Biodiversity studies in Rangawulung urban forest need to be conducted periodically to assess and control the impact of urban development. This study was conducted to ass...

Ranggawulung urban forest is one of the remaining vegetated sites in Subang. That place needs to be managed sustainably because of its potential to be a strategic location for biodiversity. Biodiversity studies in Rangawulung urban forest need to be conducted periodically to assess and control the impact of urban development. This study was underta...

Ranggawulung City Forest is a Green Open Space (RTH) located in Subang City. As one of the remaining forests in the middle of an urban area, this urban forest has great potential as a location for biodiversity management. This research was conducted to determine the value of biodiversity, especially herpetofauna in Ranggawulung City Forest, Subang...

Mangrove ecosystem monitoring aims to provide information on a regular basis to be used as a reference in sustainable management activities in an effort to maintain the functions and services of the mangrove ecosystem. Mangroves have a very high level of threat to exploitation, namely logging and land conversion which can cause increasingly damaged...

Ekosistem mangrove merupakan ekosistem peralihan antara darat dan laut yang memiliki potensi, peran dan fungsi sangat besar dalam kehidupan. Untuk memperoleh informasi keberadaan hutan mangrove yang terbaru dapat diperoleh melalui data penginderaan jauh. Pemanfaatan teknologi penginderaan jauh sangat efisien karena data yang mudah diperoleh dan har...

Land-use change from a rubber plantation into the ITERA campus area causes an ecological transition. The components of ecology affected are vegetation and wildlife (bird). Geographic information systems can be used to assess the condition of vegetation and its relation to the ecological component. This study analyses bird diversity, vegetation cond...

The East Coast of Lampung Province has extraordinary potential, unique potential such as visual appeal. In addition, the coast also has the potential as a residential area, fishery cultivation, ponds, agriculture, ports, tourism and so on. However, behind its potential, the East Coast region of Lampung Province, especially the coastal area, is pron...

Land use change of rubber plantation into ITERA campus area has led to changes in the ecology of the area. Amphibians and reptiles, referred as Herpetofauna, are categorized as wild animals that are sensitive to environmental changes and are considered as bio-indicators. Wild conservation activities including herpetofauna is an essential part to th...

Lampung Province has the threat of Forest and Land Fires (FLF) based on incident reports. There is a lack of data on how the threat level of the forest and land fires, so this research is important to do. This study aims to analyze the track record and potential for FLF incidents, to analyze the characteristics and level of the FLF threat. Threat m...

ITERA was established in 2014 and caused a landscape conversion from a rubber plantation into a construction area. Changes in a landscape usually affect wildlife biodiversity such as mammals and birds. The objective of this research is to identify and to determine the diversity, distribution, and feeding guilds of mammal and bird species. A survey...

Flying Squad (FS) WWF is a human-elephant conflict mitigation program that has been operated for 13 years. This program operates in Tesso Nilo National Park (TNNP) at high conflict density. The management of FS captive elephant is performed by grazing in TNNP forest area. The existence of grazing activities, the operational time and the threat of d...

Flying Squad (FS) Lubuk Kembang Bunga merupakan program mitigasi konflik antara manusia dan gajah yang telah beroperasional selama 13 tahun di dalam kawasan Taman Nasional Tesso Nilo (TNTN), Riau. Penggunaan kawasan TNTN yang telah lama sebagai areal penggembalaan tentunya akan memengaruhi kemampuan kawasan untuk memenuhi kebutuhan gajah, oleh kare...

Conflict between human and elephants in Tesso Nilo National Park encourages WWF to establish the Flying Squad. Related to the function of the sumatran elephants in Flying Squad as the patrol team, it is necessary to conduct a proper management to ensure animal welfare. This study aims to examine the aspects of welfare management and asses the level...

Conflict between human and elephants in Tesso Nilo National Park encourages WWF to establish the Flying Squad. Related to the function of the sumatran elephants in Flying Squad as the patrol team, it is necessary to conduct a proper management to ensure animal welfare. This study aims to examine the aspects of welfare management and asses the level...

Manusela National Park (MNP) on the island of Seram, southern Maluku, Indonesia biodiversity but there is still a paucity of data its birds diversity. This study aimed to increaseour knowledge of the birds diversity and its importance in MNP. The data was collected by dividing MNP region into two areas, South and North. We surveyed the birds using...