Tri Retnaningsih Soeprobowati

• Professor
• Founder CPalim (Cluster for Paleolimnology) at Diponegoro University

Naturally, the learning process in smart classrooms is greatly impacted by the trend of individual learning, now known as personalized learning. Actually, a number of studies have demonstrated that, in relation to the problem of technological advances, the effectiveness of the anticipated results has not been fully achieved. While there are benefit...

Lake Batur in Bangli Regency, Bali Province is a priority area for ecological quality restoration in Indonesia due to its vulnerability to environmental changes caused by diverse and intensive utilization. Agricultural activities, fisheries, and tourism affect the lake’s water quality, leading to the uncontrolled growth of water weeds such as water...

Learning achievement is undoubtedly impacted by each person's unique learning style. The assessment pattern is less focused due to the intricacy of the current components. In fact, general elements like VARK are thought to create complexity that can impair focus when combined with elements like environmental conditions, teacher effectiveness, and s...

The palm oil industry in Indonesia produces abundant production waste, including solid, liquid, and gas forms. The management of palm oil mill wastewater (POME) is still not optimal. The purpose of this study was to analyze the remediation of palm oil wastewater using a consortium of Chlorella vulgaris and Nannochloropsis oculata. The study analyze...

This study examines how empowering local communities contributes to the planning, utilization, and management of Bhadrika Mangrove Ecotourism Park in Bengkulu City, advancing sustainability and climate resilience. Using a descriptive quantitative approach, 27 household heads from RT 08 Lingkar Barat were surveyed to assess their participation. The...

Yeast biodiversity in mangrove ecosystems is crucial for their health and ecological functions. However, traditional methods often fail to detect yeast species that are difficult to culture or slow growing, leaving a significant portion of this biodiversity undetected. This study explores the use of environmental DNA (eDNA) as an alternative method...

This study comprehensively analyzes U-Net models for semantic segmentation in phytoplankton image recognition, leveraging encoders such as EfficientNet-B5, MobileNetV2, ResNet50, and ResNeXt50 and employing the Adam optimizer. The research highlights the U-Net MobileNetV2 model with optical distortion, which achieves notable test scores with 93.69%...

The coastal area of Pasarbanggi, Rembang has experienced significant coastline changes in the last 30 years. Changes in the stability of coastal ecosystems can be tracked by using bio-indicators whose traces are recorded in sediment. This research was conducted to determine changes in the ecosystem in the Pasarbanggi coastal area and its relationsh...

The land surface of Central Java’s coastal area can decrease due to rising sea levels and/or land subsidence caused by land conversion. Semarang, the capital city of Central Java, has experienced land subsidence of around 3.96 cm/year. Diatoms are unicellular organisms that can be used as bioindicators of environmental change because their cell wal...

Pembangunan Instalansi Pengelolaan Air Limbah (IPAL) Komunal Guyub Rukun Kota Salatiga diharapkan mampu meningkatkan taraf sanitasi layak di kawasan tersebut. Namun, temuan lapangan menunjukkan adanya pembuangan effluent dari pipa outlet menuju Sungai Cengek yang belum mendapat pemantauan kualitas air berdasarkan PP No. 22/2021 Tentang Penyelenggar...

Lake Maninjau, like many surface water bodies worldwide, faces significant water pollution challenges due to extensive aquaculture activities, making it an ideal site to study the impact of fish farming on water quality, which has contributed to eutrophication and declining water quality. This study investigates the physicochemical parameters and p...

Conventionally, identifying phytoplankton species is challenging due to human taxonomical knowledge limitations. Advanced technology can overcome this problem. A novel model that accurately enhances phytoplankton detection and identification classification by combining asymmetric convolution and vision transformers (ACVIT) within the YOLOv8m framew...

Pesisir Morosari terdapat di wilayah Desa Morosari, Kabupaten Demak, Jawa Tengah. Permasalahan yang terjadi di pesisir Morosari ialah banjir rob dan naiknya permukaan air laut yang menyebabkan degradasi. Hal ini dapat merusak ekosistem perairan disekitar mangrove, maka perlu dilakukan biomonitoring guna memperbaiki kualitas perairan dengan mengetah...

The mangrove ecosystem, found along tropical and subtropical coasts, adapts to extreme conditions like rapid tidal changes, high salinity, anthropogenic influences, and anoxic environments. Mangrove sediments host diverse organisms, particularly invertebrates and bacteria, which significantly influence sediment structure and biochemical processes b...

Pendidikan saat ini memang telah mengalami transformasi secara massif, dan dalam perkembangannya mengalami disrupsi yang cukup besar. Tantangan saat ini adalah revolusi industry 4.0, dimana pendidikan dituntut bukan hanya sekedar memberi output pengetahuan, namun juga harus memberikan dampak kepada masyarakat itu sendiri. Belajar tidak mengenal usi...

Purpose: Water is an important fundamental resource to support human, animal and plant life. Global reports highlight widespread contamination of water sources due to various human activities. The high level of anthropogenic activity in the Lake Maninjau area, both in agriculture, animal husbandry and settlements, has an impact on decreasing the qu...

Mangroves are an important coastal ecosystem in the global cycle of carbon and climate change mitigation. Unfortunately, a significant loss of mangrove forests has significantly increased carbon emissions over recent years. This research aims to measure the carbon stocks and potential carbon storage of the Tuntang Estuary mangrove forest. Sixteen q...

Tahura Lati Petangis is post-mining forest park area. Tahura Lati Petangis has been through the stages of reclamation and post-mining lake has been formed. Monitoring activities are needed to determine the success of post-mining management. This research aims to evaluate the post-mining lake of water quality in Tahura Lati Petangis based on the Pol...

Pujiwinarko A, Soeprobowati TR, Kismartini. 2024. Land management and factors influencing agroforestry adoption on potato farmlands in the Dieng Plateau, Indonesia. Biodiversitas 25: 2623-2641. The Dieng area in Indonesia has long experienced agricultural land degradation, and intensive potato monoculture farming is one of the leading causes. Veget...

This study examines the factors influencing students’ online learning using Microsoft Teams at the PLN Institute of Technology. Using primary data from 301 students, the study found that the use of Microsoft Teams improved student achievement and learning performance during the pandemic. The structural equation model (SEM) method tested the model w...

PT Pertamina Patra Niaga Integrated Terminal Panjang mendistribusikan BBM sebesar 2.243.016,58 kiloliter (KL) pada tahun 2022. Dari proses distribusi BBM berpotensi menimbulkan dampak lingkungan yaitu dampak pencemaran udara dimana proses distribusi BBM banyak memakai transportasi berbahan bakar fossil. Penelitian ini bertujuan menganalisis dampak...

Due to its severe ecological effects worldwide, heavy metals pollution is a serious issue. Even at low levels in the environment, heavy metals bioaccumulate in food chains will have an adverse effect on all life forms that can not be reserved and when present in water with an excess number, are a key risk for aquatic life. Environmentally friendly...

Climate change-induced alteration of ecosystem conditions can enable the spread of invasive plant species through both range expansion and the creation of habitats and conditions suitable for newly introduced exotic species. This research tries to evaluate the effect of climate change on ‘Eichhornia crassipes’ intensification in Lake Tana Sub-Basin...

As the target species of fishermen in Lake Batur, tilapia (Oreochromis niloticus) population has declined, threatening the economic loss of the fisheries community. Furthermore, Midas cichlid (Amphilophus citrinellus), which has low economic value, has also dominated the fisher's catch in Lake Batur, reducing the catch of the target species. Stock...

Editorial Estuarine ecosystems, situated at the confluence of freshwater rivers and the saline expanse of the sea, embody a unique and dynamic interface between terrestrial and marine realms (Figure 1). These ecosystems are not only teeming with diverse flora and fauna but also serve as vital contributors to the overall health of our planet. Estuar...

The estuary, downstream of the river, accumulates pollutants from upstream and marine. Tuntang is one of the major rivers in Central Java, 139 km length from Rawapening Lake, and ends in the Java Sea. Mangroves are the dominant riparian vegetation in the downstream and estuary of the Tuntang River. This research analyzes the water quality and pollu...

The smart campus is a phenomenon that occurs in the industrial era 4.0. Many people understand that a smart campus is a campus where all resources can work and produce learning with a high level of effectiveness and maximum efficiency. Everyone talks about elements of information technology that play a role in the sustainability of smart campuses....

Invasive plant species can disrupt recovery pathways by altering species interactions and ecosystem structure and functioning. The species compositional changes induced by Lantana invasion are primarily driven by gradual changes in species density. This research tries to analyze the effect of Lantana camara invasion of density, dominance, important...

Numerous pollutants, including organic and toxic pollutants, are currently reaching the sea and land from various sources, including sewage sludge, municipal, industrial, agricultural, and landfill leachate. Heavy metal pollution is the single most pressing environmental issue because metals are so toxic to plants and animals. Additionally, they ma...

Most of the Dieng Plateau area in Central Java, Indonesia, is a stretch of agricultural land in the upper watershed whose sustainability is threatened. The degradation of agricultural land, which affects the surrounding area and the area beneath it, is an old problem that still needs to be resolved. Agroforestry has been promoted as a sustainable l...

The purpose of this research is to review and analyze the relationship between land use and water quality. The research method used is remote sensing image interpretation method, survey method, and spatial based descriptive analysis. The results of land use research included settlements, forests, rice fields, water bodies and shrubs in 1992, 2002,...

Lutan Lake in Palangkaraya is one of the most important oxbow lakes for the people of Palangka Raya. The many water resources with high economic value in Lutan Lake require sustainable management to maintain their quality. One of the indicators for determining lake water quality is the analysis of bio-indicators and water’s physical and chemical qu...

Takarina ND, Soeprobowati TR, Komala PS, Subehi L, Wojewódka-Przyby? M, Nurdin D. 2023. Shell size distributions, land use, and water quality relationships of a freshwater apple snail Pomacea canaliculata (Lamarck, 1822) in Maninjau Lake, West Sumatra, Indonesia. Biodiversitas 24: 5478-5484. The freshwater apple snail, Pomacea canaliculata (Lamarck...

Telaga Pengilon merupakan satu dari sejumlah telaga yang ada di Dataran Tinggi Dieng. Alih fungsi lahan , menjadi acaman serius bagi kelestarian Kawasan Dieng, termasuk keberadaan Telaga yang banyak dijumpai di Dieng. Vegetasi riparian Telaga berperan penting dalam menjaga keberadaan dan kualitas perairan telaga. Penelitian ini bertujuan mengkaji s...

Perairan Bedono merupakan kawasan pesisir yang terdapat banyak hutan mangrove. Hutan mangrove memiliki banyak fungsi yaitu contohnya sebagai tempat pemijahan (spawning ground), asuhan (nursery ground), mencari makan (feeding ground) dan merupakan tempat habitat dari biota air, akan tetapi ekosistem mangrove di Desa Bedono mengalami degradasi yang d...

Wilayah perairan Bedono merupakan wilayah pesisir yang terdapat hutan mangrove yang berperan penting dalam keberlangsungan ekosistem pesisir lainnya. Ekosistem mangrove di Desa Bedono telah mengalami degradasi yang disebabkan oleh banjir rob, abrasi dan pembangunan pelabuhan Semarang, hal ini dapat merusak keanekaragaman hayati di sekitar perairan...

Mangrove ecosystem has an important role in reducing carbon in the environment. There has been massive conversion of mangrove area into ponds and buildings in the current period. Therefore, the species diversity and carbon sequestration capacity of the mangrove ecosystem must be evaluated to monitor its function. This research aims to evaluate the...

In recent years, the water quality of Lake Maninjau, Agam Regency has decreased significantly along with the uncontrolled growth of fish cages. This study aims to determine the water quality index of Lake Maninjau, Indonesia, with extensive fish cages and analyse spatio-temporal distribution of the water quality of the lake. The secondary data (201...

Remediation of microalgae from leachate is less explored because of its very high level of pollutants such as ammonia-nitrogen, heavy metals, inorganic salts, and organic chlorinated. Moreover, leachate poisons many organisms. This study aimed to determine the phytoplankton species in the leachate pond Jatibarang landfill, Central Java, Indonesia,...

Lake is a body of water surrounded by land that has an important role in human life. Galela Lake, as one of the largest freshwater sources in North Maluku, faces the threat of anthropogenic activities that impair the function of the lake ecosystem. Diatoms are used as one of the paleolimnological approaches to reconstructing environmental condition...

Water quality is one of the challenges related to human activities, which in such part, reduces ecosystem services. Ecosystem services are the contribution of ecosystems to human beings. Ecosystem services of most aquatic ecosystems in Indonesia are water provisioning, fisheries, irrigation, recreation, hydroelectricity power, flood protection, ero...

The Tuntang estuary is located in the coastal area of the Demak Regency, which has a considerable mangrove ecosystem potential. However, their persistence is degraded due to land conversion, deforestation, and climate change. Hence, to provide the basis for mangrove conservation in that area, it is essential to gain insight into the mangroves’ comp...

Tuntang River downstream, located in the Demak Regency, Central Java, frequently experiences floods caused by sedimentation, which has occurred continuously since 1970. Changes in land use resulted in ample surface runoff water. The phenomenon affects society’s activities around the Tuntang River downstream which can hinder their activities. The st...

Mangrove community have an essential role in coastal areas because they provide various ecosystem services, including ecological, economic, and social benefit that can support local communities' livelihoods. However, most mangroves are threatened due to deforestation, land use change, and climate change. Tambakbulusan is one of the villages on the...

Most of the cities of Bengkulu are coastal areas (71.87%) under substantial pressure due to infrastructure development. This condition has affected the mangrove ecosystem and ecological degradation and has induced abrasion. In this study, we aimed to analyze the existing conditions of the mangrove ecosystems in the city of Bengkulu, particularly th...

This study investigates trends in deep learning research on microscopic images to identify and classify plankton. We performed a bibliometric analysis using VOSviewer to display the visualizations. The first step is to extract the relevant journals from the Scopus database. Extraction from relevant journals found 42 articles, including 21 journals...

Diatoms, silicious microalgae, have been used successfully as bioindicators of water quality assessment in aquatic ecosystems. Diatoms have a degree of tolerance to the water quality and some diatoms are a good indicator for several water quality variables. Diatom indices have been developed to assess river water quality, mostly in Europe. This stu...

ABSTRAKSuplemen unsur hara pada tanah untuk memperbaiki kualitas lahan dapat dilakukan dengan pemupukan baik organik maupun anorganik yang tidak terlepas dari bahan cemaran logam berat di dalamnya. Penelitian bertujuan untuk mengkaji kontaminan logam berat Pb, Cd, dan Cu pada tanah dan gabah serta produktivitas padi dari berbagai pemupukan. Penelit...

Rawapening is one of Indonesia's national priority lakes, which is experiencing environmental damage and urgently needs rehabilitation. The decline in water quality is caused by sedimentation and organic and inorganic waste that triggers eutrophication. Rehabilitation of Lake Rawapening is important to improve the health of freshwater resources. Th...

Lake Lutan is one of the hundreds of oxbow lakes in Central Kalimantan, located within the meander belt of the main river, the Kahayan River. The phytoplankton communities in the Lutan Lake can be classified into a variety of functional groups subject to temporal and spatial changes. The phytoplankton diversity index was investigated to test the di...

Jatibarang Reservoir is a reservoir built on the Kreo River ± 10 km upstream of the confluence with the Kali Garang river, Changes in water quality conditions due to tourism activities in the Jatibarang reservoir will cause changes in the ecosystem and composition of the plankton community. This study aims to examine the structure of the plankton c...

The diversity of species in the mangrove ecosystem can be threatened if there is no database on what and how much content is in it. The research conducted in the mangrove ecosystem of Karimunjawa National Park has the objective of assessing species diversity and calculating the estimated carbon sequestration from stands and sediments. Inventory of...

The fast-growing development and industrialization have caused various impacts on nature including heavy metal pollution, especially in the coastal area. Tambakredjo, located in the North Semarang city, is home to a large number of mangrove and animal species. Therefore, water quality is important. This study was conducted to analyze water quality...

Microalgae are protists with eukaryotic cell structures which can be found in aquatic ecosystems such as rivers, lakes, reservoirs, ponds, and oceans. The protist culture method can be considered as a technique to allow protists to grow in a certain controlled environment. The objective of this study was to determine the growth of microalgae in the...

The community’s need for conditions that are safe from disasters is the basis for the problems of the system to be created. The system that will be created is able to detect the meaning of words from Whatsapp data obtained from the public. The data used is Whatsapp social media data, systematics of data processing starts from pre-processing and end...

Galela Lake is the largest lake in the Halmahera Utara Regency, North Maluku Province, Indonesia, and is used for domestic water supply, irrigation, aquaculture, and tourism. However, its catchment has been cleared and developed for intensive agriculture. Therefore, there is a need to examine the land-use changes impacting the riparian vegetation o...

Pasarbanggi Rembang memiliki ekosistem mangrove yang relative stabil sebagai hasil penghijauan yang telah dilakukan sejak 50 tahun lalu. Fungsi utama mangrove sebagai penahan abrasi dan penahan gelomang laut telah berkembang dengan baik sehingga Desa Pasarbanggi terlindung dari gerusan air laut.Tingginya kesadaran masyarakat dalam konservasi mangro...

Warna and Pengilon Lakes are very close to each other and connected with the sill, a famous tourist destination in the Dieng Plateau Java. Land-use changes are the main problem that affected the lakes. The conversion of forest into an agricultural area had induced erosion and increased the volume of nutrients discharged to the lake due to high use...

Pertumbuhan mikroalga Botryococcus braunii Kutzing dipengaruhi oleh faktor lingkungan berupa salinitas, suhu, pH, oksigen terlarut (DO), intensitas cahaya dan nutrisi pada media kultivasi. Penelitian ini bertujuan untuk mengkaji pengaruh salinitas dan limbah cair tahu terhadap pertumbuhan mikroalga B. braunii. Perlakuan yang dilakukan dalam penelit...

Damayanti I, Nurbambang A, Soeprobowati TR. 2021. Plant diversity of Petungkriyono Forest of Dieng Plateau, Central Java, Indonesia. Biodiversitas 22: 3497-3507. Petungkriyono is one of the remaining forests considered as the key biodiversity site in Central Java, Indonesia. The study aimed to analyze the composition, structure, and diversity of fl...

Diatoms have been used as a bioindicator of water quality since 1990s. Digestion methods are a fundamental process prior to paleolimnological analysis with the aim to remove organic material from diatom cells which makes it easier for the identification process. This research objective was to evaluate different methods for digestion diatoms that su...

The aim of this study was to determine the dominance and species diversity of oligochaeta were studied incopper and cadmium polluted soil. This location is used for the garbage disposal of Jatibarang Landfill Semarang City residents, Central Java. Oligochaeta were collected from 5 research sites. The research method used is field experiment. Oligoc...

Feed is a major factor in determining the success of aquaculture business. The quality and quantity of feeding properly will maximize the growth of fish. Various research and application of technology has been made to obtain alternative feed source so as to reduce the level of dependence on the food production industry. The eutrophication condition...

Paleolimnology had increased sharply as an approach for lake management, but most of the paleontological studies have been carried out in temperate and high-latitude regions. 40% of lakes lie within tropical areas, which represent 32% of surface global water bodies. Paleolimnology is a study of the physical, chemical, and biological features of the...

Diatom biodiversity is an increasing concern due to growing human impact, the study was carried out in one of the most important water storage reservoirs of Tembalang Region. The anthropogenic activity influence of diatom diversity in the UNDIP Reservoir. The reservoir of Universitas Diponegoro (UNDIP) Semarang was an area of 1.24 km2, with the dee...

Rawapening Lake is one of Indonesia's national priority lakes that is experiencing environmental problems which are urgently required to be solved due to its functions. The decline in the environmental quality of Rawapening Lake includes sedimentation, water pollution and excess of nutrients, especially Phosphorus (P) and Nitrogen (N) into the lake...

High sedimentation and the entry of organik and inorganik pollutants, especially P and N, have led to the eutrophication of Rawapening Lake waters. These conditions triggered an uncontrolled booming of water hyacinth aquatic weed (Eichhornia crassipes (Mart.) Solms). The presence of water hyacinth triggers a significant loss of water compared to lo...

Tropical aquatic resources provide ecosystem services, which are affected by human activities. Human-induced environmental change in Indonesian lakes has considerably increased since the new order in 1970. In general, many Indonesian lakes had deteriorated due to sedimentation and eutrophication, which induced the blooming of aquatic plants, mostly...

The Petungkriyono forest covers 53.88 km ² at Pekalongan Regency with 54.6% composition of mixed forest (29.43 km ² ). This study aimed to estimate above-ground biomass and carbon stocks from five villages; Tlogopakis, Tlogohendro, Kayupuring, Yosorejo and Kasimpar. Non-destructive samples of 30 plots were conducted by designing plots with 0.04 ha...

This study examines the spatiotemporal variations in diatom assemblages and selected metal concentrations (Pb, Cr, Cd, Al, and Zn) in bed sediments of lakes Telaga Pengilon and Telaga Warna in Dieng, Indonesia to document natural and/or anthropogenic changes in the local aquatic and terrestrial environment. The analyses focused on sediments collect...

Gatal Lake is located in the Kotawaringin Lama District, West Kotawaringin Regency, Central Kalimantan, Indonesia. The government and the surrounding communities use Gatal Lake for recreation, irrigation, livestock, and fisheries. Geographically, Gatal Lake, is close to oil palm plantations and palm oil processing factories that contributed to wate...