Year: 2025
Type: article
Abstract: Indonesia's lakes, located across diverse geological and climatic regions, serve as essential freshwater resources while also functioning as sensitive indicators of environmental change. Over time, these lakes accumulate sediments that preserve physical, chemical, and biological evidence of past ecological conditions. Through paleolimnology—the study of lake sediments—these deposits can be examined to reconstruct long-term environmental histories that extend beyond the limits of instrumental records. This study applies paleolimnological methods to selected Indonesian lakes to investigate changes in climate, land use, pollution, trophic status, and biodiversity. By analyzing diatom assemblages, geochemical markers, and sediment stratigraphy, the research identifies historical baselines, ecological transitions, and early warning signals of environmental stress. These findings contribute to understanding how both natural variability and anthropogenic activities have shaped aquatic ecosystems over time. The sediment records reveal that many lakes in Indonesia have undergone significant ecological shifts, particularly in response to intensified land development, agricultural expansion, and urbanization. Such insights are essential for projecting future ecosystem trajectories under accelerating climate change and socio-economic transformation. By placing current lake conditions within a historical framework, the study enhances the ability to evaluate ecosystem resilience and supports the formulation of adaptive, science-based management strategies. Lake sediments offer critical evidence that links past and present, allowing for informed planning to protect freshwater resources. As ecological pressures mount, integrating paleolimnological data into environmental governance can provide robust support for sustainable lake management and long-term climate adaptation strategies in Indonesia.
Author: Tri Retnaningsih Soeprobowati
Institution: Diponegoro University
Language: English
Subfield: Environmental Chemistry
Field: Environmental Science
Domain: Physical Sciences
Open Access status: green
Funder: Universitas Diponegoro
Awards: G2860821547, G7892099336
OpenAlex ID: W7110918260
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