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Media type:
E-Article
Title:
Using lake sediments to assess the long-term impacts of anthropogenic activity in tropical river deltas
Contributor:
Walton, Richard E;
Moorhouse, Heather L;
Roberts, Lucy R;
Salgado, Jorge;
Ladd, Cai JT;
Do, Nga Thu;
Panizzo, Virginia N;
Van, Pham Dang Tri;
Downes, Nigel K;
Trinh, Duc Anh;
McGowan, Suzanne;
Taylor, Sarah;
Henderson, Andrew CG
Published:
SAGE Publications, 2023
Published in:
The Anthropocene Review (2023)
Language:
English
DOI:
10.1177/20530196231204334
ISSN:
2053-0196;
2053-020X
Origination:
Footnote:
Description:
Tropical river deltas, and the social-ecological systems they sustain, are changing rapidly due to anthropogenic activity and climatic change. Baseline data to inform sustainable management options for resilient deltas is urgently needed and palaeolimnology (reconstructing past conditions from lake or wetland deposits) can provide crucial long-term perspectives needed to identify drivers and rates of change. We review how palaeolimnology can be a valuable tool for resource managers using three current issues facing tropical delta regions: hydrology and sediment supply, salinisation and nutrient pollution. The unique ability of palaeolimnological methods to untangle multiple stressors is also discussed. We demonstrate how palaeolimnology has been used to understand each of these issues, in other aquatic environments, to be incorporated into policy. Palaeolimnology is a key tool to understanding how anthropogenic influences interact with other environmental stressors, providing policymakers and resource managers with a ‘big picture’ view and possible holistic solutions that can be implemented.