Abstract
Diatoms of coastal lagoons have been known to be excellent proxies of their environmental changes and are excellent proxies for eco-resilience given their capacities for achieving alternate stable states despite being impacted by extreme events such as floods. Thus, the coastal lagoon diatoms can be major agents of the restoration of the ecosystem statuses from a primary production perspective, slowly leading towards natural restoration of the ecosystem services. The present work illustrates this hypothesis through an example of natural restoration and resilience building of a coastal lagoon ecosystem, Pulicat lagoon in the aftermath of the 2015 South India. The factors contributing to the restorative processes and the mechanism of the building of resilience are illustrated. Further, a discussion based on the findings extends this understanding to the ecological successional events and transformation into diatomite landscapes with an abundance of diatom-rich sediments and diatomaceous earth as futuristic natural resources. The implications of the current study with respect to both the present-day diatom-rich lagoons and the possible futuristic diatomite landscapes are presented.
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Santhanam, H., Farooqui, A. (2023). The Mechanism of Ecosystem Restoration and Resilience of Present-Day Coastal Lagoons by Coastal Diatoms and Their Implications for the Management of Successional Diatomite Landscapes. In: Srivastava, P., Khan, A.S., Verma, J., Dhyani, S. (eds) Insights into the World of Diatoms: From Essentials to Applications. Plant Life and Environment Dynamics. Springer, Singapore. https://doi.org/10.1007/978-981-19-5920-2_17
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