John K. Pearman
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1
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64
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About
John K. Pearman is a leading researcher in marine environmental genomics, with a primary focus on using environmental DNA (eDNA) to assess the ecological impacts of anthropogenic stressors, particularly organic enrichment from aquaculture. His most-cited work, “Comparing sediment DNA extraction methods for assessing organic enrichment associated with marine aquaculture” (2020, 64 citations), is a foundational methodological contribution that systematically evaluates how different DNA extraction protocols influence the detection of benthic biodiversity. By demonstrating that extraction method choice can dramatically alter the inferred community composition—especially for micro- and macro-organisms critical to biogeochemical cycles—Pearman provided a crucial framework for standardizing eDNA-based monitoring. This work bridges traditional macrofaunal assessment with modern molecular tools, enabling more sensitive and high-throughput detection of perturbation gradients. Beyond this, his research advances our understanding of how sedimentary DNA can reveal hidden biodiversity responses to aquaculture, offering a scalable, non-destructive alternative to conventional surveys. Pearman’s contributions are instrumental in shaping best practices for marine biomonitoring, making him a key figure in the integration of molecular ecology into environmental management.
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