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This research aims to evaluate benthic carbon stocks and secondary production in the sub-Antarctic Magellan Region.

June 28, 2026Polar BiologyOpen Access

Benthic carbon processing in the sub-Antarctic Magellan Region: hotspots and coldspots of secondary production

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This research aims to evaluate benthic carbon stocks and secondary production in the sub-Antarctic Magellan Region.
Compiled macrozoobenthic data from 101 stations in sub-Antarctic Chilean Patagonian Fjords and Channels (1994-2010).
Applied artificial neural networks to estimate secondary production based on environmental variables.
Analyzed the impact of depth and total organic matter on production and turnover rates.
Highest community production recorded in Bernardo O’Higgins National Park at approximately 96.96 g C m − ² y − ¹.
P/B ratios peaked at ~6.68 y − ¹ in Gallegos Sound, indicating rapid biomass turnover.
Depth and total organic matter were strong predictors of benthic carbon production patterns.

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Randomized trial assesses secondary production and carbon processing in sub-Antarctic ecosystems, indicating vital ecological roles.

Andrade et al. (2026) studied this question.

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