Matthias Heckel
Matthias Heckel is a biogeochemist at the GEOMAR Helmholtz Centre for Ocean Research in Kiel, Germany. He has been vocal in critiquing Andrew Sweetman's research, arguing that it lacks clear evidence and may have methodological flaws. Heckel's work focuses on understanding oceanic processes and the biogeochemical cycles that sustain marine biodiversity, and he emphasizes the necessity for rigorous scientific validation when exploring new hypotheses in ocean science.
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Matthias Heckel, a biogeochemist at the GEOMAR Helmholtz Centre for Ocean Research in Kiel, Germany, commented that Sweetman did not present clear evidence for his observations and hypotheses.
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