Dispersal and Deposition of Detritus From Kelp Cultivation

• DOI: 10.3389/fmars.2022.840531
• Publication Date: 2022-02-22T07:36:38Z
• Authors: Ole Jacob Broch; Kasper Hancke; Ingrid Helene Ell...
• Keywords: Detritus; Deposition; Kelp forest

A high resolution coastal and ocean hydrodynamic model system was used to investigate the transport deposition patterns of Particulate Organic Matter (POM) from kelp farmed at three locations different properties: a sheltered location, an exposed offshore location. Published values on sinking speeds organic particles were used, spanning several orders magnitude. Recent work quantifying release particulate matter link carbon possible cultivation volumes scenarios, finally this potential for loading floor. The results are presented in terms distribution per unit harvested kelp, estimates compared with natural (background) primary production. According simulation results, may be transported anything few (hundred) meters up hundred km away site, depending rates, time release, depth which settles sea floor likewise depends properties sites. until settlement varied minutes hours. underscore importance constraining dispersal detritus order better understand quantify associated environmental risks posed by loading, seafloor sequestration farming as nature based climate solution.