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Seaweed nutrient physiology: application of concepts to aquaculture and bioremediation

journal contribution
posted on 2023-05-22, 23:57 authored by Roleda, MY, Catriona HurdCatriona Hurd
Inorganic carbon, nitrogen and phosphorus are the main elements required by seaweeds for photosynthesis and growth. This review focusses mainly on nitrogen, but the roles of carbon and phosphorus, which may interactively affect seaweed physiological processes, are also explored. Fundamental concepts such as limiting nutrients, sources, and ratios, mechanisms of nutrient uptake, nutrient assimilation and storage, patterns of uptake and preferences for different nitrogen sources are discussed. The roles of abiotic (water motion, light, temperature, salinity and desiccation) and biotic (life stages and age class) factors in nutrient (nitrogen, phosphorous, carbon) uptake are also reviewed. Understanding species-specific nitrogen physiologies and nitrogen source preferences will enable polyculture of different seaweed species and the use of seaweeds as biofilters in integrated multitrophic aquaculture systems.

History

Publication title

Phycologia

Volume

58

Issue

5

Pagination

552-562

ISSN

0031-8884

Department/School

Institute for Marine and Antarctic Studies

Publisher

Int Phycological Soc

Place of publication

New Business Office, Po Box 1897, Lawrence, USA, Ks, 66044-8897

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the biological sciences

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