WATER MOTION, MARINE MACROALGAL PHYSIOLOGY, AND PRODUCTION

Water motion is a key determinant of marine macroalgal production, influencing directly or indirectly physiological rates and community structure. Our understanding of how marine macroalgae interact with their hydrodynamic environment has increased substantially over the past 20 years, due to the ap...

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Veröffentlicht in:Journal of phycology. - 1966. - 36(2000), 3 vom: 15. Juni, Seite 453-472
1. Verfasser: Hurd, Catriona L (VerfasserIn)
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2000
Zugriff auf das übergeordnete Werk:Journal of phycology
Schlagworte:Journal Article Review biomechanics hydrodynamics macroalgae mass transfer nutrients photosynthesis primary production resource allocation mehr... seawater velocity seaweed turbulence water motion wave-action
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520 |a Water motion is a key determinant of marine macroalgal production, influencing directly or indirectly physiological rates and community structure. Our understanding of how marine macroalgae interact with their hydrodynamic environment has increased substantially over the past 20 years, due to the application of tools such as flow visualization to aquatic vegetation, and in situ measurements of seawater velocity and turbulence. This review considers how the hydrodynamic environment in which macroalgae grow influences their ability to acquire essential resources and how macroalgae might respond physiologically to fluctuations in their hydrodynamic regime with a focus on: (1) the biochemical processes occurring within the diffusion boundary layer (DBL) that might reduce rates of macroalgal production; (2) time scales over which measurements of velocity and DBL processes should be made, discussing the likelihood of in situ mass transfer limitation; (3) if and how macroalgal morphology influences resource acquisition in slow flows; and (4) ecobiomechanics and how hydrodynamic drag might influence resource acquisition and allocation. Finally, the concept that macroalgal production is enhanced in wave-exposed versus sheltered habitats is discussed 
650 4 |a Journal Article 
650 4 |a Review 
650 4 |a biomechanics 
650 4 |a hydrodynamics 
650 4 |a macroalgae 
650 4 |a mass transfer 
650 4 |a nutrients 
650 4 |a photosynthesis 
650 4 |a primary production 
650 4 |a resource allocation 
650 4 |a seawater velocity 
650 4 |a seaweed 
650 4 |a turbulence 
650 4 |a water motion 
650 4 |a wave-action 
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