A seasonal carbon budget for a laminarian population in a Scottish sea-loch

C S Johnston; R. G. Jones; R D Hunt

doi:10.1007/BF02207859

A seasonal carbon budget for a laminarian population in a Scottish sea-loch

C S Johnston, R. G. Jones, R D Hunt

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Abstract

Employing in situ SCUBA methods a seasonal carbon budget has been established for a Laminaria saccharina population in a Scottish sea-loch. Concurrent studies of photosynthesis, secretion rates, reserve fluctuations and frond growth were undertaken. Net annual production is in excess of 120 g C m^-2 yr^-1. Over 13% of gross carbon input is released as extracellular secretions (over 30% in autumn) and 40-50% is lost by distal decay, entering detrital food chains. The large concentrations of laminarin, synthesised in summer months, are nearly all lost in autumn-winter distal tissue loss and therefore not available for early spring growth. © 1977 Biologische Anstalt Helgoland.

Original language	English
Pages (from-to)	527-545
Number of pages	19
Journal	Helgoländer Wissenschaftliche Meeresuntersuchungen
Volume	30
Issue number	1-4
DOIs	https://doi.org/10.1007/BF02207859
Publication status	Published - Aug 1977

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title = "A seasonal carbon budget for a laminarian population in a Scottish sea-loch",

abstract = "Employing in situ SCUBA methods a seasonal carbon budget has been established for a Laminaria saccharina population in a Scottish sea-loch. Concurrent studies of photosynthesis, secretion rates, reserve fluctuations and frond growth were undertaken. Net annual production is in excess of 120 g C m-2 yr-1. Over 13% of gross carbon input is released as extracellular secretions (over 30% in autumn) and 40-50% is lost by distal decay, entering detrital food chains. The large concentrations of laminarin, synthesised in summer months, are nearly all lost in autumn-winter distal tissue loss and therefore not available for early spring growth. {\textcopyright} 1977 Biologische Anstalt Helgoland.",

author = "Johnston, {C S} and Jones, {R. G.} and Hunt, {R D}",

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T1 - A seasonal carbon budget for a laminarian population in a Scottish sea-loch

AU - Johnston, C S

AU - Jones, R. G.

AU - Hunt, R D

PY - 1977/8

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N2 - Employing in situ SCUBA methods a seasonal carbon budget has been established for a Laminaria saccharina population in a Scottish sea-loch. Concurrent studies of photosynthesis, secretion rates, reserve fluctuations and frond growth were undertaken. Net annual production is in excess of 120 g C m-2 yr-1. Over 13% of gross carbon input is released as extracellular secretions (over 30% in autumn) and 40-50% is lost by distal decay, entering detrital food chains. The large concentrations of laminarin, synthesised in summer months, are nearly all lost in autumn-winter distal tissue loss and therefore not available for early spring growth. © 1977 Biologische Anstalt Helgoland.

AB - Employing in situ SCUBA methods a seasonal carbon budget has been established for a Laminaria saccharina population in a Scottish sea-loch. Concurrent studies of photosynthesis, secretion rates, reserve fluctuations and frond growth were undertaken. Net annual production is in excess of 120 g C m-2 yr-1. Over 13% of gross carbon input is released as extracellular secretions (over 30% in autumn) and 40-50% is lost by distal decay, entering detrital food chains. The large concentrations of laminarin, synthesised in summer months, are nearly all lost in autumn-winter distal tissue loss and therefore not available for early spring growth. © 1977 Biologische Anstalt Helgoland.

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M3 - Article

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JO - Helgoländer Wissenschaftliche Meeresuntersuchungen

JF - Helgoländer Wissenschaftliche Meeresuntersuchungen

IS - 1-4

ER -

A seasonal carbon budget for a laminarian population in a Scottish sea-loch

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