Contrasting temperature chracteristics of Laminaria digitata and Hedophyllum nigripes - C:N-ratio, growth rate, PAM fluorometry, gametogenesis

We investigated effects of temperature on gametophytes and sporophytes of the two morphologically similar kelp species Laminaria digitata and Hedophyllum nigripes co-occurring in the Arctic. We quantified gametogenesis, sporophyte recruitment and growth, optimal quantum yield and carbon and nitrogen...

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Bibliographic Details
Main Authors: Franke, Kiara, Liesner, Daniel, Heesch, Svenja, Bartsch, Inka
Format: Dataset
Language:English
Published: PANGAEA 2021
Subjects:
Arctic kelp
BiodivERsA
Biological sample
BIOS
gametogenesis
Kongsfjorden
Spitsbergen
Arctic
PAM fluorometry
Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas
sporophyte
SPP1158
Antarctic
Antarc*
Kongsfjord*
Sea ice
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.935366
https://doi.org/10.1594/PANGAEA.935366
Description
Summary:We investigated effects of temperature on gametophytes and sporophytes of the two morphologically similar kelp species Laminaria digitata and Hedophyllum nigripes co-occurring in the Arctic. We quantified gametogenesis, sporophyte recruitment and growth, optimal quantum yield and carbon and nitrogen content of sporophytes, as well as survival of both life cycle stages along temperature gradients (0-25°C), using several unialgal strains isolated from the European Arctic in Kongsfjorden, western Spitsbergen.

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