Effects of ocean acidification on different life-cycle stages of the kelp Laminaria hyperborea (Phaeophyceae), link to supplementary data
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| Autores principales: | , , , |
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| Formato: | Dataset Open Access |
| Lenguaje: | en |
| Publicado: |
PANGAEA
2012
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| _version_ | 1867168144586440704 |
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| author | Olischläger, Mark Bartsch, Inka Gutow, Lars Wiencke, Christian |
| author_facet | Olischläger, Mark Bartsch, Inka Gutow, Lars Wiencke, Christian |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Our objective for this study was to evaluate the influence of preindustrial and expected future atmospheric CO2 concentrations (280 µatm and 700 µatm pCO2, respectively) on different life-cycle stages of the kelp Laminaria hyperborea from Helgoland (Germany, North Sea). Zoospore germination, gametogenesis, vegetative growth, sorus formation and photosynthetic performance of vegetative and fertile tissue were examined. The contribution of external carbonic anhydrase (exCA) to C-supply for net-photosynthesis (net-PS) and the Chla- and phlorotannin content were investigated. Female gametogenesis and vegetative growth of sporophytes were significantly enhanced under the expected future pCO2. rETR(max) and net-PS of young vegetative sporophytes tended to increase performance at higher pCO2. The trend towards elevated net-PS vanished after inhibition of exCA. In vegetative sporophytes, phlorotannin content and Chla content were not significantly affected by pCO2. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_819920 |
| institution | PANGAEA |
| language | en |
| publishDate | 2012 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Effects of ocean acidification on different life-cycle stages of the kelp Laminaria hyperborea (Phaeophyceae), link to supplementary data Olischläger, Mark Bartsch, Inka Gutow, Lars Wiencke, Christian AWI_Coast; BIOACID; Biological Impacts of Ocean Acidification; Coastal Ecology @ AWI; German Bight, North Sea; Helgoland__Campaign; Marine Station Helgoland; MULT; Multiple investigations; off_Helgoland Our objective for this study was to evaluate the influence of preindustrial and expected future atmospheric CO2 concentrations (280 µatm and 700 µatm pCO2, respectively) on different life-cycle stages of the kelp Laminaria hyperborea from Helgoland (Germany, North Sea). Zoospore germination, gametogenesis, vegetative growth, sorus formation and photosynthetic performance of vegetative and fertile tissue were examined. The contribution of external carbonic anhydrase (exCA) to C-supply for net-photosynthesis (net-PS) and the Chla- and phlorotannin content were investigated. Female gametogenesis and vegetative growth of sporophytes were significantly enhanced under the expected future pCO2. rETR(max) and net-PS of young vegetative sporophytes tended to increase performance at higher pCO2. The trend towards elevated net-PS vanished after inhibition of exCA. In vegetative sporophytes, phlorotannin content and Chla content were not significantly affected by pCO2. |
| title | Effects of ocean acidification on different life-cycle stages of the kelp Laminaria hyperborea (Phaeophyceae), link to supplementary data |
| topic | AWI_Coast; BIOACID; Biological Impacts of Ocean Acidification; Coastal Ecology @ AWI; German Bight, North Sea; Helgoland__Campaign; Marine Station Helgoland; MULT; Multiple investigations; off_Helgoland |
| url | https://doi.org/10.1594/PANGAEA.819920 |