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Título

Long photoperiods sustain high pH in Arctic kelp forests Dataset

AutorKrause-Jensen, Dorte; Marbà, Núria ; Sanz-Martín, Marina; Hendriks, Iris E. ; Thyrring, J.; Carstensen, J.; Sejr, M. K.; Duarte, Carlos M.
Palabras claveAcidification
Arctic kelp
Macrophytes
Metabolism
pH
Photoperiod
Photosynthesis
Respiration
Plant-climate interactions
Fecha de publicación21-nov-2016
CitaciónKrause-Jensen, Dorte; Marbà, Núria ; Sanz-Martín, Marina; Hendriks, Iris E. ; Thyrring, J.; Carstensen, J.; Sejr, M. K.; Duarte, Carlos M., 2016, "Long photoperiods sustain high pH in Arctic kelp forests Dataset", DIGITAL.CSIC, http://dx.doi.org/10.20350/digitalCSIC/7392
ResumenThis dataset contains field- and laboratory data of metabolic activity, photosynthetic characteristics and associated effects on water chemistry of Greenland kelp forests. Field data include diurnal variation in pH, pCO2, O2-concentration, light, temperature, and salinity in shallow kelp forests habitats over 10-day periods in the subarctic Kobbefjord (64⁰N, 51⁰W) in late summer 2013 at a photoperiod of 15 h light and in the Arctic Disko Bay (69 °N, 53 °W) during midsummer 2014 at a photoperiod of 24 h light. Field data further include in-situ measurements of photosynthetic activity (relative electron transport rate, rETR) during a diurnal cycle in midsummer in Disko Bay. Laboratory data include time series of seawater pH, CO2 concentration and rates of change of CO2 concentration and photosynthetic activity of arctic vegetation measured during experimental manipulations of photoperiod and CO2 concentration in aquaria at 4 oC. There were three replicated aquaria per CO2 concentration treatment (200 ppm, 400 ppm and 1000 ppm). Each aquarium contained 6 L of artificial seawater and 2.7 – 3.7 gDW of macrophytes (Ascophyllum nodosum, Fucus vesiculosus, Saccharina longicruris, Zostera marina) collected at Nuuk. Methods are described in detail in Krause-Jensen et al. (2016).
DescripciónThe data is displayed in an excel file with spreadsheets representing each of the following data sets: Field kelp loggings Nuuk, Field kelp loggings Disko, Field ETR Disko, Lab time series pH CO2, Lab CO2 End time series, Lab time series consumption CO2, Lab ETR max and Lab time series no macroph. The txt document attached provides a full description of each of them.
URIhttp://hdl.handle.net/10261/140497
DOIhttp://dx.doi.org/10.20350/digitalCSIC/7392
Aparece en las colecciones: (IMEDEA) Conjuntos de datos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
Krause_Jensen_et_al_Dataset_Arctic kelp_final.xlsxDataset3,28 MBMicrosoft Excel XMLVisualizar/Abrir
Dataset_Arctic-Kelp_structure.txtDescription and structure of dataset7,01 kBTextVisualizar/Abrir
readme_Arctic_kelp.txt2,18 kBTextVisualizar/Abrir
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