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Título: | Effects of episodic nutrients enrichments on P-limited planktonic communities: Lake Redon ENEX 2013 experiment |
Autor: | Catalán, Jordi CSIC ORCID; Felip, Marisol; Giménez-Grau, Pau; Zufiaurre, Aitziber; Camarero, Lluís ; Pla-Rabes, Sergi CSIC ORCID | Palabras clave: | Biological sciences Experimental enclosures Seston ENEX experiment Nutrient enrichments Phytoplankton Mountain lakes Coexistence theory Latent microbial diversity Nitrogen additions Perturbation experiments Phosphorus additions Plankton paradox |
Fecha de publicación: | 22-ene-2021 | Editor: | Dryad | Citación: | Catalán, Jordi; Felip, Marisol; Giménez-Grau, Pau; Zufiaurre, Aitziber; Camarero, Lluís; Pla Rabès, Sergi; 2021; Effects of episodic nutrients enrichments on P-limited planktonic communities: Lake Redon ENEX 2013 experiment [Dataset]; Dryad; Version 7; https://doi.org/10.5061/dryad.tx95x69vh | Resumen: | Planktonic communities are naturally subjected to episodic nutrient enrichments that may stress or redress the imbalances in limiting nutrients. Human-enhanced atmospheric nitrogen deposition has caused profound N:P imbalance in many remote oligotrophic lakes in which phosphorus has largely become limiting. These lakes offer an opportunity to investigate the planktonic community response to nutrient fluctuations in P-limited conditions. The ENEX experiment in Lake Redon (Pyrenees), performed during August 2013, aimed to investigate the structural and stoichiometric effects of pulse nutrient additions on P-limited planktonic communities. We performed P (PO43-), and N (NH4+ or NO3-) additions to the summer epilimnetic community of the ultraoligotrophic lake using self-filling ~100 L enclosures and analysed the response to varying P availability, N:P imbalance, and N source. The nutrient additions were gradients within the range of values seasonally found in the lake and other oligotrophic lakes of the Pyrenees, with a further P level typical of mesotrophic lakes to provided non-limiting conditions. | Descripción: | [Methods] Analytical methods are described in the associated publication: Giménez-Grau, P., Felip, M., Zufiaurre, A., Pla-Rabès, S., Camarero, L. & Catalan, J. (2020) Homeostasis and non-linear changes in the stoichiometry of P limited planktonic communities. Ecosphere,11:e03249 [Usage Notes] Initial reference conditions in the lake water column were sampled during three dates. They are reported separately, but they should be amalgamated if used as initial experimental conditions. There are a few missing values across the biogeochemical data. Data from the enclosure water column and the sediment traps are reported in separated files. | Versión del editor: | https://doi.org/10.5061/dryad.tx95x69vh | URI: | http://hdl.handle.net/10261/283270 | DOI: | 10.5061/DRYAD.TX95X69VH | Referencias: | Giménez-Grau, Pau; Felip, Marisol; Zufiaurre, Aitziber; Pla-Rabes, S.; Camarero, Lluís ; Catalán, Jordi. Homeostasis and non-linear shift in the stoichiometry of P-limited planktonic communities. Ecosphere 11(9)https://doi.org/10.1002/ecs2.3249 . http://hdl.handle.net/10261/221110: e03249 (2020). |
Aparece en las colecciones: | (CEAB) Conjuntos de datos (CREAF) Conjuntos de datos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
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Redon_ENEX_2013_biogeochemical_data_200604.csv | 1,92 kB | csv | Visualizar/Abrir | |
Redon_ENEX_2013_Protists_Abundance_cellml_200604.csv | 20,31 kB | csv | Visualizar/Abrir | |
Redon_ENEX_2013_Protists_Biovolume_um3ml_200604.csv | 22,04 kB | csv | Visualizar/Abrir | |
Redon_ENEX_2013_Sediment_trap_seston_200604.csv | 773 B | csv | Visualizar/Abrir | |
README.txt | 8,73 kB | Text | Visualizar/Abrir |
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