﻿This readme.txt file was generated on 2021-01-21 by Jordi Catalan

GENERAL INFORMATION

1. Title of Dataset: Effects of episodic nutrients enrichments on P-limited planktonic communities: Lake Redon ENEX 2013 experiment

2. Author Information
	A. Principal Investigator Contact Information
		Name: Jordi Catalan
		Institution: CREAF and CSIC
		Address: Campus UAB, Edifici C, Bellaterra E-08193, Spain
		Email: j.catalan@creaf.uab.cat

	B. Co-investigator Contact Information
		Name: Marisol Felip
		Institution: Universitat de Barcelona
		Address: Edifici Ramon Margalef, Secció Ecologia, Diagonal 643, E- 08028 Barcelona, Spain
		Email: mfelip@ub.edu

	
3. Date of data collection: 2013, August

4. Geographic location of data collection: Lake Redon, Pyrenees, (42º 38’33” N, 0º 36’ 13” E, 2232 m a.s.l.)

5. Information about funding sources that supported the collection of the data: 

6. Recommended citation for this dataset: 
Catalan, J., Felip, M., Giménez-Grau, P., Zufiaurre, A., Camarero, L. & Pla-Rabés, S. (2021) Effects of episodic nutrients enrichments on P-limited planktonic
 communities - Lake Redon ENEX 2013 experiment. Dataset. Dryad, Dataset, https://doi.org/10.5061/dryad.tx95x69vh




DATA & FILE OVERVIEW

1. File List: 

Dataset_1: Redon_ENEX_2013_biogeochemical_data_200604.csv         - Bieogeochemical data from the ENEX 2013 experiment
Dataset_2: Redon_ENEX_2013_Protists_Abundance_cellml_200604.csv   - Protist abundance from the ENEX 2013 experiment
Dataset_3: Redon_ENEX_2013_Protists_Biovolume_um3ml_200604.csv    - Protist biomass (biovolume) from the ENEX 2013 experiment
Dataset_4: Redon_ENEX_2013_Sediment_trap_seston_200604.csv        - Seston biogeochemical data from the sediment traps of the ENEX 2013 experiment

2. Relationship between files: All files are related by the SampleID variable, which correspond to the experimental treatment




METHODOLOGICAL INFORMATION

1. Description of analythical methods for Datasets 1 and 2 can be found in:

Giménez-Grau, P., Felip, M., Zufiaurre, A., Pla-Rabès, S., Camarero, L. & Catalan, J. (2020) Homeostasis and non-linear shift in the stoichiometry of P-limited planktonic
communities. Ecosphere, 11, e03249. https://doi.org/10.1002/ecs2.3249


2. Description of analythical methods for Datasets 3 and 4 can be found in: 

Zufiaurre, A., Felip, M., Giménez-Grau, P., Pla-Rabès, S., Camarero, L. & Catalan, J. (2021) Episodic nutrient enrichments stabilise protist coexistence in planktonic
 oligotrophic conditions. Journal of Ecology. https://doi.org/10.1111/1365-2745.13591




DATA-SPECIFIC INFORMATION FOR Dataset_1: Redon_ENEX_2013_biogeochemical_data_200604.csv

1. Number of variables/columns: 14

2. First raw includes variable names. Units are included in the name, in brackets 

2. Number of cases, starting at second raw: 24

3. Variable List: 

Date - Sampling data
SampleID - sample code indicating treatment and replicate number
TDP(nM) - total dissolved phosphorus
NH4(µeq/L) - ammonium
NO3(µeq/L) - nitrate
NO2(µeq/L) - nitrite
DOC(µM) - dissolved organic carbon
PP(nM) - particulate (seston) phosphorus
PN(µM) - particulate (seston) nitrogen
PC(µM) - particulate (seston) carbon
BV_Auto(µm3/ml) - biovolume of autotrophic protists
BV_Heter(µm3/ml) - biovolume of heterotrophic protists
DAPIcounts(cells/ml) - number of prokaryote cells counted using 4′,6-diamidino-2-phenylindole staining
Chla(µg/L) - chlorophyll a

4. Missing data codes: No codes, blanks in the matrix




DATA-SPECIFIC INFORMATION FOR Dataset_2: Redon_ENEX_2013_Protists_Abundance_cellml_200604.csv

1. Number of variables/columns: 26

2. First raw includes variable names. 

2. Number of cases, starting at second raw: 151

3. Variable List: 

AUT_HET_CYST	-	Functional category: autotrophic, heterotrophic, cyst
TX_GROUP	-	High taxonomic level
TAXA		-	Low taxonomic level, usually species, some species amalgamated by genus and size
Initial1	-	abundance (cell per mL) in the treatment
Initial2	-	abundance (cell per mL) in the treatment referred in the variable name
Control1	-	abundance (cell per mL) in the treatment referred in the variable name
Control2	-	abundance (cell per mL) in the treatment referred in the variable name
NH++_P		-	abundance (cell per mL) in the treatment referred in the variable name
NO++_P(1)	-	abundance (cell per mL) in the treatment referred in the variable name
NO++_P(2)	-	abundance (cell per mL) in the treatment referred in the variable name
NH+_P(1)	-	abundance (cell per mL) in the treatment referred in the variable name
NH+_P(2)	-	abundance (cell per mL) in the treatment referred in the variable name
NH+_P(3)	-	abundance (cell per mL) in the treatment referred in the variable name
NO+_P(1)	-	abundance (cell per mL) in the treatment referred in the variable name
NO+_P(2)	-	abundance (cell per mL) in the treatment referred in the variable name
NH_P(1)		-	abundance (cell per mL) in the treatment referred in the variable name
NH_P(2)		-	abundance (cell per mL) in the treatment referred in the variable name
NO_P(1)		-	abundance (cell per mL) in the treatment referred in the variable name
NO_P(2)		-	abundance (cell per mL) in the treatment referred in the variable name
NH_P+(1)	-	abundance (cell per mL) in the treatment referred in the variable name
NH_P+(2)	-	abundance (cell per mL) in the treatment referred in the variable name
NO_P+(1)	-	abundance (cell per mL) in the treatment referred in the variable name
NO_P+(2)	-	abundance (cell per mL) in the treatment referred in the variable name
NH_P++(1)	-	abundance (cell per mL) in the treatment referred in the variable name
NH_P++(2)	-	abundance (cell per mL) in the treatment referred in the variable name
NO_P++		-	abundance (cell per mL) in the treatment referred in the variable name

4. Missing data codes: No missing data.




DATA-SPECIFIC INFORMATION FOR Dataset_3: Redon_ENEX_2013_Protists_Biovolume_um3ml_200604.csv

1. Number of variables/columns: 26

2. First raw includes variable names. 

2. Number of cases, starting at second raw: 151

3. Variable List: 

AUT_HET_CYST	-	Functional category: autotrophic, heterotrophic, cyst
TX_GROUP	-	High taxonomic level
TAXA		-	Low taxonomic level, usually species, some species amalgamated by genus and size
Initial1	-	biovolume (um3 per mL) in the treatment referred in the variable name
Initial2	-	biovolume (um3 per mL) in the treatment referred in the variable name
Control1	-	biovolume (um3 per mL) in the treatment referred in the variable name
Control2	-	biovolume (um3 per mL) in the treatment referred in the variable name
NH++_P		-	biovolume (um3 per mL) in the treatment referred in the variable name
NO++_P(1)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NO++_P(2)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NH+_P(1)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NH+_P(2)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NH+_P(3)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NO+_P(1)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NO+_P(2)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NH_P(1)		-	biovolume (um3 per mL) in the treatment referred in the variable name
NH_P(2)		-	biovolume (um3 per mL) in the treatment referred in the variable name
NO_P(1)		-	biovolume (um3 per mL) in the treatment referred in the variable name
NO_P(2)		-	biovolume (um3 per mL) in the treatment referred in the variable name
NH_P+(1)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NH_P+(2)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NO_P+(1)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NO_P+(2)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NH_P++(1)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NH_P++(2)	-	biovolume (um3 per mL) in the treatment referred in the variable name
NO_P++		-	biovolume (um3 per mL) in the treatment referred in the variable name

4. Missing data codes: No missing data.




DATA-SPECIFIC INFORMATION FOR Dataset_4: Redon_ENEX_2013_Sediment_trap_seston_200604.csv

1. Number of variables/columns: 5

2. First raw includes variable names. Units are included in the name, in brackets 

2. Number of cases, starting at second raw: 21

3. Variable List: 

Date;SampleID;PP(µM);PN(µMs);PC(µM)

Date - Sampling data
SampleID - sample code indicating treatment and replicate number
PP(nM) - particulate (seston) phosphorus
PN(µM) - particulate (seston) nitrogen
PC(µM) - particulate (seston) carbon

4. Missing data codes: No missing data
