This README_ZackenbergPhenology.txt file was generated on 2020-06-10 by Tuomas Kankaanpää Version 1.0.0 GENERAL INFORMATION 1. Title of Dataset:"Little directional change in the timing of Arctic spring phenology over the past twenty-five years" 2. Author Information A. Principal Investigator Contact Information Name: Niels Martin Schmidt Institution: Department of Ecoscience, Aarhus University Address: Frederiksborgvej 399, 4000, Roskilde Denmark Email: tuomas.kankaanpaa@helsinki.fi B. Associate or Co-investigator Contact Information Name: Tuomas Kankaanpää Institution: Ecology and Genetics Research Unit University of Oulu Address: Pentti Kaiteran katu 1, 90014, Oulu, Finland Email: tuomas.kankaanpaa@oulu.fi C. Alternate Contact Information Name: Tomas Roslin Institution: Department of Ecology Swedish University of Agricultural Sciences Address: Inst för ekologi Box 7044, 75651 Uppsala, Sweden Email: tomas.roslin@slu.fi D. Full author list: Niels Martin Schmidt Tuomas Kankaanpää Mikko Tiusanen Jeroen Reneerkens Tom S.L. Versluijs Lars H. Hansen Jannik Hansen Hannah Sørine Gerlich Toke T. Høye Alyssa R. Cirtwill Mikhail K. Zhemchuzhnikov Pablo Peña-Aguilera Tomas Roslin 3. Date of data collection (DD/MM/YYYY): (03/06/1996 - 26/08/2020) 4. Geographic location of data collection: Mutiple Locations in Zackenberg Greenland (UTM Zone 27): Plant plot UTM E UTM N Cassiope 1 513300 8264809 Cassiope 2 513230 8265290 Cassiope 3 513420 8264746 Cassiope 4 513583 8264358 Dryas 1 513116 8264708 Dryas 2 513330 8264771 Dryas 3 513802 8265062 Dryas 4 513348 8264694 Dryas 5 513317 8264541 Dryas 6 513776 8264161 Papaver 1 513215 8265280 Papaver 2 513729 8264955 Papaver 3 513575 8264353 Papaver 4 513776 8264161 Salix 1 513041 8264643 Salix 2 513237 8264729 Salix 3 513294 8264805 Salix 4 513788 8265058 Salix 5 513729 8264955 Salix 6 513645 8264718 Salix 7 513330 8264771 Saxifraga 1 512867 8264603 Saxifraga 2 512839 8264677 Saxifraga 3 512994 8264433 Silene 1 512867 8264603 Silene 2 512839 8264677 Silene 3 512994 8264433 Silene 4 513409 8264686 Arthropod plot UTM E UTM N Art1 512966 8264532 Art2 513083 8264591 Art3 513320 8264844 Art4 513215 8264941 Art5 513825 8265055 Art6 513545 8264747 Art7 513780 8265100 5. Information about funding sources that supported the collection of the data: Greenland Ecosystem Monitoring provided access to ecosystem data. TR was funded by Academy of Finland (grant no. 322266) Jane and Aatos Erkko Foundation and the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No 856506; ERC-synergy project LIFEPLAN). SHARING/ACCESS INFORMATION 1. Licenses/restrictions placed on the data: This work is licensed under a Attribution 4.0 International (CC BY 4.0) license. You are free to: Share — copy and redistribute the material in any medium or format Adapt — remix, transform, and build upon the material Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. for any purpose, even commercially. 2. Links to publications that cite or use the data: NA 3. Links to other publicly accessible locations of the data: NA 4. Links/relationships to ancillary data sets: Data derived from sources indicated in 5. 5. Was data derived from another source? Yes A. If yes list source(s): Deposited data Raw flowering data for the various plant species: Database for Greenland Ecosystem Monitoring (https://data.g-e-m.dk/) https://doi.org/10.17897/X0MY-K003 https://doi.org/10.17897/JSQ7-6355 https://doi.org/10.17897/NK32-H804 https://doi.org/10.17897/NS7W-JT18 https://doi.org/10.17897/YXH1-ZB25 https://doi.org/10.17897/6GVG-QH42 Raw emergence data for all arthropod taxa: Database for Greenland Ecosystem Monitoring (https://data.g-e-m.dk/) https://doi.org/10.17897/V285-Z265 Raw nest initiation data for all bird species Database for Greenland Ecosystem Monitoring (https://data.g-e-m.dk/) https://doi.org/10.17897/5S51-HE52 Raw air temperature data Database for Greenland Ecosystem Monitoring (https://data.g-e-m.dk/) https://doi.org/10.17897/G5WS-0W04 Raw spring snow cover data Database for Greenland Ecosystem Monitoring (https://data.g-e-m.dk/) https://doi.org/10.17897/M7Y2-TK96 6. Recommended citation for this dataset: Schmidt et al.: Little directional change in the timing of Arctic spring phenology over the past twentyfive years. 2023. Current Biology DATA & FILE OVERVIEW 1. File List: README_Zackenberg_Phenology Extract_DOY_of_ART_events_across_groups_210623.R General_Flowering_Phenology_Event_Script_210623.R Zackenberg_Phenology_Analyses.R Phenology_Arthropods_Zackanberg_1996_2019.csv Phenology_Plants_Zackenberg_1996_2020.csv Phenology_waders_Zackenberg_1995_2021.csv June10thSnowCover.csv Yearly_Temperature_And_Snow_Cover.csv PlotAid.csv 2. Relationship between files if important: The intermediary data files used in the analyses are produced from raw data (available in G.E.M. database) with the two phenology scripts for arthropods and plants respectively. 3. Additional related data collected that was not included in the current data package: NA 4. Are there multiple versions of the dataset? NO METHODOLOGICAL INFORMATION 1. Description of methods used for collection/generation of data: The data used were collected by Greenland Ecostem Monitoring, full descriptions on can be found in BioBasis, GeoBasis and ClimateBasis manuals. https://g-e-m.dk/fileadmin/g-e-m/Zackenberg/BioBasis_manual_2019.pdf https://g-e-m.dk/fileadmin/g-e-m/Zackenberg/GeoBasis_Manual_Comp2019.pdf 2. Methods for processing the data: NA 3. Instrument- or software-specific information needed to interpret the data: NA 4. Standards and calibration information if appropriate: NA 5. Environmental/experimental conditions: Many environmental conditions are available for the whole time series at the Database for Greenland Ecosystem Monitoring (https://data.g-e-m.dk/) 6. Describe any quality-assurance procedures performed on the data: The data has been curated before being made available in G.E.M. database. Further corrections are detailed in the analysis script, mainly handling known reasong for aggregations in mites carried by bumblebees and lycosid spider broods. 7. People involved with sample collection processing analysis and/or submission: Information on people handling the collection and processing is recorded at Greenland Ecosystem Monitoring. DATA-SPECIFIC INFORMATION FOR: [Phenology_Arthropods_Zackanberg_1996_2019.csv] Yearly arthopod phenologies calculated frow raw trap data in Extract_DOY_of_ART_events_across_groups_210623.R 1. Number of variables: 9 2. Number of rows:1774 3. Variable List: Year - Year of sampling Plot - ID of arthropod sampling site Order - Taxonomic name (may not be order, typically family) DOY10emergence - Calculated day of the year for 10% of yearly abundance observed DOY50emergence - Calculated day of the year for 50% of yearly abundance observed Extrp - 1 if DOY50emergece had to be extrapolated (no extrapolation needed in the end) DOY90emergence - Calculated day of the year for 90% of yearly abundance observed TotalSpecimens - Total number of individuals caught in a year TotalCathesPerTotalTrapDays - Total number of individuals caught in a year divided by effort in trap days. [Phenology_Plants_Zackenberg_1996_2020.csv] Yearly plant flowering phenologies calculated frow raw flower count data in General_Flowering_Phenology_Event_Script_210623.R 1. Number of variables: 5 2. Number of rows: 625 3. Variable List: Species - Plant species Plot - Flower counting plot ID Year - Year of sampling DOY_50_flowering - Calculated day for when 50% of the flowers have started blooming MaxOfvanat - The highest number of flowers (incl. buds and senescent flowers) counted in the plot [Phenology_waders_Zackenberg_1995_2021.csv] Yearly mean and median bird clutch initiation dates of birds. 1. Number of variables: 10 2. Number of rows: 80 3. Variable List: Species - Bird species Year - Year of records Mean - Mean clutch initiation day of the year Median - Median clutch initiation day of the year Min - Earliest clutch initiation day of the year Max - Latest clutch initiation day of the year Std - Standard deviation in clutch initiation day of the year N - Number of nests CI_lower - Upper confidence interval for clutch initiation day of the year CI_upper - Lower confidence interval for clutch initiation day of the year [June10thSnowCover.csv] Yearly snow cover % of the central area on June 10th. 1. Number of variables: 2 2. Number of rows: 27 3. Variable List: Year - Year of records Jun10Snow - Snow cover % of the central area on the 10th of June. [Yearly_Temperature_And_Snow_Cover.csv] Yearly early summer temperature sums, June mean teperatures and snow cover % of the central area on June 10th. 1. Number of variables: 4 2. Number of rows: 26 3. Variable List: Year - Year of the records AT200 - Above zero mean daily temperature (at 2m height) sums before day of the year 200. Jun10Snow - Snow cover % of the central area on the 10th of June. (Same as the other file) JuneAT - Mean temperature (at 2m height) during the month of June. [PlotAid.csv] Positional info to make the figure 1 plots look as they should 1. Number of variables: 3 2. Number of rows: 21 3. Variable List: TaxonIndex - Y position HoyeTaxon - Name as in data TaxonName - Name as in plot legend END OF README