Zhemchuzhnikov_Ibis_2022a.R -------------------------------------------------------------- 1st Script used for the data analysis and visualisation (by M.Zhemchuzhnikov) ______________________________________________________________ Zhemchuzhnikov_Ibis_2022b.R -------------------------------------------------------------- 2nd Script used for the data analysis and visualisation (by M.Soloviev and M.Zhemchuzhnikov) ______________________________________________________________ XYZ.csv -------------------------------------------------------------- File contains the data on the spatial distribution of lemmings, skuas and shorebirds animal - lemming, skua, little stint (LS) or red knot (RK) sp - species: Lemmus sibiricus, Dicrostonyx torquatus, pomarine skua (SPM), long-tailed skua (STE), arctic skua (STP), little stint (LS) or red knot (RK) ID - observation identification number N - number of animals observed stage - for birds only, either nest or brood year - year of observation: 18 (2018) or 19 (2019) X - X coordinate in UTM Y - Y coordinate in UTM Z - elevation, m a.s.l. Z_cat - elevation category ______________________________________________________________ landscape.csv -------------------------------------------------------------- File describes the ratio between different elevations in the study area elevation - elevation category pixels - coverage of each cathegory, as indicated by ImageJ software part - relative coverage of the study area with a certain elevation category ______________________________________________________________ Ivlev_calculation.csv -------------------------------------------------------------- File describes the elevational preference scores for the animals in the study area type - landscape, Lemming (all lemming spp. combined), skua (all skua spp. combined), LS_nest (little stint nest), LS_ brood (little stint brood), RK_nest (red knot nest) or RK_brood (red knot brood) elevation - elevation category year - year of observation pixels - number of pixels calculated for landscape or number of animals observed part - number of animals/broods/nests observed at a certain elevation related to the total number observed for each year expected - expected relative number which should be observed in case the preference score is 0 Ivlev_index - (observed value - expected value)/((observed value + expected value) ______________________________________________________________ Tip_and_Chi_n.csv -------------------------------------------------------------- File describes the data on the Tipulidae and Chironomidae caught in the pitfall traps set - type of the trap: grid, daily or transect station_no - number of the station year - year of observation n - number of animals caught n_sampling_days - total number of sampling days for the trap n+1/n_sampling_days - number of animals caught per trap per day + 1 (to correct for zero inflation) elevation - the elevation of the trap, m a.s.l. family - Tipulidae or Chironomidae ______________________________________________________________ diet.csv -------------------------------------------------------------- File describes the data on the contribution of Tipulidae, Chironomidae or other arthropod families to the diet of the shorebird chick family - Tipulidae or Chironomida percentage - average relative biomass in the faeces bird - chicks of little stint (LS) or red knot (RK) ______________________________________________________________ faeces_data.csv -------------------------------------------------------------- File describes the data on the contribution of Tipulidae, Chironomidae or other arthropod families to the diet of the shorebird chick year - year of observation brood - brood id sp - chicks of little stint (LS) or red knot (RK) year_day - day of the year when a sample was collected elevation - elavation, m a.s.l. reads - relative number of reads after sequencing (a correlate for the relative biomass consumed) family - arthropod family ______________________________________________________________ lemmings_per_day.csv -------------------------------------------------------------- File contains the data on the lemmings presence in 2018 and 2019 day - summer day (1 is the 1st of June) year - year of observation n - number of animals observed ______________________________________________________________ for_correlation.csv -------------------------------------------------------------- File contains the data on the correlation of preference score between animals in the study area elevation - elevation category year - year of observation Lemming - preference score of lemmings Squa - preference score of skuas (nests) LS_nest - preference score of little stints (nests) RK_nest - preference score of red knots (nests) ______________________________________________________________ Taymir_reserve_map_vs_ArcDEM_accuracy.csv -------------------------------------------------------------- File contains the data on the correlation between elevations of topographic map from Taymir reserve web site and elevations of digital elevation map. point_id - number of the measurement X - X coordinate in UTM Y - Y coordinate in UTM Z - elevation, m a.s.l. Z_cat_ArcDEM - elevation category based on digital elevation map Z_cat_map - elevation category based on topographic map ______________________________________________________________ LSvsRK.txt -------------------------------------------------------------- File contains the data on nests of red knots and little stints Nest - Year - Sp - grpnum - FirstFound - LastPresent - LastChecked - Fate - ElevMEAN - Elev60 Nest - nest id Year - year of observation Sp - bird species: CAN - red knot, MIN - little stint grpnum - number of observations FirstFound - date, when the nest was found LastPresent - date, when the nest was seen the last time LastChecked - date, when the nest was checked last Fate - predated (1) or hatched (0) ElevMEAN - elevation, m a.s.l. Elev60 - nest is located above 60 m (more60) or below 60 m (less60) ______________________________________________________________ Real_Function_Parameters_of_the_best_survival_model.csv -------------------------------------------------------------- File contains the summary of the best survival model which was used for visualisation sp -species: RK - red knot, LS - little stint Year - year of observation estimate - value from the model type - estimate, lower or upper 95% CI