This repo contains the R code and data for the related manuscript published in Global Change Biology

Written by Katharina Ohler, revised by Verena C. Schreiner and Ralf B. Schäfer

• Data_prep.Rmd: R Markdown document detailing all steps of data preparation

1. biomass_abundance_data: All raw data to calculate biomass and abundance
   1.1 biomass_emergence_93.csv: Raw data for dry mass of emergent aquatic insect families per sample
   1.2 emergence_identification_92.csv: Number of all organisms identified in samples collected with emergence traps
   1.3 emergence_NA_0_92.csv: List of all samples with information on missing samples, identified samples and samples, in which emergence = 0
   1.4 no_trap_days.csv: Sampling days per sample
   1.5 no_trap_days_NA.csv: List with events where traps were destroyed by vandalism or heavy rainfall and, thus, no insects were collected

2. land_use_related_drivers_data: All habitat and physicochemical raw data
   2.1 habitat.csv: Habitat variables
   2.2 phys_chem.csv: Physicochemical land use-related-drivers of emergent aquatic insects

3. pesticide_data: All raw data to calculate pesticide toxicity
   3.1 0_ANA_Substances.txt: CAS number of pesticides
   3.2 3_ANA_ConcentrationTox.csv: Concentration of pesticides in event and grab samples
   3.3 06_Schwebstoffilter GC_LC.csv: Fraction of organic carbon in the samples of suspended particles
   3.4 20191111_KgM_SPM-Extrakte_2018_final_nur_RLP.csv: Concentration of pesticides on suspended particles
   3.5 EC50_version_190326.csv: EC50 values not found in Standartox
   3.6 KGM_freshwater_invertebrate_XX50.rds: EC50 from Standartox 3.7 Samples_forest_2: Concentration of pesticides in grab samples of forested sites

4. trait_data: All trait data
   4.1 generation_time_spear.csv: Raw data of trait generation time of emergent aquatic insects
   4.2 Trait_DB_EU_corrected.rds: Trait size of emergent aquatic insects

• Data_analysis.Rmd: R Markdown document detailing all steps of data analysis

1. HGAM_abundance: All fits of HGAMs for abundance
   1.1 num_position_family_I.RData: Fit of HGAM for family abundance with different group-level trends
   1.2 num_position_family_S.RData: Fit of HGAM for family abundance with similar group-level trends
   1.3 num_position_I.RData: Fit of HGAM for total abundance with different group-level trends
   1.4 num_position_order_I.RData: : Fit of HGAM for order abundance with different group-level trends
   1.5 num_position_order_S.RData: Fit of HGAM for order abundance with similar group-level trends
   1.6 num_position_S.RData: Fit of HGAM for total abundance with similar group-level trends

2. HGAM_biomass: All fits of HGAMs for biomass
   2.1 bio_position_family_I.RData: Fit of HGAM for family biomass different similar group-level trends
   2.2 bio_position_family_S.RData: Fit of HGAM for family biomass with similar group-level trends
   2.3 bio_position_order_I.RData: Fit of HGAM for order biomass different similar group-level trends
   2.4 bio_position_order_I.RData: Fit of HGAM for order biomass different similar group-level trends
   2.5 bio_position_order_S.RData: Fit of HGAM for order biomass with similar group-level trends
   2.6 bio_position_S.RData: Fit of HGAM for total biomass with similar group-level trends

3. stats_biomass_abundance_data: all biomass and abundance data
   3.1 biomass_emergence_family_sample.csv: Biomass and abundance of emergent aquatic insect families per sample
   3.2 biomass_emergence_order_sample.csv: Biomass and abundance of emergent aquatic insect orders per sample
   3.3 biomass_emergence_sample.csv: Biomass and abundance of emergent aquatic insects per sample

4. stats_land_use_related_drivers_data: all land-use-realated drivers
   4.1 data_env_1.csv: Land-use-related drivers of emergent aquatic insects

5. stats_trait_data: All trait data
   5.1 trait_data.csv: Traits generation time and size of emergent aquatic insects
   5.2 trait_data_diff.csv: Difference trait data between forested and agricultural sites