Data from: Climate‑driven intraspecific shifts in seed germination phenology: Consequences for native temperate woodland restoration and regeneration

This repository contains the data for the analyses and modelling reported in:
Dayrell RLC, Seal CE, White K, Fouce Hernandez E, Gómez Barreiro P, Oliver L, Donaldson A, Chapman T, Mattana E. (2026) Climate‑driven intraspecific shifts in seed germination phenology: Consequences for native temperate woodland restoration and regeneration. Plants, People, Planet.

Dataset description
The datasets contain seed germination and seed mass data for three native UK tree species (Alnus glutinosa, Betula pubescens, and Pinus sylvestris) collected from six populations per species representing environmental gradients across the UK.
Files included:
serial_number_info.csv — Metadata on the seed collections tested, including population and provenance information.germination_timetoevent_Alnus_glutinosa.csv — Time-to-event germination data for Alnus glutinosa.germination_timetoevent_Betula_pubescens.csv — Time-to-event germination data for Betula pubescens.germination_timetoevent_Pinus_sylvestris.csv — Time-to-event germination data for Pinus sylvestris.Germination_summary_Alnus_glutinosa.csv — Germination summary and cut test results for Alnus glutinosa.Germination_summary_Betula_pubescens.csv — Germination summary and cut test results for Betula pubescens.Germination_summary_Pinus_sylvestris.csv — Germination summary and cut test results for Pinus sylvestris.Seed_mass_ALL.csv — Seed mass data for all three species. Raw data for Alnus glutinosa; calculated values for Betula pubescens and Pinus sylvestris (see corresponding xlsx files for calculations).raw_data_and_calculations_seed mass_Betula_pubescens_maternal line.xlsx — Raw seed mass measurements per maternal line and calculations at population level for Betula pubescens.raw_data_and_calculations_seed mass_Pinus_sylvestris_maternal line.xlsx — Raw seed mass measurements per maternal line and calculations at population level for Pinus sylvestris.environment_data.csv — Environmental data downloaded from the CHELSA database for all analyses.environment_data_temp_n_water.csv — Environmental data downloaded from the CHELSA database for all analyses.bioclim_data.csv — Environmental data downloaded from the CHELSA database for all analyses.R scripts are available in the associated GitHub repository: https://github.com/rdayrell/Intraspecific_shifts_seed_germination_phenology