Replication Data for Distribution of Quercus ilex subsp. rotundifolia in Tunisia and intraspecific variation of seed morphophysiological traits along climatic gradients

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Replication Data for Distribution of Quercus ilex subsp. rotundifolia in Tunisia and intraspecific variation of seed morphophysiological traits along climatic gradients
Amimi, Nabil; Ghouil, Hana; Zitouna-Chebbi, Rim; Joët, Thierry; Ammari, Youssef, 2022, "Replication Data for Distribution of Quercus ilex subsp. rotundifolia in Tunisia and intraspecific variation of seed morphophysiological traits along climatic gradients", https://doi.org/10.23708/TYFN5U, DataSuds, V1, UNF:6:cHGNf+36WqEUqJV2nD6V3w== [fileUNF]
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Description
This dataset gathers geographical information for the distribution sites of Quercus ilex subsp. rotundifolia in Tunisia in 2020, as well as climatic data and seed morpho-physiological traits associated with the 18 main populations identified.
In order to identify adaptations to local environments that may reflect ecological strategies for stress avoidance and seed survival, we tested whether seed functional traits vary, in Quercus ilex subsp. rotundifolia, along climatic gradient within its southern range of distribution, at the edge of arid areas, in Tunisia. An updated survey on the distribution of Q. ilex in Tunisia allowed to characterize the bioclimates of the main populations.
We have measured variations for seed morphological traits, desiccation sensitivity level, germination and shoot emergence rates under controlled conditions, among 18 populations of Q. ilex sampled over the entire Tunisian distribution of the species. We have explored the relationships between observed variations in seed traits and climate factors.

Contents
  • The Excel file "Data_Quercus_ilex_Tunisia_2020.xls" used in Amimi et al. includes 5 sheets: Sheet 1 ("Info_legend"): description of the variables used; sheet 2 ("Quercus ilex coordinates"): geographical coordinates, elevation of Quercus ilex subsp. rotundifolia distribution sites in Tunisia; sheet 3 ("Measured_data"): Locations of the 18 source populations for Quercus ilex in Northern Tunisia, and their main associated climate characteristics, as well as variation in morphological and physiological traits of seeds and acorns among the 18 Tunisian Holm oak populations studied ; sheet 4 ("Analyzed_data1"): Cross-correlation matrix between seed morphophysiological traits; sheet 5 ("Analyzed_data2"): Correlation matrix between seed morphophysiological traits and climatic variables at the site of harvest.
  • The file "Quercus_ilex_Tunisia_Info_legend.tsv" (text format, tabulated data) describes the variables used.
  • The file "Quercus_ilex_Tunisia_Quercus_ilex_coordinates.tsv" includes geographical coordinates, elevation of Quercus ilex subsp. rotundifolia distribution sites in Tunisia.
  • The file "Quercus_ilex_Tunisia_Measured_data.tsv" includes locations of the 18 source populations for Quercus ilex in Northern Tunisia, and their main associated climate characteristics, as well as variation in morphological and physiological traits of seeds and acorns among the 18 Tunisian Holm oak populations studied.
  • The file "Quercus_ilex_Tunisia_Analyzed_data1.tsv" includes correlation matrix between seed morphophysiological traits and climatic variables at the site of harvest.
  • The file "Quercus_ilex_Tunisia_Analyzed_data2.tsv" includes Cross-correlation matrix between seed morphophysiological traits.
Subject Earth and Environmental Sciences
Keyword Holm oak, germination, seed functional traits, recalcitrant seeds, oak acorn, Mediterranean climate
Related Publication Amimi, N., Ghouil, H., Zitouna-Chebbi, R., Joët, T., Ammari, Y. (2023) Intraspecific variation of Quercus ilex L. seed morphophysiological traits in Tunisia reveals a trade-off between seed germination and shoot emergence rates along a thermal gradient. Annals of Forest Science 80(12). doi: 10.1186/s13595-023-01179-7
Notes Data type: observational data, experimental data
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Data_Quercus_ilex_Tunisia_2020.tab
Quercus_ilex_Tunisia/Tabular Data - 4.1 KB
Published Sep 22, 2022
11 Downloads
4 Variables, 57 Observations UNF:6:6XhPE2A3ZC/WxUlI4UcuXg==
This Excel file "Data_Quercus_ilex_Tunisia_2020.xls" used in Amimi et al. includes: Sheet 1 (Info_legend): description of the variables used; sheet 2 (Quercus ilex coordinates): geographical coordinates, elevation of Quercus ilex subsp. rotundifolia distribution sites in Tunisia; sheet 3 (Measured_data): Locations of the 18 source populations for Quercus ilex in Northern Tunisia, and their main associated climate characteristics, as well as variation in morphological and physiological traits of seeds and acorns among the 18 Tunisian Holm oak populations studied. ; sheet 4 (Analyzed_data1): Cross-correlation matrix between seed morphophysiological traits; sheet 5 (Analyzed_data2): Correlation matrix between seed morphophysiological traits and climatic variables at the site of harvest
DataDocumentation
Quercus_ilex_Tunisia_Analyzed_data1.tab
Quercus_ilex_Tunisia/Tabular Data - 4.3 KB
Published Sep 22, 2022
8 Downloads
21 Variables, 24 Observations UNF:6:/Diz8kQoyF9eN1vDG3xYQw==
Correlation matrix between seed morphophysiological traits and climatic variables at the site of harvest
Data
Quercus_ilex_Tunisia_Analyzed_data2.tab
Quercus_ilex_Tunisia/Tabular Data - 5.8 KB
Published Sep 22, 2022
9 Downloads
26 Variables, 24 Observations UNF:6:GHF/3/NjGglg2I7s4uK4DA==
Cross-correlation matrix between seed morphophysiological traits
Data
Quercus_ilex_Tunisia_Info_legend.tab
Quercus_ilex_Tunisia/Tabular Data - 4.1 KB
Published Sep 22, 2022
9 Downloads
4 Variables, 57 Observations UNF:6:zDhm9+7gJOY1s3qihtdE4g==
Description of the variables used
Documentation
Quercus_ilex_Tunisia_Measured_data.tab
Quercus_ilex_Tunisia/Tabular Data - 8.7 KB
Published Sep 22, 2022
10 Downloads
57 Variables, 18 Observations UNF:6:I8n0JHgQrbagPQ/J0DWPJw==
Locations of the 18 source populations for Quercus ilex in Northern Tunisia, and their main associated climate characteristics, as well as variation in morphological and physiological traits of seeds and acorns among the 18 Tunisian Holm oak populations studied
DataGeospatial
Quercus_ilex_Tunisia_Quercus_ilex_coordinates.tab
Quercus_ilex_Tunisia/Tabular Data - 38.4 KB
Published Sep 22, 2022
9 Downloads
8 Variables, 276 Observations UNF:6:f5I6b7NXtJQ9UamqOw9VPQ==
Geographical coordinates, elevation of Quercus ilex subsp. rotundifolia distribution sites in Tunisia
DataGeospatial
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