Landscape and habitat data for Tetramorium ant species from Cordonnier et al. 2019 Landscape Ecology

This README accompanies the file "data_Cordonnier_LandEcol.txt"

Associated publication : 

Multi-scale impacts of urbanization on species distribution within the genus 
Tetramorium - Landscape Ecology
M. Cordonnier, C. Gibert, A. Bellec, B. Kaufmann, G. Escarguel

 
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The data are in table form with TABs as variables field delimiters so they can 
be readily imported in any statistical package or spreadsheet program. Please, 
contact me if you need the file formatted otherwise. 

This file includes a description of the variables.

The individuals described in this file were identified to species and analyzed for climate variables in

Cordonnier, M., Bellec, A., Dumet, A., Escarguel, G., & Kaufmann, B. (2019). 
Range limits in sympatric cryptic species: a case study in Tetramorium pavement 
ants (Hymenoptera: Formicidae) across a biogeographical boundary. Insect 
Conservation and Diversity, 12(2), 109-120.
 

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Variable names and descriptions

ID    Sample name
X    Longitude in  WGS 84  (World Geodetic System 1984)  decimal degrees rounded to 5 decimal places
Y    Latitude in  WGS 84  (World Geodetic System 1984) decimal degrees rounded to 5 decimal places
SZ    Name of the sampling area sensu Cordonnier et al. (2019)
SP    Species identification based on mtDNA COI gene
PI10    Percentage of impervious surfaces within a 10 m buffer around the sample
PI30    Percentage of impervious surfaces within a 30 m buffer around the sample
PI500    Percentage of impervious surfaces within a 500 m buffer around the sample
MH1    Presence / absence of full soil with vegetation    
MH2    Presence / absence of pavement    
MH3    Presence / absence of unstabilized material (sand. gravel. compacted soil 
    with pebbles or small rocks)    
MH4    Presence / absence of wood or root    
MH5    Presence / absence of litter (woodchips or dead leaves)    
MH6    Presence / absence of curb    
MH7    Presence / absence of building    
MH8    Presence / absence of feature (p.ex. lamp post. elec. pole. large rock)    
MH9    Presence / absence of ditch or strong slope

********************************* CONTACT **********************************
Please contact me at:

Marion Cordonnier
e-mail: marion.cordonnier@hotmail.com

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