This file contains an explanation of the two data files, boreal_forest_climate_data.csv
and specieslist_xylo.csv.

The data set "boreal_forest_climate_data" contains 12 columns and 88 rows. 

Block: six different study sites are distributed from southern (1) to
northern Sweden (6).

1: Tönnersjöheden
2: Asa
3: Siljansfors
4: Vindeln
5: Järpen
6: Ätnarova 

Plot: five study plots that contains one study site. 
Block 1: Plot 11-15
Block 2: Plot 6-10
Block 3: 16-20
Block 4: 21-25
Block 5: 1-5
Block 6: 26-30

Shade: three different shade level at one  plot. 1: sun-exposed, 2:
intermediately shaded and 3: fully-shaded.

Mikro- and makrotemp: mean temperatures per Block,  plot and shade.

CTI: community temperature index per Block,  plot, and shade.

Bark: Remaining bark at every spruce log.

Diameter: Diameter of the spruce logs.

Regional climate: Average temperature measured by nearby weather stations
for every  block over the period from May-September 1990-2020 in °C.

Aspect: Aspect in degrees of every  plot.

Species richness: Species richness per Block,  plot,  and shade.

Totalab: Abundance per Block,  plot, and shade.

Dataset "specieslist_xylo" contains 6 columns and 3460 rows. 

Log: 15 Spruce logs distributed over different shade levels on every plot.
Spruce logs 1,4,7,10 and 13 on shade level 1; spruce logs 2,5,8,11 and 14 on
shade level 2 and spruce logs 3,6,9,12, and 15 on shade level 3. 

Sampling_date: Date, when beetle species were collected.

Species: Name of saproxylic beetle species found in each spruce log. 

Number: Number of each species found in each spruce log. 

STI: Species temperature index for every beetle species.