Table 1.
Geographical position of Lythrum salicaria populations of which seeds were collected in 2012
| Region | Population | Latitude (N) | Longitude (E) | Altitude (m) | Annual temperature (°C) | January temperature (°C) | July temperature (°C) | Annual precipitation (mm) |
|---|---|---|---|---|---|---|---|---|
| Tübingen (Germany) | Hagelloch | 48°32′36″ | 09°00′58″ | 492 | 11.0a | 3.0a | 20.7a | 592.6a |
| Unterjesingen | 48°31′06″ | 08°58′54″ | 347 | |||||
| Reusten | 48°33′13″ | 08°56′17″ | 413 | |||||
| Potsdam (Germany) | Geltow | 52°22′10″ | 12°57′20″ | 30 | 10.8a | 1.7a | 20.4a | 553.8a |
| Ferch | 52°19′56″ | 12°55′30″ | 62 | |||||
| Golmer Luch | 52°23′48″ | 12°56′56″ | 30 | |||||
| Wageningen (The Netherlands) | Ewijk | 51°52′39″ | 05°45′04″ | 10 | 11.3b | 4.9b | 19.1b | 1002.0c |
| Nijmegen | 51°50′57″ | 05°53′30″ | 11 | |||||
| Wageningen | 51°58′43″ | 05°40′42″ | 13 |
In bold: focal local populations in the transplant experiment, used as seed parental populations. The other populations functioned only as pollen donors in the crosses used for this experiment.
a
http://www.wetterkontor.de/(2014–2015, temperature and precipitation of Potsdam and Tübingen (Stuttgart) regions
b
https://weerstatistieken.nl/(2014–2015, temperature of Wageningen (De Bilt) region)
c
http://historie.neerslagkaart.nl//(2014–2015, precipitation of Wageningen region based on source KNMI)