Table 1.
Description of sampling sites used for slug mass sampling between July and October 2014
| Code | Loc type | Description | GPS |
|---|---|---|---|
| G | Patha | Path “Schwarzer Weg” | 54°20′58.4″N 10°06′51.4″E |
| J | Patha | Path “Schwarzer Weg” | 54°21′35.0″N 10°07′10.2″E |
| P | Patha | Small path “Russee” along a brook, between a living area and a lake | 54°18′08.0″N 10°05′12.8″E |
| W | Patha | Path “Melsdorf Landstrasse” close to street | 54°18′59.4″N 10°02′08.9″E |
| BB | Patha | Path “Mühlenweg” | 54°20′36.4″N 10°07′03.7″E |
| L | Park | Surroundings of the lake” Russee” shady because of trees | 54°17′55.9″N 10°05′01.4″E |
| N | Park | Park “Moorteichwiesen” with some smaller water areas, frequently used by humans | 54°18′37.7″N 10°07′15.1″E |
| R | Park | Park “Schützenwallpark” next to a lake, many stinging-nettles, frequently used by humans | 54°19′00.7″N 10°06′47.4″E |
| U | Park | Flower bed in a park “Schlossgarten” | 54°19′40.9″N 10°08′40.6″E |
| V | Park | Meadow in the old botanical garden, meadow is surrounded by trees | 54°19′50.8″N 10°08′47.3″E |
| Z | Park | Park “Forstbaumschule”, meadows and trees | 54°20′56.1″N 10°08′29.8″E |
| H | Garden | Private garden without compost | 54°22′32.3″N 10°08′07.7″E |
| Q | Garden | Path “Russee” close to garden plots, close to a brook, apple and plum trees available | 54°18′14.6″N 10°05′28.9″E |
| S | Garden | Private garden with apple trees in a village close to Kiel | 54°13′13.2″N 10°03′54.1″E |
| Y | Garden | Natural finish gardens in a trailer park, apple trees and other fruit trees including rotting fruits | 54°18′41.4″N 10°05′00.2″E |
| M | Compost | 3 Big compost heaps in the botanical garden, different decomposing stages, partly covered by straw and pumpkins | 54°20′47.0″N 10°07′03.8″E |
| O | Compost | Compost close to a beach volleyball cort, mainly grass, leaves and soil, approx. 15 m distance to a sports field | 54°20′38.3″N 10°06′56.1″E |
| T | Compost | Private garden with compost, mostly grass and some kitchen garbage | 54°20′30.2″N 10°05′52.0″E |
| X | Compost | Private garden with several compost heaps and an apple tree | 54°20′25.1″N 10°07′35.7″E |
| I | Meadow | Meadow “Kopperpahler Au” with weed, separated by a path, partly next to a small river | 54°20′46.5″N 10°05′27.9″E |
| K | Forest | Forest “Tiergehege Tannenberg” | 54°21′53.0″N 10°07′04.0″E |
loc type location type.
aA path either tarred or made out of sand, often some grass areas in close proximity, but without the big grass lawn found in parks (see Additional file 2A–E).