| |||
| Indikatororganismen m; Leitorganismen n | |||
| |||
| Zeigerorganismus m; Indikatororganismus m | |||
|
indicator organisms : 4 phrases in 1 subject |
| Natural resourses and wildlife conservation | 4 |
| |||
| Indikatororganismen m; Leitorganismen n | |||
| |||
| Zeigerorganismus m; Indikatororganismus m | |||
|
indicator organisms : 4 phrases in 1 subject |
| Natural resourses and wildlife conservation | 4 |