22.05.2020: Unterschied zwischen den Versionen
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| Zeile 58: | Zeile 58: | ||
| M3 || 16.7 || 69.6 || 13.7 || 3.5 || / || Rotifera & Paramecia || / || Teratologies | | M3 || 16.7 || 69.6 || 13.7 || 3.5 || / || Rotifera & Paramecia || / || Teratologies | ||
|- | |- | ||
| M4 || 14.7 || 69.8 || 15.5 || 1.6 || Chlorococcal, Euglena, Closterium, Synura || ''Rhoicosphenia abbreviata'' || Paramecium || / | | M4 || 14.7 || 69.8 || 15.5 || 1.6 || / ||Chlorococcal, Euglena, Closterium, Synura || ''Rhoicosphenia abbreviata'' || Paramecium || / | ||
|- | |- | ||
| M5 || 27,1 || / || 72,9 || / || Cyanobacteria (Oscillatorials, Coccal) || Mycohyphae || / || / | | M5 || 27,1 || / || 72,9 || / || Cyanobacteria (Oscillatorials, Coccal) || Mycohyphae || / || / | ||
Version vom 25. Mai 2020, 10:25 Uhr
Sampling
==Sampling spots==
| Sampling sites | Latitude | Longitude |
|---|---|---|
| M1 | 51.589308 N | 8.755923 E |
| M2 | 51.589975 N | 8.754721 E |
| M3 | 51.590694 N | 8.754786 E |
| M4 | 51.597248 N | 8.760392 E |
| M5 | 51.602579 N | 8.760392 E |
| M6 | 51.5909370 N | 8.7549049 E |
Hydrology
Hyperrheic: /
Eurheic: /
Oligorheic: M1, M2, M3
Arheic: M4, M6
Hyprheic: M5
Physicochemical composition
| Sampling site | Q [l/s] |
Conductivity [mS/cm] |
pH | Temp [°C] |
Comments |
|---|---|---|---|---|---|
| M1 | 0,1 | 0,600 | 8,07 | 12,0 | humic, salamanders |
| M2 | 0,1 | 0,554 | 8,08 | 12,6 | fine sediment |
| M3 | 0,06 | 0,543 | 8,14 | 12,6 | small cobbles |
| M4 | 0,01 | 0,425 | 7,9 | 13 | wet, no apparent current |
| M5 | / | / | / | / | dry |
| M6 | 0,02 | 0,54 | 8,22 | 13 | tadpoles |
Diatom survival
Smaller + narrower diatoms dead, wider = resistant
| Sampling sites | Dead [%] | Alive [%] | Resistant [%] | Lipid increase | Other algae | Zoological | Diatom species | Comments | |
|---|---|---|---|---|---|---|---|---|---|
| M1 | 32.3 | 54.8 | 12.9 | / | / | Paramecia can have eaten most diatoms | / | Top down regulation? / Too little diatoms (n = 31) | |
| M2 | 18.3 | 57.2 | 24.5 | 3.7 | / | / | Nitzschia acicularis, Gomphonematal | Arbuscular diatoms | |
| M3 | 16.7 | 69.6 | 13.7 | 3.5 | / | Rotifera & Paramecia | / | Teratologies | |
| M4 | 14.7 | 69.8 | 15.5 | 1.6 | / | Chlorococcal, Euglena, Closterium, Synura | Rhoicosphenia abbreviata | Paramecium | / |
| M5 | 27,1 | / | 72,9 | / | Cyanobacteria (Oscillatorials, Coccal) | Mycohyphae | / | / | |
| M6 | 8.1 | 73.9 | 18 | 11.9 | Cyanobacteria (Oscillatorials,...), Chlorophyta (Mougeotia) | / | Amphora pediculus, Encyonema ventricosum, Nitzschia microcephala | Teratologies |