Streams | Lakes | |||
---|---|---|---|---|
n | % | n | % | |
Chironomidae | 241 | 99.6 | 103 | 100 |
Oligochaeta | 210 | 86.8 | 86 | 83.5 |
Ceratopogonidae | 108 | 44.6 | 63 | 61.2 |
Simuliidae | 161 | 66.5 | 0 | 0 |
Athericidae: |
92 | 38.0 | 0 | 0 |
Chaoboridae: |
3 | 1.2 | 14 | 13.6 |
Culicidae | 8 | 3.3 | 3 | 2.9 |
Cylindrotomidae: |
1 | 0.4 | 2 | 1.9 |
Dixidae | 6 | 2.5 | 6 | 5.8 |
Dolichopodidae | 4 | 1.7 | 1 | 1.0 |
Limoniidae: |
22 | 9.1 | 0 | 0 |
Limoniidae: |
97 | 40.1 | 1 | 1.0 |
Limoniidae: |
1 | 0.4 | 1 | 1.0 |
Muscidae: |
17 | 7.0 | 0 | 0 |
Pediciidae: |
105 | 43.4 | 1 | 1.0 |
Psychodidae: |
21 | 8.7 | 0 | 0 |
Ptychopteridae: |
9 | 3.7 | 1 | 1.0 |
Sciomyzidae | 1 | 0.4 | 0 | 0 |
Stratiomyiidae | 3 | 1.2 | 1 | 1.0 |
Syrphidae | 0 | 0 | 1 | 1.0 |
Tabanidae: |
41 | 16.9 | 6 | 5.8 |
Tipulidae | 29 | 12.0 | 2 | 1.9 |
Diptera indet. | 106 | 43.8 | 9 | 8.7 |
Streams | Lakes | |||
---|---|---|---|---|
mean ± SE | % | mean ± SE | % | |
Chironomidae | 142 ± 35 | 24.2 | 93 ± 11 | 32.6 |
Oligochaeta | 21 ± 3 | 3.6 | 23 ± 5 | 8.1 |
Ceratopogonidae | 1.7 ± 0.5 | < 0.1 | 5.3 ± 1.0 | 1.9 |
Simuliidae | 68 ± 30 | 11.6 | 0 | 0 |
4.1 ± 1.0 | 0.7 | 0 | 0 | |
1.3 ± 0.2 | < 0.1 | < 0.1 | < 0.1 | |
2.9 ± 0.4 | < 0.1 | < 0.1 | < 0.1 |
Variable | S vs L | S: dark water vs light water | L: hard water vs soft water | S: DistS | All: pH | All: O2 | All: Cond |
---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Chir | <* | ||||||
Chir% | <*** | ||||||
Olig | >* | +*** | + ** | +* | |||
Olig% | +*** | +** | –** | ||||
Cer | <*** | ||||||
Cer% | <*** | ||||||
Sim | --- | --- | –** | ||||
Sim% | --- | --- | |||||
DiptR | >*** | <* | –* | +** |
Type | Water properties | Catchment (km2) area | Alkalinity (mgl−1 HCO3−) | Cond(μS cm−1) | Salinity(mgl−1 Cl−) | Strat | n |
---|---|---|---|---|---|---|---|
Streams | |||||||
I A | Dark water (> 25) | 10−100 | 44 | ||||
I B | Light water (< 25) | 10−100 | 70 | ||||
II A | Dark water (> 25) | 100−1000 | 31 | ||||
II B | Light water (< 25) | 100−1000 | 75 | ||||
III A | Dark water (> 25) | 1000−10 000 | 1 | ||||
III B | Light water (< 25) | 1000−10 000 | 19 | ||||
IV | > 10 000 | 2 | |||||
Lakes | |||||||
I | Calcareous | > 240 | > 400 | < 25 | no | 1 | |
II | Medium water hardness | 80–240 | 165–400 | < 25 | no | 49 | |
III | Medium water hardness | 80–240 | 165–400 | < 25 | yes | 13 | |
IV | Soft water, dark (≥ 4) | < 80 | < 165 | < 25 | no | 9 | |
V | Soft water, light (≤ 4) | < 80 | < 165 | < 25 | no | 19 | |
VIII | Former lagoons (distance from the sea < 5 km) | > 25 | no | 12 |
Comparison | Streams | Lakes | |
---|---|---|---|
EQRMMQ | Chir | −0.5** | |
Olig | 0.8*** | −0.7* | |
Cer | −2.2*** | ||
Sim | 2.5*** | ||
Chir% | -0.2** | −0.5*** | |
Olig% | −0.3** | ||
Cer% | −0.1* | ||
DiptR | 3.8*** | ||
MESH | Olig | 0.18* | 0.6** |
Cer | −1.1* | ||
Sim | 2.3* | ||
Chir% | −0.1* | ||
Cer% | −0.04*** | ||
DiptR | 3.8*** | ||
QWat | Olig | −1.2** | |
Olig% | −0.1** | ||
QFish | Olig | 0.2* | |
Olig% | 0.03** | ||
QPhybe | DiptR | 0.4* | |
Olig | −0.3** | ||
Olig% | −0.06** | ||
EQRT | Olig | 0.2* | −0.5* |
Cer | 1.4*** | ||
Chir% | −0.4*** | ||
Cer% | 0.03** | −0.1** | |
DiptR | 1.6*** | ||
EQREPT | Chir | 6.1*** | ** |
Olig | 0.5*** | −0.4** | |
Chir% | −0.1* | ||
Olig% | −0.1* | ||
Cer% | −0.05** | ||
DiptR | 1.7*** | ||
EQRH’ | Chir | −0.9*** | −0.7*** |
Olig | 1.3*** | ||
Sim Chir% | 1.5** −0.3*** | −0.1* | |
Olig% | 0.07** | ||
DiptR | 1.6** | ||
EQRASPT | Olig | −0.8* | −1.8** |
Olig% | −0.7** | ||
DiptR | 4.5*** |