Rivers Ettrick
and Yarrow algae, 2006
This survey was carried out as a supplement to a study (by J. Gillard, with the Tweed Foundation) of the Ettrick and Yarrow systems, aimed at finding a cause of lower salmon recruitment in the Yarrow.
| Species |
Image |
Type |
Sites |
Abundance (overall - where present) |
| Ankistrodesmus |
green |
3 |
+ |
|
Asterionella
formosa |
diatom |
2,
4 |
+ |
|
| ?Asterococcus |
|
green |
8 |
+ |
| Audouinella |
 |
rhodophyte |
3,
4, 8, 9, 11, 13, 15, 21, 24 |
++ |
| Batrachospermum |
 |
rhodophyte |
5,
18 |
+ |
| Bulbochaete |
 |
green |
14,
9, 15, 16, 17 |
+ |
Calothrix
sp. |
cyanobacterium |
15 |
+ |
|
| Ceratium hirundinella |
|
dinoflagellate |
5 |
+ |
| Chaetophora |
|
green |
16,
17, 18, 19, 21, 22, 24, |
++ |
| Cladophora |
|
green |
11,
20, 24, 26, 27 |
++ |
Closterium
ehrenbergii |
desmid |
25,
26 |
+ |
|
| Closterium
?idiosporum |
 |
desmid |
3,
14, 15, 19 |
+ |
| Closterium
lebleinii |
 |
desmid |
1,
3, 4, 5, 6, 7, 15, 16, 18, 19, 20,
21 |
++ |
| Closterium
moniliferum |
 |
desmid |
20 |
+ |
Closterium
?parvulum |
desmid |
25 |
+ |
|
| Cocconeis |
 |
diatom |
11,
20, 26, 27 |
++ |
| ?Coelastrum |
green |
25,
27 |
+ |
|
| ?Coelosphaerium |
cyanobacterium |
7,
25 |
+ |
|
| Cosmarium
botrytis |
 |
desmid |
14,
19 |
+ |
| Cosmarium
?punctatulum |
 |
desmid |
8,
18, 19 |
++ |
Cosmarium reniforme v. compressum |
 |
desmid |
5 |
+ |
Cosmarium
sp. |
desmid |
2,
6, 21 |
+ |
|
?Crucigenia
fenestrata |
 |
green |
25 |
+ |
| Cymbella
cymbiforme |
 |
diatom |
4,
15, 16 |
+ |
| Cymbella
lanceolata |
 |
diatom |
4 |
+ |
| Diatoma
ehrenbergii |
|
diatom |
6 |
++ |
| Diatoma
sp. |
|
diatom |
6,
7, 19, 20, 24 |
++ |
| Didymosphenia
geminata |
 |
diatom |
1,
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 19, 20, 21, 22, 23,
24 |
+++++ |
| Encyonema
prostratum |
|
diatom |
4,
5, 15 |
++ |
| Euastrum
verrucosum |
desmid |
4 |
+ |
|
| Fragilaria
capucina |
 |
diatom |
2,
4, 6, 8, 20 |
++ |
| Geminella |
 |
green |
5,
14, 16 |
+ |
| Gomphonema
acuminatum |
 |
diatom |
2,
3, 4, 14, 19 |
+++ |
| Gomphonema
subtile |
 |
diatom |
4 |
+ |
| Gomphonema
truncatum |
|
diatom |
4,
15, 16, 19 |
++ |
| Hyalotheca
dissiliens |
 |
desmid |
1,
19 |
+ |
Klebsormidium
8µm. |
green |
2 |
++ |
|
| Lemanea |
 |
rhodophyte |
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 21, 22, 23, 24 |
++++ |
| ?Melosira/Aulacoseira |
 |
diatom |
4,
21, 25, 27 |
+ |
Meridion
circulare |
diatom |
4,
19 |
+ |
|
| Microspora
20µm. |
 |
green |
3,
5, 6, 13, 14, 21, 24, |
++ |
Mougeotia
8µm. |
green |
1,
2, 3, 4, 15, 17, 19 |
++ |
|
| Mougeotia
25µm. |
|
green |
1,
2, 4, 5, 7, 8, 15, 19, 20, 24, |
++ |
| Navicula
radiosa |
 |
diatom |
4 |
+ |
| Nitzschia
sigmoidea |
diatom |
1 |
+ |
|
Oedogonium
11µm. |
green |
2,
4, 6, 7, 8, 15, 16 |
+ |
|
| Oedogonium
17µm. |
|
green |
2,
3, 4, 5, 6, 7, 8, 9, 11, 13, 15, 16,
21, 22, 23, 24, 25 |
++++ |
| Oedogonium
35µm. |
  |
green |
2,
3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 17,
20, 21, 22, 23, 24, 25 |
+++ |
Oedogonium
45µm. |
 |
green |
3,
11, 21, 25, 27 |
+ |
Oscillatoria
6-8µm. |
cyanobacterium |
4,
15, 27 |
+ |
|
| Pediastrum
|
|
green |
2,
25, 27 |
+ |
| Pinnularia
maior |
 |
diatom |
4 |
+ |
| Scenedesmus |
 |
green |
25,
26, 27 |
+ |
Scenedesmus
obliquus |
 |
green |
25 |
+ |
Scenedesmus
obtusus |
 |
green |
25 |
+ |
| ? Sphaerocystis |
|
green |
2 |
+ |
Spirogyra
11µm. |
green
|
1,
4, 5, 8, 19, 20 |
+ |
|
| Spirogyra
22µm. |
 |
green
|
3,
4, 5, 8 |
++ |
Spirogyra
30µm. |
green
|
2,
3, 6, 7, 8, 9, 20, 24, 25, 26 |
++ |
|
Spirogyra
42µm. |
green
|
3,
6, 15, 20, 23, 25, 27 |
++ |
|
| Staurastrum
armigerum |
 |
desmid |
3 |
+ |
| Staurastrum
avicula |
 |
desmid
|
19 |
+ |
| Staurastrum
crenulatum |
 |
desmid
|
4 |
++ |
| Staurastrum
?cyrtocerum |
 |
desmid
|
4 |
+ |
| Staurastrum (?avicula) |
 |
desmid
|
7,
25 |
++ |
| Staurastrum
?pingue |
 |
desmid
|
4 |
+ |
Staurastrum
?punctatulum |
 |
desmid
|
25 |
+ |
| Stigeoclonium
?amoenum |
|
green |
4,
5, 6, 7, 8, 14, 26 |
++ |
Synedra
acus |
diatom |
4,
5, 19, 20, 25, 26 |
+ |
|
| Synedra
berolinensis |
|
diatom |
15 |
+ |
| Synedra
ulna |
 |
diatom |
1,
2, 3, 4, 5, 6, 7, 9, 8, 13, 14, 15, 18,
21, 24 |
++ |
| Tabellaria
fenestrata |
|
diatom |
1,
2, 19, 25 |
++ |
| Tabellaria
fenestrata v. asterionelloides |
|
diatom |
1,
4, 8 |
++ |
| Tabellaria
flocculosa |
 |
diatom |
2,
3, 4, 5, 9, 15, 19, 22 |
++ |
| Teilingia |
desmid |
7 |
+ |
|
| Tolypothrix
|
|
cyanobacterium |
2,
3 |
+ |
Ulothrix
14µm. |
green |
2,
16, 19 |
+ |
|
| Ulothrix
30µm. |
 |
green |
1,
2, 4, 5, 9, 11, 16, 19, 21, 22, 25 |
++++ |
Ulothrix
60µm. |
green |
4,
5, 6, 7, 20, 24 |
+ |
|
Ulothrix
80µm. |
green |
3,
4, 5, 6, 7, 10, 13, 14, 15, 16, 23 |
++ |
|
| Zygnema
22µm. |
 |
green |
1,
8, 15 |
+ |
John Kinross
