 |
 |
 |
 |
|
|
|
|
| Fish Eating Birds and Salmonids in Scotland |
| Table
3.12. The numbers of salmon and brown trout consumed per
100g of food intake by different bird species at various
places and times of year. *(R) red-breasted merganser, (G) goosander and (C) cormorant, (d) ducklings & (j) juveniles. **Large salmon are 90mm or more in length and large trout 200mm or more. |
| Bird* spp. | Site |
Month(s) |
No stomachs. |
Salmon/100g |
Large** salmon/100g |
Trout/100g |
Large** trout /100g |
| R | CONON |
Mar/Apr |
14 |
2.72 |
1.66 |
3.77 |
0.00 |
| R | BESK |
Mar/Apr |
15 |
3.03 |
0.58 |
5.86 |
0.00 |
| R | LAGGAN |
Mar/Apr |
21 |
10.63 |
1.30 |
9.36 |
0.00 |
| R | NESK |
Mar/Apr |
30 |
7.78 |
3.77 |
5.63 |
0.00 |
| R | NESK |
Jan/Feb |
8 |
4.81 |
1.97 |
4.80 |
0.00 |
| R | SESK |
Mar/Apr |
30 |
6.19 |
2.40 |
7.92 |
0.00 |
| R | SPEY |
Mar/Apr |
13 |
7.64 |
3.31 |
4.51 |
0.00 |
| R | TAY |
Mar/Apr |
12 |
8.46 |
1.72 |
5.34 |
0.00 |
| R | FINDHORN |
Mar/Apr |
5 |
9.01 |
3.95 |
4.59 |
0.00 |
| Rd | NESK |
Jul/Aug |
18 |
24.91 |
0.63 |
5.67 |
0.00 |
| C | BEAULY |
Mar/Apr |
7 |
2.62 |
2.18 |
2.48 |
0.00 |
| C | BESK |
Nov/Dec |
10 |
0.06 |
0.03 |
0.32 |
0.17 |
| C | DEVERON |
Jan/Feb |
14 |
0.13 |
0.13 |
1.92 |
0.25 |
| C | DEVERON |
Nov/Dec |
46 |
0.39 |
0.31 |
1.06 |
0.15 |
| C | LAGGAN |
Mar/Apr |
14 |
1.00 |
0.57 |
2.95 |
0.33 |
| C | ANNAN |
Mar/Apr |
10 |
0.17 |
0.17 |
1.80 |
0.03 |
| C | NITH |
Mar/Apr |
19 |
0.05 |
0.04 |
0.72 |
0.16 |
| C | TWEED |
Mar/Apr |
74 |
0.40 |
0.33 |
0.80 |
0.07 |
| C | TWEED |
Jan/Feb |
5 |
0.00 |
0.00 |
0.16 |
0.05 |
| C | TWEED |
May/Jun |
5 |
0.10 |
0.00 |
0.00 |
0.00 |
| G | BEAULY |
Mar/Apr |
14 |
6.78 |
5.08 |
3.08 |
0.00 |
| G | CONON |
Mar/Apr |
10 |
1.24 |
0.50 |
1.52 |
0.06 |
| G | BESK |
Mar/Apr |
102 |
1.71 |
0.76 |
4.41 |
0.10 |
| G | DEE |
Mar/Apr |
31 |
4.91 |
2.37 |
2.81 |
0.11 |
| G | DEE |
Nov/Dec |
53 |
4.52 |
3.01 |
3.68 |
0.07 |
| G | DEVERON |
Mar/Apr |
24 |
5.14 |
3.22 |
2.57 |
0.04 |
| G | DEVERON |
Jan/Feb |
40 |
1.96 |
1.33 |
2.98 |
0.10 |
| G | DEVERON |
Nov/Dec |
19 |
2.23 |
1.88 |
2.81 |
0.09 |
| G | NESK |
Mar/Apr |
20 |
2.34 |
1.79 |
4.29 |
0.04 |
| G | SESK |
Mar/Apr |
12 |
3.15 |
1.77 |
6.31 |
0.00 |
| G | SPEY |
Mar/Apr |
26 |
4.66 |
2.46 |
2.84 |
0.00 |
| G | TAY |
Mar/Apr |
19 |
1.72 |
0.62 |
5.23 |
0.04 |
| G | ANNAN |
Mar/Apr |
25 |
0.93 |
0.35 |
4.08 |
0.07 |
| G | NITH |
Mar/Apr |
59 |
1.84 |
0.47 |
1.99 |
0.00 |
| G | TWEED |
Mar/Apr |
340 |
2.13 |
1.28 |
2.22 |
0.07 |
| G | TWEED |
Jan/Feb |
91 |
0.75 |
0.49 |
1.06 |
0.08 |
| G | TWEED |
Nov/Dec |
44 |
1.51 |
0.76 |
3.24 |
0.06 |
| G | TWEED |
May/Jun |
24 |
0.69 |
0.48 |
2.37 |
0.00 |
| Gd | TWEED |
Jul |
11 |
3.85 |
0.00 |
3.85 |
0.00 |
| Gd | DEE |
Jul |
25 |
20.30 |
2.14 |
2.77 |
0.00 |
| Gj | DEE |
Aug |
13 |
16.20 |
3.32 |
1.34 |
0.00 |
| C | LOCH AWE |
Nov/Dec |
5 |
0.00 |
0.00 |
0.05 |
0.05 |
| C | BUTTERSTONE |
Mar/Apr |
5 |
0.00 |
0.00 |
0.00 |
0.00 |
| C | COBBINSHAW |
Mar/Apr |
10 |
0.00 |
0.00 |
0.30 |
0.24 |
| C | COBBINSHAW |
Nov/Dec |
5 |
0.00 |
0.00 |
0.42 |
0.42 |
| C | LOCH FAD |
Jan/Feb |
22 |
0.00 |
0.00 |
0.06 |
0.02 |
| C | LOCH FAD |
Mar/Apr |
6 |
0.00 |
0.00 |
0.00 |
0.00 |
| C | LOCH FAD |
Nov/Dec |
11 |
0.00 |
0.00 |
0.04 |
0.04 |
|
|
|