\ 
6 Fishery Board for Scotland. 
hand, the quantity landed falls to a minimum about September and 
October. These broad facts are of purely commercial importance, 
and represent the summation of very different phenomena in the 
individual species of fish. 
As hiss Sead ON outs a 
{80;- 
{OO} 
RG) 
{20 
f00 
Fic. 1. Total monthly landings of trawled fish in Aberdeen, 1912. 
(Smoothed curve.) 
In Table II. I show, in an abbreviated fashion, the average 
annual catch per voyage in ewts. of the whole Aberdeen fishing fleet, 
for the successive years 1905-1912; and in Table IIa. the same 
results are shown for the successive triennial periods, 1905-7 io 
1910-12. 
TABLE II. 
Average Total Catch in cwts. per Voyage of Aberdeen Trawlers. 
1905 
Northern Grounds : - | 229°4 
East Coast Grounds” - -| 60:9 
Middle Grounds - - - | 168°5 
South East Grounds - . -| 163:2 
Various North Sea - - | 176°0 
Total North Sea - - | 135°4 
Western Grounds a aly f(s} 
Faeroe and Iceland = - | 518°9 
Mixed Grounds - Slee 
GRAND TOTAL 
1906 
200°3 
58:0 
136°7 
149°4 
162°5 
125°0 
159°3 
678°9 
1907 
1908 
210°2 | 211:7 
67:9 
146°6 
180°3 
173°4 
132°9 
183°8 
569°6 
62:1 
145-9 
199°8 
174:1 
126°5 
201°2 
717-4 
1774 
153°6 | 154-9 | 169:2 | 161-0 
1909 
1910 | 1911 | 1912 
193°3 | 20271 | 222°1 
50°3| 58:1) 58:3 
117°6 | 137°5 | 1681 
141-4 | 245-2 | 203-4 
157°3 | 173°8 | 173°8 
114°7 | 124°2 | 122-1 
192°5 | 190°8 | 210-4 
666°8 | 8010 | 733-4 
158°6 | 175-2 | 188°6 
148°8 | 164°5 | 170-9 
