270 



Appendices to Thirtieth Annual Report 



Obstructions to the Passage of Fish— 



1. Dam dykes disused, built, or in prospect — One dealt with at Luskum, 



river Coimel. Dam entirely removed and a free run for fish of the 

 .salmon kind up and down said river. 



2. Are the bye-laws observed in every case ? — Yes. 



The Salmon Disease- 

 No disease in the river Awe or district. 



The Spawning* Season— 



1. Fish were first noticed spawning on 30th October, sea trout ; 11th Novem- 



ber, salmon. 



2. The greatest number spawned on 28th November. 



3. Spawning ceased at end of December. December 16th, fine show of sea trout 



seen spawning very late. 



4. As regards numbers of breeding fish, and state of the water, the past 



spawning season is regarded as — Breeding fish, very good show ; state 

 of water during November and December, very high ; spawning 

 season, very good. 



Note. — If we experience a dry spring, it may interfere with the spawning 

 done on high gravel. 



Smolts— 



1. Smolts were noticed to be migrating seawards on 30th March. 



2. As a smolt year 1911 was fairly good. 



Note. — Weight of salmon in the Awe district was higher than it has been 

 for many years. Both salmon and grilse were fully up to the average during the 

 netting season, but sea trout during that period were poor. 



REPORT FROM CLYDE AND LEVEN DISTRICT, INCLUDING 



LOCH LOMOND. 



Take of Fish— 



1. The take of fish by sweep net in tidal waters of the Clyde estuary, and by 



rod and line in Loch Lomond watershed, has been below the average 

 of previous years. 



Note. — There are no fixed engines in the district. 



2. The actual number of fish caught has been as follows : — 



*(a) By sweep net in the Clyde estuary — (1) 258 salmon, (2) 445 

 grilse, (3) 3468 sea trout. 

 (//) By rod and line (approximately) — In Loch Lomond, but not in- 

 cluding its tributary streams — (1) 96 salmon and grilse, (2) 

 472 sea trout. 



*Note. — Netting began 12th May, and closed 22nd July, Saturday 

 and Monday of each week being treated as close time. 



3. Expressed as percentages for each month of the season, so as to show the 



times of greatest run, the figures are : — 





Mar. 



April. 



May. 



June. 



July. 



Aug. 



Sept. 



Oct. 





'Salmon, 







12 



70 



18 









By Sweep Net- 



Grilse, 









44 



56 









■ Sea trout, 







"2 



22 



76 









By Rod and ■ 

 Line, 



'Salmon 

 , and Grilse 

 - Sea trout, 



2 



4 



14 

 4 



25 

 8 



30 

 18 



13 



25 



10 



35 



2 

 10 



Particulars as to the times grilse and sea trout appeared, as included in 

 the above return, are as follow : — 



(1) In Clyde nets— (a) grilse on 14th June ; (6) sea trout were already 

 running when netting began. 



(2) In Loch Lomond — not noted. 



