of the Fishery Board for Scotland. 



31 



Obstructions to the Passage of Fish— 



1. Dam dykes disused, built, or in prospect : — None. 



2. With regard to the observance of bye-laws : — Observed. 



3. Fish passes built or in prospect : — None. 



4. Natural obstructions not yet dealt with : — None. 



Pollutions— 



1. The existing pollutions are : — The sewage from Ellon burgh. 



2. Remedial measures : — None. 



The Salmon Disease— 



1. Disease made its appearance this year in the month of January 



and reached its height in March. 

 The river was free of diseased fish in May. 



2. The number of diseased fish taken from the river and destroyed was as 



follows : — 59 salmon. 



Males. Females. 

 Kelts, .... 46 13 



The Spawning Season— 



1. Fish were first noticed spawning in November. 



2. The greatest number spawned in January. 



3. Spawning ceased in February. 



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



spawning season is regarded as very satisfactory. 



Smolts— 



1. Smolts were noticed to be migrating seaw ards in April and May. 



2. As a smolt year 1907 was very good. 



Artificial Propagation of Salmon— 



1. The number of ova secured locally during the past season was about 

 70,000. 



REPORT FROM UGIE DISTRICT. 

 Take of Fish— 



1. As compared with the average results of previous years, the take of fish 



generally throughout the district has been under the average of 

 former seasons. 

 More particularly it has been 



(a) By fixed engines in the sea, under the average. 



(b) By sweep net in tidal or fresh waters, slightly over. 



(c) By rod and line, under. 



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



(a) By fixed engine, 850 salmon and 430 grilse. 



(b) By sweep net, 1000 sea trout. 



(c) By rod and line, 1000 finnock and sea trout, and 21 salmon 



and grilse. 



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



times of greatest run, the figures are : — 





Feb. 



Mar. 



April. 



May. 



June. 

 » 



July. 



Aug. 



Sept. 



Oct. 



By Fixed Engine, 







3-90 



11-71 



17-96 



27*34 



15-72 



23-43 





By Sweep Net . 













50 



40 



10 





By Rod and Line, 



9-794 



19-558 



29-382 



9-794 



4-897 





9-794 



9-794 



6-957 



