Annual Report of the Fishery Board for Scotland, Teile 2-3H.M. Stationery Office, 1898 |
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27 to Feb 34 inches abdt Amphipods Anglers appear April Asterias rubens Aver average BOARD THE GARLAND bottom tow-net Brassies Buccinum undatum bye-law C.-RECORD OF OBSERVATIONS Common dabs Copepod cruives Crustacea cytoplasm December demersal demersal eggs Dragonets Echinus esculentus Eupagurus bernhardus Eupagurus prideauxii fauna February Fishery Board flounder fluid Flustra G. O. Sars germinal vesicle granules Gurnards Haddocks Hake Inner Stations January July June large number larvæ larval Lemon soles Loch Fyne Long rough dabs March mature eggs minute months Moray Firth November nucleoli number of records October outer stations ovarian ovary ovum Pecten opercularis pelagic pelagic eggs plaice protoplasm quantity records for Station Report ripe river salmon SALMON FISHERIES Sept shows six stations species specific gravity specimens stage Station VIII surface TABLE C.-RECORD Tarbert Tarbert Bank Teleosteans Thornback skate total number tow-net gatherings Trawl Witch soles yolk yolk-spherules
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Seite 66 - ... Acts, and empowered thereby " to "make general regulations with respect to the construction and use of cruives," do hereby make the following general regulations with respect to the construction and use of cruives — I. The upper surface of the sill of each cruive shall be not higher than twelve inches above the natural bed of the river where the cruive is placed, and in the event of the sill being placed any higher than the natural bed of the river there must be a paved floor or apron to it...
Seite 60 - Water that can reasonably be prevented shall run through the Dam ; but all Water not taken into the Lade for the Use of the Mills or other lawful Purpose shall be made to flow over the Dam as fully as may be practicable. 2. There shall be a Sluice or Sluices at the Intake of every Mill Lade. No Water shall, with the Exception herein-after stated, be allowed to enter any Mill Lade beyond the Quantity required for the Use of the Water Wheel or Wheels of any One Fall on that Lade, or for other lawful...
Seite 61 - ... Grating shall be placed and constantly kept across the lower End of each Tail Lade at its Entrance into the Main River. NOTE. — To prevent any Obstruction to the Flow of the Water by the Hecks or Gratings in the Lades, it is recommended that the Lade should be increased in Width where the Hecks are placed, and that the Heck, instead of being in a straight Line across, should be curved or pointed up or down Stream, and thereby increased in Length, so that the aggregate of the Openings between...
Seite 65 - ... every district : (6) To make general regulations with respect to the following matters ; viz., the due observance of the weekly close time : The construction and use of cruives : The construction and alteration of mill dams, or lades, or water wheels so as to afford a reasonable means for the passage of salmon. The meshes of nets (so that they shall not intercept smolts or salmon fry) : Obstructions in rivers or estuaries to the passage of salmon : Provided, that such regulations shall not interfere...
Seite 66 - ... it shall be lawful to place a canvas cloth or a wooden blind or blinds over the heck or hecks of a cruive whilst the fish are being taken out of it, provided such cloth, blind, or blinds be not applied longer than fifteen minutes at a time, or oftener than six times in the course of twenty-four hours, and that when there are more cruives than one at the same dam only one cruive shall be covered by the cloth or blinds at the same time. VIII. No cruive shall be so constructed, inclosed, roofed,...
Seite 61 - ... practicable. At the option of the millers or manufacturers, this provision may be carried out either by shutting the sluice or sluices at the intake of the lade, or by raising the banks of the lade to a height that will prevent an overflow of water from the lade when the sluice at the wheel and the bye-wash sluice herein-after mentioned are both kept shut. Provided always that the said byelaw shall not apply to millers or manufacturers when taking measures necessary for the protection of their...
Seite 66 - ... the annual and weekly close times. II. No cruive shall be less at any part of it than four feet broad in the clear : Provided, that where an upright post is used to support the cruive, thereby dividing the width into two parts, the aggregate width exclusive of such post shall not be less than four feet. III. The hecks or rails and inscales shall be capable of being removed from the cruive, and shall be removed during the annual close time. During the weekly close time the hecks or rails shall...
Seite 66 - ... inches in breadth of the whole thickness of two inches shall remain in the side of the hecks or rails in the up and down way of the stream. V. The bars of the inscales shall not be of larger dimensions than those of the hecks or rails, and they shall not be less than two inches apart. VI. Each side or half of the inscales shall not be less than three feet long for a cruive four feet wide in the clear, and shall be longer in the same proportion to any additional width of cruive. They shall be...
Seite 66 - ... inches apart. VI. Each side or half of the inscales shall not be less than three feet long for a cruive four feet wide in the clear, and shall be longer in the same proportion to any additional width of cruive. They shall be constructed so that the up stream ends cannot and shall not at any time approach nearer to each other than five inches.
Seite 61 - ... shut. Provided always that the said byelaw shall not apply to millers or manufacturers when taking measures necessary for the protection of their premises during heavy floods, or when rivers are cumbered with ice, or while necessary repairs are being executed on any emergency ; provided that nothing be omitted or done unnecessarily to defeat the objects of this byelaw. Furthermore, in all cases when the intake sluice is more than 300 yards from the water wheel, it shall not be imperative to shut...