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  • Stillwaters, cont'd / Hornberg fly / Thermoclines



    Walter & Group...

    Description of a fascinating stillwater fishery by Peter Morse :

    Gordy and group, I just returned from a week or so in Tasmania which 
    has many great still water fisheries. The variety of these fisheries 
    means it would take a lifetime to experience them all let alone master 
    them. Here are some of the techniques they use there.

    Polaroiding - like bonefishing but for trout and was first developed 
    by a guy calle John Pillbrick back in the 60's when everyone was just 
    stripping wet flies. Usually involves searching the margins of the 
    lakes on blue sky days. Many of the back country tarns are very 
    shallow and often have sandy bays. the fish get in and cruise these 
    bays and the shallow silty edges. Early in the morning in many waters, 
    especially in spring the fish get in to such shallow water their backs 
    and tails are exposed. On good frosty mornings you might have a dozen 
    fish within casting range all cruising in only inches of water. I 
    recently saw a trout tailing furiously like a bonefish trying to dig 
    out a crab, and of course there's also all kinds of very subtle 
    tailing forms. Very difficult fishing. We usually use a stick caddis 
    or a scud pattern suspended a few inches under a dry (red tag or 
    caddis pattern).

    In summer the the mayflies hatch and on some waters these hatches can 
    be prodigious.  Duns and spinners are scoffed down by fish and you 
    either cast to rising fish but often its to sighted cruisers. In the 
    big lakes the best dun hatches happen on overcast days and the fishing 
    is mostly from boats.

    In the big waters wind lane fishing is a huge part of the fishery. 
    This is especially good when the "gum beetles" take to the air. these 
    feed on the leaves and sap of the eucalypt trees and on warm days they 
    fall onto the water in their millions sometimes forming rafts. The 
    fish do become "beetled out" but early on they just love 'em. Wind 
    lanes are phenomenon that cause food and surface debris to be focused 
    into slicks and the fish cruise these. well before the main wind lane 
    season had begun we had a few warm days and went looking. In one slick 
    about 500 meters long we must have seen over 100 fish - browns and 
    rainbows up sipping but they were certainly cautious and long casts 
    were necessary. On some lakes midges are the prime food source and on 
    one lake, Burbury, the locals tell me that by 10 in the morning there 
    are shoals of rainbows up on top in 100 feet of water sipping midges 
    but you can't get within 100 feet of them they are so spooky. At first 
    light and for the first few hours of the morning they are quite 
    catchable but the difficulty rises my the minute. A good morning 
    there, on a boat with 3 good anglers is 60 fish - these are wild 
    rainbows.

    I think windlane fishing in lakes is very underexplored on 
    many stillwaters. Someone explained the science of windlane formation 
    to me but I wouldn't attempt to re-explain it here - perhaps someone 
    else can.

    Also in summer, especially on the Great Lake, they have what has 
    become known as the "shark fishing". Out in mid water on blue sky days 
    with a good wind chop on top, big browns - 3-5 lbs can be sighted 
    cruising through the waves and they will readily eat a dry fly, 
    usually a hopper, beetle, or cicada pattern. The browns glow in the 
    water like a bar of gold and often you can see them from 100 feet away 
    to intercept them. Electric motors are your best friend on these waters.

    Traditional loch style techniques are used on overcast days. Contrary 
    to most views the most favoured days on Tasmanian trout waters are 
    bright, wind is not so critical because if its calm you fish the edges 
    or look for rising fish out in mid water, if its windy you look for 
    windlanes or cruisers, if its dull you fish blind loch style or look 
    for rising fish.

    Peter

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    Peter :  I placed your picture of a beautiful Tassy brown with lots of bright gold coloration in an attachment.  No wonder you can spot them at a distance on a sunny day !  You have informed me that the word "Tassy" is short for Tasmania.

    Re. your description of windlane fishing :   Windlanes or "scum lines" are found usually in shallow still waters including lakes and salt water bays.

    Scientists relate their formation to the combination of wind, flotsam and the Coriolis effect of the Earth's rotation.  Interesting that they are almost always at 45 degrees to the direction of the wind.  The floating debris contains nutrients and harbors forage organisms which in turn attract fish.  Along these lines one can see white foam when it is very windy. Beneath the lines of foam and spindrift, there are said to be local circular and spiral currents at and just below the surface rotating in opposite directions.  This is probably what holds the flotsam in line.  These spiral currents are called "Langmuir spirals".

    Some of the scientific Oceanographic papers on the subject make for heavy reading.

    Coriolis effect:  Physics - An apparent deflection of moving objects when viewed from a rotating reference frame rather than a classic Newtonian inertial frame of reference.

    An easy to read description of this phenomenon can be found on pp. 76-77 of Gary Borger's PRESENTATION.

    Gordy

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    From Paul Arden :

    Hi Gordy, there's a fairly extensive stillwater section on SL.

    http://www.sexyloops.com/stillwater/index.shtml

    It was written a long time ago in '96. Not much has changed, just the

    use of blobs (round colourful egg-like attractor flies - which I don't

    fish because it doesn't excite me), the "washing line", which is

    buzzers on the droppers and a booby on the point with an intermediate,

    and there are a much wider availability of synthetics.

    This is how I started FF, like most people in the UK I guess. I spent

    all my school holidays fishing one particular reservoir - Ardleigh -

    as well as weekends, and a non inconsiderable number of afternoons

    when I should have been at school! When I was 16 I started working in

    the fishing lodge. That's how I got into instruction, when I was 25 I

    was teaching people to fish on the reservoir and casting followed from

    there.

    A more general, and yet excellent read, is

    http://www.sexyloops.com/sparton/stillwaters1.shtml

    Steve Parton is one of FF's pioneers, he wrote an excellent book

    called "Boat fishing for trout" - OK his titles are about as

    imaginative as mine.

    The UK stillwater scene is much better now that it was a decade ago.

    Most of the major fisheries have embraced the concept of C&R.

    Consequently there are more grown on and overwintered fish, and they

    appear more inclined to feed top-of-the-water, which is great!

    Cheers, Paul

     

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                                                                    HORNBERG FLY

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    Followup on the Hornberg fly a picture of which was sent by Bob Tabbert :

    Gordy, Frank Hornberg was a Wisconsin DNR warden who back in the 30's first tied his 'Hornberg' streamer for fishing native brook trout in streams and ponds in the Stevens Point/Antigo area of north central Wisconsin. Bob

    Robert L. Tabbert
    Conservation, Fly Fishing, Exploration

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                                                                        THERMOCLINES

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    From Walter Simberski :

    Hi Gordy,
     
    Don's remarks on thermoclines and the hypolimnion is interesting because I am just reading a book on Flyfishing Tailwaters
    by Dorsey and how the runoff from reservoirs affects the tailwaters. In essence tailwater fisheries tend to have relatively stable
    temperatures throughout the year leading to some pretty impressive trout fishing. I can tell you that that is definitely the
    case in Alberta.
     
    Cheers
     
    Walter

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    Walter...   As you probably know, finding the deep water thermoclines out in the Ocean is important to the commercial swordfishermen, too.    G.

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