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7

As gerrit notes, swimming in lakes is common in Scandinavia, and there's not a lot of fauna in them that could even potentially be harmful. Some lakes in southern Sweden apparently do have leeches, which can attach themselves to exposed human skin or, in some cases, to the insides of body cavities. If you were planning to swim in a leech-infested lake (a ...


7

Swimming is a popular summer pas-time in Sweden and Finland. In rural areas, it's still common for schools to have swimming lessons outside, in lakes. I'm pretty sure there's no risk from fauna in Swedish lakes. If you go too far north, you could risk hypothermia ;).


6

The topics of navigation and cartography are two sides of the same coin, and there are entire books written about each. It is interesting to study the history of cartography because it very graphically shows the corresponding improvements in navigation over time. In order to make an accurate map, you need to know first where you are making your ...


2

I'd go with the 3 Mepps style lures, and the two spoons at the bottom left of the pic. They'll make more noise and vibrations than the others. The others looks to me to be fast retrieve lures which may certainly attract fish, but if the water is murky may be too fast for the fish to reliably catch up to.


2

After having a look on Google I found that yes you can use a pull buoy out in open water, and that they are often used in Triathlons to help the swimmer as they will often be very tired at this point and can allow their legs to rest between the bicycle stint and the running stint. This is as they are designed to improve your pull, leaving your legs to 'drag' ...


1

Disregarding floating devices altogether (because they can easily be abandoned if needed), where and when you decide to swim in tidal waters should entirely depend on expertise of those waters. Currents are local phenomenon which do not necessarily replicate themselves from one place to another because the number of variables that lead to a predictable ...


1

Start at the edge and work your way out. The ice will usually be thinnest where the water flows INTO to pond or lake, and will be thickest close to the tail. That's because the ice is being pushed that way. Take samples as you work your way out onto the ice to continue to measure the thickness.


1

One of the primary techniques is the use of Dead Reckoning although the secrets of long distance Polynesian maritime navigation still remain a mystery despite huge evidence of their wayfinding ability. The easiest way for maritime navigators to map locations was to build on the predecessors knowledge through the use of the Periplus. It served the same ...



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