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Will snow and winter conditions kill ticks?
Two studies (at different sites) in NY showed that more than 80% of ticks survived regardless of winter conditions.
From the Poughkeepsie Journal
From the Poughkeepsie Journal
The fly in my ointment about Bb in king penguins is it was antibodies not the actual ticks. (Although that wasn't investigated in that article)
Ixodes uriae are actually found living in the Antarctic (not just antibodies for it).
Not the same as---- but if them, why not other Ixodes? Just wondering.
Ixodes uriae are actually found living in the Antarctic (not just antibodies for it).
Not the same as---- but if them, why not other Ixodes? Just wondering.
lyme brain for both of us,-
This article is talking about sub-antarctic, not to sub-arctic (north).
If the ticks had sweaters and blood bars to hang out at, they might leave the poor penguins alone.
This article is talking about sub-antarctic, not to sub-arctic (north).
If the ticks had sweaters and blood bars to hang out at, they might leave the poor penguins alone.
Well, but Sub- arctic areas (note: sub) are not always that cold. Northern US actually has lower low temps.
Wiki: "The Crozet islands have an oceanic climate and some areas are a temperate rainforest. Precipitation is high, with over 2,000 mm (78.7 in) per year. It rains on average 300 days a year, and winds exceeding 100 km/h (60 mph) occur on 100 days a year. The temperatures may rise to 18 °C (64.4 °F) in summer and rarely go below −5 °C (23 °F) even in winter.
The islands are part of the Southern Indian Ocean Islands tundra ecoregion that includes several subantarctic islands. In this cold climate plant life is mainly limited to grasses, mosses and lichens, while the main animals are insects along with large populations of seabirds, seals and penguins."
Still though, it mentions a certain sea bird tick as the lyme carrier. Its around the globe more than we thought.
Wiki: "The Crozet islands have an oceanic climate and some areas are a temperate rainforest. Precipitation is high, with over 2,000 mm (78.7 in) per year. It rains on average 300 days a year, and winds exceeding 100 km/h (60 mph) occur on 100 days a year. The temperatures may rise to 18 °C (64.4 °F) in summer and rarely go below −5 °C (23 °F) even in winter.
The islands are part of the Southern Indian Ocean Islands tundra ecoregion that includes several subantarctic islands. In this cold climate plant life is mainly limited to grasses, mosses and lichens, while the main animals are insects along with large populations of seabirds, seals and penguins."
Still though, it mentions a certain sea bird tick as the lyme carrier. Its around the globe more than we thought.
Prevalence of Borrelia burgorferi (the Lyme disease agent) antibodies in king penguin [...] in Crozel Archipelago.
http://link.springer.com/article/10.1007%2Fs003000050402#page-2
(That in the subarctic!)
In MN on a warm March day (above 35 F) with sun, ticks can be seen to creep above the melting snow cover in brushy areas. Late Dec, Jan and Feb, they mostly stay below the snow in leaf clutter - surviving.
The tick infection report map of MN shows a lot less reported infections in the northern 1/4 of the state. This is also, on average, the coldest part of the lower 48 states in the US. However this is also the least populated part of MN, so naturally there will be less reported infections.
The U of M has studied the kill off of the emerald ash tree borer this year. This beetle dies under the bark at -29 F. So there will be less of this pest in north MN this year killing our ash trees, as -29 F happens more than a few times up there. I have not seen a study on ticks in the cold. This is the coldest up here since '96, so its a perfect time to study tick populations. There is also the factor of snow depth due to is insulation properties above the leaf clutter. It is cold this year with deep snow.
Our dying moose population in the northern 1/4 of MN, are found covered with much more ticks than noted in studies from the 90's. Some moose have so many ticks in the winter that they get weak and dye from red anemia or they freeze from rubbing off their coat on trees to rid the ticks - in addition to the moose brain disease. They dont think moose actually get lyme disease, but carry the deer ticks just like the overpopulated whitetail deer.
Fact, there are higher populations of ticks than in the past.
The tick infection report map of MN shows a lot less reported infections in the northern 1/4 of the state. This is also, on average, the coldest part of the lower 48 states in the US. However this is also the least populated part of MN, so naturally there will be less reported infections.
The U of M has studied the kill off of the emerald ash tree borer this year. This beetle dies under the bark at -29 F. So there will be less of this pest in north MN this year killing our ash trees, as -29 F happens more than a few times up there. I have not seen a study on ticks in the cold. This is the coldest up here since '96, so its a perfect time to study tick populations. There is also the factor of snow depth due to is insulation properties above the leaf clutter. It is cold this year with deep snow.
Our dying moose population in the northern 1/4 of MN, are found covered with much more ticks than noted in studies from the 90's. Some moose have so many ticks in the winter that they get weak and dye from red anemia or they freeze from rubbing off their coat on trees to rid the ticks - in addition to the moose brain disease. They dont think moose actually get lyme disease, but carry the deer ticks just like the overpopulated whitetail deer.
Fact, there are higher populations of ticks than in the past.
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