Alexej Siren

Alexej Siren

Amherst, MA

Department of Interior, Northeast Climate Adaptation Science Center; University of Massachusetts Amherst, Department of Environmental Conservation

PhD. Candidate

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Published on May 29, 2018

Spring 2018 snowshoe hare pellet plot surveys completed!

We began snowshoe hare pellet plot surveys on May 1st and ended on the 24th. It was by far our fastest season! We had plenty of help along the way and were blessed with dry and cool weather. We sur...

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Published on Apr 23, 2018

Our first week back

You might think it's spring until you hike up into the mountains. Sam began the week by checking cameras in the northern Whites and he encountered 145 cm of snow at a couple of our sites. It was so...

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Published on Apr 17, 2018

Cold and snowy start

Happy April 17th!! Just thought we'd let you know that we plan to start checking cameras this week. The weather has been pretty cold and there is still quite a bit of snow on the ground, especially...

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Published on Mar 24, 2018

New sites = more lynx!

We made a big push last fall to increase our sample size of cameras and now have about 250 in New Hampshire and Vermont. One of the main objectives was to increase coverage in the northern part of ...

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Published on Mar 04, 2018

Krummholz and waves for hares?

Snowshoe hares are typically more abundant in young forest dominated by evergreen trees (i.e., needle-like leaves that remain on the tree year round), especially in eastern North America. These for...

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Published on Feb 13, 2018

Snowshoe hare capture and radio-collaring

We started tracking individual snowshoe hares at high and low elevation sites back in the summer of 2016. We wanted to get a better idea of their population size and the reliability of our field me...

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Published on Feb 13, 2018

Counting hares by counting their poop?!

Yes! Many researchers have used the pellet plot method (i.e., counting poop) as a way to evaluate the population size or density of an animal. This approach has been used across the geographic rang...

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Thanks for the great lab note Sam (and for all your hard work)! The pictures do tell the story for sure. Hopefully, this plot won't be your last one. BTW... was this plot id # G107_SFW1_2 or was it an earlier one?
Jun 21, 2018
Bad hare days: What happens when hares lose their invisibility?
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You guys were great! I'll keep you in the loop for sure. Hope work is going well and catch up soon.
May 30, 2018
Bad hare days: What happens when hares lose their invisibility?
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Glad to have your help Ryan. Also, congrats on your new position at NHFG. That's exciting!
May 30, 2018
Bad hare days: What happens when hares lose their invisibility?
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Ah... that's right. Thanks for the reminder!
May 30, 2018
Bad hare days: What happens when hares lose their invisibility?
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Good Evening! We reached our funding goal today! Many thanks to your help along the way. We'll keep you informed of our progress through lab notes. Our first round of fieldwork comes in mid-April. We'll be checking cameras and replacing SD cards. Hopefully we'll have many pictures of snowshoe hares and carnivores! Thanks, Bad hare team
Mar 26, 2018
Bad hare days: What happens when hares lose their invisibility?
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Thanks Jackie! Glad to have your help and support too! Alexej
Mar 25, 2018
Bad hare days: What happens when hares lose their invisibility?
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Thanks Dan! Yes, that's one of my new favorites. Can't wait to check more cameras in mid-April!
Mar 24, 2018
Bad hare days: What happens when hares lose their invisibility?
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Thanks again Alison! We are happy to have your support. Also, means a lot from another hare researcher! Alexej
Mar 12, 2018
Bad hare days: What happens when hares lose their invisibility?
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Thanks Dan, I agree with all your points there. Look forward to getting out sometime this year, hopefully in October! Alexej
Mar 12, 2018
Bad hare days: What happens when hares lose their invisibility?
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Thanks Eileen! Sam will keep you in the loop! Alexej
Mar 12, 2018
Bad hare days: What happens when hares lose their invisibility?
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Thanks Denny! Check out our new lab note about krummholz and spruce-fir wave forests.
Mar 04, 2018
Bad hare days: What happens when hares lose their invisibility?
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Thanks Sean! Much appreciated.
Feb 26, 2018
Bad hare days: What happens when hares lose their invisibility?
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