Скачать или смотреть Root-eating rodents kill endangered Florida Torreya at Junaluska NC

2016: First half of 2-part video report of the endangered Torreya taxifolia trees planted at Corneille Bryan Native Garden in 2008. Conclusion: Trees healthy except where rodents eat roots or rhododendrons encroach. Click on timecodes to advance to topics:

00:09 Introduction to 20a by Connie Barlow, with map of "assisted migration" by Torreya Guardians
00:32 Main learning of video 20a: "Rodents are really bad" (they eat the roots)
00:57 Background information: 2008 planting of 10 potted seedings; tally of death by rodents
01:24 "Lucy Braun" Torreya tree: killed by rodents Winter 2015/16
02:09 "Wangari Maathai" Torreya tree: killed by rodents Winter 2015/16
05:55 Bird feeder hypothesis: seasonal overpopulation of voles dooms Torreya roots
06:15 Three seedlings were killed by voles the first winter after planting (2008/09)
07:01 Forest canopy and environs of William Bartram and Rachel Carson torreya trees.
09:08 "William Bartram" Torreya tree: healthy, but suffering denser shade each year
14:24 "Rachel Carson" Torreya tree: healthy, but rhododendrons are encroaching
20:59 "Aldo Leopold" Torreya tree: severe encroachment by rhodies since 2008
21:31 "Aldo Leopold" Torreya tree: seriously injured (leaning) by rodents Winter 2015/16
23:48 context of Aldo Leopold tree (overhanging young red maple; crowded by rhodies)
26:25 Discovery: Yes, there is a bird feeder hanging by seasonally occupied home
28:30 Chart review of status of 5 torreya trees at this public garden in Lake Junaluska NC
28:44 Two final Torreya trees are video-assessed in 2nd half of Junaluska video pair:

"Two biggest Florida Torreya trees still thriving at Junaluska NC in 2016"
   • Two biggest Florida Torreya trees still th...  

More Torreya Guardians videos: http://www.torreyaguardians.org/video...