Lichen 40 and 24
These lichens are extremely slow growing and their lifespan is unknown. A long-term study is underway to photographically document a group of marked lichens at this site. Photogrammetry is being used to generate quantitative data to describe rates of establishment, growth, dieback, mortality and suc...
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Online Access: | http://hdl.handle.net/10464/11535 |
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ftbrockuniv:oai:dr.library.brocku.ca:10464/11535 2023-07-16T03:58:36+02:00 Lichen 40 and 24 McCarthy, Daniel 2017-03-22T16:27:50Z http://hdl.handle.net/10464/11535 en eng http://hdl.handle.net/10464/11535 Rhizocarpon geographicum lichenometry lichen photogrammetry Illecillewaet Glacier direct measurement of lichen growth lichen growth lichen mortality repeat photography lichenometric dating Image 2017 ftbrockuniv 2023-06-27T22:09:36Z These lichens are extremely slow growing and their lifespan is unknown. A long-term study is underway to photographically document a group of marked lichens at this site. Photogrammetry is being used to generate quantitative data to describe rates of establishment, growth, dieback, mortality and succession. The hope is that this information may lead to improvements in the lichenometric dating method. Lichenometric dating has often used spurious assumptions about lichen growth and ecology to “indirectly calibrate” growth rates that can be used to estimate the size-age of lichen colonized surfaces. If you wish to assist in this research, please contact D. P. McCarthy at the Dept. of Earth Sciences, Brock University, St. Catharines ON. Canada. Repeated photographs of Rhizocarpon geographicum agg. lichens #40 and 24 on quartzite rocks at the Illecillewaet Glacier, BC, Canada show changes that occurred between 1996 and 2014. Still Image glacier* Brock University Digital Repository Canada McCarthy ENVELOPE(66.543,66.543,-70.404,-70.404) |
institution |
Open Polar |
collection |
Brock University Digital Repository |
op_collection_id |
ftbrockuniv |
language |
English |
topic |
Rhizocarpon geographicum lichenometry lichen photogrammetry Illecillewaet Glacier direct measurement of lichen growth lichen growth lichen mortality repeat photography lichenometric dating |
spellingShingle |
Rhizocarpon geographicum lichenometry lichen photogrammetry Illecillewaet Glacier direct measurement of lichen growth lichen growth lichen mortality repeat photography lichenometric dating McCarthy, Daniel Lichen 40 and 24 |
topic_facet |
Rhizocarpon geographicum lichenometry lichen photogrammetry Illecillewaet Glacier direct measurement of lichen growth lichen growth lichen mortality repeat photography lichenometric dating |
description |
These lichens are extremely slow growing and their lifespan is unknown. A long-term study is underway to photographically document a group of marked lichens at this site. Photogrammetry is being used to generate quantitative data to describe rates of establishment, growth, dieback, mortality and succession. The hope is that this information may lead to improvements in the lichenometric dating method. Lichenometric dating has often used spurious assumptions about lichen growth and ecology to “indirectly calibrate” growth rates that can be used to estimate the size-age of lichen colonized surfaces. If you wish to assist in this research, please contact D. P. McCarthy at the Dept. of Earth Sciences, Brock University, St. Catharines ON. Canada. Repeated photographs of Rhizocarpon geographicum agg. lichens #40 and 24 on quartzite rocks at the Illecillewaet Glacier, BC, Canada show changes that occurred between 1996 and 2014. |
format |
Still Image |
author |
McCarthy, Daniel |
author_facet |
McCarthy, Daniel |
author_sort |
McCarthy, Daniel |
title |
Lichen 40 and 24 |
title_short |
Lichen 40 and 24 |
title_full |
Lichen 40 and 24 |
title_fullStr |
Lichen 40 and 24 |
title_full_unstemmed |
Lichen 40 and 24 |
title_sort |
lichen 40 and 24 |
publishDate |
2017 |
url |
http://hdl.handle.net/10464/11535 |
long_lat |
ENVELOPE(66.543,66.543,-70.404,-70.404) |
geographic |
Canada McCarthy |
geographic_facet |
Canada McCarthy |
genre |
glacier* |
genre_facet |
glacier* |
op_relation |
http://hdl.handle.net/10464/11535 |
_version_ |
1771545767139344384 |