from Needle Production in Pinus sylvestris at the Northern Timberline: a Tool for Evaluating Palaeoclimate
needle production in Pinus sylvestris at the northern timberline: a tool for evaluating palaeo-climate reconstructions. Silva Fennica 42(4): 499–513. Annual needle production (PROD) of Scots pine (Pinus sylvestris L.) and pine pollen accumu-lation rates (PAR) are compared along a 5-site transect fro...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.555.6434 2023-05-15T15:09:25+02:00 from Needle Production in Pinus sylvestris at the Northern Timberline: a Tool for Evaluating Palaeoclimate Risto Jalkanen Sheila Hicks Tarmo Aalto Hannu Salminen The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.555.6434 http://www.metla.fi/silvafennica/full/sf42/sf424499.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.555.6434 http://www.metla.fi/silvafennica/full/sf42/sf424499.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.metla.fi/silvafennica/full/sf42/sf424499.pdf annual resolution needle trace method NTM pollen accu- mulation rate Scots pine temperature reconstruction tree line text ftciteseerx 2016-01-08T11:45:49Z needle production in Pinus sylvestris at the northern timberline: a tool for evaluating palaeo-climate reconstructions. Silva Fennica 42(4): 499–513. Annual needle production (PROD) of Scots pine (Pinus sylvestris L.) and pine pollen accumu-lation rates (PAR) are compared along a 5-site transect from the Arctic Circle to the northern timberline. PROD is calculated using the Needle Trace Method (NTM). PAR is monitored by two series of pollen traps, located in the centres of mires and within forests, respectively. There is a strong year-to-year agreement in PAR and PROD between the sites for the common 19-year period for which both proxies are available. Mean July temperature of the previous year (TJUL–1) correlates statistically significantly with PROD at all five sites and with PAR in the four northernmost sites. There is also a significant relationship between TJUN–1 and PROD at all sites, and TJUN and PAR at the two northernmost sites. PROD and PAR correlate most strongly in the three near tree line sites, where PROD explains up to 51 % of the variation in PAR. On the basis of the calibration between PROD, PAR and TJUL–1, PROD and TJUL–1 are used to reconstruct past PAR. That such a reconstruction is realistic is supported by its agreement with the pollen record for 1982–2000 and with records of male flowering for the Text Arctic Unknown Arctic The Needle ENVELOPE(-64.047,-64.047,63.267,63.267) |
institution |
Open Polar |
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Unknown |
op_collection_id |
ftciteseerx |
language |
English |
topic |
annual resolution needle trace method NTM pollen accu- mulation rate Scots pine temperature reconstruction tree line |
spellingShingle |
annual resolution needle trace method NTM pollen accu- mulation rate Scots pine temperature reconstruction tree line Risto Jalkanen Sheila Hicks Tarmo Aalto Hannu Salminen from Needle Production in Pinus sylvestris at the Northern Timberline: a Tool for Evaluating Palaeoclimate |
topic_facet |
annual resolution needle trace method NTM pollen accu- mulation rate Scots pine temperature reconstruction tree line |
description |
needle production in Pinus sylvestris at the northern timberline: a tool for evaluating palaeo-climate reconstructions. Silva Fennica 42(4): 499–513. Annual needle production (PROD) of Scots pine (Pinus sylvestris L.) and pine pollen accumu-lation rates (PAR) are compared along a 5-site transect from the Arctic Circle to the northern timberline. PROD is calculated using the Needle Trace Method (NTM). PAR is monitored by two series of pollen traps, located in the centres of mires and within forests, respectively. There is a strong year-to-year agreement in PAR and PROD between the sites for the common 19-year period for which both proxies are available. Mean July temperature of the previous year (TJUL–1) correlates statistically significantly with PROD at all five sites and with PAR in the four northernmost sites. There is also a significant relationship between TJUN–1 and PROD at all sites, and TJUN and PAR at the two northernmost sites. PROD and PAR correlate most strongly in the three near tree line sites, where PROD explains up to 51 % of the variation in PAR. On the basis of the calibration between PROD, PAR and TJUL–1, PROD and TJUL–1 are used to reconstruct past PAR. That such a reconstruction is realistic is supported by its agreement with the pollen record for 1982–2000 and with records of male flowering for the |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Risto Jalkanen Sheila Hicks Tarmo Aalto Hannu Salminen |
author_facet |
Risto Jalkanen Sheila Hicks Tarmo Aalto Hannu Salminen |
author_sort |
Risto Jalkanen |
title |
from Needle Production in Pinus sylvestris at the Northern Timberline: a Tool for Evaluating Palaeoclimate |
title_short |
from Needle Production in Pinus sylvestris at the Northern Timberline: a Tool for Evaluating Palaeoclimate |
title_full |
from Needle Production in Pinus sylvestris at the Northern Timberline: a Tool for Evaluating Palaeoclimate |
title_fullStr |
from Needle Production in Pinus sylvestris at the Northern Timberline: a Tool for Evaluating Palaeoclimate |
title_full_unstemmed |
from Needle Production in Pinus sylvestris at the Northern Timberline: a Tool for Evaluating Palaeoclimate |
title_sort |
from needle production in pinus sylvestris at the northern timberline: a tool for evaluating palaeoclimate |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.555.6434 http://www.metla.fi/silvafennica/full/sf42/sf424499.pdf |
long_lat |
ENVELOPE(-64.047,-64.047,63.267,63.267) |
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Arctic The Needle |
geographic_facet |
Arctic The Needle |
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Arctic |
genre_facet |
Arctic |
op_source |
http://www.metla.fi/silvafennica/full/sf42/sf424499.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.555.6434 http://www.metla.fi/silvafennica/full/sf42/sf424499.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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