When no pollen does not mean no trees
Abstract The question of what signal, if any, appears in the pollen record when trees are present in the vegetation without producing pollen or with no pollen being recorded, is addressed. Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the tre...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Hicks, Sheila [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2006 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag 2006 |
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| Übergeordnetes Werk: |
Enthalten in: Vegetation history and archaeobotany - Berlin : Springer, 1992, 15(2006), 4 vom: 27. Juli, Seite 253-261 |
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| Übergeordnetes Werk: |
volume:15 ; year:2006 ; number:4 ; day:27 ; month:07 ; pages:253-261 |
| Links: |
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| DOI / URN: |
10.1007/s00334-006-0063-9 |
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SPR004116585 |
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| 520 | |a Abstract The question of what signal, if any, appears in the pollen record when trees are present in the vegetation without producing pollen or with no pollen being recorded, is addressed. Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the trees are too young to produce pollen, (iii) climate conditions are unfavourable for the trees to produce pollen and (iv) the trees are cut or damaged so that they do not flower. Each of these is considered in terms of pollen accumulation rates (PARs) and present theories and models of pollen dispersal. Examples are provided for the forest limit areas of the northern boreal trees in Finnish Lapland using data of pollen deposition monitored by pollen traps and results from the high temporal resolution (near annual) analyses of peat profiles. The relevance of the results to questions such as finds of spruce macrofossils in the Swedish mountains, the 8200 cal b.p. cold event, the migration of species/vegetation succession, and widespread damage to trees are all considered. It is concluded that although these situations are sometimes ‘invisible’ or misrepresented when pollen assemblages are expressed in the traditional percentage manner, they are often revealed by PARs. The fact that the pollen assemblage reflects a much wider regional area than is often understood can strengthen signals which have a regional impact, such as those which are climate induced, but may obscure events which affect only a limited spatial area or occur as small patches in the landscape. | ||
| 650 | 4 | |a Pollen accumulation rates |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Boreal forest |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a 8200 |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a event |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Pollen dispersal model |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Regional |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a High resolution |7 (dpeaa)DE-He213 | |
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10.1007/s00334-006-0063-9 doi (DE-627)SPR004116585 (SPR)s00334-006-0063-9-e DE-627 ger DE-627 rakwb eng Hicks, Sheila verfasserin aut When no pollen does not mean no trees 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2006 Abstract The question of what signal, if any, appears in the pollen record when trees are present in the vegetation without producing pollen or with no pollen being recorded, is addressed. Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the trees are too young to produce pollen, (iii) climate conditions are unfavourable for the trees to produce pollen and (iv) the trees are cut or damaged so that they do not flower. Each of these is considered in terms of pollen accumulation rates (PARs) and present theories and models of pollen dispersal. Examples are provided for the forest limit areas of the northern boreal trees in Finnish Lapland using data of pollen deposition monitored by pollen traps and results from the high temporal resolution (near annual) analyses of peat profiles. The relevance of the results to questions such as finds of spruce macrofossils in the Swedish mountains, the 8200 cal b.p. cold event, the migration of species/vegetation succession, and widespread damage to trees are all considered. It is concluded that although these situations are sometimes ‘invisible’ or misrepresented when pollen assemblages are expressed in the traditional percentage manner, they are often revealed by PARs. The fact that the pollen assemblage reflects a much wider regional area than is often understood can strengthen signals which have a regional impact, such as those which are climate induced, but may obscure events which affect only a limited spatial area or occur as small patches in the landscape. Pollen accumulation rates (dpeaa)DE-He213 Boreal forest (dpeaa)DE-He213 8200 (dpeaa)DE-He213 event (dpeaa)DE-He213 Pollen dispersal model (dpeaa)DE-He213 Regional (dpeaa)DE-He213 High resolution (dpeaa)DE-He213 Enthalten in Vegetation history and archaeobotany Berlin : Springer, 1992 15(2006), 4 vom: 27. Juli, Seite 253-261 (DE-627)300183801 (DE-600)1481434-1 1617-6278 nnns volume:15 year:2006 number:4 day:27 month:07 pages:253-261 https://dx.doi.org/10.1007/s00334-006-0063-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 15 2006 4 27 07 253-261 |
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10.1007/s00334-006-0063-9 doi (DE-627)SPR004116585 (SPR)s00334-006-0063-9-e DE-627 ger DE-627 rakwb eng Hicks, Sheila verfasserin aut When no pollen does not mean no trees 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2006 Abstract The question of what signal, if any, appears in the pollen record when trees are present in the vegetation without producing pollen or with no pollen being recorded, is addressed. Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the trees are too young to produce pollen, (iii) climate conditions are unfavourable for the trees to produce pollen and (iv) the trees are cut or damaged so that they do not flower. Each of these is considered in terms of pollen accumulation rates (PARs) and present theories and models of pollen dispersal. Examples are provided for the forest limit areas of the northern boreal trees in Finnish Lapland using data of pollen deposition monitored by pollen traps and results from the high temporal resolution (near annual) analyses of peat profiles. The relevance of the results to questions such as finds of spruce macrofossils in the Swedish mountains, the 8200 cal b.p. cold event, the migration of species/vegetation succession, and widespread damage to trees are all considered. It is concluded that although these situations are sometimes ‘invisible’ or misrepresented when pollen assemblages are expressed in the traditional percentage manner, they are often revealed by PARs. The fact that the pollen assemblage reflects a much wider regional area than is often understood can strengthen signals which have a regional impact, such as those which are climate induced, but may obscure events which affect only a limited spatial area or occur as small patches in the landscape. Pollen accumulation rates (dpeaa)DE-He213 Boreal forest (dpeaa)DE-He213 8200 (dpeaa)DE-He213 event (dpeaa)DE-He213 Pollen dispersal model (dpeaa)DE-He213 Regional (dpeaa)DE-He213 High resolution (dpeaa)DE-He213 Enthalten in Vegetation history and archaeobotany Berlin : Springer, 1992 15(2006), 4 vom: 27. Juli, Seite 253-261 (DE-627)300183801 (DE-600)1481434-1 1617-6278 nnns volume:15 year:2006 number:4 day:27 month:07 pages:253-261 https://dx.doi.org/10.1007/s00334-006-0063-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 15 2006 4 27 07 253-261 |
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10.1007/s00334-006-0063-9 doi (DE-627)SPR004116585 (SPR)s00334-006-0063-9-e DE-627 ger DE-627 rakwb eng Hicks, Sheila verfasserin aut When no pollen does not mean no trees 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2006 Abstract The question of what signal, if any, appears in the pollen record when trees are present in the vegetation without producing pollen or with no pollen being recorded, is addressed. Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the trees are too young to produce pollen, (iii) climate conditions are unfavourable for the trees to produce pollen and (iv) the trees are cut or damaged so that they do not flower. Each of these is considered in terms of pollen accumulation rates (PARs) and present theories and models of pollen dispersal. Examples are provided for the forest limit areas of the northern boreal trees in Finnish Lapland using data of pollen deposition monitored by pollen traps and results from the high temporal resolution (near annual) analyses of peat profiles. The relevance of the results to questions such as finds of spruce macrofossils in the Swedish mountains, the 8200 cal b.p. cold event, the migration of species/vegetation succession, and widespread damage to trees are all considered. It is concluded that although these situations are sometimes ‘invisible’ or misrepresented when pollen assemblages are expressed in the traditional percentage manner, they are often revealed by PARs. The fact that the pollen assemblage reflects a much wider regional area than is often understood can strengthen signals which have a regional impact, such as those which are climate induced, but may obscure events which affect only a limited spatial area or occur as small patches in the landscape. Pollen accumulation rates (dpeaa)DE-He213 Boreal forest (dpeaa)DE-He213 8200 (dpeaa)DE-He213 event (dpeaa)DE-He213 Pollen dispersal model (dpeaa)DE-He213 Regional (dpeaa)DE-He213 High resolution (dpeaa)DE-He213 Enthalten in Vegetation history and archaeobotany Berlin : Springer, 1992 15(2006), 4 vom: 27. Juli, Seite 253-261 (DE-627)300183801 (DE-600)1481434-1 1617-6278 nnns volume:15 year:2006 number:4 day:27 month:07 pages:253-261 https://dx.doi.org/10.1007/s00334-006-0063-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 15 2006 4 27 07 253-261 |
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10.1007/s00334-006-0063-9 doi (DE-627)SPR004116585 (SPR)s00334-006-0063-9-e DE-627 ger DE-627 rakwb eng Hicks, Sheila verfasserin aut When no pollen does not mean no trees 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2006 Abstract The question of what signal, if any, appears in the pollen record when trees are present in the vegetation without producing pollen or with no pollen being recorded, is addressed. Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the trees are too young to produce pollen, (iii) climate conditions are unfavourable for the trees to produce pollen and (iv) the trees are cut or damaged so that they do not flower. Each of these is considered in terms of pollen accumulation rates (PARs) and present theories and models of pollen dispersal. Examples are provided for the forest limit areas of the northern boreal trees in Finnish Lapland using data of pollen deposition monitored by pollen traps and results from the high temporal resolution (near annual) analyses of peat profiles. The relevance of the results to questions such as finds of spruce macrofossils in the Swedish mountains, the 8200 cal b.p. cold event, the migration of species/vegetation succession, and widespread damage to trees are all considered. It is concluded that although these situations are sometimes ‘invisible’ or misrepresented when pollen assemblages are expressed in the traditional percentage manner, they are often revealed by PARs. The fact that the pollen assemblage reflects a much wider regional area than is often understood can strengthen signals which have a regional impact, such as those which are climate induced, but may obscure events which affect only a limited spatial area or occur as small patches in the landscape. Pollen accumulation rates (dpeaa)DE-He213 Boreal forest (dpeaa)DE-He213 8200 (dpeaa)DE-He213 event (dpeaa)DE-He213 Pollen dispersal model (dpeaa)DE-He213 Regional (dpeaa)DE-He213 High resolution (dpeaa)DE-He213 Enthalten in Vegetation history and archaeobotany Berlin : Springer, 1992 15(2006), 4 vom: 27. Juli, Seite 253-261 (DE-627)300183801 (DE-600)1481434-1 1617-6278 nnns volume:15 year:2006 number:4 day:27 month:07 pages:253-261 https://dx.doi.org/10.1007/s00334-006-0063-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 15 2006 4 27 07 253-261 |
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10.1007/s00334-006-0063-9 doi (DE-627)SPR004116585 (SPR)s00334-006-0063-9-e DE-627 ger DE-627 rakwb eng Hicks, Sheila verfasserin aut When no pollen does not mean no trees 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag 2006 Abstract The question of what signal, if any, appears in the pollen record when trees are present in the vegetation without producing pollen or with no pollen being recorded, is addressed. Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the trees are too young to produce pollen, (iii) climate conditions are unfavourable for the trees to produce pollen and (iv) the trees are cut or damaged so that they do not flower. Each of these is considered in terms of pollen accumulation rates (PARs) and present theories and models of pollen dispersal. Examples are provided for the forest limit areas of the northern boreal trees in Finnish Lapland using data of pollen deposition monitored by pollen traps and results from the high temporal resolution (near annual) analyses of peat profiles. The relevance of the results to questions such as finds of spruce macrofossils in the Swedish mountains, the 8200 cal b.p. cold event, the migration of species/vegetation succession, and widespread damage to trees are all considered. It is concluded that although these situations are sometimes ‘invisible’ or misrepresented when pollen assemblages are expressed in the traditional percentage manner, they are often revealed by PARs. The fact that the pollen assemblage reflects a much wider regional area than is often understood can strengthen signals which have a regional impact, such as those which are climate induced, but may obscure events which affect only a limited spatial area or occur as small patches in the landscape. Pollen accumulation rates (dpeaa)DE-He213 Boreal forest (dpeaa)DE-He213 8200 (dpeaa)DE-He213 event (dpeaa)DE-He213 Pollen dispersal model (dpeaa)DE-He213 Regional (dpeaa)DE-He213 High resolution (dpeaa)DE-He213 Enthalten in Vegetation history and archaeobotany Berlin : Springer, 1992 15(2006), 4 vom: 27. Juli, Seite 253-261 (DE-627)300183801 (DE-600)1481434-1 1617-6278 nnns volume:15 year:2006 number:4 day:27 month:07 pages:253-261 https://dx.doi.org/10.1007/s00334-006-0063-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 AR 15 2006 4 27 07 253-261 |
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Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the trees are too young to produce pollen, (iii) climate conditions are unfavourable for the trees to produce pollen and (iv) the trees are cut or damaged so that they do not flower. Each of these is considered in terms of pollen accumulation rates (PARs) and present theories and models of pollen dispersal. Examples are provided for the forest limit areas of the northern boreal trees in Finnish Lapland using data of pollen deposition monitored by pollen traps and results from the high temporal resolution (near annual) analyses of peat profiles. The relevance of the results to questions such as finds of spruce macrofossils in the Swedish mountains, the 8200 cal b.p. cold event, the migration of species/vegetation succession, and widespread damage to trees are all considered. 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Hicks, Sheila |
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Hicks, Sheila misc Pollen accumulation rates misc Boreal forest misc 8200 misc event misc Pollen dispersal model misc Regional misc High resolution When no pollen does not mean no trees |
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When no pollen does not mean no trees Pollen accumulation rates (dpeaa)DE-He213 Boreal forest (dpeaa)DE-He213 8200 (dpeaa)DE-He213 event (dpeaa)DE-He213 Pollen dispersal model (dpeaa)DE-He213 Regional (dpeaa)DE-He213 High resolution (dpeaa)DE-He213 |
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When no pollen does not mean no trees |
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when no pollen does not mean no trees |
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When no pollen does not mean no trees |
| abstract |
Abstract The question of what signal, if any, appears in the pollen record when trees are present in the vegetation without producing pollen or with no pollen being recorded, is addressed. Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the trees are too young to produce pollen, (iii) climate conditions are unfavourable for the trees to produce pollen and (iv) the trees are cut or damaged so that they do not flower. Each of these is considered in terms of pollen accumulation rates (PARs) and present theories and models of pollen dispersal. Examples are provided for the forest limit areas of the northern boreal trees in Finnish Lapland using data of pollen deposition monitored by pollen traps and results from the high temporal resolution (near annual) analyses of peat profiles. The relevance of the results to questions such as finds of spruce macrofossils in the Swedish mountains, the 8200 cal b.p. cold event, the migration of species/vegetation succession, and widespread damage to trees are all considered. It is concluded that although these situations are sometimes ‘invisible’ or misrepresented when pollen assemblages are expressed in the traditional percentage manner, they are often revealed by PARs. The fact that the pollen assemblage reflects a much wider regional area than is often understood can strengthen signals which have a regional impact, such as those which are climate induced, but may obscure events which affect only a limited spatial area or occur as small patches in the landscape. © Springer-Verlag 2006 |
| abstractGer |
Abstract The question of what signal, if any, appears in the pollen record when trees are present in the vegetation without producing pollen or with no pollen being recorded, is addressed. Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the trees are too young to produce pollen, (iii) climate conditions are unfavourable for the trees to produce pollen and (iv) the trees are cut or damaged so that they do not flower. Each of these is considered in terms of pollen accumulation rates (PARs) and present theories and models of pollen dispersal. Examples are provided for the forest limit areas of the northern boreal trees in Finnish Lapland using data of pollen deposition monitored by pollen traps and results from the high temporal resolution (near annual) analyses of peat profiles. The relevance of the results to questions such as finds of spruce macrofossils in the Swedish mountains, the 8200 cal b.p. cold event, the migration of species/vegetation succession, and widespread damage to trees are all considered. It is concluded that although these situations are sometimes ‘invisible’ or misrepresented when pollen assemblages are expressed in the traditional percentage manner, they are often revealed by PARs. The fact that the pollen assemblage reflects a much wider regional area than is often understood can strengthen signals which have a regional impact, such as those which are climate induced, but may obscure events which affect only a limited spatial area or occur as small patches in the landscape. © Springer-Verlag 2006 |
| abstract_unstemmed |
Abstract The question of what signal, if any, appears in the pollen record when trees are present in the vegetation without producing pollen or with no pollen being recorded, is addressed. Four scenarios are envisaged: (i) the number of trees in the landscape are very few and scattered, (ii) the trees are too young to produce pollen, (iii) climate conditions are unfavourable for the trees to produce pollen and (iv) the trees are cut or damaged so that they do not flower. Each of these is considered in terms of pollen accumulation rates (PARs) and present theories and models of pollen dispersal. Examples are provided for the forest limit areas of the northern boreal trees in Finnish Lapland using data of pollen deposition monitored by pollen traps and results from the high temporal resolution (near annual) analyses of peat profiles. The relevance of the results to questions such as finds of spruce macrofossils in the Swedish mountains, the 8200 cal b.p. cold event, the migration of species/vegetation succession, and widespread damage to trees are all considered. It is concluded that although these situations are sometimes ‘invisible’ or misrepresented when pollen assemblages are expressed in the traditional percentage manner, they are often revealed by PARs. The fact that the pollen assemblage reflects a much wider regional area than is often understood can strengthen signals which have a regional impact, such as those which are climate induced, but may obscure events which affect only a limited spatial area or occur as small patches in the landscape. © Springer-Verlag 2006 |
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When no pollen does not mean no trees |
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https://dx.doi.org/10.1007/s00334-006-0063-9 |
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10.1007/s00334-006-0063-9 |
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2024-07-03T23:41:37.859Z |
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| score |
7.39777 |