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| Titel |
The impact of global change on Bosnian pine (P. heldreichii and P. heldreichii var. leucodermis) from SE-Europe as inferred from stable carbon and oxygen isotopes |
| VerfasserIn |
Gerhard Helle, Thomas Wieloch, Karsten Grunewald, Luigi Todaro, Antonio Saracino |
| Konferenz |
EGU General Assembly 2010
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 12 (2010) |
| Datensatznummer |
250033031
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| Zusammenfassung |
| Pinus heldreichii (var. leucodermis) is widespread in the Balkan peninsula and has some
scattered and isolated populations in Southern Italy (Todaro et al. 2007). We selected two
sites at the western (Italy) and the eastern (Bulgaria) limit of its geographical range
distribution, respectively. The Italian site (39Ë 56‘N, 16Ë 12‘E) is located at the timberline
(2054m a.s.l.) of Monte Pollino in the Serra di Crispo mountain range. The Bulgarian study
site (41Ë 46‘N, 23Ë 25‘E) is situated slightly below the timberline (1900m a.s.l.) of the
northern Pirin mountain range, near Mount Vihren. Both sites are characterized by
shallow rocky soil and carbonate bedrock (limestone and marble). The Italian site is
influenced by humid Mediterranean climate with mean annual temperature at 4Ë C and
1500mm mean annual precipitation. In contrast, the Bulgarian site is located at
in the transition zone between Mediterranean and temperate climate with a mean
annual temperature of 1Ë C and mean annual precipitation of ca. 800mm. We have
compared the site chronologies of δ13C and δ18O between AD1600 and AD2003. We
will present and discuss common variance in year-to-year variations and long-term
variations, as well as response to increasing atmospheric CO2 concentration and climate. |
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