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Prof. Leif Kullman

Professor of Physical Geography

University of Umea

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Web References (172 Total References)

Breaking News for 2008 [cached]

A favorable climate has produced an upright trunk since the beginning of the 1940's. [1] Photo: Leif Kullman

April 16, 2008; The world's oldest recorded tree is a 9,550 year-old spruce in the Dalarna province of SWEDEN. The spruce tree has shown to be a tenacious survivor that has endured by growing between erect trees and smaller bushes in pace with the dramatic climate changes over time.
For many years the spruce tree has been regarded as a relative newcomer in the Swedish mountain region. "Our results have shown the complete opposite, that the spruce is one of the oldest known trees in the mountain range," says Leif Kullman, Professor of Physical Geography at Umeå University.
"The average increase in temperature during the Summers over the past hundred years has risen by 1 degree C in the mountain areas," explains Leif Kullman.
"My research indicates that spruces have spent winters in places West or Southwest of Norway where the climate was not as harsh in order to later quickly spread northerly along the ice-free coastal strip," says Leif Kullman.
Prof. Leif Kullman, Professor of Physical Geography


Leif Kullman, PhD (Physical geography, plant ecology, landscape ecology), Professor, Physical geography, Department of Ecology and Environmental science, Umeå University, Areas of Specialization: Paleoclimate (Holocene to the present), glaciology, vegetation history, impact of modern climate on the living landscape, Umeå, Sweden

A 9,500-year-old Norwegian Spruce was ... [cached]

A 9,500-year-old Norwegian Spruce was discovered in Sweden by Leif Kullman, professor of Physical Geography at Umeå University. Carbon-14 dating determined the conifer, named "Old Tjikko" after Kullman's Siberian husky in 2004, took root at the end of the last Ice Age. It is located at an altitude of 2,985 feet on Fulufjället Mountain in Dalarna, in central Sweden. "During the ice age, sea level was 120 meters lower than today and much of what is now the North Sea was at that time forest," Professor Kullman said. Winds and low temperatures made Old Tjikko more like "a bonsai tree … big trees cannot get as old as this. The trunk of the tree, which is only 13 feet tall, is estimated to be a few hundred years old, but its root system has been growing for more than 9,550 years. The lone spruce is the planet's longest living identified plant, its incredible longevity due largely to its ability to clone itself, a process called vegetative cloning. "As soon as a stem dies, a new one emerges from the same root stock," Kullman explained.

ILPA - formwork, plastic formwork, 3 ply formworks, shuttering board concrete, lumber core, formwork system, three ply formwork panel, three ply schuttering panels, three layer schuttering panel [cached]

Leif Kullman, botanist at the Umea University based in Sweden has recently dated a red spruce of 8.000 years.

Oldest Living Tree Found in Sweden | Atkinson Forestry [cached]

The visible portion of the 13-foot-tall (4-meter-tall) "Christmas tree" isn't ancient, but its root system has been growing for 9,550 years, according to a team led by Leif Kullman, professor at Umeå University's department of ecology and environmental science in Sweden.

Discovered in 2004, the lone Norway spruce-of the species traditionally used to decorate European homes during Christmas-represents the planet's longest-lived identified plant, Kullman said.
The researchers found the shrubby mountain survivor at an altitude of 2,985 feet (910 meters) in Dalarna Province.
The tree's incredible longevity is largely due to its ability to clone itself, Kullman said.
The spruce's stems or trunks have a lifespan of around 600 years, "but as soon as a stem dies, a new one emerges from the same root stock," Kullman explained.

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