Sentences with phrase «poolepynten subfossil»

She has been particularly fortunate to have material borrowed from the Duke University Primate Center's excellent collection of subfossil materials.

This starting point in Crowley's study reveals a contrast of lemur mobility between subfossil and living species.

When Alter first had the idea to trace the history of gray whales from subfossils in the early 2000s, she quickly hit a major snag; gray whale subfossils are hard to come by.

Then in 2005, she met evolutionary biologist Michael Hofreiter, then at the Max Planck Institute for Evolutionary Anthropology, who shared some extraordinary news: Dutch trawlers raking the mud of the North Sea dredged up a cache of gray whale subfossils, the largest ever discovered.

It holds ribs the size of small logs and 6 - foot - long mandibles — modern bones similar to the subfossils Alter has studied.

For years, Alter and her colleagues have meticulously reconstructed the history of the species using subfossils — ancient bones that, unlike true fossils, are not yet fully mineralized and still contain minute traces of DNA.

He's like «Mr. Subfossil Bird Bones» (and a lot of other subfossil animals, but especially birds — and especially island birds).

Anderung C, Danise S, Glover AG, Higgs ND, Jonsson L, Sabin R, Dahlgren TG (2014) A Swedish subfossil find of a bowhead whale from the late Pleistocene: shore displacement, paleoecology in south - west Sweden and the identity of the Swedenborg whale (Balaena swedenborgii Liljeborg, 1867).

We used subfossil mosses and peats to document changes in regional climate, cryosphere, and terrestrial ecosystems in the western Antarctic Peninsula at ~ 65S latitude.

[38][39] Similarly, radiocarbon dating of American east coastal subfossil remains confirm that gray whales existed there at least through the 17th century.

[37] Radiocarbon dating of subfossil or fossil European (Belgium, the Netherlands, Sweden, the United Kingdom) coastal remains confirms this, with whaling the possible cause.

The subfossil remains of now extinct gray whales from the Atlantic coasts of England and Sweden were used by Gray to make the first scientific description of a species then surviving only in Pacific waters.

Archaeological and paleontological research has identified more than 100 fox bones from more than 35 different archaeological and subfossil sites across the archipelago.

We do, however, have information about the time - span of the subfossil samples — and if we align these by the year of the last - ring in each sample it can highlight periods of enhanced mortality.

And, in any event, this has nothing to do with CRU's failure to even disclose the existence of 1021 crossdated subfossil trees from the two early transects.

This should have been reported in the article, together with an explanation of why they didn't use it, letting reviewers and readers decide for themselves whether CRU was justified in using less than 8 % of the subfossil data.

CRU should have asked Shiyatov for the right to use the subfossil data from their 1968 and 1983 transects and, if they were refused, this should have been reported as well.

CRU's Failure to Use or Disclose the Shiyatov Dataset In a recent CA post, I observed that Shiyatov had crossdated 1021 subfossil trees from his 1968 and 1983 transects plus hundreds of living trees, from which the samples sent to Schweingruber were a minute subset.

The analysis examined both «living and subfossil pine (Pinus sylvestris) trees from 14 lakes and 3 lakeshore sites.»

I'm guessing that most of the ancient subfossil stuff that Baillie and Co. have harvested comes from parks and preserves, not private land, and that requires a permit.

In other words he was carting off sizeable chunks of the Emerald Isle subfossil history for study at the University of Belfast.

So if the Thelon River cores were similar to other field efforts in being 60 % subfossil, the reconstruction discarded ~ 200 subfossil cores that lacked the recent rings to show divergence.

The issue in the original chronology was that there were relatively few late cores and that the location from which they came was inhomogeneous with subfossil cores..

Tree - ring width (and limited density [Luckman and Wilson, 2005]-RRB- data derived from living and subfossil wood of coniferous tree species were compiled from 66 high - elevation and latitudinal treeline North American and Eurasian sites.

Low number of used for reconstruction subfossil series is explained by standardisation method («corridor method»).

«The systematic collection of subfossil wood samples was begun, in 1982, in the basins of the Khadytayakha, Yadayakhodyyakha and Tanlovayakha rivers in southern Yamal in the region located between 67 ° 009 and 67 ° 509 N and 68 ° 309 and 71 ° 009 E».

As to reliability of recent increase in tree growth — we have updated our data using many additional subfossil and living trees and using RCS - method.

I have requested elevations of the subfossil cores without any success.

Two sets of correlations are shown: one based only on the subfossil series and the other including the living tree material whose precise elevations are not known and have been set here to a constant elevation of 250 m. None of the correlations is significant indicating that there is little evidence for an elevation influence on ring density and hence little age - dependent bias in the temperature reconstruction arising out of the differences in sample heights shown in Figure 4.»

In an earlier posting, I pointed out the striking change in altitude of samples at this site, with 13th century samples averaging from an altitude of about 310 m. (NATO 1996, Figure 4, top panel), while modern samples all come from between 200 and 250 m. Briffa says that the elevations of the subfossil cores are known precisely, but not the modern cores (p. 35).

Even in a long chronology (i.e., including subfossil data), this effect will bias the start and end of the RCS chronology.

However Luckman (AAR 1993) contains the following photo and caption stating that a subfossil tree had been identified in situ and had been tilted by a glacier.

How do you pick the subfossil trees that are «best»?

If I'm reading page 718 of the H & S 2002 paper correctly, the subfossil Yamal trees were sampled by sawing all the way through the trunks, not by coring.

Thousand years of climate change reconstructed from chironomid subfossils preserved in varved lake Silvaplana, Engadine, Switzerland.

When the pith is absent, which often is the case in drilled core samples and subfossil wood, the pith offset (PO) has to be estimated.

The sources of these data are living trees, dead dry wood and subfossil logs that were recovered from small lakes.