Citation:

polarforschung.70.13

Name: Tab. 2: Vegetation and climate reconstruction for the last 60 kyr on the Bykovsky Peninsula
Published: 2002
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Laptev Sea System (LSS)

Coverage:

Latitude: 71.769500 * Longitude: 129.454660

Event(s):

MKh-161 * Latitude: 71.769500 * Longitude: 129.454660 * Location: Mamontovy Khayata, Bykovsky Peninsula, Siberia * Method/Device: Outcrop sample (OUTCROP) * Comment: Laptev sea coast; coastal and thermokarst erosion has created up to 40 m high coastal cliffs, trending NNW-SSE, and extending intermittently for about 2 km.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	AGE	Age	ka BP		Geocode
2	Age, maximum/old	Age max	ka	Andreev, Andrei A	BP
3	Age, minimum/young	Age min	ka	Andreev, Andrei A	BP
4	-	-		Andreev, Andrei A	Characteristics of pollen spectra
5	-	-		Andreev, Andrei A	Local environment
6	-	-		Andreev, Andrei A	Climate condition

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

40 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Age [ka BP]	2 Age max [ka] (BP)	3 Age min [ka] (BP)	4 - (Characteristics of pollen spe...)	5 - (Local environment)	6 - (Climate condition)
56.50	60.0	53.0	dominance of Poaceae and Cyperaceae pollen; high content of redeposited Pinaceae pollen; algae colonies (Pediastrum and Botryococcus)	open treeless vegetation; scarce vegetation cover; shallow water environment	cold and dry
45.25	48.0	42.5	dominance of Poaceae and Cyperaceae pollen with some Caryophyllaceae, Asteraceae, Artemisia, and Saxifraga; Salix, B. sect. Nanae, and A. fruticos p.; S. rupestris spores; relatively high content of redeposited Pinaceae p.; algae colonies (Ped. and Bot.)	tundra and steppe-like vegetation; shrubby tundra vegetation; very dry, uncovered soil; rather scarce vegetation cover; shallow water environment	dry, but warmer than during previous period
37.75	42.5	33.0	low content of redeposited Pinaceae pollen; increase of pollen taxa diversity, algae colonies (Pediastrum and Botryococcus)	denser vegetation cover; higher plant taxa diversity; shallow water environment	dry and relatively warm
28.25	28.0	28.5	Poaceae and Cyperaceae pollen with some Caryophyllaceae, Asteraceae, and Ranunculaceae; Selaginella rupestris; Equisetum	open tundra and steppe-like vegetation; very dry, uncovered soil; uncovered disturbed soil	dry and cold
21.00	26.0	16.0	high content of redeposited Pinaceae pollen, decreased Cyperaceae-pollen content; Cichoriaceae + Selaginella rupestris; Encalypta; algae colonies (Pediastrum and Botryococcus)	scarce herb communities or/and their low pollen productivity; dry, uncovered soil; uncovered, disturbed soil; shallow water environment	extremely dry and cold
13.50	15.0	12.0	decrease of reworked Pinaceae pollen, Selaginella rupestris spores and green algae colonies contents, slight increase of Cyperaceae and Ericales pollen contents; Encalypta; algae colonies (Pediastrum and Botryococcus)	scarce herb communities or/and their low pollen productivity; uncovered, disturbed soil; shallow water environment	amelioration of climate
6.35	8.2	4.5	dramatical increase of Betula sect. Albae, B. sect, Nanae, Ainus fruticosa, Salix, and Ericales pollen contents; Encalypta	shrubby tundra and probably open birch forest (forest-tundra); uncovered, disturbed soil	warmest and wettest climate conditions
2.25	4.5	0.0	decrease of Betula sect, Albae, B. sect. Nanae, and Ainus fruticosa pollen content	low shrub tundra	modern climate