Results 21 to 30 of about 43,772 (223)

High-Resolution Multiproxy Record of Environmental Changes and Anthropogenic Activities at Unguja Ukuu, Zanzibar, Tanzania during the Last 5000 Years

open access: yesQuaternary, 2023
A high-resolution multiproxy sedimentary record comprising pollen, charcoal, trace element, stratigraphy and particle size data is used to reveal environmental changes from the mangrove ecosystem at Unguja Ukuu, Zanzibar, Tanzania, over the last 5000 ...
Apichaya Englong   +5 more
doaj   +1 more source

Using Annual Resolution Pollen Analysis to Synchronize Varve and Tree-Ring Records

open access: yesQuaternary, 2019
Fossil wood and varved lake sediments allow proxy analysis with exceptionally high, (sub-)annual resolution. Both archives provide dating through ring and layer counting, yet with different accuracy.
Martin Theuerkauf   +6 more
doaj   +1 more source

Evidence of microbial activity from a shallow water whale fall (Voghera, northern Italy) [PDF]

open access: yes, 2012
The fossil bones, associated carbonate cements and enclosing concretion of a Miocene mysticete from inner shelf deposits (Monte Vallassa Formation, northern Italy) were analyzed for evidence of microbial activity. Optical and scanning electron microscopy,
Cavalazzi, B   +5 more
core   +4 more sources

A record of fossil shallow-water whale falls from Italy [PDF]

open access: yes, 2014
Twenty-five Neogene-Quaternary whales hosted in Italian museum collections and their associated fauna were analysed for evidence of whale-fall community development in shallow-water settings.
Allison   +81 more
core   +2 more sources

Hugues Faure, 1928–2003: The unique adventure of his life [PDF]

open access: yes, 2010
Hugues Faure was not only one of the greatest pioneers of the study of the Quaternary and a man of outstanding personality, with the highest integrity, an uncommon strength of character, with a lot of kindness and generosity, but also a man who made his ...
Faure, Olivier   +4 more
core   +3 more sources

Geographically weighted models in palaeoecology: R package and application to testate amoebae in peatlands [PDF]

open access: yesWeb Ecology
Transfer function (TF) models are commonly used in palaeoecology for quantitative inference of environmental variables based on biological proxies. Although the existence of spatial structure is well established in ecology, existing TFs do not account ...
S. Erb   +7 more
doaj   +1 more source

Late Holocene climate and environmental changes in Kamchatka inferred from subfossil chironomid record. [PDF]

open access: yes, 2013
This study presents a reconstruction of the Late Holocene climate in Kamchatka based on chironomid remains from a 332 cm long composite sediment core recovered from Dvuyurtochnoe Lake (Two-Yurts Lake, TYL) in central Kamchatka.
de Hoog, Verena   +4 more
core   +1 more source

From LBK to SBK: Pottery, Bones, Lithics and Houses at the Neolithic site of Hrdlovka, Czech Republic

open access: yesOpen Archaeology, 2016
The paper is focused on the period of cultural change at the turn of 6th and 5th millennia BC, when the uniform Linear Pottery Culture (LBK) occupying an extensive area disintegrated in several local groups or cultures, including the Stroked Pottery ...
Vondrovský Václav   +4 more
doaj   +1 more source

Palynostratigraphy and palaeoecology of the Niur Formation, Tikdar section, northwest of Kerman, Central Iran [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2019
Diverse, moderately to well-preserved palynomorphs including acritarchs (sensu stricto), prasinophytes cyst, chitinozoans, scolecodonts, and spores occur in some surface samples (90 meters thereof) of the Niur Formation (200 m thick) at the Tikdar ...
Hossein Hashemi   +2 more
doaj   +1 more source

Extent and duration of marine anoxia during the Frasnian– Famennian (Late Devonian) mass extinction in Poland, Germany, Austria and France [PDF]

open access: yes, 2004
– The intensity and extent of anoxia during the two Kellwasser anoxic events has been investigated in a range of European localities using amultidisciplinary approach (pyrite framboid assay, gamma-ray spectrometry and sediment fabric analysis).
Bond, D.P.G., Racki, G., Wignall, P.B.
core   +1 more source

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