Results 31 to 40 of about 43,772 (223)

An integrated approach to understanding the role of the long neck in plesiosaurs [PDF]

open access: yesActa Palaeontologica Polonica, 2017
The evolution and function of the long neck in plesiosaurs, and how the problems associated with stiffness or flexibility were overcome during feeding, or rapid swimming during predator avoidance, are explored, and a new interpretation for the function ...
Leslie F. Noè   +2 more
doaj   +1 more source

Testate amoebae as a proxy for reconstructing Holocene water table dynamics in southern Patagonian peat bogs [PDF]

open access: yes, 2014
Funded by Natural Environment Research Council. Grant Numbers: NE/I022809/1, NE/I022981/1, NE/I022833/1, NE/I023104/1 Ricardo Muza and the Wildlife Conservation Society Karukinka Park Acknowledgements This work was supported by the Natural Environment ...
Aaby   +69 more
core   +1 more source

On the Use of Spores of Coprophilous Fungi Preserved in Sediments to Indicate Past Herbivore Presence

open access: yesQuaternary, 2022
Fungal spores that grew on the faeces of herbivores in the past can be extracted from sediments and used to identify the presence of herbivores in former ecosystems.
Claire M. Lee   +2 more
doaj   +1 more source

Preface. Palaeodiversity and Palaeoecology of Iberian Ecosystems. New insights into the Phanaerozoic biotas from Spain and Portugal [PDF]

open access: yes, 2014
Preface. Palaeodiversity and Palaeoecology of Iberian Ecosystems.
Furió, M.   +2 more
core   +2 more sources

Changes in Lake Rotcze catchment over the last 200 years: implications for lake development reconstruction

open access: yesLimnological Review, 2013
Based on archival cartographic sources, teledetection materials, and research results in the scope of history and environmental sciences, changes occurring in the catchment of Lake Rotcze and its close vicinity over the last two hundred years were ...
Kowalewski Grzegorz Andrzej
doaj   +1 more source

Climatic and eustatic controls on the development of a Late Triassic source rock in the Jameson Land Basin, East Greenland [PDF]

open access: yes, 2014
This work was undertaken as part of the continuing work of CASP in East Greenland. The sponsoring companies are thanked for their continued support of this work. Help in the field by T. Kinnaird and useful discussions with A.
Andrews, Steven D.   +3 more
core   +1 more source

Ontogeny, muscle scars, colour pattern and predation marks in a Silurian orthoceratid cephalopod [PDF]

open access: yesActa Palaeontologica Polonica
Muscle scars, embryonic shell, colour pattern and intraspecific variation are known together in a very limited numberof straight shelled cephalopods, leading to uncertainty in the classification of the subclass Orthoceratoidea.
Štěpán Manda, Vojtěch Turek
doaj   +1 more source

A late Pleistocene long pollen record from Lake Urmia, NW Iran [PDF]

open access: yes, 2008
A palynological study based on two 100-m long cores from Lake Urmia in northwestern Iran provides a vegetation record spanning 200 ka, the longest pollen record for the continental interior of the Near East.
Akhani, H   +10 more
core   +1 more source

The revision of baphetids from the Middle Pennsylvanian of the Czech Republic: Morphology, ontogeny, palaeoecology, and the reassessment of the phylogeny of Baphetoidea

open access: yesThe Anatomical Record, EarlyView.
Abstract The baphetoids represent a clade of the Carboniferous stem‐tetrapods (Middle Mississippian—Middle Pennsylvanian) with a characteristic extension of the orbits into antorbital vacuities, which formed keyhole‐shaped openings on the skull. The more derived baphetids were crocodile‐like piscivores frequently occurring in coal‐bearing lacustrine ...
Pavel Barták, Martin Ivanov, Boris Ekrt
wiley   +1 more source

Aapa mire on the southern limit: A case study in Vologda Region (north-western Russia) [PDF]

open access: yesMires and Peat, 2019
The aim of the research was to carry out a multidisciplinary study of a mire possessing a ribbed pattern typical for aapa mires and yet situated in the Vologda Region of Russia, which is farther south than the supposed southern limit of aapa mire ...
S.A. Kutenkov, D.A. Philippov
doaj   +1 more source

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