Results 11 to 20 of about 33,963 (268)

The Upper Oligocene of Montgat (Catalan Coastal Ranges, Spain): New age constrains to the western Mediterranean Basin opening

open access: yesGeologica Acta, 2007
The Oligocene deposits of Montgat are integrated in a small outcrop made up of Cenozoic and Mesozoic rocks located in the Garraf-Montnegre horst, close to the major Barcelona fault.
D. Parcerisa   +4 more
doaj   +1 more source

Adiciones a la flora polínica de Pantepui (Guayana venezolana): la colección Maguire

open access: yesCollectanea Botanica, 2010
Este trabajo es un estudio sobre la morfología polínica de varias especies de plantas de Pantepui (Guayana venezolana), una región con elevada biodiversidad y un alto grado de endemismo, donde se espera un fuerte impacto del calentamiento global.
C. López-Martínez   +4 more
doaj   +1 more source

Time to better integrate paleoecological research infrastructures with neoecology to improve understanding of biodiversity long-term dynamics and to inform future conservation

open access: yesEnvironmental Research Letters, 2021
Anthropogenic pressures are causing a global decline in biodiversity. Successful attempts at biodiversity conservation requires an understanding of biodiversity patterns as well as the drivers and processes that determine those patterns.
Diego Nieto-Lugilde   +5 more
doaj   +1 more source

Mollusk species at a Pliocene shelf whale fall (Orciano Pisano, Tuscany) [PDF]

open access: yes, 2010
The recovery of an intact, 10 m long fossil baleen whale from the Pliocene of Tuscany (Italy) offers the first opportunity to study the paleoecology of a fully developed, natural whale-fall community at outer shelf depth.
Betocchi, U, Danise, S, Dominici, S
core   +2 more sources

MACROFAUNA CIRCALITORALE DEL PLIOCENE INFERIORE DI CAPO S. MARCO (SARDEGNA OCCIDENTALE)

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2018
The megafauna recovered from the Lower Pliocene sequence at Capo S. Marco (Sinis Peninsula) are analysed; detailed studies concern taxonomy, stratigraphy and paleoecology.
CARLO SPANO
doaj   +1 more source

Paleoecology of the Maastrichtian and Danian sediment at North of Central Alborz, Iran, based on Planktonic foraminifera [PDF]

open access: yes, 2010
In order to study the fossil contents of the Ziarat-kola section for biostratigraphical purposes the 212 meters was sampled at Central Alborz. The sequence is mainly made up of monotonous grey- green to light grey marl.
Behnaz Balmaki
core   +2 more sources

Sedimentología y vertebrados fósiles de la Formación Santa Cruz (Mioceno temprano) en Lago Posadas, suroeste de Patagonia, Argentina [PDF]

open access: yes, 2019
Lago Posadas se ubica al pie de los Andes Patagónicos Australes, en el suroeste de Argentina, donde la Formación Santa Cruz (FSC) del Mioceno temprano muestra afloramientos potentes y lateralmente continuos.
Aramendía, Inés   +3 more
core   +2 more sources

Ecological succession of a Jurassic shallow-water ichthyosaur fall. [PDF]

open access: yes, 2014
After the discovery of whale fall communities in modern oceans, it has been hypothesized that during the Mesozoic the carcasses of marine reptiles created similar habitats supporting long-lived and specialized animal communities.
A Glover   +58 more
core   +3 more sources

Rectoprotomarssonella n. gen., a new agglutinated foraminiferal genus from the Upper Cretaceous of the Carpathian Flysch [PDF]

open access: yes, 2007
The new agglutinated foraminiferal genus Rectoprotomarssonella n. gen. is characterized by its high trochospiral coiling with multiserial to uniserial chamber arrangement and solid, noncanaliculate wall with calcareous cement.
Bubík, M., Cetean, C.G., Kaminski, M.A.
core   +1 more source

Platinum Group Element Traces of CAMP Volcanism Associated With Low‐Latitude Environmental and Biological Disruptions

open access: yesGeophysical Monograph Series, Page 263-304., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside   +3 more
wiley  

+1 more source

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