Results 21 to 30 of about 9,179 (239)

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

Paleoecology, Evolutionary Approaches to [PDF]

open access: yes, 2018
Paleoecology is the study of the relationships between organisms and their environments in the past. The principal application of paleoecology in anthropology is to the study of paleoanthropology. Paleoecology provides a framework for understanding human
Bishop, LC, L. C. Bishop
core   +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

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 Moreno Hill Formation (Turonian-Coniacian, Cretaceous) of New Mexico [PDF]

open access: yes, 2023
The Cretaceous Terrestrial Revolution was a period of diversification of all major terrestrial groups that coincides with the rapid evolution and establishment of angiosperms (flowering plants) that began ~125 million years ago. The Moreno Hill Formation
Taylor, Ian
core  

The North Pacific Diatom Species Neodenticula seminae in the Modern and Holocene Sediments of the North Atlantic and Arctic

open access: yesGeosciences, 2020
The paper presents micropaleontological information and observations of the North Pacific diatom species Neodenticula (N.) seminae (Simonsen and Kanaya) Akiba and Yanagisawa in the surface and Holocene sediments from the North Atlantic, Nordic, and ...
Alexander Matul, Galina Kh. Kazarina
doaj   +1 more source

The Bolivian Radiocarbon Database: A Countrywide Compilation of Radiocarbon Dates

open access: yesJournal of Open Archaeology Data, 2023
The radiocarbon dating record from sites in the territory that comprises the Plurinational State of Bolivia has been previously included in datasets that are either obsolete, inaccurate, or incomplete.
José M. Capriles
doaj   +1 more source

INTEMPERISMO DECORRENTE DA ACUMULAÇÃO DE SAL E A FORMAÇÃO DE ALVÉOLOS E TAFONI NOS AFLORAMENTOS DAS PRAIAS DE NITERÓI (RIO DE JANEIRO, BRASIL)

open access: yesRevista Brasileira de Geomorfologia, 2013
Afloramentos de granitos e gnaisses nas praias de Niterói (RJ) apresentam morfologias desenvolvidas em decorrência do intemperismo da acumulação de sal na superfície da rocha.
Maria Augusta Martins da Silva   +6 more
doaj   +1 more source

Análisis palinológico preliminar de una turbera holocena del Apakará-tepui (Macizo de Chimantá, Guayana venezolana)

open access: yesCollectanea Botanica, 2011
Análisis palinológico preliminar de una turbera holocena del Apakará-tepui (Macizo de Chimantá, Guayana venezolana).- Este artículo presenta los resultados palinológicos preliminares, a escala de milenios, de una secuencia holocena, desde 8.0 cal kyr BP ...
V. Rull, E. Montoya, S. Nogué, O. Huber
doaj   +1 more source

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