Results 41 to 50 of about 16,461 (269)

Variabilité génétique de Barbus meridionalis Risso (Cyprinidae) : une espèce quasi monomorphe

open access: yesKnowledge and Management of Aquatic Ecosystems, 1988
Barbus meridionalis a été échantillonné dans 5 petits cours d'eau de moyenne altitude dans les Pyrénées, le Massif Central et les Alpes. Le preferendum écologique de l'espèce est précisé.
BERREBI P.   +3 more
doaj   +1 more source

Clubs sportifs et petites villes dans le Massif central : entre dynamiques socio-démographiques et recompositions territoriales

open access: yesEspace populations sociétés, 2023
This article proposes to study sports clubs in small towns in the Massif Central. The sports club is at the crossroads of several influences. It participates in local life but it is also subject to the socio-spatial evolutions and recompositions which ...
Thomas Meignan
doaj   +1 more source

Relationship between milk intrinsic quality scores and the environmental impact scores of dairy farms

open access: yesItalian Journal of Animal Science
This study aimed to study the relationship between milk quality for cheese manufacturing and farm’s environmental impacts in grass-based mountain systems. Beforehand, the multi-criteria evaluation methodology proposed by Botreau et al.
Mathieu Lepoivre   +9 more
doaj   +1 more source

Composition and correlation criteria of the rhyolitic ignimbrites in the Monts Dore volcanic field (France) [PDF]

open access: yesBSGF - Earth Sciences Bulletin, 2016
Rhyolitic pyroclastic deposits, mostly ignimbrites (ash-and-pumice flow deposits) from plinian eruptions belonging to the early activity (> 2.5 Ma) of the Plio-Quaternary Monts Dore volcanic field (Massif central, France) are documented in order to ...
Bourdier Jean-Louis   +3 more
doaj   +1 more source

Origin, evolution and biogeographic dynamics of the European rabbit (Oryctolagus cuniculus) in Southwestern Europe

open access: yesThe Anatomical Record, EarlyView.
Abstract The Pleistocene is a key period for understanding the evolutionary history and palaeobiogeography of the European rabbit (Oryctolagus cuniculus). The species was first documented in southeastern Iberia at the beginning of the Middle Pleistocene and appears to have rapidly spread throughout Southwestern Europe, where it was found in numerous ...
Maxime Pelletier
wiley   +1 more source

The extension of the taxon cycle model to island plants: insights from the Canarian vascular flora

open access: yesBiological Reviews, EarlyView.
ABSTRACT Taxon cycle models describe eco‐evolutionary patterns of lineage colonization, diversification, and decline across archipelagos, inferring an important role for competition amongst ecologically similar taxa in driving concurrent niche changes.
José María Fernández‐Palacios   +2 more
wiley   +1 more source

Geomorphology of the Sowie Mountains (Sudetes, SW Poland) – Landform patterns and anthropogenic impact

open access: yesGeographia Polonica, 2023
The Sowie Mountains in the central part of the Sudetes range are an under-researched area in terms of geomorphology, despite their potential representativeness for a large number of terrains within the Bohemian Massif, built of metamorphic bedrock. Apart
Piotr Migoń   +2 more
doaj   +1 more source

The origin of Proterozoic massif-type anorthosites: Evidence from interactions between crustal xenoliths and basaltic magma [PDF]

open access: yes, 1999
Plagioclase-rich reaction zones occur around numerous aluminous crustal xenoliths within a suite of Palaeogene sub-volcanic basic sheets on the Isle of Mull, NW Scotland.
Preston, R.J.   +2 more
core  

Covalent Insertion of a Mn(Salen) Type Complex in Cross‐Linked Protein Crystals: Design of an Enantioselective Artificial Epoxidase

open access: yesChemistry – A European Journal, EarlyView.
An Artificial metalloenzyme was designed by a Michael addition between a MnSalen complex and a cysteine residue within NikA crystals. The heterogeneous catalyst was found capable of an enantioselective and stereospecific epoxidation of cis‐β‐methylstyrene in cristallo.
Manel Boukhallat   +8 more
wiley   +1 more source

MINERALOGICAL AND TEXTURAL EVOLUTION OF THE ECONOMIC MANGANESE MINERALIZATION IN WESTERN RHODOPE MASSIF, N GREECE

open access: yes, 1991
The western Rhodope massif contains a significant number of 'battery grade' Mn-oxide deposits which are best developed in the area near Kato Nevrokopi, Drama district, N. Greece.
Pattrick, R A D, Nimfopoulos, M K
core   +1 more source

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