Results 11 to 20 of about 197,047 (348)

The taxonomic status of the Mexican oak Quercus undata (Fagaceae, Quercus, Section Quercus) El estatus taxonómico del encino mexicano Quercus undata (Fagaceae, Quercus, Sección Quercus)

open access: greenRevista Mexicana de Biodiversidad, 2011
Quercus undata Trel. (Fagaceae, Quercus, Section Quercus) has a complex taxonomic and nomenclatural history. Intensive sampling of oaks at the type locality of Q. undata Trel. in Durango, Mexico and evaluation of herbarium specimens and plants in the field indicate that Q. undata represents variation in Quercus chihuahuensis Trel.
Jeffrey R. Bacon   +3 more
openaire   +3 more sources

Physical, mechanical, and decay resistance properties of heat-treated wood by Besson® process of three European hardwood species

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2021
Description of the subject. In Europe, the heat treatment of native wood species is gradually becoming an industrial reality. It provides a promising alternative to both the use of naturally durable, essentially tropical woods and the use of chemical ...
Maxime Ninane   +3 more
doaj   +1 more source

Molecular diversity and phylogenetic analysis of Azerbaijan oaks (Quercus spp.) revealed by RAPD markers [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2021
Although Azerbaijan is a center of natural distribution and diversity of genus Quercus around the world, less published data can be found about PCR-based genetic diversity in prevalent oak accessions. The present study aims at finding molecular variation
Gullu Aliyeva   +2 more
doaj   +1 more source

A Vision-Based Approach for Building Telecare and Telerehabilitation Services

open access: yesSensors, 2016
In the last few years, telerehabilitation and telecare have become important topics in healthcare since they enable people to remain independent in their own homes by providing person-centered technologies to support the individual.
Angela Barriga   +5 more
doaj   +1 more source

Physiological responses of Pedunculate oak (Quercus robur L.) to Corythucha arcuata (Say, 1832) attack [PDF]

open access: yesArchives of Biological Sciences, 2019
The spread and occurrence of the oak lace bug Corythucha arcuata out of its natural distribution area across European and Asian countries has been reported during the past decades.
Nikolić Nataša   +6 more
doaj   +1 more source

The complete chloroplast genome sequence of Quercus ningangensis and its phylogenetic implication

open access: yesPlant and Fungal Systematics, 2021
Quercus ningangensis is an economically and ecologically important tree species belonging to the family Fagaceae. In this study, the complete chloroplast (cp) genome of Q.
Tian-Rui Wang   +3 more
doaj   +1 more source

Cupule aud acorn basic morpbological differences between Quercus ithaburensis Decne. subsp. ithaburensis and Quercus ithaburensis subsp. macrolepis (Kotschy) Hedge & Yalt [PDF]

open access: yes, 2002
Estructura del glande y de la cúpula de Quercus ithaburensis Decne. subsp. ithaburensis y de Quercus ithaburensis subsp. inacrolepis (Kotschy) Hedge & Yalt.: Diferencias esenciales.Key words. Quercus ithaburensis, taxonomy, morphology, acorn, cupule,
Dufour-Dror, Jean-Marc, Ertas, Aytekin
core   +3 more sources

New State Distribution and Host Records of North American Buprestidae (Coleoptera) [PDF]

open access: yes, 2018
The following new state records are reported for buprestid species in the eastern United States: Agrilus egeniformis Champlain and Knull and Polyceta elata LeConte from Georgia, Agrilus defectus LeConte and Agrilus vittaticollis (Randall) from Minnesota ...
Haack, Robert A   +2 more
core   +3 more sources

The Algarve climatophilous vegetation series – Portugal: a base document to the planning, management and nature conservation Les séries de végètation climatophiles de l’Algarve - Portugal: un document de base pour la planification, gestion et conservation de la nature [PDF]

open access: yes, 2012
This work was developed as part of PhD research devoted to the flora and vegetation of the Caldeirão and Monchique mountains that aims to identify the vegetation climatophilous series and use them as an environmental diagnosis of Algarve administrative ...
Cano-Ortiz, Ana   +4 more
core   +1 more source

Physical properties of four ring-porous hardwood species: Influence of wood rays on tangential and radial wood shrinkage [PDF]

open access: yes, 2019
Some relationships between ray proportions, strength and shrinkage properties and basic density in hardwood species were highlighted. A better understanding of their relationships caused by the variation in moisture content in the hygroscopic domain ...
Candelier, Kévin   +4 more
core   +1 more source

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