Results 61 to 70 of about 20,684 (226)

The Early Upper Palaeolithic in British caves: problems and potential Le Paléolithique supérieur ancien dans les grottes de Grande‐Bretagne : problèmes et potentiels

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Recent years have seen landmark progress in our understanding of early Homo sapiens occupation of Europe, owing to new excavations and the application of new analytical methods. Research on British sites, however, continues to lag. This is because of limitations inherent in existing cave collections, and limited options for new fieldwork at known sites.
Robert Dinnis
wiley   +1 more source

The complete chloroplast genome of horned holly, Ilex cornuta Lindl. & Paxton (Aquifoliaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2019
Ilex cornuta Lindl. & Paxton is a species distributed in eastern China and Korea, utilized as traditional medical plants as well as horticultural species. Here, we completed chloroplast genome of I. cornuta.
Jongsun Park   +4 more
doaj   +1 more source

125 years of exploration and research at Gough's Cave (Somerset, UK) 125 ans d'exploration et de recherches à Gough's Cave (Somerset, Royaume‐Uni)

open access: yesJournal of the Royal Anthropological Institute, EarlyView.
Our understanding of the recolonization of northwest Europe in the period leading up to the Lateglacial Interstadial relies heavily on discoveries from Gough's Cave (Somerset, UK). Gough's Cave is the richest Late Upper Palaeolithic site in the British Isles, yielding an exceptional array of human remains, stone and organic artefacts, and butchered ...
Silvia M. Bello   +2 more
wiley   +1 more source

Energy properties of bamboo biomass and mate co-products

open access: yesSN Applied Sciences, 2021
Fossil fuels are being replaced by clean energy sources. Lignocellulosic biomass is considered an eco-friendly alternative, as it is a renewable raw material with high energy potential.
Fernando Rusch   +3 more
doaj   +1 more source

On the Structure of the Bitter Principle of Ilex oldhami Miq., Ilex pedunculosa Miq. and Ilex rotunda Thumb.

open access: yesNIPPON KAGAKU KAISHI, 1973
A new bitter principle named pedunculoside (1), C, 6HssO, e, has been isolaged from the leaves of Uex oldhami Miq., llex Peduncutesa Miq. and llex retunda Thumb. The structure of (1), has been confirmed as the glucose ester of rotundic acid (30) in terms of alkaline hydrelysis.Acid hydrolys'is ef (1) gave mainly glucose and two acids A (3) and B (4 ...
Tsunao HASE   +5 more
openaire   +2 more sources

“Alien versus predator”: predatory effect of coccinellid Exochomus quadripustulatus on the scale insect Toumeyella parvicornis. An open‐field experimentation on the Pinus pinea of Rome

open access: yesInsect Science, EarlyView.
The release of gravid Exochomus quadripustulatus females proved to be effective in containing Toumeyella parvicornis infestations on stone pine trees, under open‐field condition. The ladybugs caused a lower infestation level compared to the trees that did not receive any ladybugs during the observation season.
Nicolò Di Sora   +4 more
wiley   +1 more source

Morfoanatomía y arquitectura foliar de Ilex argentina e Ilex paraguariensis var. paraguariensis (Aquifoliaceae)

open access: yesLilloa, 2016
Gallac, Silvia V.; María I. Mercado; María E. Guantay; Martin L. Zannier; Graciela I. Ponessa. 2016. “Morfoanatomía y arquitectura foliar de Ilex argentina e Ilex paraguariensis var. paraguariensis (Aquifoliaceae)”. Lilloa 53 (1) .
Silvia V. Gallac   +4 more
doaj  

Plastid capture history of subsect. Campylolepides and section Ilex(Fagaceae: Quercus)

open access: yesGuangxi Zhiwu
Quercus subsect. Campylolepides contains three species: Q. acutissima, Q. variabilis and Q. chenii, which is the East Asian clade of Quercus section Cerris.
YU Shuliang1, LI Zhimin1, MA Xiangguang2*, SUN Wenguang1*
doaj   +1 more source

The effects of a 4-week mesocycle of barbell back squat or barbell hip thrust strength training upon isolated lumbar extension strength [PDF]

open access: yesPeerJ, 2019
Objectives Common exercises such as the barbell back squat (BBS) and barbell hip thrust (BHT) are perceived to provide a training stimulus to the lumbar extensors.
Alexander Hammond   +5 more
doaj   +2 more sources

Disentangling Multitrophic Interactions: How Vegetation Cover, Wild Boar, Deer, and Predators Shape Rodents Activity and Acorn Dispersal

open access: yesIntegrative Zoology, EarlyView.
Vegetation cover promotes rodent activity and acorn dispersal, while wild boars exert a direct negative effect on mice. Conversely, deer and predators displayed no significant impact on rodent behavior. These results identify wild boars as the main disruptors of rodent‐mediated forest regeneration.
David Notario Rincón   +9 more
wiley   +1 more source

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