Results 71 to 80 of about 165,801 (212)

Noticias de ataques y destrucciones en Orihuela durante el período andalusí (ss. VIII-XIII) [PDF]

open access: yes, 2014
Tras resumirse "Los elementos esenciales de la trama urbana de Orihuela", se estudian los principales hechos históricos durante el período islámico de la ciudad de Orihuela "s.
Franco-Sánchez, Francisco
core   +1 more source

Boletín de la Sociedad Española para la Defensa del Patrimonio Geológico y Minero, Nº14. Número especial: 4º Aniversario de la Sociedad. [PDF]

open access: yes, 1999
En mayo de 1994 se celebraría, en León, el IX Congreso Internacional de Minería y Metalurgia, presentándose varias comunicaciones sobre Patrimonio Minero. En las conclusiones del Simposio se recogió una relativa a la necesaria conservación y recuperación
Puche Riart, Octavio
core  

The coupon collector urn model with unequal probabilities in ecology and evolution [PDF]

open access: yesarXiv, 2016
The sequential sampling of populations with unequal probabilities and with replacement in a closed population is a recurrent problem in ecology and evolution. Many of these questions can be reformulated as urn problems, often as special cases of the coupon collector problem, most simply expressed as the number of coupons that must be collected to have ...
arxiv  

Nocturnality, seasonality and the SARS-CoV-2 Ecological Niche [PDF]

open access: yesarXiv, 2020
Understanding the behaviour of hosts of SARS-CoV-2 is crucial to our understanding of the virus. A comparison of environmental features related to the incidence of SARS-CoV-2 with those of its potential hosts is critical. We examine the distribution of coronaviruses among bats.
arxiv  

Lagarto bético – Timon nevadensis (Buchholz, 1963) [PDF]

open access: yes, 2017
Reptiles - Orden Squamata - Familia Lacertidae en la Enciclopedia Virtual de Vertebrados Españoles, http://www.vertebradosibericos.org/.A comprehensive review of the natural history of the Betic lizard Timon nevadensis in Spain.Peer ...
Carretero, Miguel Ángel   +1 more
core   +1 more source

Pedagogical university museums in Spain: tradition and future before the diffusion of the historical educational heritage [PDF]

open access: yes, 2015
Un nutrido grupo de Universidades Españolas han venido apostando en los últimos tiempos por poner en valor a través de la creación de Museos de Pedagogía, Enseñanza y Educación, un rico e importante patrimonio histórico educativo, que no se entiende ...
García Fernández, Isabel (Coordinador)   +3 more
core  

Beryllium, Lithium and Oxygen Abundances in F-type Stars [PDF]

open access: yesarXiv, 1997
Beryllium and oxygen abundances have been derived in a sample of F-type field stars for which lithium abundances had been measured previously, with the aim of obtaining observational constraints to discriminate between the different mixing mechanisms proposed. Mixing associated with the transport of angular momentum in the stellar interior and internal
arxiv  

Göktepe Marble Identification in the Hadrian Portrait of Los Torrejones (Yecla, Murcia) and some Considerations on the Presence of this Marble in Hispania

open access: yesZephyrus
This work characterises the high-quality white marble used in the bust of Emperor Hadrian found in the Roman villa of Los Torrejones (Yecla, Murcia).
M.ª Pilar Lapuente Mercadal   +3 more
doaj   +1 more source

Unearthing the soil‐borne microbiome of land plants

open access: yesGlobal Change Biology, Volume 30, Issue 5, May 2024.
We studied the soil organisms consistently associated with land plants (vascular plants and mosses) across contrasting climates, soils, and vegetation types. We found a small subset of bacteria, fungi, and protists that defined the consistent soil‐borne microbiome of land plants and determined their importance for the functioning of plant‐associated ...
Raúl Ochoa‐Hueso   +37 more
wiley   +1 more source

Towards the identification of hotspots of freshwater biodiversity in North-Western Africa: A case study using species distribution models for water beetles in Morocco

open access: yesGlobal Ecology and Conservation, 2023
Freshwater biodiversity loss is of concern in the Mediterranean Basin, as one of the global hotspots of biodiversity. Despite a number of faunistic and taxonomic studies that have been conducted in the last years in the African part of the Mediterranean ...
Abla Belhaj   +4 more
doaj  

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