Results 21 to 30 of about 31,748 (153)

A review of high nature value farming systems in Europe: Biodiversity, ecosystem services, drivers, innovations and future prospects

open access: yesPeople and Nature, EarlyView.
Abstract Farming systems of high natural and cultural value represent approximately 30% of farmlands in the European Union and are associated with a high species and habitat diversity and/or the presence of species of European conservation concern. This study aims to synthesize the existing knowledge on the assessment of biodiversity and ecosystem ...
Elsa Varela   +4 more
wiley   +1 more source

Identificación y caracterización de un mineral oxidado complejo de estaño, hierro y arsénico de la mina Santa Elisa (Zamora) [PDF]

open access: yes, 1993
Se ha descrito la presencia de minerales del tipo óxido-hidróxido de estaño y hierro en varias minas del mundo, también conocidos bajo la antigua denominación de varlamofita. En la mina de "Santa Elisa" se ha detectado la presencia de este mineral, que
Gómez-Limón, Dulce   +2 more
core   +1 more source

Phoenician colonization in the Iberian Peninsula: Cabezo Pequeño del Estaño (Guardamar del Segura, Alicante) [PDF]

open access: yes, 2014
Este trabajo da a conocer los primeros resultados de la investigación de los autores en el enclave fenicio del Cabezo Pequeño del Estaño de Guardamar (Alicante). Dichos trabajos, consistentes en la revisión de los materiales exhumados en los años noventa
García Menárguez, Antonio   +1 more
core   +4 more sources

Digitalising biodiversity: Exploring perceptions on risks and opportunities

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Digitalisation is transforming biodiversity conservation, offering new opportunities for research, governance and public engagement. Herbarium digitisation, for example, enables large‐scale access to plant data, supporting conservation, restoration and sustainable use.
Björn‐Ola Linnér   +9 more
wiley   +1 more source

Perfumes and perfume-making in the Celestina [PDF]

open access: yes, 2009
Celestina’s house, as Dorothy Sherman Severin notes, is at the same time ‘a bawdy house, a factory for perfumes and cosmetics, and a symbol of the misrule of a woman empowered by her illegal professions of sorceress, witch and bawd’ (Severin 1995: 45 ...
Twomey, Lesley
core   +1 more source

Exploring Costa Rica's fungal trends: Insights from digitized specimens

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Fungi are essential to tropical ecosystems but remain largely absent from conservation agendas. By analyzing over 78,000 fungal records from Costa Rica—a globally recognized biodiversity hotspot—this study reveals key patterns in fungal diversity, distribution, and seasonality.
Melissa Mardones   +2 more
wiley   +1 more source

Soldadura blanda [PDF]

open access: yes, 1963
Cartilla que presenta los materiales, herramientas, operaciones, métodos y esquemas para los procesos de: soldadura con estaño y soldadura de tuberías.Primer that presents the materials, tools, operations, methods and schemes for the processes of: tin ...
Bonilla, Luis Carlos   +2 more
core  

Retrospective image analysis for long‐term demography using Google Earth imagery

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
We demonstrate that high‐resolution Google Earth imagery, combined with minimal field validation, enables retrospective tracking of individual invasive plants. The image shows one of the monitored individuals of Opuntia sp. in Greece. Our approach reveals long‐term demographic patterns, recruitment dynamics, and spatial expansion without continuous ...
Erola Fenollosa   +2 more
wiley   +1 more source

La metalurgia prehistórica en el Valle Medio del río Vinalopó (Alicante)

open access: yesLucentum, 1983
El utillaje metálico, abundante y de diversificada tipología, permite realizar algunas consideraciones en torno al poblamiento prehistórico del Valle Medio del Vinalopó (Alicante) y sus relaciones con otras comarcas próximas y con Murcia, de donde puede ...
Mauro S. Hernández Pérez
doaj   +1 more source

Tin Oxides: New anodes for Li-Ion cells [PDF]

open access: yes, 1999
La reacción entre el litio y óxidos o aleaciones de estaño es reversible cuando se realiza por métodos electroquímicos y a bajos potenciales con respecto al electrodo de litio.
Morales Palomino, Julián, Sánchez, L.
core  

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