Results 31 to 40 of about 29,611 (152)

Catálogo actualizado y análisis de la Flora Vascular de Andalucía (Sur de España)

open access: yesActa Botanica Malacitana
Se señala la presencia en Andalucía de 4.898 taxones de flora (especies, subespecies e híbridos) pertenecientes a 171 familias y 1.172 géneros, de los que 4.253 (86,8%) son autóctonos y 645 (13,2%) son alóctonos.
M. Cueto   +5 more
semanticscholar   +1 more source

Catálogo de los géneros de las plantas vasculares de la flora argentina - V

open access: yesLilloa, 2022
Continuación del catálogo de géneros de plantas vasculares de Argentina emprendido por los autores.
A. Castellanos
doaj  

Revisión y ampliación del catálogo sísmico del noroeste de la Península Ibérica previo a 1755 y sus implicaciones en la actividad intraplaca

open access: yesEstudios Geologicos, 2018
La base de los estudios de peligrosidad sísmica es disponer de catálogos sísmicos lo más completos posible. En regiones intraplaca, caracterizadas por largos periodos de recurrencia entre terremotos, es esencial obtener un catálogo sísmico con un extenso
C. Crespo-Martín   +2 more
semanticscholar   +1 more source

Evaluating the use of taxonomy in the IUCN Red List

open access: yesConservation Biology, EarlyView.
Abstract Taxonomy defines the units that conservationists strive to preserve for future generations. However, the discovery of new species and the taxonomic revision of existing species affect conservation efforts. Despite the importance of taxonomy for a species’ conservation, there is currently no overview of how those leading species extinction risk
Stephen T. Garnett   +8 more
wiley   +1 more source

Forest edges buffer effects of agricultural management on bee–plant interaction networks

open access: yesEcological Entomology, EarlyView.
Agricultural management effects: Organic and conventional crop margins host similar bee and plant species, but network structure differs: organic farms exhibit higher interaction diversity, conventional farms higher connectance. Role of forest edges: Native forest edges stabilize bee–plant networks by providing continuous floral resources and suitable ...
Samantha Marx de Castro   +6 more
wiley   +1 more source

Networks paving the way: Apprenticeship, guilds, and access to mastership in early modern Genoa

open access: yesThe Economic History Review, EarlyView.
Abstract This paper investigates how kinship and professional networks shaped labour market outcomes in the guild‐based labour market of early modern Genoa. Using a newly constructed dataset of more than 8,000 apprenticeship contracts (1451–1530), I examine the extent to which family and guild connections influenced apprentices' chances of attaining ...
Alessandro Brioschi
wiley   +1 more source

A general overview of the catalog of recent seismicity compiled by the Mexican Seismological Survey

open access: yesGeofísica Internacional, 2000
Hemos analizado el catálogo de sismicidad reciente de México del Servicio Sismológico Nacional, el cual está basado en compilaciones automáticas de los reportes de sismicidad.
F. Ramón Zúñiga   +2 more
doaj   +1 more source

Transparency or Access? E‐Procurement's Two Paths to Integrity: Evidence From Italy

open access: yesRegulation &Governance, EarlyView.
ABSTRACT This paper examines whether e‐procurement adoption is associated with procedural competition and transparency, two core components of procurement integrity. Using award‐level microdata for Italian regional contracting authorities (2019–2023), we analyze a period preceding the legal obligation of full‐cycle digital procurement, when the use of ...
Giuseppe Lucio Gaeta   +2 more
wiley   +1 more source

Pródromo de la flora agaricina argentina

open access: yesLilloa, 2021
Luego de años de estudio sobre las Agaricales de Argentina, los autores han tenido oportunidad de coleccionar ejemplares en todo el territorio del país y hacer los correspondientes análisis de tipos.
Rolf Singer, Antonio P. Digilio
doaj  

Piper longiapiculatum (Piperaceae), a New Species From the Brazilian Amazon Piper longiapiculatum (Piperaceae), uma Nova Espécie da Amazônia Brasileira

open access: yesFeddes Repertorium, Volume 137, Issue 3, September 2026.
ABSTRACT In order to address the many lacunae in Amazonian Piper taxonomy and geography, we performed a field expedition in the Serra do Divisor National Park (Acre state, Brazil), resulting in the discovery of a new species, Piper longiapiculatum, herein described and compared to morphologically similar taxa.
Gabriel Marcusso Marcusso   +4 more
wiley   +1 more source

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