Results 11 to 20 of about 255,287 (159)

Morphological and molecular evidence reveals a new species of Characidium from the Ucayali-Urubamba Piedmont, Peru, and novel molecular clades are proposed within the genus. [PDF]

open access: yesJ Fish Biol
Abstract A new species of Characidium is described from the Urubamba River basin, within the Ucayali‐Urubamba Piedmont ecoregion, Peru. The new species can be readily distinguished from all congeners, except Characidium cacah, Characidium chicoi, Characidium helmeri, Characidium mirim, Characidium nana, Characidium nupelia, Characidium sterbai ...
Oliveira-Silva L   +6 more
europepmc   +2 more sources

Lessons learned from screening potential other effective area-based conservation measures. [PDF]

open access: yesConserv Biol
Abstract Other effective area‐based conservation measures (OECMs) are sites that deliver effective biodiversity outcomes irrespective of their management objectives. These areas are widely expected to play an important role in efforts to protect 30% of Earth by 2030.
Cook CN   +15 more
europepmc   +2 more sources

Using online reports of seahorse seizures to track their illegal trade. [PDF]

open access: yesConserv Biol
Abstract Illegal wildlife trade (IWT) is a persistent and extensive threat to global biodiversity. Hundreds of marine fish species are subject to regulation under the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), but it is unclear how much protection species gain from CITES because information on marine fish ...
Foster SJ   +3 more
europepmc   +2 more sources

La Unión Europea veinte años después de Maastricht: hitos y retos

open access: yesCuadernos Europeos de Deusto, 2014
El presente artículo, a modo de balance provisional, señala algunos de los principales hitos del proceso de integración europea: la paz entre los Estados europeos —una verdadera paz estructural—, la Unión política, el tratado constitucional.
Igor Filibi
doaj   +1 more source

La ética calicleana

open access: yesAnales del Seminario de Historia de la Filosofía, 2019
El propósito de este artículo es ofrecer una reconstrucción de la teoría ética presentada porCalicles en el Gorgias de Platón, con el apoyo de otros textos de la época que contribuyen a explicardicha teoría y a refinarla.
Javier Echeñique Sosa
doaj   +1 more source

The architecture degree zero

open access: yesEGA, 2013
The thesis of this article defends the physiological and anthropological foundations of architecture against the sociological and aesthetic ones based on conventional codes.
Angelique Trachana
doaj   +1 more source

2009 - Año Internacional de la Astronomía, una oportunidad para promover la ciencia

open access: yesEducación Química, 2018
Con el Año Internacional de la Astronomía 2009 (AIA2009), celebramos un momento crucial en la historia de la ciencia: la primera observación astronómica con un telescopio, hecha por Galileo Galilei en 1609. El invento del telescopio dio inicio a 400 años
Silvia Torres Castilleja
doaj   +1 more source

Texto definitivo adoptado por la Convención Europea de los Jóvenes [PDF]

open access: yes, 2011
Convención Europea ...
Convención Europea. Secretaría
core  

Equity considerations in the proposed wildlife protocol to the Convention against Transnational Organized Crime

open access: yesConservation Biology, EarlyView.
ABSTRACT Wildlife trafficking poses a critical threat to global biodiversity, contributes to organized crime, and has disproportionate impacts on underserved and Indigenous communities. Although international legal instruments, such as the Convention on International Trade in Endangered Species of Wild Fauna and Flora, and institutional collaborations,
Chad Patrick Osorio
wiley   +1 more source

Unas ciencias para el siglo XXI. el caso de las CMC en España

open access: yesEducación Química, 2018
El número de jóvenes europeos que se sienten atraídos por carreras de ciencias no deja de descender y lo hace tanto en valores absolutos como relativos afectando a la casi totalidad de los países.
Emilio Pedrinaci
doaj   +1 more source

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