Results 41 to 50 of about 574,315 (255)

Conocimientos y comportamientos de los usuarios de la red social Facebook relacionados con la privacidad [PDF]

open access: yes, 2014
Este estudio examina tres variables relacionadas con la privacidad de la información en la red social Facebook: la preocupación que muestran los usuarios por la privacidad de la información que se publica en la red social, el conocimiento real que ...
Durán Segura, Mercedes   +1 more
core  

Exploring gaps, biases, and research priorities in the evidence for reptile conservation actions

open access: yesConservation Biology, EarlyView.
Abstract With over 21% of reptile species threatened with extinction, there is an urgent need to ensure conservation actions to protect and restore populations are informed by relevant, reliable evidence. We examined the geographic and taxonomic distribution of 707 studies that tested the effects of actions to conserve reptiles synthesized in ...
Oliver Speight   +9 more
wiley   +1 more source

Volcanic monitoring and hazard assessment in El Salvador

open access: yesVolcanica, 2021
The Salvadorean volcanic range forms part of Central America Volcanic Arc and is located on the Pacific ring of fire. El Salvador is a country with at least twenty Holocene-active volcanic structures and where most of the population, including the ...
Rodolfo Antonio Castro Carcamo   +1 more
doaj   +1 more source

Assessing limits of sustainable seed harvest in wild plant populations

open access: yesConservation Biology, EarlyView.
Abstract Seed harvesting from wild plant populations is key for ecological restoration, but it may threaten the persistence of the source populations. Consequently, several countries have set guidelines limiting the proportions of harvestable seeds. However, these guidelines are inconsistent and lack a solid empirical basis.
Anna Bucharova   +3 more
wiley   +1 more source

A case of intersex occurrence in Steindachneridion parahybae (Steindachner, 1877) (Siluriformes: Pimelodidae) under captivity condition: A cytogenetic and morphological study [PDF]

open access: yes, 2016
Poco se sabe sobre la biología reproductiva de Steindachneridion parahybae , una especie de teleósteo gonocorístico en peligro de extinción que habita la cuenca del río Paraíba do Sul y en éste trabajo se describe por primera vez la aparición de ...
Caneppele, Danilo   +4 more
core   +2 more sources

Community‐informed and codesigned research to understand the impacts of railways on wildlife

open access: yesConservation Biology, EarlyView.
Abstract Trains cause mortalities of several animal species, but the ecological impacts of railways are understudied. Most research on wildlife–train collisions has focused on large mammals, but understanding railway‐specific risks for underrepresented taxa, especially vulnerable species, is important for developing effective mitigation strategies ...
Kyle D. Vincent   +5 more
wiley   +1 more source

Lahares secundarios en el volcán Popocatépetl: El lahar Nexpayantla del 4 de febrero, 2010

open access: yesRevista Mexicana de Ciencias Geológicas, 2020
Los lahares secundarios representan una de las mayores amenazas en volcanes activos o en estado de quietud, por lo tanto, es importante estimar la frecuencia, distribución y los mecanismos disparadores en diferentes volcanes para establecer escenarios ...
Gabriela Zaragoza   +3 more
doaj   +1 more source

India: ¿el auge económico en peligro? [PDF]

open access: yes, 2008
La economía de la India está registrando una creciente inflación, ante la que las autoridades pueden verse obligadas a reaccionar con una política monetaria fuertemente restrictiva.
Bustelo, Pablo
core  

Downlisting and recovery of species assessed by the IUCN

open access: yesConservation Biology, EarlyView.
Abstract Despite the increasing number of species assessed for extinction risk by the International Union for Conservation of Nature (IUCN) (163,040 species as of 2024), only about 1 in 1,000 have been downlisted due to genuine population improvement. Although this rare conservation achievement has been widely celebrated in several recent cases, some ...
Mu‐Ming Lin   +7 more
wiley   +1 more source

Metodología para la estimación del peligro sísmico con base en la teoría de vibraciones aleatorias [PDF]

open access: yes, 2007
Se pretende mostrar la metodología a seguir para estimar el peligro sísmico en un sitio que cuenta con escasa información al respecto. Para ello se formulan y aplican dos planteamientos deterministas diferentes (teoría de vibraciones aleatorias y ...
VALDES GONZALEZ, JESUS   +1 more
core  

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