Results 51 to 60 of about 30,298 (242)

LAS MEDIDAS CAUTELARES INNOVATIVAS EN LA NUEVA INSTITUCIONALIDAD MEDIOAMBIENTAL

open access: yesRevista de Derecho (Coquimbo)
El presente trabajo tiene por objeto efectuar un análisis de los presupuestos necesarios para decretar medidas cautelares innovativas en los procedimientos medioambientales fijados por las Leyes 20.417 y 20.600.
MAITE AGUIRREZABAL GRÜNSTEIN
doaj   +1 more source

Hobbyist preferences for pet freshwater turtles

open access: yesConservation Biology, EarlyView.
Abstract The burgeoning pet trade is a primary threat to wild freshwater turtles worldwide. Although the risks from commercial exploitation of turtles have been discussed widely, there is little empirical research on preferences for pet turtles from a hobbyists’ perspective.
Jingjing Zhao   +7 more
wiley   +1 more source

ESTUDIO DE PELIGRO SÍSMICO DE ECUADOR Y PROPUESTA DE ESPECTROS DE DISEÑO PARA LA CIUDAD DE CUENCA

open access: yes, 2016
En este trabajo se presenta un estudio de peligro sismico para el Ecuador. La falta de catalogos sismicos completos, o en muchos casos la poca informacion relacionada al tema, hace que sea necesario un analisis probabilista de amenaza sismica de manera ...
P. D. Martínez, E. R. Angulo
semanticscholar   +1 more source

Instituto Geofísico – Escuela Politécnica Nacional, the Ecuadorian Seismology and Volcanology Service

open access: yesVolcanica, 2021
Ninety-eight Quaternary volcanoes have been identified in the Ecuadorian Andes and the Galápagos Islands, from them, nine experienced at least one eruption in the last twenty years. Additionally, about 35 % of the Ecuadorian population live in areas that
Patricio Ramon   +7 more
doaj   +1 more source

In vitro culture, cryopreservation, and field reintroduction of the endangered Mingan thistle

open access: yesConservation Biology, EarlyView.
Abstract Current plant conservation efforts are hindered by, for example, poor seed germination, low viability, and insufficient propagation and preservation technologies. To address these problems, we devised an approach to plant conservation that integrates conservation, preservation, and restoration (CPR), which uses advanced in vitro techniques. We
Mukund R. Shukla   +4 more
wiley   +1 more source

Evaluación de medios de cultivo in vitro para especies forestales nativas en peligro de extinción en Ecuador

open access: yes, 2018
Las especies nativas Myroxylon balsamum (balsamo), Tabebuia crhysantha (guayacan) y Tabebuia billbergii (madero negro), son especies forestales endemicas del bosque seco de la costa del Ecuador y Peru.
B. Indacochea   +6 more
semanticscholar   +1 more source

Lessons from an eradication under multiple constraints of an island rat population of record density

open access: yesConservation Biology, EarlyView.
Abstract Invasive rats threaten island biodiversity, disrupting ecosystems and endangering native species. Although rat eradication has succeeded on many islands, tropical islands present unique management challenges. Strict regulations and financial constraints on some tropical islands further limit proven eradication methods, complicating rodent ...
Tatiane Micheletti   +7 more
wiley   +1 more source

Design and construction of a teaching prototype for the study of control strategies applied to the ventilation of gas in underground mines

open access: yesIngeniería Investigación y Desarrollo, 2014
this paper shows the design and construction of a teaching prototype for the study and control of gas generation in mines. It is organized in the following way: review of the state of the art on the sensing of gases of mines ventilation, description of ...
John Jairo Niño-Tec   +3 more
doaj   +1 more source

Propuesta metodológica para la evaluación de la vulnerabilidad social en poblaciones afectadas por el peligro de inundación: el caso de Águilas (Murcia, sureste ibérico)

open access: yes, 2016
En aquesta recerca es duu a terme una valoracio de la vulnerabilitat social del risc de patir una inundacio per avinguda mitjancant la construccio d’un index en una poblacio del litoral murcia.
A. P. Morales   +2 more
semanticscholar   +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

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