Results 31 to 40 of about 1,034,857 (272)
Notas sobre el tamaño del genoma en el híbrido Ranunculus x luizetii (Ranunculaceae) y sus progenitores mediante citometría de flujo.- Se ha empleado la citometría de flujo para estimar el contenido de ADN nuclear en el híbrido Ranunculus x luizetii y ...
E. Cires +2 more
doaj +1 more source
El papel de los organismos internacionales en el diseño de políticas públicas de desarrollo
Este artículo tiene como objetivo examinar teórica y empíricamente el papel de los organismos internacionales en el diseño de políticas públicas de desarrollo bajo un contexto de relaciones de poder asimétricas entre actores estatales y no estatales.
E. R. Hernández
semanticscholar +1 more source
Status clarification and disposal of Carrière’s ivy names
Carrière in 1890 published 34 names and 33 descriptions of a collection of live ivy plants. In this article we present the analysis of his work from a nomenclatural perspective.
Herminio Severiano Nava +2 more
doaj +1 more source
The impact of habitat fragmentation and isolation on the genetic diversity of populations has attracted much attention in studies of plant conservation.
Eduardo Cires +3 more
doaj +1 more source
Policies and regulations in Mexico with regard to genetic technology and food security [PDF]
In 1988 the first application for field trials of a GMO was formally received in Mexico. Since then a Biosafety law, few bylaws and national official standards were enacted in order to regulate the safe use of GMOs and to evaluate, control and avoid ...
Colmenarez Ortiz, Claudia +1 more
core +2 more sources
All termites secrete trail pheromones from their sternal gland, whereas ants use a variety of glands for this purpose. This and the diversity of chemical compounds that serve as trail pheromones among ants, and the uniformity of chemicals among termite ...
Klaus Jaffe +2 more
doaj +1 more source
O trabalho tem como objetivo analisar as atuais concepcoes sobre a formacao docente brasileira, tendo como mote as reformas educacionais empreendidas a partir da decada de 1990, as quais se acredita que foram abalizadas por organismos internacionais ...
Lourdes Rafaella Santos Florencio +2 more
semanticscholar +1 more source
Desde una mirada gubernamental, los órganos intermedios locales de educación requieren mejorar su eficacia y calidad. Desde una mirada de gobernanza, deberían establecer un nuevo contrato social con los actores locales.
Alex Ríos Céspedes
doaj +1 more source
espanolEste articulo es una reflexion sobre tres aspectos de la politica educativa: la calidad, las competencias y las pruebas estandarizadas, desde la mirada de los organismos internacionales, comparandolos en tres momentos en la historia: los noventa ...
Ragnhild Guevara Patiño
semanticscholar +1 more source
Challenging the narrative about howler monkeys' high resilience to anthropogenic changes, our multiscale analysis reveals the costs of habitat disturbance to their movement ecology. We identify thermal limitations, reduced travel efficiency, and significant spatial saturation.
Anaid Cárdenas‐Navarrete +4 more
wiley +1 more source

