The surface of Lake Chad, for example, has declined dramatically since the 1960s due to decreased rainfall and discharge from the Chari river (Talling and Lamoalle 1998). | La superficie del lago Chad, por ejemplo, ha disminuido en forma espectacular desde el decenio de 1960 debido a la disminución de la precipitación y de las descargas del río Chari (Talling y Lamoalle, 1998). |
In another experiment (Talling et al., 1998), swine exposed to intermittent, sudden sounds were more reactive than when they were exposed to a constant sound. | En otro experimento (Talling y otros, 1998), los cerdos expuestos a sonidos súbitos e intermitentes reaccionaban más que si se los exponía a un sonido constante. |
Talling et al. (1996) reported that piglets had increased heart rates when they were exposed to high- frequency and high-intensity (sound pressure) sounds, whereas piglets' movement was associated only with loudness. | Talling y otros (1996) informaron que cuando se exponía a lechones a sonidos de alta frecuencia y alta intensidad, se aceleraba su ritmo cardíaco, pero que sus movimientos estaban asociados solamente al volumen. |
