The spruce and the hare
Título
:
The spruce and the hare
Resumen
:
For undetermined reasons, the population of the Snowshoe hare rises and falls dramatically every 8 to 10 years. The repercussions of this cycle affect a great number of living things, from the vegetation that the hare eats, to the animals that eat the hare. Human endeavours, too, when the cycle is high, and trapping of fur bearing animals when it is slow.
Fecha de publicación como intervalo
:
1992
Science alive
Descripción física
:
1 videocassette (15 min.) : sd., col. ; VHS
Término de la materia
:
Ecology
Síntesis
:
For undetermined reasons, the population of the Snowshoe hare rises and falls dramatically every 8 to 10 years. The repercussions of this cycle affect a great number of living things, from the vegetation that the hare eats, to the animals that eat the hare. Human endeavours, too, when the cycle is high, and trapping of fur bearing animals when it is slow.
Información de publicación
:
1992 n.p. ACCESS Network
| Biblioteca | Signatura topográfica | Tipo de material | Código de barras del documento | Estado |
|---|
| D.S. MacKenzie | VC 500 ACC | Teacher resource | 30522000071974 | Audio-Visual |