Population pressure, agricultural change and environmental degradation in the Himalayan region: A conceptual and methodological basis and some preliminary findings

agricultural development agricultural policies biodiversidad biodiversity cambio estructural changement structurel croissance de la population decision making deforestation economic theories environmental degradation food production himachal pradesh human population intensification land use politique agricole population density population growth population humaine production alimentaire sostenibilidad structural change sustainability toma de decisiones utilisation des terres