Rapid ex-ante environmental impact assessment of livestock intensification strategies on mixed crop-livestock and agro-pastoralist farmers in Tanga region, Tanzania - Paul, Birthe K.; Birnholz, Celine A.; Koge, J.; Fraval, Simon; McFadzean, J.; Omore, Amos O.; Notenbaert, An Maria Omer (International Center for Tropical Agriculture, 2015)