8706
" Opuntia ficus-indica " is being advantageously used in Tunisia and Algeria to slow and direct sand movement and enhance the restoration of vegetative cover , minimizing deterioration of built terraces with its deep and strong rooting system .
 location: Tunisia; location: Algeria
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 location: Tunisia; location: Algeria