The phrase "scattered trees" means that trees are spread out or scattered in different areas rather than being closely grouped together. Full definition
Conceivably, a farm could have a limited number of scattered trees and come up with 20 % tree cover. (coffeehabitat.com)
The Sahel is a semiarid region with grasslands and scattered trees sandwiched between the Sahara Desert to the north and tropical savannas to the south. (sciencedaily.com)
It's not just the woman who is serene; it's the setting: A winding road in the background leads through scattered trees to a brightly lit clearing, with a bridge across a river and mountains in the distance, all under a blue sky. (discovermagazine.com)