When Israel resumed the war last month, it doubled the size of the buffer zone, pushing it as far as 3 kilometers (1.8 miles) into Gaza in some places, according to a map issued by the military.

The buffer zone and the Netzarim Corridor make up at least 50% of the strip, said Yaakov Garb, a professor of environmental studies at Ben Gurion University, who has been examining Israeli-Palestinian land use patterns for decades.