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перенаселение n stresses
gen.	overpopulation; surplus population; overflow of population; over-population; overcrowding
biol.	overpopulating; congestion
construct.	overcrowding (района, города); overspill
ecol.	overcrowdedness
Makarov.	an overflow of population; overcrowding (города и т.п.); superabundant population

перенаселение: 13 phrases in 6 subjects

Biology	1
Construction	1
Ecology	3
Economy	5
General	1
Makarov	2