The country's most endangered butterfly, the high brown fritillary, saw its small population slump by 46%, while another rare species, the black hairstreak, fell by 98%, as 300,000 fewer butterflies were recorded on the wing compared with 2011.
Two years later, shortly after the first mink was recorded on the river, the population slumped by 97%.
The growth rate of the city's population slumped, from 5.6% a year during the 1950s to 0.8% since 1991.
But the country's Jewish population slumped after the Islamic revolution, when many Iranian Jews emigrated to Israel or other countries.
The creature immortalised as Ratty in The Wind in the Willows is vanishing from the British countryside, with the population slumping by more than one fifth, according to a new five-year survey.
In British waterways, a new five-year survey found that the water vole – the creature immortalised as Ratty in The Wind in the Willows – is vanishing from the British countryside, with the population slumping by more than one fifth.
But over time, as crime declined, jail populations slumped and the political environment shifted, the panel of mayoral appointees began to release fewer and fewer inmates, a tiny fraction of the thousands of cases it reviewed each year -- so few that some prosecutors and the mayor himself lost track of the panel's existence.
Italy's birth rate is among the lowest in the world, so unless immigrants are welcomed in much bigger numbers, the country's population could slump from 58m now to as little as 40m over the next half-century or so, making it smaller than, say, Poland's.And the south, including Sicily and Sardinia, still seems another country which indeed it was, until six generations or so ago.
The city's population has slumped by a tenth since 1990.In this section Do you mean it?
Every month or so a film crew arrives to shoot a gritty scene for "Law & Order" or some other projection of rough New York retrofitted to look like the rotten apple of forty years ago, when the city was lousy with crack and crime and the population was slumping.
Spring hunting is banned by the EU but the Maltese authorities obtain a exemption each year, enabling its 9,798 hunters to shoot 5,000 quail and 11,000 turtle doves, the latter a migratory bird whose British population has slumped by 95% since 1970.
