Liberation of Belgium Second Army captured Antwerp, the port city on the river Scheldt in northern Belgium, close to the Netherlands, on 4 September as well. In the following days and weeks, the Battle of the Scheldt claimed many lives, as the port of Antwerp could not be operated effectively without control of the Scheldt estuary. Antwerp was the first port to be captured by the Allies in near perfect condition, making it very valuable, especially with its deep water facilities. On 6 September, the 4th Canadian Armoured Division crossed the border with Belgium and took areas around Ypres and Passchendaele. Between 9
Lists of organisms by population Lists of organisms by population This is a collection of lists of organisms by their population. While most of the numbers are estimates, they have been made by the experts in their fields. Species population is a science falling under the purview of population ecology and biogeography. Individuals are counted by census, as carried out for the piping plover; using the transect method, as done for the mountain plover; and beginning in 2012 by satellite, with the emperor penguin being first subject counted in this manner. More than 99 percent of all species, amounting to over five billion species, that