Uploaded on 2016-11-20 by Blazej Golacki
Most important stock and flows in the cities that I live (Poznan/Gorzow Wielkopolski) are: 1. New residents of the city coming from suburbs and surrounding cities. (Poznan) Poznan is perfect example of stocks and flows in term of people. In early years after WWI number of inhabitants was 320 000. And it start to grow constantly to achive maximum number of 590 000 in 1990. After this peak it start to drop and is now oscillate in boundries of 540 000. It shows the flow of new inhabitants to the city during postwar time, and also flow of people represent by decreasing of the number of people caused by bigger death rate than birth rate (national trend) 2. Change of the density of the "Pope square" from 1997 to 2016 (Gorzow Wielkopolski) This two pictures shwos change in density on "Pope square" in Gorzow Wielkopolski: 1997 - http://www.niedziela.pl/gifs/n201113_014.jpg 2015 - http://www.mdk.gorzow.pl/files/1%20(2)[13].jpg During nearly 20 years all of the area (exept small piece in front of the "Pope alter") was filled with residental buildings. In late 90' it was unthinkable, because this area was located on the far suburbs of the citie and now after 20 years it looks like another citie center with new residental building, commercial places and malls. It is interesting that number of inhabitants in the city dropped from 1997 so development of this area resulted in depopulation of another parts of the city. 3. Claiming land form the Warta river (Poznan) In postwar time Warta area look different than now (http://1.bp.blogspot.com/-Kc79Z8eH8ys/UR6pvTJtqFI/AAAAAAAAChQ/CEZh7NGaS44/s1600/widok+z+lotu+ptaka.jpg). It is shown on the attached picture. Now old trench of the rover is burried and you can see new residental buildings and parks on the surface. It shows flow of the land i nthe city and this place is now example of stock bu in near future it can be flow again because ther are ideas of restoring old look of the river again. Benefit from stocks and flows in future is presented in pint nr 1. In near future Poznan should invest in office areas and education. It will result in flow of new inhabitants from smaller cities and it will probaly top deat rate in the city. Increasing number of young and movable inhabitants will stimulate economics of the city.