Diversity of bird populations in ecosystems of agricultural crops in the suburban area of Timisoara city, in hiemal season.

Agroecosystems of periurban areas in Timisoara city are represented by agricultural crops (in the north i s USAMVB Timisoara resort, adjacent thoroughfares to Calea Aradului si Calea Torontalului and in the south Calea Sagului area), pastures (Freidorf area in the western side and in the south eastern the areaof Calea Buziasului � Calea Mosnitei , aiming at a mixed grassland