Natura Bekesiensis - Időszakos természettudományi közlemények 2. (Békéscsaba, 1996)

Molnár Zsolt: A Pitvarosi-puszták és környékük vegetáció- és tájtörténete a középkortól napjainkig

Conclusion: The alkaline steppes of the area are primary, probable continuous with the Boreal climatic alkaline steppes. 2. In the Great Plain almost all natural wetlands have been completely or severely drained.) Bits of information found: - Maps: The map series (see figure) shows that the extent of temporal marshes decreased but the area with spring inland waters changed very little in the last 200 years. - Maps: The I. (1784) and II. (cca.1863) military maps indicate semi-perennial marshes which generally dried up by the end of summer. - Written history: On the estate of the Blaskovics family in the first half of the 20th century the marshes dried out by the summer. - Observation: Since the drainage in the early 1980ies temporal marshes dry out by the beginning of the summer and today are even smaller than indicated on the newest map. Conclusion: The extent and the longevity of temporal marshes decreased considerably but the extent of the spring inland waters changed only a little. 3. Present flora and soils show that riverine forests, alkali and loess oak woodlands are potential in the area. Bits of information found: - Archaeology: Quercus pubescens charcoal from the Bronze Age. 100