Are these paraphrases?
It consists of two parts , Zemendorf and Stottera , both of which lie on the River Wulka downstream from Pottelsdorf and upstream from Antau .
It consists of two parts , Zemendorf and Stottera , both upstream of Pottelsdorf and downstream from Antau on the Wulka .

1). no;
2). yes;
1).