Weird LOD/landscape floating when rendering in sequencer which doesnt show up in viewport

Below is the view from editor:

as you can see no extra landscape, all beautiful.

And now below is the render using movie render queue:

so 1st what is that extra landscape on the left? is it lod related and if so how do i remove it? the landscape marked on right is the correct landscape. any solutions will help, but i have tried rendering with screen capture, by disabling both the landscape and water layers in landscape mode, tried fiddling with the landscape lod distribution settings altho at above renders they were default, reducing view distance multiplier in render queue and more. all to no avail. it also is visible when playing the game view, meaning pressing the green play button.

i would appreciate any and all help, cuz this is for my work and i kinda need these renders done soon. Thank you, hope you all have a wonderful day.