drought dry meadow land with lowland fens bolboschoenus maritimus, drying up the soil cracked, climate change

agricultural background bog bolboschoenus broken change climate cracked cracks czech danger death degradation desert desertification desiccation dirt dirty drought dry earth ecology environment europe fens flowering geology ground land leaf leaves lowland maritimus marsh meadow nature opium plant pond ponds poppyhead problem republic rough set soil summer surface swamp