Yes, your shed does need a base. This is to give it a solid, level foundation. Open soil will not help with the longevity of the shed itself or the contents within. The best materials to use to make your shed base are concrete, natural stone or wood.
Pathhead
Pathhead is an area of Kirkcaldy, in Fife, Scotland. Pathhead was an independent village prior to it was incorporated into the Royal burgh of Kirkcaldy. In Jan Blaeu's map of Scotland from the 17th century referral is made to the village of Peth-heed, existing day Pathhead. With the Firth of Forth to the south, Kirkcaldy to the 'west', Dysart to the east, as well as Gallatown, Sinclairtown and also Dunnikier to the north. The town houses the historic Ravenscraig Castle commissioned by James II in 1460; a lot of the previous premises of the Nairn's Linoleum Factories; and, the Manse in which both O. Douglas as well as John Buchan grew up. It keeps an eye out over the overlooked Pathhead Sands, and also industry today is centred on Hutchison's Flour Mill and also the Forbo-Nairn Plant. The historical centre of Pathhead is a triad of streets running parallel with the coast: Nether Street, Mid Street as well as what used to be Back Street, now Commercial Street. Water was supplied from wells at either end of Mid Street and lively commerce was centred on the Pathhead and also Sinclairtown Reform Co-operative Society of present-day Branning Court, which was developed in 1914.