Portsdown
Site of Special Scientific Interest in Hampshire, England
title: "Portsdown" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["sites-of-special-scientific-interest-in-hampshire"] description: "Site of Special Scientific Interest in Hampshire, England" topic_path: "technology/web" source: "https://en.wikipedia.org/wiki/Portsdown" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary Site of Special Scientific Interest in Hampshire, England ::
::data[format=table title="Infobox SSSI"]
| Field | Value |
|---|---|
| image | Chalk grasslands on Portsdown Hill - geograph.org.uk - 1014122.jpg |
| name | Portsdown |
| aos | Hampshire |
| interest | Biological |
| gridref | |
| area | 69.1 ha |
| notifydate | 1984 |
| map | Magic Map |
| :: |
|image= Chalk grasslands on Portsdown Hill - geograph.org.uk - 1014122.jpg |image_caption = |name= Portsdown |aos= Hampshire |interest=Biological |gridref= |area= 69.1 ha |notifydate= 1984 |map= Magic Map Portsdown is a 69.1 ha biological Site of Special Scientific Interest on Portsdown Hill, on the northern outskirts of Portsmouth in Hampshire.
This is a linear south-facing escarpment with a rich chalk grassland flora. The diverse insect fauna includes all the chalk downland butterflies and a population of the largest British bush cricket, Tettigonia viridissima. On the lower slopes, raised beaches indicate former sea levels.
References
References
- "Designated Sites View: Portsdown". Natural England.
- "Map of Portsdown". Natural England.
- "Portsdown citation". Natural England.
::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::