Introduction How to use this site Browser and system settings About our database Northern Ireland Credits Educators' notes Hide menu

Look up species Look up a postcode Invertebrate key Internet links UK environment maps Environmental indicators Glossary Supplementary info About this site E-mail us Hide menu

Classification Biodiversity definitions Species concept Tree of life Hide menu

Species-scape Exploring UK biodiversity Benefits of biodiversity Threats to biodiversity Saving biodiversity Hide menu

Biodiversity hotspots Species richness Range-size rarity Taxic richness Hide menu

Discussion Thinking it through Biodiversity threatened!   Fieldwork A tale of two trees How diverse does your garden grow? Hide menu