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       | Biological Recording/Monitoring | 
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| Centre for Ecology and Hydrology | 
| CEH is a leading body in the UK for research, survey and monitoring in terrestrial and freshwater environments. | 
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| Countryside Survey 2000 | 
| CS2000 is the longest running survey of the quality and extent of important semi-natural habitats in the UK. | 
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| National Biodiversity Network | 
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| NBN Search Engine | 
| Through the NBN Gateway, you can quickly find biodiversity information that is available within the National Biodiversity Network.  However, it is much more than a search engine and also allows you to access raw biodiversity data. | 
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| The UK Phenology Network | 
| Phenology is the study of the times of recurring natural phenomena especially in relation to climate change.  The Woodland Trust has joined forces with the Centre for Ecology & Hydrology to monitor and evaluate changes to nature's events.  This site enables anyone to register as a recorder and contribute data. | 
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| Tracking Mammals Partnership | 
| The Tracking Mammals Partnership is a collaborative initiative, involving 23 organisations with a variety of interests in UK mammals, which aims to improve the quality, quantity and dissemination of information on the status of mammal species in the UK. | 
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