Climate change and air pollution monitoring in the UK is spearheaded by the Environmental Change Network which coordinates a series of long-term, continuous monitoring stations across the country. The Welsh contribution to this site is situated at Yr Wydffa NNR (operational since 1995).

CCW staff collect, store, analyse and interpret a wealth of data based on a set of key physical, chemical and biological variables which drive and respond to environmental change and air pollution.

In 2007 a Welsh network was established with 13 new sites were established on NNRs across Wales. These have dramatically increased the geographic coverage of the monitoring effort and will focus on detecting and quantifying changes to plant, bird and butterfly indicator species. The evidence collected will be used to guide policy and management on protected sites in the future.

Measurements taken


Environmental Change Network Sites (1)
Environmental Change Biodiversity Sites (13)
1
Climate - automatic weather station
Climate - automatic weather station

Wind speed & direction
Wind speed & direction

Air temperature &
humidity
Air temperature &
humidity

Solar radiation
Solar radiation

Soil moisture &
temperature
Soil moisture &
temperature

Rainfall & surface wetness
Rainfall
2
Wet deposition - pH, conductivity, chemical composition
Wet deposition - pH, chemical composition
3
Dry deposition – NOx and SO2

4
Water chemistry

5
Ammonia
Ammonia
6
Soil solution chemistry
Soil chemistry and biology
7
Invertebrates

8
Vegetation composition
Vegetation composition
9
Butterflies
Butterflies
10
Breeding birds
Breeding birds
11
Bats

12
Site management & basic site information
Site management & basic site information

NNRs with Environmental Change Network and Environmental Change Biodiversity Network Sites


Coedydd Aber
Oxwich
Cors Caron
Rhos Llawr Cwrt
Cors Erddreiniog
Skomer Island
Cwm Cadlan
Stackpole
Dyfi
Ty Canol
Newborough Warren & Ynys Llanddwyn
Y Berwyn
Ogof Ffynnon Ddu
Yr Wyddfa