Spittle Bug data from the UK Environmental Change Network (ECN) terrestrial sites. These data are collected by quadrat sampling at all of ECN's terrestrial sites using a standard protocol. They represent continuous annual records from 1992 to the present day. Spittle Bugs adults (P. spumarius) are sampled and separated by colour morph; it is likely that the proportions of morphs are environmentally determined and will therefore be good indicators of environmental change. The data available on the Gateway are summaries derived from annual colour morph counts. Raw data are available, through a licensing system, from the ECN website - www.ecn.ac.uk.
ECN is the UK's long-term environmental monitoring programme. A wide range of integrated physical, chemical and biological variables which drive and respond to environmental change are collated, quality controlled and made freely available for scientific research. The data also form an important evidence base for UK environmental policy development.
ECN is a multi-agency programme sponsored by a consortium of fourteen government departments and agencies. These organisations contribute to the programme through funding either site monitoring and/or network co-ordination activities.
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