United Kingdom Butterfly Monitoring Scheme: collated indices 2013
Collated indices are a relative measure of butterfly abundance across monitored sites in the UK, calculated from data collected by the UK Butterfly Monitoring Scheme (UKBMS). Collated indices are calculated annually for each individual butterfly species that has been recorded on five or more sites in that year. Based on this criterion collated indices have been calculated for the entire UKBMS time series from 1976 to the current year for the majority of species. For some rarer species the time series starts in a later year due to lack of data. Collated indices are calculated using a statistical model that accounts for missing data. The number of sites for each species ranges from 5 to several hundred and varies from year to year. Since 2008 more than 1,000 sites have been monitored across the UK each year. Collated indices are calculated so that we can determine how butterfly populations are changing over time across the UK. This data can be used, for example, to determine where to target conservation efforts and to measure the condition of the UK countryside. Butterflies are recognised as important indicators of biodiversity and environmental change (e.g. as official UK Biodiversity Indicators), and have been used in numerous research studies to understand the impacts of changes in climate and the extent and condition of habitats. Although the UK Centre for Ecology & Hydrology (UKCEH) and Butterfly Conservation (BC) are responsible for the calculation and interpretation of the Collated indices, the collection of the data used in their creation is ultimately reliant on a large volunteer community. The UKBMS is funded by a consortium of organisations led by the Joint Nature Conservation Committee (JNCC). This dataset is updated annually and more recent versions of the UKBMS collated indices are available. Full details about this dataset can be found at https://doi.org/10.5285/31f301f5-5374-45c5-8db5-37ea43422b8d
dataset
https://data-package.ceh.ac.uk/sd/31f301f5-5374-45c5-8db5-37ea43422b8d.zip
name: Supporting information
description: Supporting information available to assist in re-use of this dataset
function: information
https://data-package.ceh.ac.uk/data/31f301f5-5374-45c5-8db5-37ea43422b8d
name: Download the data
description: Download a copy of this data
function: download
1412699335353
CEH:EIDC:
eng
biota
Species Distribution
publication
2008-06-01
creation
2006-01-01
annual
Lepidoptera
butterflies
-8.648
1.768
60.861
49.864
1974-04-01
2013-09-01
publication
2014-10-07
annually
Collated indices are produced using a series of statistical models on butterfly transect counts recorded by a volunteer network. These indices are a relative measure of each species' abundance across the UK compared to the baseline in 1976. The statistics are presented as log10 values. These values are centred around an arbitrary value of 2 as a mean for the time series in order to help show which years are below or above average (a technique used in other biodiversity indicators).
publication
2010-12-08
Comma-separated values (CSV)
If you reuse this data, you should cite: Botham, M., Roy, D., Brereton, T., Middlebrook, I., Randle, Z. (2014). United Kingdom Butterfly Monitoring Scheme: collated indices 2013. NERC Environmental Information Data Centre https://doi.org/10.5285/31f301f5-5374-45c5-8db5-37ea43422b8d
UK Centre for Ecology & Hydrology
pointOfContact
Butterfly Conservation
info@butterfly-conservation.org
pointOfContact
UK Butterfly Monitoring Scheme
resourceProvider
NERC EDS Environmental Information Data Centre
custodian
Centre for Ecology & Hydrology
author
Centre for Ecology & Hydrology
author
Butterfly Conservation
info@butterfly-conservation.org
author
Butterfly Conservation
info@butterfly-conservation.org
author
Butterfly Conservation
info@butterfly-conservation.org
author
NERC Environmental Information Data Centre
publisher
Environmental Information Data Centre
Lancaster Environment Centre, Library Avenue, Bailrigg
Lancaster
LA1 4AP
UK
pointOfContact
2022-05-06T11:11:25