BGS Hosted Metadata
Small rodent dynamics at Lathkill Dale SSSI, Derbys, 1971- 2005
This dataset describes 35 years of 6-monthly population sampling of adult and juvenile bank voles Myodes glareolus and wood mice Apodemus sylvaticus in a Derbyshire Ash Fraxinus excelsior woodland, together with annual and seasonal ash fruit-fall and a measure of winter severity. Additional data describe a 4 year experiment on a nearby study area where in two winters supplementary ash fruit were supplied and population data collected in parallel to the main study area. Woodland small mammal population dynamics are commonly influenced by variable food supplies (due to masting), climate and population density. However, the effects of precise environmental variables are poorly understood. To explain between-year variations in bank vole and wood mouse reproductive/population growth rates, we applied a state-space model to 33 years of live-trapping data. Experimental additions of ash fruit in winter aided interpretation. Full details about this dataset can be found at https://doi.org/10.5285/80ee4e00-7301-4c40-9dba-12dd0d21b7c7
Simple
- Date (Publication)
- 2015-03-24
- Citation identifier
- CEH:EIDC: / 1427194525815
- Citation identifier
- https://catalogue.ceh.ac.uk/id/80ee4e00-7301-4c40-9dba-12dd0d21b7c7
- Citation identifier
- doi: / 10.5285/80ee4e00-7301-4c40-9dba-12dd0d21b7c7
- Other citation details
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Flowerdew, J.R., Amano, T., Sutherland, W.J. (2015). Small rodent dynamics at Lathkill Dale SSSI, Derbys, 1971- 2005. NERC Environmental Information Data Centre 10.5285/80ee4e00-7301-4c40-9dba-12dd0d21b7c7
- Point of contact
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Organisation name Individual name Electronic mail address Role University of Cambridge Flowerdew, J.
Point of contact University of Cambridge Flowerdew, J.R.
Originator University of Cambridge Flowerdew, J.R.
Owner University of Cambridge Flowerdew, J.R.
Author University of Cambridge Amano, T.
Author University of Cambridge Sutherland, W.J.
Author NERC EDS Environmental Information Data Centre Custodian NERC Environmental Information Data Centre Publisher
- Maintenance and update frequency
- Not planned
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GEMET - INSPIRE themes, version 1.0
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Environmental Monitoring Facilities
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- Access constraints
- Other restrictions
- Other constraints
- no limitations
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- Other restrictions
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© Dr J.R. Flowerdew
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- Other restrictions
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If you reuse this data, you should cite: Flowerdew, J.R., Amano, T., Sutherland, W.J. (2015). Small rodent dynamics at Lathkill Dale SSSI, Derbys, 1971- 2005. NERC Environmental Information Data Centre https://doi.org/10.5285/80ee4e00-7301-4c40-9dba-12dd0d21b7c7
- Spatial representation type
- Text, table
- Language
- English
- Character set
- UTF8
- Topic category
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- Environment
- End date
- 2005-12-31
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- Unique resource identifier
- WGS 84
- Distribution format
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Name Version Comma-separated values (CSV)
- Distributor contact
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Organisation name Individual name Electronic mail address Role NERC EDS Environmental Information Data Centre
Distributor
- OnLine resource
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Protocol Linkage Name https://data-package.ceh.ac.uk/data/80ee4e00-7301-4c40-9dba-12dd0d21b7c7 Download the data
- OnLine resource
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Protocol Linkage Name https://data-package.ceh.ac.uk/sd/80ee4e00-7301-4c40-9dba-12dd0d21b7c7.zip Supporting information
- Hierarchy level
- Dataset
- Other
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dataset
Conformance result
- Title
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Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
- Date (Publication)
- 2010-12-08
- Statement
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Numbers were estimated (May/June, November/December) by catch-mark-release live-trapping in an English ash woodland (0.45 ha) and fruit-fall (September-March/April) measured. December-March mean minimum daily temperature represented winter severity. Total marked adult mice/voles provided density indices validated against a model-generated population estimate; this allowed estimation of the structure of a time-series model and the demographic impacts of climatic/biological variables. Juveniles were similarly assessed in May/June. In two winters of insignificant fruit-fall 6.79 gm-2 edible heat-treated ash seed (as fruits) was distributed over 0.45 ha of similar nearby woodland live-trapped in parallel. Population data for bank voles Myodes glareolus and wood mice Apodemus sylvaticus were generated from live-trapping samples (90 Longworth traps at 30 (6 x 5) points in groups of 3) taken over two days of trapping (following 2 days of pre-baiting) carried out at approximately 6-monthly intervals from early December 1971 to late November 2005. Modelling: To explain between-year variations in bank vole and wood mouse reproductive and population growth rates, we applied a state-space model to 33 years of live-trapping data. Total marked adult mice/voles provided density indices validated against a model-generated population estimate; this allowed estimation of the structure of a time-series model and the demographic impacts of climatic/biological variables. Juveniles were similarly assessed in May/June. Daily Minimum Temperature records (December- March) from Buxton Met Station were supplied by BDS (contract to JRF). Mean minimum daily temperature from December to March inclusive was taken as an index of winter severity. Fruitfall of Fraxinus excelsior on the 0.45 has study area was measured annually (1971-2005) as g-2 dry weight edible seed over the period September-March or April (depending on whether fruit remained on the trees after March) by collections at about 6-week intervals. The annual total fruits collected in 20 regularly spaced dustbins (total area 3.32 m2) was divided for analysis into Sept-December and December-March/April sub-totals. Dustbins had internal conical nets, allowing the fruit to be protected from predators until removed. Fruits were separated from plant debris and edible (unparasitised)seeds were then removed from the pericarp (wing), counted, dried at 80degreesC to constant weight and combined as a total annual sample or two sub-totals as above as g (dry weight ash seed)m-2 . Experimental addition of supplementary ash fruit. From October to March 1981-82 and 1984-85, (years of negligible natural fruit-fall) 60 kg of heat-sterilized ash fruit (pericarps treated at 80 degrees C for 2 days) were distributed in the same monthly proportions observed in 1966-7 (Gardner 1977). Fruits were scattered fortnightly at the 5 x 4 (20) intermediate points 7.5 m from the nearest trapping points within a 6 x 5 point 0.45 ha grid, similar to, and circa 150m west of, the main (control) study area. Assuming the fruits were effectively scattered they provided 6.79 gm-2 of edible ash seed, just below the two highest fruitings recorded from 1971-81. This experimental grid was live-trapped at the same intervals as the main study area from December 1981 to June 1985 so that the dynamics with additional ash fruit (1981-82, 1984-85) and without it (1982-83, 1983-84) could be compared with the dynamics on the main (control) study area.
Metadata
- File identifier
- 80ee4e00-7301-4c40-9dba-12dd0d21b7c7 XML
- Metadata language
- English
- Character set
- 8859 Part 1
- Hierarchy level
- Dataset
- Hierarchy level name
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dataset
- Date stamp
- 2025-03-21T13:20:03
- Metadata standard name
- UK GEMINI
- Metadata standard version
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2.3
- Metadata author
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Organisation name Individual name Electronic mail address Role NERC EDS Environmental Information Data Centre Point of contact
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