Climate and the individual: inter−annual variation in the autumnal activity of the european badger

We establish intra-individual and inter-annual variability in European badger (Meles meles) autumnal nightly activity in relation to fine-scale climatic variables, using tri-axial accelerometry. This contributes further to understanding of causality in the established interaction between weather con...

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Main Authors: Buesching, S, Macdonald, D
Format: Journal article
Published: Public Library of Science 2014
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author Buesching, S
Macdonald, D
author_facet Buesching, S
Macdonald, D
author_sort Buesching, S
collection OXFORD
description We establish intra-individual and inter-annual variability in European badger (Meles meles) autumnal nightly activity in relation to fine-scale climatic variables, using tri-axial accelerometry. This contributes further to understanding of causality in the established interaction between weather conditions and population dynamics in this species. Modelling found that measures of daylight, rain/humidity, and soil temperature were the most supported predictors of ACTIVITY, in both years studied. In 2010, the drier year, the most supported model included the SOLAR*RH interaction, RAIN, and30cmTEMP (w = 0.557), while in 2012, a wetter year, the most supported model included the SOLAR*RH interaction, and the RAIN*10cmTEMP (w = 0.999). ACTIVITY also differed significantly between individuals. In the 2012 autumn study period, badgers with the longest per noctem activity subsequently exhibited higher Body Condition Indices (BCI) when recaptured. In contrast, under drier 2010 conditions, badgers in good BCI engaged in less per noctem activity, while badgers with poor BCI were the most active. When compared on the same calendar dates, to control for night length, duration of mean badger nightly activity was longer (9.5 hrs ±3.3 SE) in 2010 than in 2012 (8.3 hrs ±1.9 SE). In the wetter year, increasing nightly activity was associated with net-positive energetic gains (from BCI), likely due to better foraging conditions. In a drier year, with greater potential for net-negative energy returns, individual nutritional state proved crucial in modifying activity regimes; thus we emphasise how a ‘one size fits all’ approach should not be applied to ecological responses.
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spelling oxford-uuid:18fae734-bc08-47da-ae98-af84c1a687aa2022-03-26T10:46:18ZClimate and the individual: inter−annual variation in the autumnal activity of the european badgerJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:18fae734-bc08-47da-ae98-af84c1a687aaDepartment of Computer SciencePublic Library of Science2014Buesching, SMacdonald, DWe establish intra-individual and inter-annual variability in European badger (Meles meles) autumnal nightly activity in relation to fine-scale climatic variables, using tri-axial accelerometry. This contributes further to understanding of causality in the established interaction between weather conditions and population dynamics in this species. Modelling found that measures of daylight, rain/humidity, and soil temperature were the most supported predictors of ACTIVITY, in both years studied. In 2010, the drier year, the most supported model included the SOLAR*RH interaction, RAIN, and30cmTEMP (w = 0.557), while in 2012, a wetter year, the most supported model included the SOLAR*RH interaction, and the RAIN*10cmTEMP (w = 0.999). ACTIVITY also differed significantly between individuals. In the 2012 autumn study period, badgers with the longest per noctem activity subsequently exhibited higher Body Condition Indices (BCI) when recaptured. In contrast, under drier 2010 conditions, badgers in good BCI engaged in less per noctem activity, while badgers with poor BCI were the most active. When compared on the same calendar dates, to control for night length, duration of mean badger nightly activity was longer (9.5 hrs ±3.3 SE) in 2010 than in 2012 (8.3 hrs ±1.9 SE). In the wetter year, increasing nightly activity was associated with net-positive energetic gains (from BCI), likely due to better foraging conditions. In a drier year, with greater potential for net-negative energy returns, individual nutritional state proved crucial in modifying activity regimes; thus we emphasise how a ‘one size fits all’ approach should not be applied to ecological responses.
spellingShingle Buesching, S
Macdonald, D
Climate and the individual: inter−annual variation in the autumnal activity of the european badger
title Climate and the individual: inter−annual variation in the autumnal activity of the european badger
title_full Climate and the individual: inter−annual variation in the autumnal activity of the european badger
title_fullStr Climate and the individual: inter−annual variation in the autumnal activity of the european badger
title_full_unstemmed Climate and the individual: inter−annual variation in the autumnal activity of the european badger
title_short Climate and the individual: inter−annual variation in the autumnal activity of the european badger
title_sort climate and the individual inter annual variation in the autumnal activity of the european badger
work_keys_str_mv AT bueschings climateandtheindividualinterannualvariationintheautumnalactivityoftheeuropeanbadger
AT macdonaldd climateandtheindividualinterannualvariationintheautumnalactivityoftheeuropeanbadger