Spatiotemporal data on pedunculate oak leafing and peak frass dates for the UK

Data to accompany paper on “Tritrophic mismatch in space and time”. Observations are on the phenology of oak first leaf date and the peak caterpillar frass date across the UK for the period 1998 to 2016. The oak phenology data were collected by the Nature’s Calendar citizen science scheme (https://naturescalendar.woodlandtrust.org.uk/). We request that anyone who wishes to use these data informs [e-mail]. The caterpillar frass data were collected by various groups. We request that anyone wishing to use these data contacts Malcolm Burgess ([e-mail]).