Brown frog breeding phenology in south Sweden 1990 – 2017 : Are data subsets robust?
- Field data on breeding phenology of Ranaarvalis and R.temporaria for the period 1990- 2017 in Scania, Sweden are presented and analysed. There was no temporal trend for R.temporaria. ForR.arvalisthe results were mixed, one out of two approaches found a trend to earlier breeding. The lack of a consistent trend in breeding phenology is unsurprising considering that local mean air temperatures in F