Pastures YWT

Rievaulx, Hawnby

Site Details

Recorders : Rachael Haw, Kate Yates, Peter Christopherson, Gemma Brown Distance: 1157m Walk time: 45mins

YWT Ashberry Pastures transect is set with the tall vegetation to the crystal clear stream fed by calcium rich springs which runs through the reserve. There were many plants typical of limestone marsh and grassland, the first we noticed being extensive patches of Marsh Lousewort; Marsh Valerian, Marsh Pennywort and Marsh Bedstraw were also found There abundant abundant sedges such as Glaucous, Carnation, Hairy and Bottle and at least four species of rush, plus Butterwort along with Bird’s-eye Primroses.

Its butterfly importance is because it is a former Duk of Burgundy site


The damp areas of section 1 favours the Orange Tip . The first three sections are mostly grassland favoured by Large and Small Skippers, Dingy Skipper and the Browns. As you head upwards entering more dense woodland in Section 4 and 5 opening in section 6 Section 7 yields larger numbers particularly woodland species including a single Silver-washed Fritillary in 2020 and Speckled wood but also Wall has been seen.

Results 2021 (incomplete)

The species profile on the site have changed dramatically over the last few years but data is a liitle sparce to get a complete picture except to say the skippers have increased dramtically in the first 3 sections as have the Browns but to a lesser extent

Transect reports 2020

Results 2017 ( last complete season)