Calcareous grassland

Botham, M.S., Ash, D., Aspey, N., Bourn, N. a. D., Bulman, C.R., Roy, D.B., Swain, J., Zannese, A. & Pywell, R.F. (2011) The effects of habitat fragmentation on niche requirements of the marsh fritillary, Euphydryas aurinia, (Rottemburg, 1775) on calcareous grasslands in southern UK. Journal of Insect Conservation, 15, 269–277.

Botham, M.S., Fernandez-Ploquin, E., Brereton, T.M., Harrower, C.A., Roy, D.B. & Heard, M.S. (2015) Lepidoptera communities across an agricultural gradient: how important are habitat area and habitat diversity in supporting high diversity?. Journal of Insect Conservation, 19, 403–420.