Flower-rich grasslands, full of wildflowers such as orchids, snake's head fritillaries and bird's-foot trefoil support an abundance of insects, from bumblebees to butterflies.

This is a strange, sparse habitat of grassland growing on old mining tracks and slag heaps, on river gravels and naturally exposed metal-rich soils in the mountains. Only the toughest metal-loving…

Limited in distribution, this sweetly-scented, short-cropped, springy grassland is famed for its abundance of rare and scarce species.

A chalk reef is a natural seabed made from chalk that rises above the surrounding seafloor.