Grasslands and Heathland

Suffolk’s heathlands, chalk grasslands and the unique grass-heath of the Brecks represent three distinct but ecologically related expressions of nutrient-poor, low-productivity land. Together they contain some of the county’s most threatened and most important species, and all three have suffered severe losses over the past century.

The Sandlings heathlands of the Suffolk coast and estuary belt were once extensive enough to define the region’s character, their open, purple-flowered expanses stretching between Ipswich and Southwold. Agricultural improvement, afforestation and development have reduced them to fragments, but what remains – at Sutton Heath, Dunwich Heath and Westleton Heath, among others – supports assemblages of heathland birds, reptiles and invertebrates that are among the best in lowland England. The nightjar (Caprimulgus europaeus) and woodlark are characteristic breeding species, and the nightjar’s churring call on a summer evening is one of the most evocative sounds in the Suffolk countryside. Nationally, over 80% of lowland heathland has been lost since 1800.

Suffolk’s chalk grasslands, concentrated in the west of the county, are species-rich in proportion to their extent, supporting communities of wildflowers and specialist invertebrates on shallow, calcium-rich soils. Rockrose (Helianthemum nummularium) is the assemblage’s chalk grassland flagship, its presence indicating the undisturbed, nutrient-poor conditions that chalk downland communities require.

The Breckland, straddling the Suffolk–Norfolk border, is unlike anywhere else in Britain. Its continental climate, low rainfall, and sandy, free-draining soils have produced a grass heath of exceptional rarity, characterised by mosses, lichens, and a flora influenced by steppe and boreal communities. The stone-curlew (Burhinus oedicnemus), which nests on bare stony ground in traditional Brecks arable and grass heath, has recovered significantly through targeted management, and the Brecks now hold the largest stone-curlew population in the UK. All three habitat types within this assemblage are under pressure from scrub encroachment, nitrogen deposition, and the cessation of traditional grazing, making active management essential.