Biodiversity

Environment Food and Rural Affairs written question – answered on 14th June 2007.

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Photo of Christopher Huhne Christopher Huhne Shadow Secretary of State for the Environment, Environment, Food & Rural Affairs

To ask the Secretary of State for Environment, Food and Rural Affairs how many and what percentage of (a) priority habitats and (b) priority species under the Biodiversity Action Plan are decreasing; and which habitats and species are involved.

Photo of Barry Gardiner Barry Gardiner Parliamentary Under-Secretary (Department for Environment, Food and Rural Affairs) (Biodiversity, Landscape and Rural Affairs)

There are 373 single species action plans and 45 habitat action plans under the UK biodiversity action plan. These are referred to as the priority species and habitats. Reporting on the status and trends of these priorities is done every three years. The latest available figures are for 2005. The next and final figures before the 2010 biodiversity target will be made available in February 2009. In 2005, the information below was reported:

175 species (47 per cent.) are either increasing or are stable, which is an improvement on the 2002 figures. Similarly, the number of species assessed as 'declining or lost' fell between 2002 and 2005. For habitats, 35 per cent. are now increasing or stable.

102 species (27 per cent.) are thought to be declining, but the decline is slowing for 36 species (10 per cent.). Although 17 habitats (39 per cent.) are thought to be declining, this decline is slowing for 11 habitats (25 per cent.).

Declining habitats

Chalk rivers;

Coastal and floodplain grazing marsh;

Littoral and sublittoral chalk;

Sheltered muddy gravels;

Modiolus modiolus beds;

Coastal saltmarsh.

Declining habitats but slowing

Fens;

Lowland dry acid grassland;

Purple moor grass and rush pastures;

Eutrophic standing waters;

Blanket bog;

Lowland wood-pasture and parkland;

Upland hay meadows;

Upland calcareous grassland;

Lowland calcareous grassland;

Lowland meadows;

Limestone pavements;

Declining species
Thlaspi perfoliatum Cotswold Pennycress
Silene gallica Small-flowered Catchfly
Ranunculus tripartitus Three-lobed Water-crowfoot
Pyrrhula pyrrhula Bullfinch
Pallavicinia lyellii Veilwort
Orthotnchum pallens Pale Bristle-moss
Mentha pulegium Pennyroyal
Luronium natans Floating Water Plantain
Liparis loeselii Fen Orchid
Limoniscus violaceus Violet Click Beetle
Juncus pygmaeus Pygmy Rush
Idaea ochrata cantiata Bright Wave
Harpalus froelichi a Ground Beetle
Gentianella uliginosa Dune Gentian
Galium tricornutum Corn Cleavers
Galeopsis angustifolia Red Hemp-nettle
Formica candida Black bog ant
Ditrichum plumbicola Lead-moss
Cicindela sylvatica Heath Tiger Beetle
Cerastium nigrescens Shetland Mouse-ear
Bidessus unistriatus a Diving Beetle
Anostirus castaneus Chestnut coloured click beetle
Eunicella verrucosa Pink Sea-fan
Zygodon gracilis Nowell's Limestone Moss
Weissia multicapsularis Moss
Tetrao tetrix Black Grouse
Streptopelia turtur Turtle Dove
Squamarina lentigera Scaly Breck-Lichen
Sium latifolium Greater Water Parsnip
Sciurus vulgaris Red Squirrel
Schismatomma graphidioides a Lichen
Rheumaptera hastate Argent and sable
Raja batis Common Skate
Potamogeton compressus Grass-wrack Pondweed
Oria musculosa Brighton Wainscot
Muscicapa striata Spotted Flycatcher
Miliaria calandra Corn Bunting
Melanitta nigra Common Scoter
Margaritifera margaritifera Freshwater Pearl Mussel
Lycopodiella inundata Marsh Clubmoss
Lycia zonaria britannica Belted Beauty
Linnaea borealis Twinflower
Leptopsammia pruvoti Sunset Cup Coral
Leptodontium gemmascens Thatch Moss
Juniperus communis Juniper
Jodia croceago Orange Upperwing
Hydroporus rufifrons a Diving Beetle
Heliophobus reticulata Bordered Gothic
Formica rufibarbis Red Barbed Ant
Donacia bicolora a Reed Beetle
Damasonium alisma Starfruit
Cotoneaster integerrimus Wild Cotoneaster
Chrysotoxum octomaculatum a Hoverfly
Chaenotheca phaeocephala a Lichen
Carduelis cannabina Linnet
Caloplaca luteoalba Orange-Fruited Elm-lichen
Calicium corynellum a Lichen
Bryoria smithii a Lichen
Boloria euphrosyne Pearl-bordered Fritillary
Bidessus minutissimus a Diving Beetle
Austropotamobius pajlipes Freshwater White-clawed Crayfish
Aspitates gilvaria gilvaria Straw Belle
Anisus vorticulus Ramshorn snail
Alauda arvensis Skylark
Acrocephalus palustris Marsh Warbler
Declining species but slowing
Zygaena loti scotica Slender Scotch Burnet
Woodsia ilvensis Oblong Woodsia
Triturus cristatus Great Crested newt
Tolypella intricata Tassel Stonewort
Segmenting nitida Shining ram's-horn snail
Potamogeton rutilus Shetland Pondweed
Polia bombycina Pale Shining Brown
Plebejus argus Silver-studded Blue
Perdix perdix Grey Partridge
Pechipogo strigilata Common Fan-foot
Ostrea edulis Native Oyster
Osmia xanthomelana a Mason Bee
Odontomyia hydroleon a Soldierfly
Muscardinus avellanarius Dormouse
Mejiicta athaila Heath Fritillary
Lejeunea mandonii Atlantic lejeunea
Jynx torquilla Wryneck
Hemaris tityus Narrow-bordered Bee Hawk-moth
Hammerschmidtia ferruginea a Hoverfly
Graphoderus zonatus Spangled Water Beetle
Formica exsecta Narrow-headed Ant
Eurodryas aurinia Marsh Fritillary
Eristalis cryptarum Bog hoverfly
Enterographa elaborate New Forest beech-lichen
Dicycla oo Heart Moth
Coiietes floralis The Northern Colletes
Coenagrion mercuriale Southern Damselfly
Cephaloziella nicholsonii Greater Copperwort
Carterocephalus palaemon Chequered Skipper
Bufo calamita Natterjack Toad
Athetis paijustris Marsh Moth
Asparagus officinalis ssp. prostratus Wild Asparagus
Asilus crabroniformis Hornet robberfly
Arvicola terrestris Water Vole
Argynnis adippe High Brown Fritillary
Agabus brunneus a Diving Beetle

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