Species Status Assessment project

The Species Status Assessment project assigns conservation status to our flora and fauna using the internationally-approved IUCN Red Data Book criteria and categories. These reviews are published in a new series entitles Species Status. Some reviews will include detailed data sheets, giving biological and other information relevant for conserving each species (for example, the Diptera reviews, Species Status numbers 2 and 3), while others will list the new conservation status assigned to each species, with supporting reasons and evidence for these judgements. The Species Status reviews can be purchased as paper publications or downloaded as electronic files free from here.

The Vascular Plant Red Data List for Great Britain (2005)

Cheffings, C. and Farrell, L. (Editors)

Produced as part of the JNCC Species Status Assessment project, to assess the status of vascular plants throughout Great Britain. IMPORTANT: the Vascular Plant Red Data List for Great Britain has recently been revised (2006). The amended version has been incoporated into a a single downloadable spreadsheet of conservation designations. This spreadsheet has various types of legislative and status lists and also includes other taxonomic groups.

The Odonata Red Data List for Great Britain (2008)

Daguet, C., French, G., Taylor, P., (eds)

The SSA project was established by JNCC in 1999. The project is the means by which the statutory conservation agencies, in partnership with voluntary conservation organisations and leading specialists, assign conservation status to British species and regularly revise previous Red Data Books and National Reviews. By assessing all taxa to the same standards, comparisons between taxa and between geographic areas are made easier. Such an undertaking is not without difficulty: species that have different life spans, different ecological niches, different reproductive strategies etc, do not always lend themselves to easy comparisons.

The Butterfly Red List for Great Britain

Richard Fox, Martin S Warren & Tom Brereton

Produced as part of the JNCC's Species Status Assessment project, this report contains the first assessment of British Butterflies against the new IUCN criteria (IUCN, 2001).

A Review of the scarce and threatened flies of Great Britain (2005)

Falk, S.J. and Crossley, R

This present volume deals with the Superfamily Empidoidea as defined by Chvála (1983), which total 673 British species in the latest Diptera check list (Chandler 1998a), now increased to 677 species (as of March 2003; Stubbs (2003)).

A review of the scarce and threatened flies of Great Britain (2005)

Falk, S.J. and Chandler, P.

The present volume deals with those Nematocera and Aschiza which were listed but not provided with Data Sheets by Falk (1991). There are sixteen currently recognised families, comprising about 1226 British Isles species, which are considered in this review.