Article

Article name PROTECTING SMALL POPULATIONS OF RARE SPECIES. CASE STUDY ON DACTYLORHIZA VIRIDIS (ORCHIDACEAE) IN FANCOTT WOODS AND MEADOWS SSSI, BEDFORDSHIRE, UK
Authors

Irina Tatarenko, PhD, Dr. Sci., Research Associate, School of Environment, Earth, and Ecosystem Sciences, the Open University (Walton Hall, Milton Keynes, MK76AA, UK); e-mail: irina.tatarenko@open.ac.uk
Michael Dodd, PhD, iSpot curator, Faculty of STEM, the Open University (Walton Hall, Milton Keynes, MK76AA, UK); e-mail: Michael.dodd@open.ac.uk
Hilary Wallace, The Head of Ecological Survey Bangor (The School House, Canon Pyon, Hereford, HR48PF, UK); email: hilary@ecologicalsurveys.co.uk
Graham Bellamy, оwner of Dryad Wildlife (3 Marquis Hill, Shillington. Hitchin. Hertfordshire SG5 3HD, UK); e-mail: graham@gcbellamy.plus.com
Andy Fleckney, Senior Reserves Officer, The Wildlife Trust Bedfordshire, Cambridgeshire and Northamptonshire (Priory Country Park, Barkers Ln, Bedford MK41 9DJ, UK); e-mail: Andy.Fleckney@wildlifebcn.org

Reference to article

Tatarenko I., Dodd M., Wallace H., Bellamy G., Fleckney A. 2020. Protecting small populations of rare species. Case study on Dactylorhiza viridis (Orchidaceae) in Fancott Woods and Meadows SSSI, Bedfordshire, UK. Nature Conservation Research 5(Suppl.1): 165–171. https://dx.doi.org/10.24189/ncr.2020.028

Section Short Communications
DOI https://dx.doi.org/10.24189/ncr.2020.028
Abstract

Dactylorhiza viridis is a small orchid species, sensitive to competition with dense and tall herbaceous vegetation. Its populations in Europe and in the UK have been declining over the last century. Small, isolated populations have remained in Protected Areas. The population of the species in Fancott Woods and Meadows Site of Special Scientific Interest (SSSI) was studied in 2011–2019. The number of orchid plants varies substantially from year to year, but the areas occupied by the population remain the same. Fruit production is high. The population is under threat from herbivores and from competition with tall vegetation on the meadow. Expansion of the vigorous herb Filipendula ulmaria was recorded on the meadow in 2009 that negatively affected the rare plant community. Additional management of an early hay cut was implemented on the meadow as a trial. A botanical survey of managed and control plots showed a reduction in the vigorous herbs, an increase in species number in the cut plots and a resulting more open sward. The orchid population also benefits from a more open sward. The management of the site is the key to the survival of this small orchid population.

Keywords

conservation, competition, fruit set, hay cut, herbivory, orchid population, site management

Artice information

Received: 27.02.2020. Revised: 16.05.2020. Accepted: 23.05.2020.

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