Distribution and habitat features of rare orchid species (<i>Orchidaceae Juss.</i>) in the National Park "Nizhnyaya Kama"

The orchid species protected in the Republic of Tatarstan are sensitive to certain environmental conditions, therefore, when they disturbed, can disappear. As a result studies carried out 1998-2022 on territory National Park "Nizhnyaya Kama" (Tatarstan, Russia), maps distribution were built. It was revealed that only 7 orchids found national park, which is 23% total number Tatarstan, there practically no meadow and wet-meadow vast areas meadowlands Nizhnekamsk reservoir. background unprotected Epipactis helleborine , noted 61% descriptions with species. 4 conservation zone, 6 - specially 3 recreational area. In dynamics, an increase P. bifolia cucullata noted. 2019-2021, 2 habitats Goodyera repens zone. However, since 2010, area spruce-birch pine-birch sphagnum communities has sharply decreased, where large populations recent years, D. incarnata not been recorded swampy meadows have disappeared. Forest mainly grow spruce-pine, coniferous-broad-leaved coniferous-birch forests good moss cover.