Cycas nayagarhensis

Rita Singh, P.Radha & Khuraijam

Plante

CRLR Monde (IUCN)

Filtrer le graphe par contexte spatialPays · région · aire protégée · écorégion · biome

Graphe en cours d’indexation

Calcul du tissu écologique de Cycas nayagarhensis.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).

Liste rouge IUCN

CR · En danger critiquecritères B1ab(iii,v)↘Décroissante

Évaluation complète

Évaluation: 2022 · v3.1
Altitude: 135 – 180 m
Profondeur: – m

État de la populationTexte officiel évaluation IUCNExpert

Cycas nayagarhensis has a small population size with very few mature trees that are found at three localities.

Menaces identifiées(2 menaces classées CMP-IUCN)

1_1
Housing & urban areas
Rapid DeclinesUnknownOngoing
5_2_1
Intentional use (species is the target)
UnknownUnknownOngoing

Description complète des menacesTexte détaillé évaluation IUCNExpert

Subpopulations of Cycas nayagarhensis are severely affected by the hacking of stems for religious and cultural rituals. Also, land transformation due to the expansion of Nayagarh city has resulted in a steep decline in the local cycad population.

Habitats préférentiels (classification IUCN)

1_6Forest - Subtropical/Tropical Moist Lowland

Mesures de conservation recommandéesStratégies de conservation IUCNExpert

This species is listed in Appendix II of the CITES Appendices. An education and awareness programme as well as the long-term monitoring of subpopulations will support the conservation of this species.

Actions de conservation (3)Conservation Actions Classification Scheme — IUCNExpert

1_1Site/area protection
1_2Resource & habitat protection
4_3Awareness & communications

Stress écologiques (5)Stresses Classification — IUCNExpert

1_1Ecosystem conversion
2_1Species mortality
2_1Species mortality
2_3_7Reduced reproductive success
2_3_7Reduced reproductive success

Usage & commerce (1)Use & Trade — IUCNExpert

17Other (free text)
subsistance

Priorités de recherche (2)Research Needed Classification — IUCNExpert

1_2Population size, distribution & trends
1_5Threats

Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert

Royaumes biogéographiques

Indomalayan

Systèmes (terrestre/eau douce/marin)

Terrestrial

Formes de croissance

Cycad

Références bibliographiques (2)Sources scientifiques de l'évaluation IUCNExpert

IUCN. 2022. The IUCN Red List of Threatened Species. Version 2022-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 21 July 2022).
Singh, R., Radha, P. and Khuraijam, J. S. 2015. A new species, a new combination and a new subsection of <i>Cycas</i> from Odisha, northern Eastern Ghats of India. <i>Asian Journal of Conservation Biology</i> 4(1): 3-14.

Évaluateurs & contributeurs (2)Personnes ayant contribué à l'évaluation IUCNExpert

assessor

Khuraijam, J.

evaluator

Bösenberg, J.D.

Khuraijam, J. 2022. Cycas nayagarhensis. The IUCN Red List of Threatened Species 2022: e.T103632199A103632290. Accessed on 05 May 2026.