Cryptocoryne sivadasanii
Bogner
Pays · région · aire protégée · écorégion · biome
Pas d'interactions documentées pour cette espèce.
Liste rouge IUCN
VU · Vulnérablecritères B1ab(iii)+2ab(iii)?Inconnue- Évaluation
- 2023 · v3.1
- Altitude
- 20 – 45 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
There is no information available on the population size or trend in this species.
Menaces identifiées(6 menaces classées CMP-IUCN)
1_1Housing & urban areasRapid DeclinesMajority (50-90%)Ongoing5_2_1Intentional use (species is the target)UnknownUnknownOngoing9_1_1SewageSlow, Significant DeclinesMajority (50-90%)Ongoing9_1_2Run-offSlow, Significant DeclinesMajority (50-90%)Ongoing9_3_1Nutrient loadsSlow, Significant DeclinesMajority (50-90%)Ongoing9_3_2Soil erosion, sedimentationSlow, Significant DeclinesMajority (50-90%)Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
All of the known subpopulations are in fairly densely population areas, in which streams flow through villages and settlements. They are all vulnerable to casual modification of water courses, such as hydrological modification, channel realignment or extraction of gravel from the bed.
Habitats préférentiels (classification IUCN)
5_1Wetlands (inland) - Permanent Rivers/Streams/Creeks (includes waterfalls)★
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
There are no conservation actions in place specifically for this species and it is not known from any protected areas (although one is within university campus). There is a need for surveys to establish an up-to-date assessment of the conservation status of known populations and to search for additional populations in the area. This is a species for which tissue-culture could reduce collection pressure.
Actions de conservation (4)Conservation Actions Classification Scheme — IUCNExpert
1_1Site/area protection3_1_1Harvest management3_1_2Trade management3_4_1Captive breeding/artificial propagation
Stress écologiques (11)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality2_1Species mortality2_1Species mortality2_1Species mortality2_1Species mortality2_1Species mortality
Usage & commerce (2)Use & Trade — IUCNExpert
13Pets/display animals, horticultureinternationalnational16Establishing ex-situ production *internationalnational
Priorités de recherche (3)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_5Threats3_1Population trends
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Indomalayan
Systèmes (terrestre/eau douce/marin)
Freshwater (=Inland waters)
Formes de croissance
Forb or HerbHydrophyte
Références bibliographiques (5)Sources scientifiques de l'évaluation IUCNExpert
- IUCN. 2023. The IUCN Red List of Threatened Species. Version 2023-1. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 07 December 2023).
- Bastmeijer, J.D. 2020. Crypts pages: <i>Cryptocoryne sivadasanii</i>. Available at: <a href="https://crypts.home.xs4all.nl/Cryptocoryne/Gallery/siv/siv.html">https://crypts.home.xs4all.nl/Cryptocoryne/Gallery/siv/siv.html</a>.
- Sasikala, K., Vajravelu, E. and Daniel, P. 2019. <i>Fascicles of Flora of India, Fascicle 29, Araceae</i>. Botanical Survey of India, Kolkata.
- Kasselmann, C. 2005. Ein Wasserkelch mit Potenzial für eine gute Aquarienpflanze. <i>Die Aquarien und Terrarien Zeitschrift </i> 68(6): 44-49.
- Bogner, J. 2004. <i>Cryptocoryne sivadasanii</i> (Araceae), a new species from India. <i>Willdenowia</i> 34(1): 195-201.
Évaluateurs & contributeurs (2)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Lansdown, R.V.
evaluator
Wongso, S., Jacobsen, N. & Naive, M.A.K.
Lansdown, R.V. 2023. Cryptocoryne sivadasanii. The IUCN Red List of Threatened Species 2023: e.T175655434A175655465. Accessed on 05 May 2026.
Répartition mondiale
Aucune observation géoréférencée avec précision suffisante (<10 km) dans GBIF pour cette espèce.