Cryptocoryne schulzei
de Wit
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Cryptocoryne schulzei.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
VU · Vulnérablecritères B1ab(iii)+2ab(iii)?Inconnue- Évaluation
- 2023 · v3.1
- Altitude
- 5 – 50 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
There is no information available on population size or trends in this species.
Menaces identifiées(8 menaces classées CMP-IUCN)
2_1_2Small-holder farmingRapid DeclinesMajority (50-90%)Ongoing2_1_3Agro-industry farmingRapid DeclinesMajority (50-90%)Ongoing5_2_1Intentional use (species is the target)UnknownUnknownOngoing9_3_1Nutrient loadsSlow, Significant DeclinesMajority (50-90%)Ongoing9_3_2Soil erosion, sedimentationSlow, Significant DeclinesMajority (50-90%)Ongoing1_1Housing & urban areasVery Rapid DeclinesMajority (50-90%)Ongoing1_2Commercial & industrial areasVery Rapid DeclinesMajority (50-90%)Ongoing3_2Mining & quarryingVery Rapid DeclinesMinority (<50%)Ongoing
Description complète des menacesTexte détaillé évaluation IUCNExpert
The habitats and sites where this species occurs are threatened by factors which affect all plants occurring in flowing water bodies in the region, notably forest clearance, urbanisation, agricultural intensification and the secondary effects of these factors, particularly increased turbidity, pollution and casual habitat degradation.
Habitats préférentiels (classification IUCN)
15_9Artificial/Aquatic - Canals and Drainage Channels, Ditches★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. In Panti Recreational Forest the subpopulation is large and there is some protection. There is a need for surveys to establish an up-to-date assessment of the conservation status of known populations.
Stress écologiques (16)Stresses Classification — IUCNExpert
1_1Ecosystem conversion1_1Ecosystem conversion1_1Ecosystem conversion1_1Ecosystem conversion1_1Ecosystem conversion1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality2_1Species mortality2_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. Cryps pages: <i>Cryptocoryne schultzei</i>. Available at: <a href="https://crypts.home.xs4all.nl/Cryptocoryne/Gallery/sch/sch.html">https://crypts.home.xs4all.nl/Cryptocoryne/Gallery/sch/sch.html</a>.
- Othman, A.S., Jacobsen, N. and Mansor, M. 2009. <i></i>Cryptocoryne<i> of Peninsular Malaysia</i>. Penerbit University Sains Malaysia.
- Wilstermann-Hildebrand, M. 2000-2021. Wasserkelche - Gattung <i>Cryptocoryne</i>. Available at: <a href="http://www.heimbiotop.de/cryptocoryne.html#cryptoschulzei">http://www.heimbiotop.de/cryptocoryne.html#cryptoschulzei</a>.
- Jacobsen, N. and Bogner, J. 1987. Die Cryptocorynen der Malaiischen Halbinsel (3. Teil). <i>Aqua Planta</i> 12(2): 56-60.
Évaluateurs & contributeurs (2)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Lansdown, R.V.
evaluator
Wongso, S. & Jacobsen, N.
Lansdown, R.V. 2023. Cryptocoryne schulzei. The IUCN Red List of Threatened Species 2023: e.T175655004A175655067. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s