Potamogeton parmatus

Hagstr.

Plante

ENLR Monde (IUCN)

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

Graphe en cours d’indexation

Calcul du tissu écologique de Potamogeton parmatus.

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

Liste rouge IUCN

EN · En dangercritères B2ab(ii,iii,iv,v)↘Décroissante

Évaluation complète

Évaluation: 2017 · v3.1
Altitude: 770 – 1260 m
Profondeur: – m

État de la populationTexte officiel évaluation IUCNExpert

There are two known subpopulations of this species. The most recent collection was made in 1928 from Ambohipo, Antananrivo (Analamanga region) (Madagascar Catalogue, 2016), but this is presumed to have been extirpated.

Menaces identifiées(15 menaces classées CMP-IUCN)

1_1
Housing & urban areas
Ongoing
1_2
Commercial & industrial areas
Ongoing
2_1_2
Small-holder farming
Ongoing
2_4_1
Subsistence/artisinal aquaculture
Ongoing
3_2
Mining & quarrying
Ongoing
4_1
Roads & railroads
Ongoing
4_2
Utility & service lines
Ongoing
6_3
Work & other activities
Ongoing
7_2_1
Abstraction of surface water (domestic use)
Ongoing
7_2_3
Abstraction of surface water (agricultural use)
Ongoing

+ 5 menaces supplémentaires

Description complète des menacesTexte détaillé évaluation IUCNExpert

The species is threatened by habitat destruction due to urban development (including quarries for brick-making, water use and management, transport infrastructure), agriculture, aquaculture, invasive non-native plant species, sedimentation and pollution.

Habitats préférentiels (classification IUCN)

5_1Wetlands (inland) - Permanent Rivers/Streams/Creeks (includes waterfalls)
5_4Wetlands (inland) - Bogs, Marshes, Swamps, Fens, Peatlands

Mesures de conservation recommandéesStratégies de conservation IUCNExpert

This species is not present within the protected areas network.

Actions de conservation (4)Conservation Actions Classification Scheme — IUCNExpert

1_1Site/area protection
1_2Resource & habitat protection
2_1Site/area management
2_3Habitat & natural process restoration

Stress écologiques (23)Stresses Classification — IUCNExpert

1_1Ecosystem conversion
1_1Ecosystem conversion
2_1Species mortality
2_1Species mortality
2_1Species mortality
2_1Species mortality
2_1Species mortality
2_1Species mortality
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance
2_2Species disturbance

Priorités de recherche (7)Research Needed Classification — IUCNExpert

1_2Population size, distribution & trends
1_3Life history & ecology
1_4Harvest, use & livelihoods
1_5Threats
1_6Actions
2_1Species Action/Recovery Plan
2_2Area-based Management Plan

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

Royaumes biogéographiques

Afrotropical

Systèmes (terrestre/eau douce/marin)

Freshwater (=Inland waters)

Formes de croissance

Forb or Herb

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

IUCN. 2017. The IUCN Red List of Threatened Species. Version 2017-2. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 14 September 2017).
Madagascar Catalogue. 2016. Potamogeton parmatus Hagstr. St. Louis, U.S.A. and Antananarivo, Madagascar Available at: <a href="http://tropicos.org/Name/26300050?projectid=17">http://tropicos.org/Name/26300050?projectid=17</a>.

Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert

assessor

Rabarimanarivo, M. & Ravololomanana, N.

evaluator

Manjato, N.

facilitators

Faranirina, L.

Rabarimanarivo, M. & Ravololomanana, N. 2017. Potamogeton parmatus. The IUCN Red List of Threatened Species 2017: e.T88596630A88596641. Accessed on 05 May 2026.