Astelia argyrocoma
A.Heller ex Skottsb.
Pays · région · aire protégée · écorégion · biome
Graphe en cours d’indexation
Calcul du tissu écologique de Astelia argyrocoma.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 5s).
Liste rouge IUCN
EN · En dangercritères B1ab(i,ii,iii)↘Décroissante- Évaluation
- 2016 · v3.1
- Altitude
- 500 – 1400 m
- Profondeur
- – m
État de la populationTexte officiel évaluation IUCNExpert
Astelia argyrocoma is estimated to have as many as two million individuals, with one million in the largest subpopulation. Five subpopulations are known.
Menaces identifiées(26 menaces classées CMP-IUCN)
8_1_2Named speciesRapid DeclinesMajority (50-90%)Ongoing8_1_1Unspecified speciesSlow, Significant DeclinesWhole (>90%)Ongoing8_1_2Named speciesSlow, Significant DeclinesWhole (>90%)Ongoing8_1_2Named speciesSlow, Significant DeclinesMajority (50-90%)Ongoing8_1_2Named speciesSlow, Significant DeclinesMinority (<50%)Ongoing8_1_2Named speciesSlow, Significant DeclinesMinority (<50%)Ongoing8_1_2Named speciesSlow, Significant DeclinesMinority (<50%)Ongoing8_1_2Named speciesSlow, Significant DeclinesMinority (<50%)Ongoing8_1_2Named speciesSlow, Significant DeclinesMinority (<50%)Ongoing8_1_2Named speciesSlow, Significant DeclinesMinority (<50%)Ongoing
+ 16 menaces supplémentaires
Description complète des menacesTexte détaillé évaluation IUCNExpert
Threats to this species differ somewhat among the different subpopulations.
On La'au Ridge the major threats are pigs (Sus domesticus) and the following non-native plant species: Juncus planifolius, Sacciolepis indica, Schizachyrium condensatum, Rubus rosifolius, Ageratum conyzoides, Erechtites valerianifolia, Conyza bonariensis, Emilia fosbergii, Erigeron karvinskianum, and Youngia japonica.
At Kamo'oloa, pigs and rats (Rattus rattus) are the predominate animal threats while Rubus rosifolius, Cyperus meyenianus, Axonopus fissifolius, Clidemia hirta, and Rhodomyrtus tomentosa are the major non-native plant threats.
In Kekoiki Rubus rosifolius and Paspalum conjugatum are major threats, as well as landslides.
In Waikoali, pigs, Passiflora mollissima, Paspalum urvillei, Rubus rosifolius, and Erigeron karvinskianum are the main threats.
At Kawaikini: pigs, rats, goats, and slugs are the major animal threats. Threatening, non-native plant species include Clidemia hirta, Rubus rosifolius, Axonopus fissifolius, Juncus planifolius, Cyperus meyenianus, Paspalum conjugatum, Psidium cattleianum, Melastoma malabathricum, Rhodomyrtus tomentosa, Cyathea cooperi, and Sacciolepis indica.
On La'au Ridge the major threats are pigs (Sus domesticus) and the following non-native plant species: Juncus planifolius, Sacciolepis indica, Schizachyrium condensatum, Rubus rosifolius, Ageratum conyzoides, Erechtites valerianifolia, Conyza bonariensis, Emilia fosbergii, Erigeron karvinskianum, and Youngia japonica.
At Kamo'oloa, pigs and rats (Rattus rattus) are the predominate animal threats while Rubus rosifolius, Cyperus meyenianus, Axonopus fissifolius, Clidemia hirta, and Rhodomyrtus tomentosa are the major non-native plant threats.
In Kekoiki Rubus rosifolius and Paspalum conjugatum are major threats, as well as landslides.
In Waikoali, pigs, Passiflora mollissima, Paspalum urvillei, Rubus rosifolius, and Erigeron karvinskianum are the main threats.
At Kawaikini: pigs, rats, goats, and slugs are the major animal threats. Threatening, non-native plant species include Clidemia hirta, Rubus rosifolius, Axonopus fissifolius, Juncus planifolius, Cyperus meyenianus, Paspalum conjugatum, Psidium cattleianum, Melastoma malabathricum, Rhodomyrtus tomentosa, Cyathea cooperi, and Sacciolepis indica.
Habitats préférentiels (classification IUCN)
5_4Wetlands (inland) - Bogs, Marshes, Swamps, Fens, Peatlands★
Mesures de conservation recommandéesStratégies de conservation IUCNExpert
This taxon is not protected under either state or federal endangered species laws or acts. Conservation actions have been limited to monitoring and collection of herbarium vouchers. One collection of 300 seeds is stored at the National Tropical Botanical Garden on Kauaʻi.
Actions de conservation (7)Conservation Actions Classification Scheme — IUCNExpert
1_1Site/area protection1_2Resource & habitat protection2_1Site/area management2_2Invasive/problematic species control2_3Habitat & natural process restoration3_4_2Genome resource bank4_3Awareness & communications
Stress écologiques (51)Stresses Classification — IUCNExpert
1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation1_2Ecosystem degradation2_1Species mortality2_1Species mortality2_2Species disturbance2_2Species disturbance2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_2Competition2_3_7Reduced reproductive success2_3_7Reduced reproductive success
Priorités de recherche (5)Research Needed Classification — IUCNExpert
1_2Population size, distribution & trends1_3Life history & ecology1_5Threats2_2Area-based Management Plan3_4Habitat trends
Niche IUCN globaleRealms · Systems · LMEs · Growth forms · FAOs — biogéographie IUCNExpert
Royaumes biogéographiques
Oceanian
Systèmes (terrestre/eau douce/marin)
TerrestrialFreshwater (=Inland waters)
Formes de croissance
EpiphyteForb or Herb
Références bibliographiques (1)Sources scientifiques de l'évaluation IUCNExpert
- IUCN. 2016. The IUCN Red List of Threatened Species. Version 2016-2. Available at: <a href="www.iucnredlist.org">www.iucnredlist.org</a>. (Accessed: 04 September 2016).
Évaluateurs & contributeurs (3)Personnes ayant contribué à l'évaluation IUCNExpert
assessor
Clark, M.
contributor
Lorence, D.H., Nyberg, B., Flynn, T., Tangalin, N. & Wood, K.
evaluator
Walsh, S.
Clark, M. 2016. Astelia argyrocoma. The IUCN Red List of Threatened Species 2016: e.T91151440A91151536. Accessed on 05 May 2026.
Distribution mondiale
Calcul de la distribution GBIF· ~10–60 s
Phénologie
Calcul du calendrier d'apparition· ~5–30 s