一般影响
据贝利(1914，Bean and Russo, 2003)和麦克林托克(1985，Bean and Russo, 2003)，锦蔓长春(Vinca major)会形成密集的植群排除其它草本植物，并与当地的草本植物竞争制造出问题。据 CCSER报告，这个物种对河岸的下层植被特别具有威胁，因为洪水会携带它的植物碎片。根据ESC，锦蔓长春(Vinca major)会形成一个密集的植垫，窒息所有原生植被，妨碍树木和灌木再生。这可能对溪岸有严重的长期影响，最终会使原生树种和灌木覆盖消失，而导致溪岸侵蚀。
地点特有的影响：Australia 
栖地改变: This species is a particular threat to the understorey of riverine vegetation as it will spread from plant fragments carried by high flows. Australian Capital Territory (Australia)
栖地改变: This species is a particular threat to the understorey of riverine vegetation as it will spread from plant fragments carried by high flows. United States (USA)
栖地改变: V. major forms dense mats which smother all native groundcover vegetation and prevent regeneration of trees and shrubs (ESC, UNDATED).
竞争: V. major forms dense mats which smother all native groundcover vegetation and prevent regeneration of trees and shrubs (ESC, UNDATED).
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