What is an alien species? | 水產百科網
2018年8月30日—Alienspeciesarespeciesthatoccuroutsidetheirnaturalrangeanddispersalpotential.Alienspeciesarespreadbyhumanactivity,intendedor ...
On a global basis, alien species are listed among the greatest threats against biodiversity, but what is an alien species?
Alien species are species that occur outside their natural range and dispersal potential. Alien species are spread by human activity, intended or unintended, to new areas.
Alien species do also include taxa below species level such as subspecies, varieties, cultivars and hybrids. The term alien species includes all life stages that might survive and subsequently reproduce, i.e. seeds, eggs, spores or other biological material.
Regionally alien speciesThe risk assessment covers species that are alien to Norway. In addition, the possibility exists to risk assess regionally alien species.
Regionally alien species are species native to Norway, that have been introduced to novel areas within Norway by humans after year 1800. Occurrences in the species’ natural range (extent of occ...
Definitions of the terms alien speciesplants and invasive alien ... | 水產百科網
Glossary | 水產百科網
Invasive alien species | 水產百科網
Invasive species | 水產百科網
What are Invasive Alien Species? | 水產百科網
Alien species definition | 水產百科網
Alien invasive species (AIS) definition | 水產百科網
What is an alien species? | 水產百科網
Invasive species | 水產百科網
Invasive alien species | 水產百科網
【中華絨螯Eriocheir sinensis】岩蟹 (Grapsidae)
水產分類:澎湖的蟹類中文名稱:中華絨螯學名:Eriocheirsinensis科別名稱:岩蟹(Grapsidae)命名學者:H.MilneEdwards
【絨毛近方蟹Hemigrapsus penicillatus】方蟹科 (Grapsidae)
水產分類:澎湖的蟹類中文名稱:絨毛近方蟹學名:Hemigrapsuspenicillatus科別名稱:方蟹科(Grapsidae)命名學者:(DeHaan1835)
【字紋弓蟹Varuna litterata】方蟹科 (Grapsidae)
水產分類:澎湖的蟹類中文名稱:字紋弓蟹學名:Varunalitterata科別名稱:方蟹科(Grapsidae)命名學者:(Fabricius1798)
【尖額光背蟹Lissocarcinus polybioides】梭子蟹科 (Portunidae)
水產分類:澎湖的蟹類中文名稱:尖額光背蟹學名:Lissocarcinuspolybioides科別名稱:梭子蟹科(Portunidae)命名學者:AdamsetWhite