Lecture 12-Invasive Species – more problematic in a future climate

Question 1

what does native or indigenous species mean

Answer 1

a species living within its natural range (past or present) including
the area which it can reach and occupy using its natural dispersal
systems

Question 2

what does Non-native species mean

Answer 2

a species occurring outside of its natural range and dispersal potential
(i.e. outside the range it occupies naturally or could not occupy
without direct or indirect introduction or care by humans) and
includes any part, gametes or propagule of such species that might
survive and subsequently reproduce

Question 3

what are naturalised species

Answer 3

a non-native species that forms a
self-sustaining populations
following its introduction into an
area by human activity

Question 4

what does eradicate mean

Answer 4

to remove or destroy utterly

Question 5

what does alleolopathy mean

Answer 5

biological phenomenon by which an organism produces one or more biochemicals that influence the germination, growth, survival, and reproduction of other organisms from the same community.

Question 6

what are traits of a good plant invader

Answer 6

prolonged flowering
high seed output
phenology
alleopathy
Increased competitive ability (rapid growth, large size)
Vigorous vegetative reproduction
* High specific leaf area (SLA; leaf area/leaf dry mass)
* Increased phenotypic plasticity