sampling plants

Question 1

what is a gridded quadrat used for

Answer 1

-estimating % cover of a species

Question 2

how to use a gridded quadrat

Answer 2

-identify species using key
-record % cover for each species in the quadrat
-smaller squares = more accurate representation of abundance

Question 3

whats a point frame quadrat

Answer 3

-can be inserted in a quadrat
-records any plants touching needles
-10 needles used 10x is 100 readings

Question 4

whats a line transect

Answer 4

-string/tape measure across habitat w samples taken along the line
-records plants touching the line at intervals

Question 5

whats a line transect useful for

Answer 5

-examining the effect of a change in habitat on biodiversity
-such as a stream running through a field/wood
-doesn’t reflect density/abundance

Question 6

whats a belt transect

Answer 6

-interrupted belt transect is using quadrats along a line at intervals
-continuous belt transect is using quadrats along the entire length of the line
-smaller intervals are more accurate but take longer