(E)lesson 3: communized and field technologies

Question 1

what are methods to evaluate communities?

Answer 1

1. transects
2. quadrat

Question 2

what is the 3 diff types of transects?

Answer 2

1. line transect
2. belt
3. point

Question 3

line transect

Answer 3

a straight line of tape is laid down inbetween 2 lines, a researcher walks down the path and observes organisims and measures how far they were observed from the line.

Question 4

belt transcet

Answer 4

sampling occurs between two lines seperated bya fixed distance.

Question 5

point transect

Answer 5

stand at a point randomly selected and point out what you see. (birds and fish)

Question 6

what is Quadrant sampling? what does it show?

Answer 6

frame used to isolate a standerd unit of area for study of distribution of an organism over a large area

allows for estimation of population numbers, frewuency and distribution
(best for plants)