landforms and landscapes of deposition - sand dunes

Question 1

where do wind blow sand to?

Answer 1

landwards from beach or offshore bar

Question 2

what do a large tidal range allow?

Answer 2

the sand to dry

Question 3

why is it important or the sand to dry?

Answer 3

light enough to be picked up and carried by the wind

Question 4

dunes develop as a process of what?

Answer 4

vegetation succession

Question 5

what are pioneer species able to do ?

Answer 5

resistant - surve in salty sand with its roots help bind the dunes together

Question 6

e.g of pioneer species?

Answer 6

sea rocket, marram grass

Question 7

what does decaying organic matter add?

Answer 7

nutrians and humus - allow marram grass to grow

Question 8

when does climatic climax occur?

Answer 8

when trees are able to colonise the area

Question 9

what is good about marram grass?

Answer 9

tough + felxible - cope with sandy conditions, adapted to reduce water loss in transpiration

Question 10

how deep do marram grass grow?

Answer 10

3 metres

Question 11

what temperatures can marram grass tolerate up to ?

Answer 11

60oC