Environmental Factors & Grassland Types

Question 0

Burning and grazing can prevent woodland formation,

Answer 0

Leaving the area as grassland - A deflected climax.

Question 1

Establishment of grasslands is

Answer 1

Promoted by seasonal drought.

Question 2

Some grasslands are found at high altitudes where it is too

Answer 2

Cold for trees to grow; Tussock-forming species characterise these areas, particularly in the colder areas of NZ & S America.

Question 3

The growth of woody species may be prevented by

Answer 3

Water logging; this tends to occur in the subtropics where there is considerable variation between seasons.

Question 4

Natural grasslands occur where growing conditions are optimal for a limited period of the year;

Answer 4

In tropical regions - The rainy season.

In temperate regions - The short period between the cold damp winter and the hot dry summer.