L31 Forests and Grasslands

Question 1

what plants survive annual rainfall of 100-200mm?

Answer 1

grasses

Question 2

what plants survive annual rainfall of up to 300mm?

Answer 2

shrubs

Question 3

what plants survive annual rainfall of up to 400mm?

Answer 3

solitary trees

Question 4

what plants survive annual rainfall of over 400mm?

Answer 4

dense trees

Question 5

what is climate?

Answer 5

mean annual temperature + mean annual precipitation

Question 6

what happened central Africa from 1982 - 2016?

Answer 6

Amazon Basin tree cover increased

Question 7

where is thr tropical forest biome located?

Answer 7

either side of the equator

Question 8

what is the mean annual rainfall in tropical forests?

Answer 8

> 2,500mm/year

Question 9

what are the three types of tropical forest biome?

Answer 9

1) tropical deciduous forest
2) trees and shrubs deciduous forest
3) tropical dry forest

Question 10

why does the temperature not vary too much in the tropical forests?

Answer 10

it’s located around the equator

Question 11

what is the tropical rainforest climate reffered to as?

Answer 11

an ideal place for plant growth, 25 degrees and high water availability

Question 12

what are epiphytes?

Answer 12

non-parasitic plants that grow ontop of other plants

Question 13

where are temperate and boreal forests located?

Answer 13

mid-latitudes and arctic circle

Question 14

what are 2 principle conifer species found in boreal forests?

Answer 14

spruce and pine

Question 15

why are fires more likely to occur during boreal forest summers?

Answer 15

OM is not decomposed during winter because it is too cold for bacteria and fungi to operate

Question 16

where are temperate forests located?

Answer 16

mid-latitudes

Question 17

what are deciduous trees only found in temperate forests and not boreal?

Answer 17

there is not enough nutrients in spring time boreal and not enough day length time

Question 18

how are grassland biomes characterised?

Answer 18

long seasonal drought

Question 19

what are the 2 types of grassland?

Answer 19

temperate and tropical/savanna

Question 20

how does savanna grassland differ from temperate grassland?

Answer 20

warmer climate, regular fires, lower nutrient availability, too dry for agriculture

Question 21

what have savanna plants adapted for fire?

Answer 21

basal meristem, tillering, rhizomes, spines, secondary chemical compounds

Question 22

what is most of Ireland’s Agricultural land use?

Answer 22

93% on pasture, hay/silage and rough grazing

Question 23

what does Ireland’s agriculture account for in relation to GHG emissions?

Answer 23

32%