climate change affect on agriculture

Question 1

what will a one degree temperature rise result in?

Answer 1

10% decline in agriculture

Question 2

what will we have to do to meet global food supplies by 2030?

Answer 2

must increase by 50%

Question 3

what are the 2 main drivers of food production?

Answer 3

climate and soil

Question 4

what has happened to global food production?

Answer 4

it has increased globally since 1960 due to rapid population increase

Question 5

2 things that caused the gains in food production

Answer 5

green revolution after ww2 in developed countries - intensification of farming in Europe
easier access to trade routes

Question 6

where has food consumption increased

Answer 6

everywhere except transition countries
mainly near east and north africa + latin america + carribbean

Question 7

how will climate change affect agriculture? 2 and 4

Answer 7

lower crop yields + decrease nutritional quality
due to
droughts
heatwaves
increase in pests + diseases
floods

Question 8

what is the predicted decline in global crop production

Answer 8

2-6% with every decade

Question 9

benefit of climate change to uk - plant

Answer 9

increasing atmospheric co2 will continue to increase plant growth (although amount depends on water availability)

Question 10

benefit of high atmospheric co2 levels
and negative

Answer 10

higher crop yields because of co2 fertilisation
however, lower nutritional value

Question 11

negative sea level rise

Answer 11

low lying land s.e asia - loss of agricultural land
E.g. 1m sea level rise will cover several square km of rice paddies in Vietnam

Question 12

benefit of warming temps

Answer 12

more arable land available in alaska as it thaws