Lecture 15 - Global biodiversity changes

Question 1

current extinction rates between …-… times faster than fossil record

Answer 1

100-10,000 times

Question 2

..% worlds population has water security at highest level of threat
..% at no threat

Answer 2

80, 0.16

-looks quite similar to biodiversity threat map

Question 3

RCP 2.6 is the .. worst scenario for species richness

Answer 3

second

-behind RCP 8.5

Question 4

RCP 4.5 is the … scenario for species richness

Answer 4

best

Question 5

…% continental discharge classified as moderately to highly threatened

Answer 5

65%

Question 6

water system threats correlate with water .. threats

Answer 6

security

Question 7

globally ecosystems have declined ..% in species richness due to land use imapcts already 1500-now

up to ..% in worst areas
increase in ..% grid cells

Answer 7

14
31
1.7

Question 8

mountain summits show increasing species richness, …x more 2007-2016 as 1957-1966

Answer 8

five

-however this is because range movements, not new species

Question 9

if emissiosn are reduced by 2050, about ..% of plants and ..% aniamls lose ..% range

Answer 9

50, 34, 50

Question 10

If reduce CO2 emissions and they peak in 2030, can reduce species losing 50% of habitat by ..

Answer 10

40%

Question 11

If reduced emissions by 2016, would have had ..% less species losing 50% of range

Answer 11

60

Question 12

Animals have lower rates of decline as they can .. quicker than plants, amphibians

Answer 12

move