Ecosystem Processes

Question 1

review of 150 forests, future climate will:

increase forest growth
increase C sequestration

but too much rain will waterlog forests - slow growth

Answer 1

Taylor et al 2017

Question 2

18% increase in trop forest productivity since pre-industrial times
further 60% by 2100

cascade effect through community

Answer 2

Malhi et al 2014

Question 3

with habitat frag, forest go from C sink to source

Answer 3

Brinck et al 2017

Question 4

Asia = triple hotspot (high C, high biodiv, high threat)

Answer 4

Sullivan et al 2017

Question 5

C emmisions due to land use uncertain

Answer 5

Houghton et al 2009

Question 6

10-20% of global methane budget absorbed by RF soils

Answer 6

Eggleton et al 1999

Question 7

RF emit 80% of global isoprene

Answer 7

Porter et al 2001

Question 8

deforestation: more wind, less rain, less cloud.

Answer 8

Nooteboom 1997

Question 9

less cloud: implicationf for agriculture

more extreme temp fluctuations

Answer 9

Cutremet et al 1995

Question 10

big trees can produce 100s litres of water a day

Answer 10

Goldstein et al 1998

Question 11

99.9% of experimentally added Ca + P captured in soil surface rootmat

Answer 11

Manfroi et al 2014

Question 12

tropical forest produce ~49b tonnes of biomass per annum

Answer 12

Leigh 1999

Question 13

variations in amazon productivity cause detectable changes in atmospheric CO2

Answer 13

Botta et al 2002

Question 14

pure water in rainforests due to efficient nutrient cycling

stream water = rain water

Answer 14

Goller et al 2006