Energy Transfer

Question 1

Define Biomass

Answer 1

mass of carbon or dry mass of tissue in a given area

Question 2

Define GPP

Answer 2

GPP is the gross primary production which is the chemical energy store in a plant biomass in a given area or volume

Question 3

Define NPP

Answer 3

NPP is the net primary production which is the chemical energy store in a plants biomass after respiratory losses to the environments have been taken into account

Question 4

Formula to calculate net production of consumers (N)

Answer 4

I - ( F + R )
I = Ingested Food
F = Faeces
R = Respiratory losses

Question 5

GPP units

Answer 5

g C m−2 yr−1

Question 6

Units for rate of productivity

Answer 6

kJ ha - 1year -1