numeracy

Question 1

net primary productivity

Answer 1

GPP-R

gross primary productivity MINUS respiratory losses

Question 2

Gross Secondary Productivity (GSP)

Answer 2

Food eaten - faecal loss

Question 3

Net Secondary Productivity (NSP)

Answer 3

GSP-R

gross secondary productivity minus respiratory losses

Question 4

Lincoln index

Answer 4

(N1*N2)/NM

n1: number caught in FIRST sample

n2: number caught in SECOND sample

nm: number caught and MARKED in 2nd sample

Question 5

simpsons diversity index

Answer 5

(N(N-1))/(sum of n(n-1)

N=total number of organisms in the system being studied

n: number of INDIVIDUALS of EACH SPECIES (eg; 70 kangeroos, 13 wallabies

2(2-1)/(7069)+(13*12)

Question 6

crude birth rate (CBR)

Answer 6

(birth rate/population size)*1000, per year

Question 7

crude death rate (CDR)

Answer 7

(death rate/population size)*1000, per year

Question 8

natural increase rate (NIR)

Answer 8

(CBR-CDR)/10, per year

Question 9

total fertility rate (TFR)

Answer 9

the average number of children a childbearing person will have through their childbearing yearings

Question 10

doubling time (DT)

Answer 10

70/natural increase rate

Question 11

population density

Answer 11

population/km^2

Question 12

% change

Answer 12

(final-initial)/initial * 100