A) \[{{\operatorname{N}}_{t+1}}={{N}_{t}}\left( B+I \right)-\left( D+E \right)\]
B) \[{{\operatorname{N}}_{t+1}}={{N}_{t}}+\left( B-D \right)-\left( I+E \right)\]
C) \[{{\operatorname{N}}_{t+1}}={{N}_{t}}+\left( B-E \right)+\left( I+D \right)\]
D) \[{{\operatorname{N}}_{t+1}}={{N}_{t}}\left( B+I \right)-\left( I-D \right)\]
Correct Answer: A
Solution :
Here N is the population density |
\[{{\operatorname{N}}_{t}}\] = Population density at time t |
\[{{\operatorname{N}}_{t}}\] = Population density after time (t + 1) |
B = Natality |
I = Immigration |
D= Mortality |
E = Emigration |
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