5. A study of two populations of tiger salamanders was conducted in south central Alberta. These animals have a very limited distribution in western Canada and there was some concern that recent increases in UV radiation may be causing a general population decrease. The data collected is illustrated below: Population Parameters Population #1 Population #2 Original population size 3861 2974 Natal 706 814 " N Mortality 991 523 wmm Immigration o 178 264 t Emigration e 211 128 (a) For each population, calculate: i. change in population size ii. per capita population growth rate (b) Based on the analysis of populations, are the scientist’s concerns valid? ............................................................................ B 2 Y23 / 2934 o149, i b ’95 e Sciev3-Yy Conlar S G ot V“h‘\ RV~ A ~wse po —_— Taylor Version PVJL«»:"\'N Ay 4 35