What is the per capita growth rate for a population of 250 individuals with a carrying capacity of 1000 and an intrinsic rate of increase of 0.5? 0.75 0.375 -0.25 -0.375 0.25
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A:
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- In a forest in India, there are 800 axis deer and 500 barking deer. The forest can support a maximum of 1,200 barking deer. The competition coefficient of barking deer on the axis deer is 0.25, and the competition coefficient of the reverse pair is 0.5. The intrinsic growth rate of barking deer is 2.0. Based on the Lotka-Volterra model, the population growth rate for barking deer is 416.67 Now, let's see if the two species can coexist in this forest. You are provided with some additional information: the carrying capacity of axis deer is 4,000. Determine if the two species can coexist.ASAPA population grows according to the logistic model N = 55 1 + 0.9e−1.4t , where t is measured in years and N is measured in thousands. (a) What is r for this population? per year(b) What is the environmental carrying capacity K? thousand(c) This population is subject to harvesting. What is the optimum yield level? thousand
- There are 10 people in age class 0, 10 in age class 1 and 5 in age class 2. Annual survival rates are S0=0.7, S1=0.5 and S2=0. The fecundities are F0=0, F2=1 and F2=5. What is the asymptotic population growth rate and it is reached after approximately how many years of population growth?in 2021, the growth rate of the human population was 1.03% per year with a thencurrent population of 7.875 billion people. Assuming a carrying capacity of 15 billionindividuals,when will the population reach 14.5 billion (i.e., nearly carrying capacity)?What does the growth rate of 0.7 mean in relation to r=(birth-death)+(immigration-emigration) What does the growth rate of 1 mean in relation to r=(birth-death)+(immigration-emigration) What happens to the population when r is greater than 1? What happens to the the population when r is equal to 1? What happens to the population when r is less than 1? Provide and explain the factors that lead to each type of distributions.
- Using the logistic equation, calculate population growth when K =1,000, N = 100, and r = 0.1. Compare the result with that shown inSection 56.3, where K = 1,000, N = 900, and r = 0.1, and with theresult when K = 1,000, N = 500, and r = 0.1.When does the growth rate of a population following the logistic model equal zero?the logistic model is given as dN/dt = rN (1-N/K)In 2017, 16 bison were released into Elk Island National Park. Within the next five years, 49 more bison will be released into the 1,200 km2 area. During the study period, it is expected that 45 calves will be born and 13 bison will die or be removed from the study area. What is the expected per capita growth rate of the bison population during this study period? Express your answer rounded to two decimal places. If the population is decreasing indicate this with a negative sign.
- A colony of aliens reaches planet Earth in 3000 BC and set up a base in Antarctica. If their initial population is 100 and their specific growth rate is 0.02263/year and their yieid coefficient is 0.85, then in what year (AD) will they start to outcompete humans for resources negiecting resource and logistic growth limiting effects? Assume the human population 3000 BC is 50 million, the human yield coefficient is 0.75 and the human specific growth rate is 0.02/year. Answer:When a population is close to its carrying capacity the value of (1-N/K) is likely to be [ [ Select ] In a logistic growth curve, at the inflection point the value of (1-N/K) is likely to be [ Select ] close to 1 close to .5 close to zeroWhen a population is close to its carrying capacity the value of (1-N/K) is likely to be_____key words: ( close to 1, close to 0.5, close to zero) In a logistic growth curve, at the inflection point the value of (1-N/K) is likely to be_______ key words: ( close to 1, close to 0.5, close to zero)