Chapter 52 Population Ecology p. 1151

Characteristics of populations p. 1151

·        population

Two important characteristics of any population are density and the spacing of individuals. P. 1152

·        Density

·        Dispersion

Measuring density p. 1152

·        Mark-recapture method

 

Patterns of dispersion p.1153

 

·        Geographical range

·        Clumped

·        Uniform

·        Random

·        Biogeography

·        Figure 52.2 p. 1153

Demography oa rhe study of factos that affect the growth and decline of populations p. 1153

·        Demography

 

Life Tables and Survivorship Curves p. 1154

·        cohort

·        survivorship curve

·        Figure 52.3 p. 1155

Population Growth p. 1158

THE EXPONENTIAL model of population growth describes an idealized population in an unlimited environment. P. 1159

·        Read this section: Note the formula

·        Figure 52.8 p. 1160

·        Figure 52.9 p. 1160

 

The logistic model of population growth incorporates the concept of carrying capacity p. 1160

·        Carrying Capacity

·        Logistic population growth

·        Figure 52.11 p. 1162

 

The Logistic population grwoth model and life histories p. 1163

·        K-seleection

·        r-selection

Population-limiting factors p. 1163

·        Density-dependent factors

·        Density-Independent Factors

·        Negative feedback

 

Human population growth p. 1168

·        Figure 52.20 p. 1168

 

Age Structure p. 1169

·        Figure 52.22 p. 1170