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- https://bio.libretexts.org/Courses/Gettysburg_College/01%3A_Ecology_for_All/10%3A_Population_modeling/10.05%3A_Geometric_and_Exponential_GrowthPopulations of all species - whether fruit flies or elephants - have the potential to increase rapidly when resources are abundant. This results in a classic "J"-shaped graph of population size over ...Populations of all species - whether fruit flies or elephants - have the potential to increase rapidly when resources are abundant. This results in a classic "J"-shaped graph of population size over time. For populations that can breed throughout the year this is called exponential growth. Most organisms, however, are restricted to breeding at certain times of the year, which results in geometric growth.
- https://bio.libretexts.org/Workbench/General_Ecology_Ecology/Chapter_10%3A_Population_modeling/10.2%3A_Demographic_ratesFour processes contribute to changes in population size: mortality, birth, immigration, and emigration. These and related quantities such as survival are called demographic rates. Understanding the ...Four processes contribute to changes in population size: mortality, birth, immigration, and emigration. These and related quantities such as survival are called demographic rates. Understanding the conceptual importance and mathematical characterization of these rates allows us to understand how and why a population changes over time.
- https://bio.libretexts.org/Workbench/General_Ecology_Ecology/Chapter_10%3A_Population_modeling/10.3%3A_Overview_of_Population_Growth_Models/10.3.1%3A_Geometric_and_Exponential_GrowthPopulations of all species - whether fruit flies or elephants - have the potential to increase rapidly when resources are abundant. This results in a classic "J"-shaped graph of population size over ...Populations of all species - whether fruit flies or elephants - have the potential to increase rapidly when resources are abundant. This results in a classic "J"-shaped graph of population size over time. For populations that can breed throughout the year this is called exponential growth. Most organisms, however, are restricted to breeding at certain times of the year, which results in geometric growth.
- https://bio.libretexts.org/Courses/Thompson_Rivers_University/Principles_of_Biology_II_OL_ed/04%3A_Ecology/4.02%3A_Population_Ecology/4.2.05%3A_Population_ModelsAlthough life histories describe the way many characteristics of a population (such as their age structure) change over time in a general way, population ecologists make use of a variety of methods to...Although life histories describe the way many characteristics of a population (such as their age structure) change over time in a general way, population ecologists make use of a variety of methods to model population dynamics mathematically. These more precise models can then be used to accurately describe changes occurring in a population and better predict future changes.
- https://bio.libretexts.org/Courses/Gettysburg_College/01%3A_Ecology_for_All/10%3A_Population_modeling/10.02%3A_Demographic_ratesFour processes contribute to changes in population size: mortality, birth, immigration, and emigration. These and related quantities such as survival are called demographic rates. Understanding the ...Four processes contribute to changes in population size: mortality, birth, immigration, and emigration. These and related quantities such as survival are called demographic rates. Understanding the conceptual importance and mathematical characterization of these rates allows us to understand how and why a population changes over time.
- https://bio.libretexts.org/Workbench/General_Ecology_Ecology/4.2%3A_Population_Ecology/4.2.05%3A_Population_ModelsAlthough life histories describe the way many characteristics of a population (such as their age structure) change over time in a general way, population ecologists make use of a variety of methods to...Although life histories describe the way many characteristics of a population (such as their age structure) change over time in a general way, population ecologists make use of a variety of methods to model population dynamics mathematically. These more precise models can then be used to accurately describe changes occurring in a population and better predict future changes.
