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population

carrying capacity

limiting factor

density dependent factor

group of individuals of the same species living in a particul…

largest number of individuals of a population that a environm…

an environmental factor that prevents a population from incre…

limiting factor that depends on population size

population

group of individuals of the same species living in a particul…

carrying capacity

largest number of individuals of a population that a environm…

b

dN/dt=rN

Nt=N0e^rt

potential

Nt=R0^t(N0)... The equation above would be useful in estimating…

the differential form (to find change in population size)

the integral form (to find population size)... -where N0= number…

populations of all organisms have the ________ to grow expone…

b

Nt=R0^t(N0)... The equation above would be useful in estimating…

dN/dt=rN

the differential form (to find change in population size)

intrinsic growth rate

r= birthrate - death rate

exponential growth model

future population size

the highest possible per capita growth rate for a population

intrinsic growth rate equation

a model of population growth in which the population increase…

Nt

intrinsic growth rate

the highest possible per capita growth rate for a population

r= birthrate - death rate

intrinsic growth rate equation

Exponential Growth

Logistic Growth

Carrying Capacity

Population Crash

growth pattern in which the individuals in a population repro…

A model describing population growth that levels off as popul…

largest number of individuals of a population that a environm…

a sudden population decline caused by predation, waste accumu…

Exponential Growth

growth pattern in which the individuals in a population repro…

Logistic Growth

A model describing population growth that levels off as popul…

Dispersion

example of dispersion

what are the 3 main types of dispersion?

Clumped Distribution

pattern of spacing among individuals within a certain area ... (…

birds on a line will disperse withing pecking distance, to be…

1. Clumped... 2. Uniform... 3. Random distribution

pattern: individuals have a higher probability of being found…

Dispersion

pattern of spacing among individuals within a certain area ... (…

example of dispersion

birds on a line will disperse withing pecking distance, to be…

immigration

emigration

exponential growth

logistic growth

the movement of individuals into a population from another po…

the movement of individuals out of a population and into anot…

a rapid population increase due to an abundance of resources

a population begins with a period of slow growth followed by…

immigration

the movement of individuals into a population from another po…

emigration

the movement of individuals out of a population and into anot…

discrete annual growth

What are the geometric growth equations?

A population has N=100 individuals at…

If a population grows continuously, N[…

populations that grow in pulses

N[t] = N[o] λ^t... N[t+1] = N[t] λ... [subscript]

N5=100 (1.05^2)... N5=110

r= the per capita rate of increase (intrinsic rate of increas…

discrete annual growth

populations that grow in pulses

What are the geometric growth equations?

N[t] = N[o] λ^t... N[t+1] = N[t] λ... [subscript]

population size

birth rate

death rate

immigration

number of individuals of the same species living in one area

rate at which new individual organisms are born, increases po…

rate at which individual organisms die, reduces population size

movement of individuals INTO a population, increases populati…

population size

number of individuals of the same species living in one area

birth rate

rate at which new individual organisms are born, increases po…

population

carrying capacity

limiting factor

density dependent factor

group of individuals of the same species living in a particul…

largest number of individuals of a population that a environm…

an environmental factor that prevents a population from incre…

limiting factor that depends on population size

population

group of individuals of the same species living in a particul…

carrying capacity

largest number of individuals of a population that a environm…

population

carrying capacity

limiting factor

density dependent factor

group of individuals of the same species living in a particul…

largest number of individuals of a population that a environm…

an environmental factor that prevents a population from incre…

limiting factor that depends on population size

population

group of individuals of the same species living in a particul…

carrying capacity

largest number of individuals of a population that a environm…

population

community

population density

exponential growth

a collection of individuals of all one species living in a sp…

a collection of several populations interacting with one anot…

the number of organisms of a population living in a specified…

there is plenty of food and space and a population grows rapi…

population

a collection of individuals of all one species living in a sp…

community

a collection of several populations interacting with one anot…

population

community

population density

exponential growth

a collection of individuals of all one species living in a sp…

a collection of several populations interacting with one anot…

the number of organisms of a population living in a specified…

there is plenty of food and space and a population grows rapi…

population

a collection of individuals of all one species living in a sp…

community

a collection of several populations interacting with one anot…

population density

population size

population distribution

sex ratio

Number of individuals per unit area

the number of individuals in a population

how population is spread out in an area

The number of males per 100 females in the population.

population density

Number of individuals per unit area

population size

the number of individuals in a population

Types of Growth

Predator-Prey Interactions

Population Growth Rate

Birth Rates

Exponential, Logistic

Predator: an animal who eats another... Prey: an animal hunted o…

The rate of growth in an area

The rate of births in an area

Types of Growth

Exponential, Logistic

Predator-Prey Interactions

Predator: an animal who eats another... Prey: an animal hunted o…

Immigration

Emigration

exponential growth

logistic growth

the movement of individuals into a population from another po…

the movement of individuals out of a population and into anot…

occurs when a population size increases dramatically over a p…

a population begins with a period of slow growth followed by…

Immigration

the movement of individuals into a population from another po…

Emigration

the movement of individuals out of a population and into anot…

Population density

Random dispersion

Population dispersion clumping

population dispersion uniform

the number of individuals per unit area

populations to be found randomly about their habitat. In immo…

populations to be found in tight clusters, dispersed across a…

populations to be found evenly distributed about their habita…

Population density

the number of individuals per unit area

Random dispersion

populations to be found randomly about their habitat. In immo…

immigration

emigration

exponential growth

logistic growth

the movement of individuals into a population from another po…

the movement of individuals out of a population from another…

occurs when a population size increases dramatically over a p…

a population begins with a period of slow growth followed by…

immigration

the movement of individuals into a population from another po…

emigration

the movement of individuals out of a population from another…

immigration

emigration

exponential growth

logistic growth

the movement of individuals into a population from another po…

the movement of individuals out of a population and into anot…

when a population size increases dramatically over a period o…

a population begins with a period of slow growth followed by…

immigration

the movement of individuals into a population from another po…

emigration

the movement of individuals out of a population and into anot…

immigration

emigration

exponential growth

logistic growth

the movement of individuals into a population from another po…

the movement of individuals out of a population and into anot…

occurs when a population size increases dramatically over a p…

a population begins with a period of slow growth followed by…

immigration

the movement of individuals into a population from another po…

emigration

the movement of individuals out of a population and into anot…

Natality (n)

Mortality (m)

Immigration (i)

Emigration (e)

The number of births per unit of time.

The number of deaths per unit of time.

The number of individuals that move into an existing populati…

The number of individuals that move away from an existing pop…

Natality (n)

The number of births per unit of time.

Mortality (m)

The number of deaths per unit of time.

population

population ecology

biotic factors

abiotic factors

a group of individuals of the same species that occupy the sa…

the study of changes in population size and the factors that…

living factors that cause variation in population size

non-living factors that cause variation in population size

population

a group of individuals of the same species that occupy the sa…

population ecology

the study of changes in population size and the factors that…

Population Density

Carrying Capactiy

Age-Structure Diagram

Immigration

The number of individuals of a population per unit area or vo…

the maximum population size that can be supported by the avai…

A diagram that shows the relative number of individuals of ea…

The process of individuals moving into a range from elsewhere.

Population Density

The number of individuals of a population per unit area or vo…

Carrying Capactiy

the maximum population size that can be supported by the avai…

Carrying capacity (K)

Logistic population growth

Logistic growth model

small, small

the maximum population size in the environment can support

the per capita rate of increase declines as carrying capacity…

delta N/ delta t=r(max)N*(K-N)/K

when N in large compared to K, then (K-N)/K is ________, and…

Carrying capacity (K)

the maximum population size in the environment can support

Logistic population growth

the per capita rate of increase declines as carrying capacity…

Demography

Growth Rate

Intrinsic Growth Rate

Exponential Growth Model

study of populations

number of new individuals that are produced per unit of time…

highest possible per capita growth rate for a population

model if growth in which the population increases continuousl…

Demography

study of populations

Growth Rate

number of new individuals that are produced per unit of time…

New england forest come full circle

Levels of complexity

Population

Community

Population can increase or decrease dramatically over time. I…

Scientist study nature at several different levels of complex…

Population dynamics the unit of evolution

Interactions among species. Populations of organisms

New england forest come full circle

Population can increase or decrease dramatically over time. I…

Levels of complexity

Scientist study nature at several different levels of complex…

population

density

dispersion

mark-recapture method

A group of individuals of one species that live in a particul…

The number of individuals per unit area or volume

The pattern of spacing among individuals within geographic po…

A sampling technique used to estimate wildlife populations

population

A group of individuals of one species that live in a particul…

density

The number of individuals per unit area or volume

demography

growth rate

intrinsic growth rate (r)

exponential growth model

the study of populations

in a population, the number of new individuals that are produ…

the highest possible per capita growth rate for a population

a model of population growth in which the population increase…

demography

the study of populations

growth rate

in a population, the number of new individuals that are produ…

population

carrying capacity

limiting factor

density dependent factor

group of individuals of the same species living in a particul…

largest number of individuals of a population that a environm…

an environmental factor that prevents a population from incre…

limiting factor that depends on population size

population

group of individuals of the same species living in a particul…

carrying capacity

largest number of individuals of a population that a environm…

All the individuals of a species that…

the statistic sway of populations make…

what are 3 key features of population

measurement of population per unit are…

population

demography

size, density, & dispersion

density

All the individuals of a species that…

population

the statistic sway of populations make…

demography

Demography

Growth Rate

Intrinsic Growth Rate (r)

Exponential Growth Model

the study of populations

in a population, the number of new individuals that are produ…

the highest possible per capita growth rate for a population

a model of population growth in which the population increase…

Demography

the study of populations

Growth Rate

in a population, the number of new individuals that are produ…

Demography

Growth Rate

Intrinsic Growth Rate

Exponential Growth Model

study of populations

the number of new individuals that are produced minus those w…

the highest possible per capita growth rate for a population

a model of population growth in which the population increase…

Demography

study of populations

Growth Rate

the number of new individuals that are produced minus those w…

carrying capacity (K)

Chi square

density-dependent factor

density-independent factor

the maximum population of a species that a particular ecosyst…

a statistic used to measure how much a sample distribution di…

biotic factor in the environment efforts on population may be…

abiotic factor the environment efforts on population may be i…

carrying capacity (K)

the maximum population of a species that a particular ecosyst…

Chi square

a statistic used to measure how much a sample distribution di…

population density

random dispersion

clumping dispersion

uniform dispersion

the number of individuals of a population that inhabit a cert…

describing a dispersion pattern in which individuals are spac…

individuals "flock" together; most common dispersion pattern

even spacing of individuals of the same species within an area

population density

the number of individuals of a population that inhabit a cert…

random dispersion

describing a dispersion pattern in which individuals are spac…

objectives:... - explain the exponential…

population growth models

population growth rate

intrinsic growth rate (r)

...

mathematical equations that can be used to predict population…

the number of offspring an individual can produce in a given…

the maximum potential for growth of a population under ideal…

objectives:... - explain the exponential…

...

population growth models

mathematical equations that can be used to predict population…

demography

growth rate

intrinsic growth rate (r)

exponential growth model

the study of populations

in a population, the number of new individuals that are produ…

the highest possible per capita growth rate for a population

a model of population growth in which the population increase…

demography

the study of populations

growth rate

in a population, the number of new individuals that are produ…

Population Growth Rate

Mortality

Survivorship Curves

Birth Rate

Is determined by births, deaths, immigration, and emigration…

The rate at which individuals die.

Show how individuals of different ages have different probabi…

Birth rate is expressed as number of births per 1000 people p…

Population Growth Rate

Is determined by births, deaths, immigration, and emigration…

Mortality

The rate at which individuals die.

Demography

Growth rate

Intrinsic growth rate (r)

Exponential growth model

The study of populations

In a population, the number of new individuals that are produ…

The highest population per capita growth rate for a population

a model of population growth rate in which the population inc…

Demography

The study of populations

Growth rate

In a population, the number of new individuals that are produ…

population size

population density

population distribution

random uniform clumped

the total number of individuals within a defined area... i.e the…

number of individuals / area. ... this is a mathematical number…

how individuals are distributed with respect to one another

three types of population distribution

population size

the total number of individuals within a defined area... i.e the…

population density

number of individuals / area. ... this is a mathematical number…

population demography

growth rate

intrinsic growth rate (r)

exponential growth model

the study of populations

the number of new individuals produced per unit of time minus…

highest possible per capita growth rate per population (ideal…

a model of population growth where the population continues t…

population demography

the study of populations

growth rate

the number of new individuals produced per unit of time minus…

Population Growth

Model Parameter:

Assumptions:

Exponential Growth Model... Assumptions

Nt= # + Birth - Death + Immigration - Emigration

Variables we need to know to be able to make predictions

Conditions we assume are met to simplify the model

- Closed population ... - Birth rates and death death rates are…

Population Growth

Nt= # + Birth - Death + Immigration - Emigration

Model Parameter:

Variables we need to know to be able to make predictions

demography

growth rate

Intrinsic growth rate (r)

Exponential growth model

the study of populations

In a population, the number of new individuals that are produ…

the highest possible per capita growth rate for a population

A model of population growth in which the population increase…

demography

the study of populations

growth rate

In a population, the number of new individuals that are produ…

Demography

Growth Rate

Intrinsic Growth Rate (r)

Exponential Growth Rate

the study of populations

in a population, the number of new individuals that are produ…

the highest possible per capita growth rate for a population

a model of population growth in which the population increase…

Demography

the study of populations

Growth Rate

in a population, the number of new individuals that are produ…

Populations can grow at GEOMETRIC or E…

Geometric Population Growth

Geometric growth

An organism's life history traits

in the presence of abundant resources.

growth by any population with pulsed reproduction.

λ=N t+1 / Nt

1. age when reproduction begins... 2. how often an organism repr…

Populations can grow at GEOMETRIC or E…

in the presence of abundant resources.

Geometric Population Growth

growth by any population with pulsed reproduction.

Ecology

Ecological Population

Ecological Community

Fecundity

Interaction of organisms with their living and non-living env…

A group of individuals of the same species living in the same…

A mosaic of interacting populations of different types of org…

Average number of offspring per adult female of a species

Ecology

Interaction of organisms with their living and non-living env…

Ecological Population

A group of individuals of the same species living in the same…

Population

Population Sampling

Density

Mark-Recapture Method

A group of individuals that belong to the same species and li…

Difficult to count EVERY individual in a population so,... -Samp…

Number of individual per area

1)Capture,mark and release (M) individuals... 2)Recapture anothe…

Population

A group of individuals that belong to the same species and li…

Population Sampling

Difficult to count EVERY individual in a population so,... -Samp…

Population

Population Ecology

Population Dynamics

Population Density

A group of individuals of a SINGLE SPECIES that occupy the sa…

The CHANGES IN POPULATIONS SIZE and THE FACTORS that regulate…

The interactions between biotic and abiotic factors that caus…

The number of individuals of a species per unit area or volum…

Population

A group of individuals of a SINGLE SPECIES that occupy the sa…

Population Ecology

The CHANGES IN POPULATIONS SIZE and THE FACTORS that regulate…

demography

growth rate

intrinsic growth rate (r)

exponential growth model

the study of populations

in a population, the number of new individuals that are produ…

the highest possible per capita growth rate for a population

a model of population growth in which the population increase…

demography

the study of populations

growth rate

in a population, the number of new individuals that are produ…