natural population change

NATURAL POPULATION CHANGE

Upload: profesora-geografia-e-historia-ies

Post on 05-Jul-2015

411 views

Category:

Documents

0 download

Report

Download

Embed Size (px):

TRANSCRIPT

NATURAL POPULATION CHANGE

NATURAL POPULATION

CHANGE

NATALITY

The Birth Rate (BR)

The Fertility Rate (FR)

MORTALITY

The Death Rate (DR)

The Infant Mortality Rate

Life expectancy

NATURAL INCREASE

Rate of natural increase (NI)

What does natural

population change refers

to?

What is Natality?

How is the Birth Rate

calculated?

WORLD BIRTH RATES

Describe the distribution of the birth rate in the world.

FERTILITY RATE

What is the fertility rate? Describe its distribution in the

world.

WHY DO FERTILITY RATE AND BIRTH RATE VARY

IN THE DIFFERENT REGIONS OF THE WORLD?

What is Mortality?

How is the Mortality

Rate calculated?

MORTALITY RATE

Describe the distribution of the mortality rate in the world.

INFANT MORTALITY RATE

What is infant mortality? Describe the graph.

WORLD INFANT MORTALITY RATES

Describe the distribution of the infant mortality rates in the

world. Why are infant mortality rates higher in some

countries? Why are they lower in other countries?

LIFE EXPECTANCY

What is life expectancy? Describe the graph.

What is Natural

Increase?

How is the Natural

Increase Rate calculated?

WORLD POPULATION GROWTH RATE

POPULATION GROWTH AND POLICIES

Ex. 9 on page 49

Ex. 4 on page 56

Ex. 5 on page 57

POPULATION POPULATION DENSITY AND TECHNOLOGICAL CHANGE …

Natural Change. There are only two factors that can increase a population, births and immigration. Natural change in a population considers only births

Population and Settlement Case Studies. A case study to illustrate strategies to influence natural population change within a country China – one child

Rural Population Change

New Zealand Population. Focus Question population change over time including: population totals, age-sex structure, natural increase population sustainability:

What factors affect population change?. The Input-Output Model of Population Change Births Immigration Deaths Emigration Inputs Outputs Natural Change

I. Population change

Population 3 Intro To Population Change

Population Growth and Change - Kendall Hunt … 1 Population Growth and Change 3 percentage rate. For the world the rate of natural increase was 12 per thousand, which is equivalent

Population change revision

Dynamics of Population Change - New York · Population Change Natural Increase Net Migration Source: U.S. Census Bureau, 2011 Estimates Program as revised by Population Division -

Understanding recent migrant fertility in the · natural change, until natural change overtook net migration again in 2008. The increase in the contribution of natural change to population

Rural Population Growth, Agricultural Change and …ageconsearch.umn.edu/bitstream/97505/2/eptdp48.pdf · · 2017-04-01rural population growth, agricultural change and natural resource

Red Squirrels United - Evolving IAS grey squirrel ... · Population change: natural deaths and recruitment in remaining local populations _____19 Movement: population available for

Social Culture & Change Unit 9. Sources of Social Change Environment ◦ Natural Disasters Population ◦ Birth rates ◦ Death rates ◦ Subcultures

1 Population Population Distribution Measuring Population Population Change Overpopulation

Other Factors Can Affect Genetic Variation In A Population Natural Selection drives the evolution (change in genetic material) of a population Other factors

Evolution by Natural Selection Evolution is the change in inherited traits in a population/species from one generation to the next. Natural selection

Population Dynamics Population is always changing. You can study the effects of both natural change from birth and deaths, and migration. This change has

Forces of evolutionary change Natural selection – traits that improve survival or reproduction accumulate in the population ADAPTIVE change (survival

1. POPULATION IN TRANSITION IBDP Expectations: Population Change: Explain population trends and patterns in births (Crude Birth Rate), natural increase

Evolution as Genetic Change. 16.2 Evolution as Genetic Change Natural selection can affect phenotypes in a population in 3 ways A.Directional Selection

Population Change

Population Change: Implications for The Future Of Texas ...€¦ · Population and Population Change for Texas Metropolitan Areas, 2017 -2018 Population Change 2010-2018 Metropolitan

Scotland's Population 2016 · Population Life Births Deaths expectancy 5 Population estimates, 1951-2016 6 Natural change and net migration, 1951-2016 7 Population profile, 2016 8

3- Population Change

Population Dynamics Natural change and Actual Change

FORECASTING NATURAL POPULATION CHANGE: THE ......FORECASTING NATURAL POPULATION CHANGE: THE CASE OF LATVIA 3 2014 4 NON-TECHNICAL SUMMARY In this paper, we forecast natural population

Population Change. Natural Population Change A change in the population due to the difference in # of births and the # of deaths. Births – Deaths = Natural

Chap. 6. Molecular Phylogeny. Charles Darwin, 1859 Natural selection Evolution Change in frequency of genes in a population Heritable changes in a population

HOW AND WHY DOES THE DISTRIBUTION OF POPULATION CHANGE OVERTIME? POPULATION CHANGE

Extreme natural hazards: population growth, … natural hazards: population growth, globalization and environmental change BY HERBERT E. HUPPERT 1,* AND R. STEPHEN J. SPARKS 2 1Institute

Population Dynamics. Populations of plants and animals change over time due to: climate change, natural disaster, Changes in predator or prey abundance,

Population Ecology. 3 CHARACTERISTICS OF A POPULATION: 1)Density- individuals per unit area “ natural population ” 2) Growth Rate- change in the number

Population as a System In-migrants Total Population Population Gain Population Loss + _ + _ Migrational Change Natural Change Births DeathsOut-migrants