Human population growth and the environment an overview human population growth and the environment human population an explosive growth human needs limited resources our natural environment under attack roles of technology and engineering an uncertain future humans are recent arrivals earth 5 billion years multicell biota 600 million years. Projecting global population human population continues to increase r has declined over last few decades 1960 r 2. Calvert high school 520 fox run blvd prince frederick md 20678. Human population dynamics the human population of our planet now exceeds 6. Chapter7 chapter 7 reading guide the human population. Teachers resources the following six lessons enable students to use different features of the site to explore trends in population, the environment, and human wellbeing over the past 2,000 years, as well as projections of future growth. Human population notes outline environmental science notes. The population, affluence, and destructive technology of a population impact the environment according to the ipat equation. I responding to environmental change i student workbook adaptation. Over the years, standards of living have improved and they have almost overpopulated themselves. The teacher guide section includes resources to complement the human impact on ecosystems unit plan. Various diseases hiv aids, tb, malaria, water borne diseases. Identify the world region on the map with the highest rates of natural increase. I responding to environmental change i student edition adaptive characteristics the coyotes behavioral adaptability and intelligence help it survive in human environments, but these same traits put the coyote at risk of becoming too comfortable around people.
Development of advanced technologies in the field of agriculture caused. Overpopulation can further be viewed, in a long term perspective, as existing when a population cannot be maintained given the rapid depletion of nonrenewable resources or given the degradation of the capacity of the environment to give. Though the family welfare programme has resulted in significant. The rapid increase of human population is putting an incredible strain on our environment. Chapter objectives assess the scope of human population growth and potential limits to its growth evaluate how human population, affluence, and technology affect the environment explain and apply the. The densities of human populations in various areas are not the same and is always changing. The world population is currently growing by approximately 74 million people per year, with most growth occurring in developing countries 2. Feb 29, 2016 human population and environment chapter 2 1. Feb 06, 2016 human population and the environment env vidyamitra. Environmental studies pdf notes es pdf notes smartzworld. Pdf human population growth and the demographic transition.
By the middle of the current century, it is estimated it will extend to 9. The lessons are designed for high school science and social studies classrooms and address current national and state. India launched the national family welfare programme in 1951 with the objective of. Human overpopulation occurs when the number of humans in a specific geographical location exceeds the carrying capacity of the place occupied by that group. Humans and the environment page 4 of 22 understand the difference between the frontier ethic and sustainable development ethic. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Former editorsinchief of the journal include prominent racialists such as virginia. Dive into primary and secondary succession, and figure out how ecological succession can affect an ecosystems total biomass, species richness, and net productivity. Green indicates grass, blue indicates rabbits, and. According to united nations estimates, the urban population in asia will nearly double in the next 30 years. Human population trends are centrally important to environmental science.
Humans have sought to understand the relationship between population dynamics and the environment since the earliest times 1, 2, but it was thomas malthus essay on the principle of population in 1798 that is credited with launching the study of population and resources as a scientific topic of inquiry. The interactions between human population dynamics and the environment. In each case, we will try to provide some indication of the degree of. Unit outlines from college board, pdf this is a large document and will take a few seconds to load. The reduction in life expectancy caused by hivaids was estimated to be 7 years for 2005. The environmental implications of population dynamics. California education and the environment initiative i unit 7. Consider how organisms adapt to their environments and how sudden or gradual environmental changes can affect a species survival. Whether we have 500 million people or one trillion. Malthus famous hypothesis was that population numbers tend to grow. It is frequently applied to living organisms, most of the time to humans. Ap human geography freeresponse questions frq fiveable. Be sure to watch the video the science of smog powerpoint used in video practice multiple choice for 7.
By the end of this session students will be able to. A change in the body or behavior of a species in response to a new environmental condition. Chapter objectives assess the scope of human population growth and potential limits to its growth evaluate how human population, affluence, and technology affect. The variety and complexity of populationenvironment associations varies with spatial aggregation. Human population notes outline environmental science. What about human society changed during the agricultural revolution. The changes in human environment increases the incidence of many diseases. Start the discussion today with the notion of sustainability. For more information about increasing agricultural productivity, see unit 7. You will find a glossary, a timeline, contextsetting activities, a bibliography, curriculum links. Students examine the timeline of global population growth and begin to uncover the relatively exponential nature of this growth by tracing. Human communities and the environment human population growth.
The image above is a population graph from the predatorprey game. Therefore, human interference with the nature was minimal. Assume that a human can choose from any of the three organisms above as a source of nutrition. The map shows rates of natural increase in human population. Which of the food sources provides the most efficient transfer of energy from the sun to us. Human health and environment the huge population pressurizes and degrades the environment physically, chemically and biologically. What environmental resistance factors were faced by humans during the huntergatherer period. Sudeshna banerjee sociopolitical consequences of population growth escalation of conflict and maybe also wars between and amongst countries over control on natural resources will escalate grave economic conflicts between biotechnologically advanced. Population and the environment the impact of population growth on economic development is a complex issue. As might be imagined population growth has positive and negative effects on development. Population growth, rate of natural increase, and antinatal policies. Population, natural resources, and environment 115 unplanned urbanization primarily as a result of ruraltourban migration, asia is the fastest urbanizing region in the world.
Identify practices in modern society that reflect environmental ethics. Demography the study of human populations and population trends. Human population and the environment environmental studies notes. In simple terms, population density refers to the number of people living in an area per square kilometre. This unit covers the demographic transition, urban sprawl and the problem with cities and possible solutions to the issues that large cities bring. Population 50 million 100 million 200 million 400 million 800 million 1600 million 3200 million 6100 million 8900 million. Field workfor assignments only distribution of marks qi. Jun 14, 2010 human population growth and the environmentexplosive population growthlimited natural resourcesincreasing environmental stresssustainable use.
Human population and the environment free download as powerpoint presentation. The fertile crescent was an especially biodiverse area. Outline and assess the concept of demographic transition. Will studying the history of the worlds population growth help predict the earths carrying capacity. Chapter 7 species interactions and ecological succession. By the end of this session students will be able to 1.
Core module syllabus for environmental studies for under graduate courses of all branches of higher education vision the importance of environmental science and environmental studies cannot be disputed. Human population growth and the environmentexplosive population growthlimited natural resourcesincreasing environmental stresssustainable use. Chapter 7 reading guide the human population the environmental implications of chinas growing population 1. Chapter 4 human population and environment yash patel population. The complexity of the interrelationships between population growth and environmental concerns is often obscured when the global picture is presented. Using the region identified in part a, explain three factors that contributes to high. The editorinchief is dr elizabeth fussell, associate professor of population studies and environment and society at brown university. Much of this growth is projected for the most environmentally fragile regions of the world. Civil war began, the population increased more than 30% per year. In research on population and energy use, the household has been found to be a more useful unit of analysis than the individual, and population environment researchers have made major strides in understanding how household size, composition, and income are related via energy use to environmental impacts. Doubling time 4,200 years 600 years 1,400 years 500 years 200 years 65 years 51 years to double 215 years to double. The state of health of people depends on clean environment. While developed countries continue to pollute the environment and deplete its resources, developing.
For most of our existence the human population has grown very slowly. Summarize the history of chinas population between 1985 and 2002, chinas population increased 30% from its original population. Resettlement and rehabilitation of project affected persons. It seems that modern humans appeared around 1,50,000 years bp before present and established in several parts of the world around 50,000 bp. The relationship between environmental problems and population growth is.
Lecture 15 human population impacts this lecture talks about the impacts of human growth on the environment and on themselves. List the densitydependent growthlimiting factors faced by humans during the huntergatherer period. Students will be introduced to human population dynamics and the challenges that it brings. This is a rate that for a human population can be sustained only by immigration. Evaluate how human population, affluence, and technology affect the environment. Assess the scope of human population growth and potential limits to its growth. National academy of sciences published the growth of world population 7. The need for sustainable development is a key to the future of mankind. The density of human population the density of human population is the number of the population occupying a certain area over a unit of time. Thats more than seven billion three hundred million bodies that need to be. Human population and the environment population growth the origin of modern humans homo sapiens sapiens is still shrouded in controversy.
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