(ecology) The branch of ecology that considers the relations of individual persons and of human communities with their particular environment.
| Sci-Tech Dictionary: human ecology |
(ecology) The branch of ecology that considers the relations of individual persons and of human communities with their particular environment.
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| Sci-Tech Encyclopedia: Human ecology |
The study of how the distributions and numbers of humans are determined by interactions with conspecific individuals, with members of other species, and with the abiotic environment. Human ecology encompasses both the responses of humans to, and the effects of humans on, the environment. Human ecology today is the combined result of humans' evolutionary nature and cultural developments. See also Biosphere; Ecological communities; Ecosystem.
Humans' strong positive and negative emotional responses to components of the environment evolved because our ancestors' responses to environmental information affected survival and reproductive success. Early humans needed to interpret signals from other organisms and the abiotic environment, and they needed to evaluate and select habitats and the resources there. These choices were emotionally driven. For example, food is one of the most important resources provided by the environment. Gathering food requires decisions of where to forage and what items to select. Anthropologists often use the theory of optimal foraging to interpret how these decisions are made. The theory postulates that as long as foragers have other valuable ways to spend their time or there are risks associated with seeking food, efficient foraging will be favored even when food is not scarce. This approach has facilitated development of simple foraging models and more elaborate models of food sharing and gender division of labor, symbolic communication, long-term subsistence change, and cross-cultural variation in subsistence practices.
Significant modification of the environment by people was initiated by the domestication of fire, used to change vegetation structure and influence populations of food plants and animals. Vegetation burning is still common in the world, particularly in tropic regions. The arrival of humans with sophisticated tools precipitated the next major transformation of Earth, the extinction of large vertebrates. Agriculture drove the third major human modification of environments. Today about 35–40% of terrestrial primary production is appropriated by people, and the percentage is rising.
Humans will continue to exert powerful influences on the functioning of the Earth's ecological systems. The human population is destined to increase for many years. Rising affluence will be accompanied by increased consumption of resources and, hence, greater appropriation of the Earth's primary production. Nevertheless, many future human ecology scenarios are possible, depending on how much the human population grows and how growth is accommodated, the efficiency with which humans use and recycle resources, and the value that people give to preservation of biodiversity. See also Anthropology; Ecology; Environment; Sociobiology.
| Geography Dictionary: human ecology |
Numerous, and rather differing definitions of this term are current. Some human ecologists stress the ecological disorder created by human societies; others use it to describe the approach to urban social geography developed by the ‘Chicago School’ of the 1920s which applies ecological concepts to human behaviour.
In this second definition, the city is seen as a social organism, where human communities emerge through ‘natural’ processes such as impersonal competition, segregation, dominance, invasion and succession. Impersonal competition is a central concept, as individuals compete for favourable locations throughout the city; through the market mechanism a pattern of land rents emerges which brings about the segregation of different types of people according to their ability to meet these rents; this in turn leads to the development of natural areas, or communities, within the city. The dominance of a group within a natural area is thus related to its relative competitive power. (This thinking is expressed in the Concentric model.) Other concerns of human ecology are descriptions and delineations of ‘natural areas’ and the investigation of ‘ecologies’ associated with deviant behaviour. Although the effects of this school of thought have been far-reaching, it has also been criticized for over-emphasizing competition and neglecting the importance of cultural and motivational factors in explaining residential behaviour.
| Wikipedia: Human ecology |
Human ecology is an academic discipline that deals with the relationship between humans, human societies, and their natural, social and created environments.
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In the USA, human ecology was established as a sociological field in the 1920s, although geographers used the term much earlier. Amos H. Hawley published Human Ecology—A Theory of Community Structure in 1950. He dedicated the book to one of the pioneers in the field who had begun writing the work with Hawley, R. D. McKenzie. McKenzie used the term in his paper entitled "The Ecological Approach to the Study of the Human Community," which is Chapter III of the 1925 book, The City, by Robert E. Park and Ernest W. Burgess. Hawley contributed other works to the development of the field. In 1961, an important reader, Studies in Human Ecology, was published (edited by George A. Theodorson).
In the 1970s William R. Catton and Riley E. Dunlap built on earlier works by Chicago School's Robert E. Park and Hawley. One main idea of Catton and Dunlap was to go away from the Durkheimian paradigm of explaining social facts only with social facts. Instead, they included physical and biological facts as independent variables influencing social structure and other social phenomena. This change of paradigm can be described as a change from a classical sociological view of human exemptionalism to a new view (named new ecological paradigm by Catton and Dunlap). Humans are no longer seen as an exceptional species that uses culture to adapt to new environments and environmental change, influenced more by social than by biological variables, but rather as one species out of many that interacts with a bounded natural environment.
In contrast to the Chicago School of Human Ecology developed by Park, Burgess, and Mckenzie during the 1920s, contemporary research in social ecology goes beyond the biological and economic foundations of human ecology to provide a broader, cross-disciplinary perspective on the ways in which human-environment relations are jointly influenced by physical environmental, political, legal, psychological, cultural, and societal forces.
A line of conflict between this new paradigm and the classical sociological approach is the de-valuating of society and culture. Human ecology views human communities and human populations as part of the ecosystem of earth. In this view, sociology would be only a sub-discipline of ecology -- the special ecology of the species Homo sapiens sapiens. Of course, this is seen as an affront by most sociologists.
Human ecology is variously a sub-discipline of geography, anthropology, psychology, sociology, or ecology. The inclusion or exclusion of human ecology in sociology proper varies between countries and schools of sociological thinking. Environmental sociology is a field of sociology which encompasses the interactions between humans and nature/natural environment, but is rooted in the methodological and theoretical canon of sociology. Sometimes human ecology is seen as part of environmental sociology, sometimes it is seen as something completely separate. Influences can also be seen on occasion between human ecology and the field of political ecology.
Human Ecology is an interdisciplinary applied field that uses a holistic approach to help people solve problems and enhance human potential within their near environments - their clothing, family, home, and community. Human Ecologists promote the well-being of individuals, families, and communities through education, prevention, and empowerment.
Human ecology explores not only the influence of humans on their environment but also the influence of the environment on human behaviour, and their adaptive strategies as they come to understand those influences better. [...] For us, human ecology is a methodology as much as an area of research. It is a way of thinking about the world, and a context in which we define our questions and ways to answer those questions [...]
– "What is Human Ecology?", Environmental Change Institute, Oxford University
"In the absence of any precedent let us tentatively define human ecology as a study of the spatial and temporal relations of human beings as affected by the selective, distributive, and accommodative forces of the environment." R.D. McKenzie (1925)
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