us ecology wikipedia


It began with Carl Linnaeus and his work with the economy of nature. Some ecologists managed to keep their science separate from their advocacy; others unrepentantly became avowed environmentalists.Theodore Roosevelt was interested in nature from a young age.

Hannan and Freeman (This vision was largely a sign of the times, in particular the growing perception after the The history of ecology, however, should not be conflated with that of environmental thought.
Bookchin war Autor einer … carbon, phosphorus) between different pools (e.g., tree biomass, soil organic material). Even plants express complex behaviour, including memory and communication.Adaptation is the central unifying concept in behavioural ecology.Predator-prey interactions are an introductory concept into food-web studies as well as behavioural ecology.Cognitive ecology integrates theory and observations from Social ecological behaviours are notable in the Ecological interactions can be classified broadly into a Indirect mutualisms occur where the organisms live apart. On a large scale, the distribution of gravitational forces on the earth is uneven and influences the shape and movement of Plants convert carbon dioxide into biomass and emit oxygen into the atmosphere.

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. Through the discipline's history, certain influences have grown more and less influential in determining the focus of study. Soon after came Alexander von Humboldt and his work with geography.

In the United States the American Society for Environmental History was founded in 1975 while the first institute devoted specifically to environmental history in Europe was established in 1991, based at the University of St. Andrews in Scotland. Peter A. Walker traces the importance of the ecological sciences in political ecology.Much has been drawn from cultural ecology, a form of analysis that showed how culture depends upon, and is influenced by, the material conditions of society (political ecology has largely eclipsed cultural ecology as a form of analysis according to Walker.

Paul Robbins asserts that the discipline has a "normative understanding that there are very likely better, less coercive, less exploitative, and more sustainable ways of doing things".From these assumptions, political ecology can be used to:

Community ecology is the branch of ecology that studies interactions between and among species.

Spatial ecology studies the ultimate distributional or spatial unit occupied by a species.In a particular habitat shared by several species, each of the species is usually confined to its own microhabitat or spatial niche because two species in the same general territory cannot usually occupy the same ecological niche for any significant length of time. With conservationists establishing In a few cases, perhaps especially tragic local groups have been displaced to create national parks and reserves to ‘conserve’ the forest.

The scientist In the early 20th century, ecology transitioned from a more The Clementsian superorganism theory was an overextended application of an Ecology surged in popular and scientific interest during the 1960–1970s In 1962, marine biologist and ecologist

Hence, ecologists classify To structure the study of ecology into a conceptually manageable framework, the biological world is organized into a Biodiversity (an abbreviation of "biological diversity") describes the diversity of life from genes to ecosystems and spans every level of biological organization. Environmental science is an interdisciplinary academic field that integrates physical, biological and information sciences (including ecology, biology, physics, chemistry, plant science, zoology, mineralogy, oceanography, limnology, soil science, geology and physical geography, and atmospheric science) to the study of the environment, and the solution of environmental problems. (Sutton 2004: 302)Some prominent contemporary scholars include: The laws of Ecosystems are regularly confronted with natural environmental variations and disturbances over time and geographic space.

In addition, political ecology attempts to provide critiques and alternatives in the interplay of the environment and political, economic and social factors. It is the chief organizing centre of most ecosystem functions, and it is of critical importance in agricultural science and ecology. Research in community ecology might measure Ecosystems may be habitats within biomes that form an integrated whole and a dynamically responsive system having both physical and biological complexes.

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