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Anthromes and The Anthropocene

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Anthrome Justification:

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Terms in this set (12)

Anthrome Justification:

1. Humans are not a temporary disturbance
2. Humans now shape ecological pattern and process across most of the terrestrial biosphere
3. Human systems are earth systems on par with the biosphere, atmosphere, hydrosphere and lithosphere

What are Anthromes?

The globally significant ecological patterns created by sustained interactions between human and ecosystems, including urban, village cropland, rangeland, and semi-natural anthromes.
or
Ecosystem processes are mostly a function of human populations and ecosystem interactions (land use)

Anthropogenic Biomes:

1. wildlands
2. semi-natural forested
3. rangelands
4. croplands
5. villages
6. urban and dense

Image: Anthropogenic Biomes:

lands without evidence of human population or land use
- 29 million km
- no people
- 19% global tree cover
- wild forest, sparse trees, barren

Seminatural Forested

Forest with people and agriculture
- 25 million km
-.04 billion ppl
- 45% global tree cover
- populated and remote

Grazing land, minimal crops and forest
- 40 million km
- .3 billion ppl
- 6% global tree cover
- residential, populated, remote

Image: Rangelands

Crops mixed with other land use
- 27 million km
- .9 billion people
- 25% global tree cover
- residential irrigated, residential rainfed mosaic, populated irrgated, remote

densely populated agricultural areas with rural population > 100 person km
- 8 million km
- 2.6 billion people
- 4% global tree cover
- rice, irrigated, cropped and pastoral, pastoral, rainfed, rainfed mosaic

Urban and Dense

Densely populated settlements
- 1.5 million km
- 2.6 billion people
- .7% global tree cover
- Urban and dense settlements

Anthromes compared to Biomes

- Anthromes are driven by human modification to and use landscapes
- biomes are driven by climatic factors' effect on landscape

a new epoch of human influence on the biosphere; the epoch of humanity
- when anthropocene started is still up for debate

"The Anthropocene is a Joke" by Peter Brannen

- most epochs are millions of years with error bars longer than the anthropocene
- persistence of human evidence unlikely on geological timescale
- should be called an "event" at best due to relatively short duration
- Anthropocentrism, i.e. inflated importance of human creations over geologic time