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Mkey [24]
2 years ago
6

What are the two counts on which shifting cultivation has been criticized?

Geography
2 answers:
ASHA 777 [7]2 years ago
7 0

Answer:

The primary disadvantage of shifting cultivation, also called slash and burn or swidden agriculture, is the destruction of large areas of land, primarily crop fields and tracts of forest. When performed improperly, slash and burn can make once-fertile lands unable to support the new growth of crops and plants. Slash and burn may cause environmental and economic consequences by reducing the growth potential for crops in certain areas, which limits the variety and quantity of agricultural goods farmers can produce.

Explanation:

dezoksy [38]2 years ago
4 0

Answer:

Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned while post-disturbance fallow vegetation is allowed to freely grow while the cultivator moves on to another plot. The period of cultivation is usually terminated when the soil shows signs of exhaustion or, more commonly, when the field is overrun by weeds. The length of time that a field is cultivated is usually shorter than the period over which the land is allowed to regenerate by lying fallow.

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Answer:

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Explanation:

Disadvantages of Choropleth Maps

Although choropleths give a good visual impression of change over space there are certain disadvantages to using them:

They give a false impression of abrupt change at the boundaries of shaded units.

Choropleths are often not suitable for showing total values. Proportional symbols overlays (included on the choropleth map above) are one solution to this problem.

It can be difficult to distinguish between different shades.

Variations within map units are hidden, and for this reason smaller units are better than large ones.

Isopleth maps

Isopleth maps differ from choropleth maps in that the data is not grouped to a pre-defined unit like a city district. These maps can take two forms:

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This type of map is ideal for showing gradual change over space and avoids the abrupt changes which boundary lines produce on choropleth maps. Temperature, for example, is a phenomenon that should be mapped using isoplething, since temperature exists at every point (is continuous), yet does not change abruptly at any point (like population density may do as you cross into another census zone). Relief maps should always be in isopleth form for this reason.

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