Maharashtra State BoardSSC (English Medium) 9th Standard
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Now We Will Prepare a Map Using Dot Method. Carry Out the Following Activity. See the Map of Nandurbar Given in Fig. Carefully. - Geography and Economics

Answer in Brief

Now we will prepare a map using dot method. Carry out the following activity.

  • See the map of Nandurbar given in fig. carefully. Draw it on another paper or tracing paper along with its taluka and district boundaries.
  •  Now see the population table given along the map. On the basis of the statistical data, decide the value of the dots considering the highest and the lowest values of population. For example,
    1 dot = 10000 people, so that you can decide how many dots to be given to each sub-administrative unit.
  •  To draw dots of the uniform size, take a ball pen refill. Close the back end of the refill with cotton. Press this end on a stamp-pad and draw the imprints of the dots wherever required.
  •  While placing the dots, consider the physiography, water sources, roads, rails, taluka and district headquarters as shown in the map in fig 
  •  Compare your dot map with other students and arrange a discussion in the class

S.No. Talukas Rural Population
1. Akkalkuwa 2,15,974
2. Akrani 1,89,661
3. Taloda 1,33,291
4. Shahada 3,46,352
5. Nandurbar 2,56,409
6. Nawapur 2,31,134
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To determine the value of a single dot in the above exercise, the highest rural population and lowest rural population of District Nandurbar for 2011 is taken into account. The following shows the calculation of a single dot value:

1 Single Dot = `("Highest rural population"-"Lowest rural population")/"Number of Talukas"`

1 Single Dot = `("346352-133291")/6`

1 Single Dot = 35510.17

1 Single Dot = 36000 rural population(approx.)

The Following table shows us how many dots should be given for each taluka. This is arrived at through the following Equation =

36000 rural population is represented by 1 dot

Therefore, “x” rural population is represented by `("X")/36000` dots

S.No. Talukas Rural Population
No of dots`("x")/3600` No of dots
1. Akkalkuwa 2,15,974 5.9 6
2. Akrani 1,89,661 5.26 5
3. Taloda 1,33,291 3.70 4
4. Shahada 3,46,352 9.62 10
5. Nandurbar 2,56,409 7.12 7
6. Nawapur 2,31,134 6.42 6

Map with Dots:


From the above dot map, it is clear that the district of Nandurbar has a well distributed rural population as per 2011 data. The lowest distribution is in Talode taluka given its small area. The largest distribution is in Shahade talukawhich has many riverine basins. Sparse distribution can also be observed in the Akrani and Akkalkuwa talukas which has the Satpuda mountain ranges going through them. Most of the rural population is in the talukas which have several river basins running through them like the Plain of the Tapi river.

Concept: Distributional Maps - Dot Method
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Balbharati Social Science Geography 9th Standard Maharashtra State Board
Chapter 1 Distributional Maps
Intext Questions | Q 1 | Page 5
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