ELEPHANT POPULATIONS FOR SEVERAL AFRICAN NATIONS IN 1979, 1989, AND 2007 Elephan
ID: 374793 • Letter: E
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ELEPHANT POPULATIONS FOR SEVERAL AFRICAN NATIONS IN 1979, 1989, AND 2007 Elephant population 1989 12,400 51,000 21,200 19,000 Country 2007 1979 12.400 20,000 16,200 63,000 15,000 10,800 377,700 13.400 65,000 54,800 24,300 134,000 316,300 150,000 30,000 2530 175,487 15,387 3334 6435 22,102 23,714 70,637 31,636 26,088 Botswana Cameroon Cen African Rep Chad 3100 ongo Dem Rep of Congo Gabon Kenya Mozambique Somalia Sudan 70,000 85,000 76,000 19,000 18,600 6000 4000 80,000 41,000 43,000 300 167,003 29,231 99,107 Tanzania Zambia Zimbabwe the elephant populations remain in danger due to poaching for meat and ivory, loss of habitat, and conflict with humans. Table 3.12 shows elephant populations for several African nations in 1979, 1989, and 2007 (Lemieux and Clarke, "The International Ban on Ivory Sales and Its Effects on Elephant Poaching in Africa," British Journal of Criminology, 49(4), 2009) The David Sheldrick Wildlife Trust was established in 1977 to honor the memory of naturalist David Leslie William Sheldrick, who founded Warden of Tsavo East National Park in Kenya and headed the Planning Unit of the Wildlife Conservation and Management Department in that country. Management of the Sheldrick Trust would like to know what these data indicate about elephant populations in various African countries since 1979 Managerial Report Use methods of descriptive statistics to summarize the data and comment on changes in elephant populations in African nations since 1979. At a minimum your report should include the following. l. The mean annual change in elephant population for each country in the 10 years from 1979 to 1989, and a discussion of which countries saw the largest changes 2. The mean annual change in elephant population for each country from 1989 t 3. A comparison of your results from parts 1 and 2, and a discussion of the conclu in elephant population over this 10-year period. 2007, and a discussion of which countries saw the largest changes in elephant population over this 18-year period. sions you can draw from this comparisonExplanation / Answer
Ans 1 Ans 2 Country 1979 1989 Mean annual change 2007 Mean annual change Angola 12400 12400 0 2530 -352.5 Botswana 20000 51000 3100 175487 5553.107 Cameroon 16200 21200 500 15387 -29.0357 Cen African 63000 19000 -4400 3334 -2130.93 Chad 15000 3100 -1190 6435 -305.893 Congo 10800 70000 5920 22102 403.6429 Dem Rep of Congo 377700 85000 -29270 23714 -12642.4 Gabon 13400 76000 6260 70637 2044.179 Kenya 65000 19000 -4600 31636 -1191.57 Mozambique 54800 18600 -3620 26088 -1025.43 Somalia 24300 6000 -1830 70 -865.357 Sudan 134000 4000 -13000 300 -4775 Tanzania 316300 80000 -23630 167003 -5332.04 Zambia 150000 41000 -10900 29231 -4313.18 Zimbabwe 30000 43000 1300 99107 2468.107 1 Largest change is in Dem rep of Congo, followed by Tanzania, followed by sudan 2 Largest change is in Dem rep of Congo, followed by Botswana, followed by Tanzania 3 So two of the three highest mean change countries remain the same, those are Dem Rep of Congo and Tanzania.
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