serengeti wildebeest: density-dependent population growth
DESCRIPTION
Serengeti Wildebeest: Density-dependent population growth. Rainfall (mm). Month. RPV. Rinderpest Virus. 1889 – Italian army makes a big mistake. 1897 – 5 million cattle and 30 million wild ungulates have died. Large cattle population. RPV is a morbilivirus that only affects ruminants. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/1.jpg)
Serengeti Wildebeest: Density-dependent population growth
![Page 2: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/2.jpg)
MonthRa
infa
ll (m
m)
![Page 3: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/3.jpg)
![Page 4: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/4.jpg)
Dry season vegetation type = long grass & open woodland
![Page 5: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/5.jpg)
Wet season vegetation type = short grass plains (productivity, nutrients)
![Page 6: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/6.jpg)
Synchronized birth pulse, precocial offspring
![Page 7: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/7.jpg)
RPV
![Page 8: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/8.jpg)
1889 – Italian army makes a big mistake
1897 – 5 million cattle and 30 million wild ungulates have died
Rinderpest Virus
![Page 9: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/9.jpg)
Large cattle population
![Page 10: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/10.jpg)
RPV is a morbilivirus that only affects ruminants
![Page 11: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/11.jpg)
![Page 12: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/12.jpg)
Overall population growth rate, differentiated form
Population size, integrated form
![Page 13: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/13.jpg)
Carrying CapacityK = 1.2M
![Page 14: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/14.jpg)
K = fn(Rain)
Fit to data so thatmean K = 1.2M
![Page 15: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/15.jpg)
![Page 16: Serengeti Wildebeest: Density-dependent population growth](https://reader035.vdocuments.site/reader035/viewer/2022062520/5681627b550346895dd2eb2d/html5/thumbnails/16.jpg)
Verhulst-Pearl Model- Logistic population growth
- Density dependent population growth
- Intraspecific competition for resources
1. Examine some details of P-V model of DD growth.
2. Comparison to OTHER models of DD growth
1838 Model
1926Application to human population data