Count of Fresh Gopher Tortoise Shells

A dataset containing the count of fresh gopher shells by area.

Gdat

Format

A data frame with 30 rows and 7 variables:

Site

name of site

year

years 2004, 2005, 2006

shells

count of shells

type

fresh water

Area

area of the site

density

estimated tortoise density

prev

Seroprevalence to Mycoplasma agassizii

Source

Ozgul, A., Oli, M. K., Bolker, B. M., & Perez-Heydrich, C. (2009). Upper respiratory tract disease, force of infection, and effects on survival of gopher tortoises. Ecological Applications, 19(3), 786–798

References

Fox, G. A., Negrete-Yankelevich, S., & Sosa, V. J. (Eds.). (2015). Ecological statistics: contemporary theory and application. Oxford University Press, USA.

Bolker, Ben (2018) GLMM Worked Examples https://bbolker.github.io/mixedmodels-misc/ecostats_chap.html