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- W1444629178 abstract "The black tailed prairie dog (Cynomys ludovicianus), is an endangered species. Within Mexico, C. ludovicianus is in two populations, the first northwest of Chihuahua, and the other in northeastern Sonora. The Sonoran population is represented by two colonies: La Mesa (92ha) and Las Palmitas (57ha). The aim of the study was to determine the population status of the colonies, through direct observation, through the strip transect methods, distance sampling and quadrants, complemented by a correction factor of observation. In the colony of La Mesa the monthly monitoring were conducted from november 2010 to october 2012 and in the case of the colony Las Palmitas, may 2011 to october 2012. In the colony of La Mesa, the density estimated correction factor included in the case of strip transect a density ranged from 0.0 to 1.99 ind / ha, with an average of 3.71 ind / ha. With distance sampling ranged from 0.0 to 8.35 ind / ha with an average of 0.64 ind / ha. Finally with density quadrants ranged from 0.00 to 1.78 ind / ha with an average of 0.83 ind / ha. In the colony Las Palmitas with strip transect ranged from 2.47 to 0.38 averaging 1.15 ind / ha. Finally with distance sampling ranged from 1.34 to 6.69 ind / ha with an average of 1.58 ind / ha. Comparing the methods in the case of colony La Mesa, the method presented less variation was the distance sampling. With this method the population size was estimated that in the case of colony La Mesa was approximately 711 individuals and 387 individuals in Las Palmitas. Also you can see a general trend in both colonies, the densities of 2011 are higher than those of 2012, in the case of colony La Mesa decreased by 66.02% compared to the density reported in 2011 and the Las Palmitas decreased by 11.8%. The trend in the decrease in density could be because in 2011 the precipitation was lower compared to 2010, decreasing by 46%, so that in 2012 was possibly reduced availability of food, which is reflected in a lower activity of C. ludovicianus. Also in the case of colony La Mesa underwent removal of individuals who could generate a restructuring in social interactions, which was reflected in lower observations. We conclude that it is important to continue with systematic monitoring to detect variations in the density of both colonies. It is necessary to carry out conservation strategies that favor the growth of their populations, thus creating a new colonys of C. ludovicianus promote these goals" @default.
- W1444629178 created "2016-06-24" @default.
- W1444629178 creator A5036478934 @default.
- W1444629178 date "2013-09-01" @default.
- W1444629178 modified "2023-09-24" @default.
- W1444629178 title "Estado poblacional de las colonias de Perrito de la Pradera (Cynomys ludovicianus) en Sonora, México" @default.
- W1444629178 hasPublicationYear "2013" @default.
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