This dataset contains the digitized treatments in Plazi based on the original journal article GERARDO CEBALLOS, PATRICIA MANZANO, FRANCISCA M. MÉNDEZ-HARCLERODE, MICHELLE L. HAYNIE, DAVID H. WALKER, ROBERT D. BRADLEY (2010): GEOGRAPHIC DISTRIBUTION, GENETIC DIVERSITY, AND CONSERVATION STATUS OF THE SOUTHERN FLYING SQUIRREL (GLAUCOMYS VOLANS) IN MÉXICO. Occasional Papers of the Museum 299: 1-18, DOI: 10.5281/zenodo.15778111
ABSTRACT
Ecological surveys were conducted in central México to assess parameters associated with the distribution, habitat preference, and nesting sites of the southern flying squirrel (Glaucomys volans). These surveys indicated that deforestation and harvesting of mature oak trees has depopulated flying squirrels from a large portion of their historic range. DNA sequences obtained from the mitochondrial control region were used to evaluate genetic divergence among four populations in central and southern México. Levels of intrapopulation genetic variation were greatest in the Chapa de Mota, México population (average genetic distance = 2.8%), whereas interpopulational comparisons showed the Chapa de Mota, México population to be the most different from the Floresta, Chiapas population (average genetic distance = 4.1%). Results indicate that substantial genetic variation exists between populations in southern México and suggests either a historical bottleneck associated with the Isthmus of Tehuantepec in Chiapas or more widespread gene flow across central México influenced by the Sierra Madre Oriental and Trans-Mexican Volcanic Zone. Conservation efforts are needed, especially in southern México, to preserve populations of southern flying squirrels threatened by habitat loss.
Key words: conservation, flying squirrels, genetic diversity, Glaucomys volans, México
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