Tracking origin, home range, and mobility of Late Pleistocene fossil horses from west-central Mexico

Marín-Leyva, Alejandro Hiram; Schaaf, Peter; Solís‐Pichardo, Gabriela; Hernández-Treviño, Teodoro; García-Zepeda, María Luisa; Ponce-Saavedra, Javier; Arroyo-Cabrales, Joaquı́n; Alberdi, María Teresa

doi:10.1016/j.jsames.2020.102926

Cited by 6 publications

(2 citation statements)

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“…In temperate climates, the δ 18 O signature varies with precipitation type (i.e., snow vs. rain) and thus forms predicable seasonal variation in tissues such as teeth and bones [ 56 ]. Stable oxygen isotope techniques are used most extensively in multi-isotope studies investigating movements and the life histories of extant and extinct ungulates, e.g., [ 47 , 48 , 76 , 77 ], as well as to explore land use strategies in other modern mammals, e.g., [ 78 ]. Although some researchers have sought to use δ 18 O to study migratory bird movements [ 79 , 80 , 81 , 82 ], there is a relatively weak correlation between δ 18 O precip and δ 18 O feathers compared to δ 2 H [ 82 ].…”

Section: Intrinsic Markers In Studies Of Bat Migrationmentioning

confidence: 99%

“…The most common second isotope is δ 18 O or δ 2 H, e.g., [ 39 , 47 , 76 , 120 ], but δ 13 C [ 119 ], δ 15 N [ 133 ], and/or δ 34 S may be included. Using multiple isotopes, a number of studies have successfully differentiated between local and non-local mammals within a predetermined area of interest, e.g., [ 77 , 134 , 135 ]. Fewer studies have sought to identify origin or piece together pathways of migratory taxa, e.g., [ 39 , 47 , 117 , 136 ].…”

Section: Intrinsic Markers In Studies Of Bat Migrationmentioning

confidence: 99%

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The Use of Intrinsic Markers for Studying the Migratory Movements of Bats

Brewer

Rauch-Davis

Fraser

2021

Animals

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Mortality of migratory bat species at wind energy facilities is a well-documented phenomenon, and mitigation and management are partially constrained by the current limited knowledge of bat migratory movements. Analyses of biochemical signatures in bat tissues (“intrinsic markers”) can provide information about the migratory origins of individual bats. Many tissue samples for intrinsic marker analysis may be collected from living and dead bats, including carcasses collected at wind energy facilities. In this paper, we review the full suite of available intrinsic marker analysis techniques that may be used to study bat migration, with the goal of summarizing the current literature and highlighting knowledge gaps and opportunities. We discuss applications of the stable isotopes of hydrogen, oxygen, nitrogen, carbon, sulfur; radiogenic strontium isotopes; trace elements and contaminants; and the combination of these markers with each other and with other extrinsic markers. We further discuss the tissue types that may be analyzed for each and provide a synthesis of the generalized workflow required to link bats to origins using intrinsic markers. While stable hydrogen isotope techniques have clearly been the leading approach to infer migratory bat movement patterns across the landscape, here we emphasize a variety of lesser used intrinsic markers (i.e., strontium, trace elements, contaminants) that may address new study areas or answer novel research questions.

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