Isolation by elevation: mitochondrial divergence among sky island populations of Sacramento Mountain salamander (Aneides hardii)

Osborne, Megan J.; Cordova, Samantha J.; Cameron, Alexander C.; Turner, Thomas F.

doi:10.1007/s10592-019-01155-7

Cited by 7 publications

(7 citation statements)

References 64 publications

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“…General and specific pressures act in synergy where the individual effect of each of the different stressors cannot be clearly identified. In Baja California Sur, Sierra La Laguna has an unique condition worldwide for being part of a sky island -an isolated area hosting different types of ecosystems along an elevational gradient (Osborne et al 2019). It faces little anthropic disturbance: it has no access roads to the middle and upper parts, it is located in an area with very low human population density, there are no productive activities associated with the mountain range, and any human activities carried out in the area are minimal and low-impact.…”

Section: Introductionmentioning

confidence: 99%

Extinction of endemic taxa as a direct consequence of global climate change

Monroy-Gamboa

Cab-Sulub

Álvarez-Castañeda

2022

Therya

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Global climate change occurs from both natural and anthropic causes. Anthropic climate change has effects at various scales and occurs faster than the adaptation of species to these changes. Protected natural areas have been created to preserve species from the different threats facing them. Sierra La Laguna is a sky island with almost no anthropic pressure given its natural isolation; it is home to several endemic taxa, including Peromyscus truei lagunae and Sorex ornatus lagunae. This study aims to assess the possible impact of climate change on species endemic to a sky island exposed to virtually no local anthropic pressure. The Sierra La Laguna sky island, located in the southern region of the Baja California peninsula, harbors different vegetation types, including an oak-pine forest at the highest elevations and xeric vegetation at lower ones. Ecological niche models were developed under three climate change scenarios contemplating temperature rises of 1.5 °C and 4.4 °C. There are insufficient localities to make statistically robust models for mammalian species. Therefore, we used plant species typical of the oak-pine forest (Pinus cembroides lagunae, Quercus brandegeei, and Q. devia) and the rodents Peromyscus eva, that thrives in dry deciduous forests, and Chaetodipus rudinoris and C. spinatus, associated with xeric ecosystems. The models show that ecological suitability for the oak species decreases, while it is completely lost for the pine species. On the other hand, P. eva broadens its elevational range, while C. rudinoris and C. spinatus increase their ecological suitability in both area and elevation. The Sierra La Laguna sky island is an area with virtually no regional or local anthropic pressure. Nonetheless, the projections conducted under various climate change scenarios show a loss of up to 100 % of the area of climatic and elevational suitability for species characteristic of the oak-pine forest even with the minimum temperature rise of 1.5 °C. These results suggest that, under these conditions, endemic species such as P. t. lagunae and S. o. lagunae will become extinguished despite the absence of local anthropic pressures.

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Section: Introductionmentioning

confidence: 99%

Extinction of endemic taxa as a direct consequence of global climate change

Monroy-Gamboa

Cab-Sulub

Álvarez-Castañeda

2022

Therya

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“…1, 2 in Azpeleta Taranc on et al 2020) provides environmental conditions suitable for diverse ecosystems, high levels of habitat, and an extraordinary amount of species endemism. The Sacramento Mountains in south-central New Mexico are home to many endangered and endemic species such as the endemic Sacramento Mountain salamander (Osborne et al 2019), the endemic Sacramento prickly poppy (Cervantes et al 2010), which has been listed as an endangered species since 1989, and to the threatened Mexican spotted owl (Ganey et al 2014) among others. Therefore, these Sky Islands are identified as global biodiversity hotspots for conservation management (Myers et al 2000).…”

Section: Introductionmentioning

confidence: 99%

“…The Sacramento Mountains in south‐central New Mexico are home to many endangered and endemic species such as the endemic Sacramento Mountain salamander (Osborne et al. 2019), the endemic Sacramento prickly poppy (Cervantes et al. 2010), which has been listed as an endangered species since 1989, and to the threatened Mexican spotted owl (Ganey et al.…”

Section: Introductionmentioning

confidence: 99%

Trends of forest and ecosystem services changes in the Mescalero Apache Tribal Lands

Tarancón

Meador

Padilla

et al. 2021

Ecological Applications

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Forests are critically important for the provision of ecosystem services. The Sacramento Mountains of New Mexico, USA, are a hotspot for conservation management and the Mescalero Apache Tribe's homeland. The multiple ecosystem services and functions and its high vulnerability to changes in climate conditions make their forests of ecological, cultural, and social importance. We used data from the Mescalero Apache Tribal Lands (MATL) Continuous Forest Inventory over 30 yr to analyze changes in the structure and composition of ecosystems as well as trends in ecosystem services. Many provisioning, regulating, cultural, and supporting services were shared among the MATL ecosystems and were tied to foundational species dominance, which could serve as a reliable indicator of ecosystem functioning. Our analysis indicates that the MATL are in an ongoing transition from conifer forests to woodlands with declines in two foundation species, quaking aspen and ponderosa pine, linked to past forest management and changing climate. In addition, we detected a decrease in species richness and tree size variability, amplifying the risk of forest loss in a rapid climatic change. Continuous permanent plots located on a dense grid (1 × 1 km) such as the ones monitored by the Bureau of Indian Affairs are the most detailed data available to estimate forests multiresource transitions over time. Native lands across the USA could serve as the leading edge of detecting decadal‐scale forest changes and tracking climate impacts.

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“…As such, mitochondrial genome studies have shed light on an array of ecological and evolutionary aspects of vertebrate life. Moreover, the mitochondrial genome is a valuable resource in conservation genetic research as it can be utilized for understanding changes in population dynamics and evolutionary history (Taguchi et al 2015;Osborne et al 2019) and in environmental DNA (eDNA) applications (e.g. Bronnenhuber and Wilson 2013;Dysthe et al 2016).…”

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confidence: 99%

“… 2015 ; Osborne et al. 2019 ) and in environmental DNA (eDNA) applications (e.g. Bronnenhuber and Wilson 2013 ; Dysthe et al.…”

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confidence: 99%

The complete mitochondrial genomes of three imperiled cyprinid fishes Bonytail (Gila elegans), Rio Grande Silvery Minnow (Hybognathus amarus) and Loach Minnow (Tiaroga cobitis)

Osborne

Cameron

Fitzgerald

et al. 2020

Mitochondrial DNA Part B

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Gila elegans, Hybognathus amarus, and Tiaroga cobitis (Family Cyprinidae, Order Cypriniformes) are endemic and endangered fishes in the southwestern United States. We present complete mitochondrial genomes for each species. Each mitochondrion consisted of 13 protein-coding genes, 2 ribosomal (rRNA) genes, 22 transfer RNA (tRNA) genes, and a single control region (D-loop), and gene order was consistent with other cyprinid fishes. Total genome lengths were 16,593 base pairs (bp) for G. elegans, 16,705 bp for H. amarus, and 16,802 for T. cobitis. The GC content in G. elegans and H. amarus was 44%, but higher in T. cobitis at 48%. Phylogenetic trees were generated to confirm relationships inferred via novel mitogenomes, and best-supported trees were consistent with previous research.

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Isolation by elevation: mitochondrial divergence among sky island populations of Sacramento Mountain salamander (Aneides hardii)

Cited by 7 publications

References 64 publications

Extinction of endemic taxa as a direct consequence of global climate change

Extinction of endemic taxa as a direct consequence of global climate change

Trends of forest and ecosystem services changes in the Mescalero Apache Tribal Lands

The complete mitochondrial genomes of three imperiled cyprinid fishes Bonytail (Gila elegans), Rio Grande Silvery Minnow (Hybognathus amarus) and Loach Minnow (Tiaroga cobitis)

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