Results 11 to 20 of about 171,041 (242)

Animal Scavenging and Scattering and the Implications for Documenting the Deaths of Undocumented Border Crossers in the Sonoran Desert , [PDF]

Journal of Forensic Sciences, 2015
Since 1998, over 5500 people have died while attempting to cross the U.S.–Mexico border without authorization. These deaths have primarily occured in the Arizona desert.
Jess Beck, Ian Ostericher, Gregory Sollish, J. De León   +3 more
semanticscholar   +2 more sources

Virus Discovery in Desert Tortoise Fecal Samples: Novel Circular Single-Stranded DNA Viruses

Viruses, 2020
The Sonoran Desert tortoise Gopherus morafkai is adapted to the desert, and plays an important ecological role in this environment. There is limited information on the viral diversity associated with tortoises (family Testudinidae), and to date no DNA ...
Joseph P. Orton, Matheo Morales, Rafaela S. Fontenele, Kara Schmidlin, Simona Kraberger, Daniel J. Leavitt, Timothy H. Webster, Melissa A. Wilson, Kenro Kusumi, Greer A. Dolby, Arvind Varsani   +10 more
doaj   +1 more source

Biocrusts do not differentially influence emergence and early establishment of native and non‐native grasses

Ecosphere, 2021
Biological soil crusts (biocrusts) cover the soil surface of global drylands and interact with vascular plants. Biocrusts may influence the availability and nature of safe sites for plant recruitment and the susceptibility of an area to invasion by non ...
Cheryl McIntyre, Steven R. Archer, Katharine I. Predick, Jayne Belnap   +3 more
doaj   +1 more source

In memoriam Dr. Philip C. Rosen (1955-2020)

Revista Mexicana de Biodiversidad, 2021
Philip Clark Rosen was born in New York City, USA, on February 25, 1955. “Phil” as he was known by many who knew him best, was a leading herpetologist and ecologist in the Sonoran desert region.
Rafael Alejandro Lara-Resendiz
doaj   +1 more source

Marine subsidies produce cactus forests on desert islands

Scientific Reports, 2022
In island systems, nitrogen-rich seabird guano is a marine subsidy that can shape terrestrial plant communities. In zones of nutrient upwelling such as the Gulf of California, copious seabird guano is commonplace on bird islands.
Benjamin T. Wilder, Amanda T. Becker, David L. Dettman   +2 more
doaj   +1 more source

Mycoplasma agassizii, an opportunistic pathogen of tortoises, shows very little genetic variation across the Mojave and Sonoran Deserts.

PLoS ONE, 2021
Mycoplasma agassizii is a common cause of upper respiratory tract disease in Mojave desert tortoises (Gopherus agassizii). So far, only two strains of this bacterium have been sequenced, and very little is known about its patterns of genetic diversity ...
Agusto Luzuriaga-Neira, Franziska C Sandmeier, Chava L Weitzman, C Richard Tracy, Shalyn N Bauschlicher, Richard L Tillett, David Alvarez-Ponce   +6 more
doaj   +1 more source

A Multivariate Study of Morphological Characters for Echinocactus horizonthalonius and E. texensis (Cactaceae) and Description of a New Subspecies, E. horizonthalonius subsp. australis

Diversity, 2022
A study was conducted to ascertain the taxonomic validity of the endangered taxon Echinocactus horizonthalonius var. nicholii and whether there may be other groups of populations worthy of subspecies status within the range of the species.
Marc A. Baker
doaj   +1 more source

First record of Band-tailed Pigeon, Patagioenas fasciata (Columbiformes: Columbidae) in the Sonoran Desert of Baja California [PDF]

Check List, 2016
We report the presence of the Band-tailed Pigeon, which was not previously recorded in the Sonoran Desert in Baja California. The site was 140 km south of the nearest forest.
Jonathan Escobar-Flores, Mariana Delgado-Férnandez, Oscar Delgado-González   +2 more
doaj   +3 more sources

Terrestrial exposure of a fresh Martian meteorite causes rapid changes in hydrogen isotopes and water concentrations [PDF]

, 2018
Determining the hydrogen isotopic compositions and H2O contents of meteorites and their components is important for addressing key cosmochemical questions about the abundance and source(s) of water in planetary bodies.
A Al-Kathiri, A Stephant, AE Saal, AR Sarafian, C Aubaud, C Engrand, CMO’D Alexander, DR Bell, E Hauri, E Pendall, G Boato, HC Aoudjehane, IP Baziotis, JJ Barnes, JL Gooding, JP Greenwood, LA Leshin, LAJ Garvie, LJ Hallis, LJ Hallis, LJ Hallis, LJ Hallis, LL Watson, MR Lee, N Sugiura, NZ Boctor, P Mane, R Tartèse, RD Ash, T Usui, ZD Sharp   +30 more
core   +1 more source

Long-term dust climatology in the western United States reconstructed from routine aerosol ground monitoring [PDF]

Atmospheric Chemistry and Physics, 2012
This study introduces an observation-based dust identification approach and applies it to reconstruct long-term dust climatology in the western United States.
D. Q. Tong, M. Dan, T. Wang, P. Lee
doaj   +1 more source