Results 11 to 20 of about 1,786 (174)

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

Quantifying development to inform management of Mojave and Sonoran desert tortoise habitat in the American southwest

Endangered Species Research, 2020
Two tortoise species native to the American southwest have experienced significant habitat loss from development and are vulnerable to ongoing threats associated with continued development.
Carter, SK, Nussear, KE, Esque, TC, Leinwand, IIF, Masters, E, Inman, RD, Carr, NB, Allison, LJ   +7 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

Browsers or Grazers? New Insights into Feral Burro Diet Using a Non-Invasive Sampling and Plant DNA Metabarcoding Approach

Animals, 2023
Ungulates play a large role in shaping ecosystems and communities by influencing plant composition, structure, and productivity. We investigated the summer diets of feral burros in two ecosystems in which they are found in the United States: a ...
Saeideh Esmaeili, Sarah R. B. King, Kathryn A. Schoenecker   +2 more
doaj   +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

Three distinctive Preussia ( Sporormiaceae ) from photosynthetic stems of Ephedra trifurca ( Ephedraceae , Gnetophyta ) in southeastern Arizona, USA

Plant and Fungal Systematics, 2022
A survey of the diversity and community composition of culturable endophytic fungi associated with photosynthetic stems of the gnetophyte Ephedra trifurca ( Ephedraceae ) in southeastern Arizona, USA, yielded numerous isolates that are consistent ...
Dustin C. Sandberg, Mariana Del Olmo-Ruiz, Brooke E. Sykes, David Ozro Woods, A. Elizabeth Arnold   +4 more
doaj   +1 more source

REPRODUCTIVE ISOLATION IN SONORAN DESERT DROSOPHILA [PDF]

Evolution, 1983
Uploaded by Plazi for TaxoDros. We do not have abstracts.
Therese A, Markow, James C, Fogleman, William B, Heed   +2 more
openaire   +3 more sources