Results 11 to 20 of about 167,893 (189)

Detail of Sonoran Desert

open access: yesEmerging Infectious Diseases, 2000
doaj   +2 more sources

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

open access: yesPLoS 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   +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

open access: yesDiversity, 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]

open access: yesCheck 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   +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

open access: yesAnimals, 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   +2 more
doaj   +1 more source

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

open access: yesAtmospheric 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

Phylogeography of the Cactophilic Drosophila and Other Arthropods Associated with Cactus Necroses in the Sonoran Desert

open access: yesInsects, 2011
Studies on the population genetics, phylogenetic relationships, systematics and evolution of arthropods that inhabit necrotic tissue of cacti in the Sonoran Desert of North America are reviewed. These studies have focused upon several species of insects (
Therese A. Markow, Edward Pfeiler
doaj   +1 more source

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

open access: yesPlant 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   +4 more
doaj   +1 more source

Sonoran Desert conservation plan [PDF]

open access: yes, 2001
Newsletter with information you should know about the Sonoran Desert Conservation Plan and Comprehensive Land Use ...

core   +2 more sources

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