Results 51 to 60 of about 171,041 (242)
ABSTRACT Pastoralism worldwide faces a complex landscape of increased pressures and exclusion. Beyond ecological and economic challenges, pastoralists suffer eroding cultural identity, limited generational renewal, and political marginalization. Yet pastoral livelihoods are increasingly recognized as stewards of sustainable futures and amongst the best
Greta Semplici, Pablo Manzano
wiley +1 more source
Aboriginals of Latin America have used DMT (N,N-dimethyltryptamine) in ritualistic ceremonies for centuries. Nevertheless, there are limited data on web users’ interest concerning DMT.
Ahmed Al-Imam +4 more
doaj +1 more source
Abstract Climate change, expanding human ignitions, and increased fuels from fire exclusion are driving increases in area burned and fire severity in dry conifer forests of the western United States. Increasing area burned is occurring against the backdrop of a large fire deficit caused by over a century of fire exclusion.
C. A. Farris +7 more
wiley +1 more source
Covering hay in the irrigated Sonoran Desert decreases heat damage
Hay stored for prolonged periods of time decreases in value for feeding livestock. The irrigated Sonoran Desert of southeastern California and western Arizona is the hottest inhabited part of the United States, with summer temperatures routinely ...
J Guerrero, M Lopez, M Cervantes
doaj +2 more sources
The Hohokam People Project: Learning Through Windows and Mirrors in a Cross-Cultural Study
The Hohokam People Project began when students in the playground began digging waterways for fun, which became a learning opportunity about the Hohokam people.
Meghann Kjolsrud
doaj
The southwest Kalahari dune field has resident fine grains which may be emitted as mineral dust after protective vegetation is removed by fire. However, low wind speeds, high initial surface cover, and the protective effect of biocrusts result in the low possibility of the southwest Kalahari emitting dust post‐fire.
Rosemary A. Huck +2 more
wiley +1 more source
Beating the heat: ecology of desert bobcats
Background Relative to temperate regions, little is known about bobcats (Lynx rufus) in the Sonoran Desert portion of their range, in part due to the difficulty of sampling an elusive carnivore in harsh desert environments.
John Draper +2 more
doaj +1 more source
Using the most complete summary of 20 years of riparian plant water use studies in North American drylands to date, we examine broad patterns of plant water use by vegetation type and across climate gradients. Marshes, cottonwood‐willow stands and tamarisk use larger amounts of water than other communities, and all communities have higher water use in ...
Emily C. Palmquist +5 more
wiley +1 more source
The formation of the western North American drylands has led to the evolution of an astounding diversity of species well adapted for such communities.
Lucas C. Majure +4 more
doaj +1 more source
Characteristics of Sonoran Desert Microbursts
Abstract During the 2008 North American monsoon season, 140 microburst events were identified in Phoenix, Arizona, and the surrounding Sonoran Desert. The Sonoran microbursts were studied and examined for their frequency and characteristics, as observed from data collected from three Doppler radars and electrical power infrastructure ...
Katherine M. Willingham +3 more
openaire +1 more source

