Results 61 to 70 of about 32,849 (188)

Spatial patterning of Wyoming big sagebrush indicates negative density dependence

Ecosphere, 2022
Plants reflect resource use in their spatial patterning. Competition for limited resources—such as available soil water in a dryland ecosystem—drives establishment, growth, and mortality, resulting in shifts of spatial arrangement over time.
Damaris A. Chenoweth, Ingrid C. Burke, William K. Lauenroth   +2 more
doaj   +1 more source

Moose indifferent to canopy loss from forest disturbance by bark beetles

The Journal of Wildlife Management, Volume 90, Issue 4, May 2026.
Moose showed strikingly similar patterns of habitat selection before and after widespread forest disturbance following an infestation of bark beetles. Our findings indicate that beetle‐kill does not appreciably alter habitat quality for moose and highlight the importance of riparian areas in sustaining moose as they contend with changing forests ...
Alexander B. May, Rebecca L. Levine, Lee Knox, Corey Class, Matthew J. Kauffman, Kevin L. Monteith   +5 more
wiley   +1 more source

Synthesis and Biological Evaluation of Desacetylmatricarin Derivatives Isolated from Basin Big Sagebrush

Separations
Desacetylmatricarin, a sesquiterpene lactone (SL), is the major component extracted from the aerial parts of basin big sagebrush (Artemisia tridentata subsp. tridentata).
N. Evelin Paucar, Shanae Van Leuven, Karl De Jesus, Srinath Pashikanti, Sameena Mateen, Samjhana Pradhan, Kavita Sharma   +6 more
doaj   +1 more source

Soil characteristics are associated with gradients of big sagebrush canopy structure after disturbance

Ecosphere, 2019
Reestablishing shrub canopy cover after disturbance in semi‐arid ecosystems, such as sagebrush steppe, is essential to provide wildlife habitat and restore ecosystem functioning.
David M. Barnard, Matthew J. Germino, Robert S. Arkle, John B. Bradford, Michael C. Duniway, David S. Pilliod, David A. Pyke, Robert K. Shriver, Justin L. Welty   +8 more
doaj   +1 more source

Biocrust and seed placement influence emergence rates of perennial grass Elymus elymoides across five North American deserts

Journal of Applied Ecology, Volume 63, Issue 5, May 2026.
This study underscores the importance of healthy and impaired biocrusts in dryland systems and suggests ways in which the combination of biocrust and seed placement can influence plant establishment, in addition to providing insight into seeding strategies for managers and restoration practitioners working in dryland sites.
Abby McMurtry, Pradip Saud, Ellie McCann, Sasha C. Reed, Armin Howell, Robin Reibold, Akasha M. Faist   +6 more
wiley   +1 more source

Space between houses influences movement and habitat selection of ungulates: Width as a novel metric of development

Journal of Applied Ecology, Volume 63, Issue 5, May 2026.
In rural areas, maintaining spaces between houses >500 m will likely facilitate ungulate movement. To fully conserve functional habitat, such as unimpeded habitat use along migration corridors, maintaining spaces approximately >2.5 km between houses will likely be necessary. Abstract Wildlife often lose access to habitat due to housing development. The
Benjamin S. Robb, Jessie Shapiro, Kurt Smith, Eric K. Cole, Alyson B. Courtemanch, Sarah R. Dewey, Matthew J. Kauffman, Arthur D. Middleton, Tony W. Mong, Jerod A. Merkle   +9 more
wiley   +1 more source

Seed source climate and precipitation timing determine dryland tree recruitment in hot and dry range margins

Journal of Ecology, Volume 114, Issue 5, May 2026.
Using a common garden study with experimental seasonal precipitation regimes, this study shows that intraspecific phenotypic variation mediates the effect of seasonal drought on Pinus monophylla recruitment, suggesting that different populations may respond uniquely to changes in climate.
Alexandra K. Urza, Peter J. Weisberg, Jeremy S. Adkins, David I. Board, Jeanne C. Chambers, Georgia L. Vasey   +5 more
wiley   +1 more source

Simulated big sagebrush regeneration supports predicted changes at the trailing and leading edges of distribution shifts

Ecosphere, 2015
Many semi‐arid plant communities in western North America are dominated by big sagebrush. These ecosystems are being reduced in extent and quality due to economic development, invasive species, and climate change.
Daniel R. Schlaepfer, Kyle A. Taylor, Victoria E. Pennington, Kellen N. Nelson, Trace E. Martyn, Caitlin M. Rottler, William K. Lauenroth, John B. Bradford   +7 more
doaj   +1 more source

Wildlife‐friendly fencing for bison: Assessing success for containment and conflict prevention

Ecological Solutions and Evidence, Volume 7, Issue 2, April–June 2026.
As land managers increasingly adopt wildlife‐friendly fencing to reduce habitat fragmentation, questions remain regarding their effectiveness in containing large species like plains bison (Bison bison). Our 822‐day study of a novel fencing system in Montana demonstrates high containment success, with only 31 escape events recorded.
Josiane Segar, Karley Hohn, Daniel Kinka, Scott Heidebrink, Kyran Kunkel, Nicholas A. McMillan   +5 more
wiley   +1 more source

Intercellular cavities in the rays of Dicotiledonous woods

Lilloa, 1938
An intercellular cavity within a radius differs from a radial gum canal because it is relatively short in length. Such cavities can be normal or traumatic.
Irma E. Webber
doaj