Results 11 to 20 of about 550,721 (306)

The dark side of facilitation: native shrubs facilitate exotic annuals more strongly than native annuals [PDF]

open access: yesNeoBiota, 2019
Positive interactions enhance biodiversity and ecosystem function, but can also exacerbate biological invasions. Facilitation of exotic invaders by exotic foundation species (invasional meltdown) has been studied extensively, but facilitation of exotic ...
Jacob E. Lucero   +5 more
doaj   +3 more sources

Profile distribution of soil organic carbon fractions under different landforms in the Meghalaya plateau of India

open access: yesEnvironment Conservation Journal, 2021
Assessment of organic carbon fractions in soil provides the basis to ascertain vulnerability of an ecosystem to climate change. In the present study, we assessed SOC fractions in four pedons under contrasting landforms i.e., denudational low hill, upper ...
K. K. Mourya   +6 more
doaj   +1 more source

Mapping human perception of urban landscape from street-view images: A deep-learning approach

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2022
Human perception of urban landscape, which signifies to what extent urban landscape is appreciated by local dwellers, informs human-oriented policies that reinforce public participation.
Jingxian Wei   +3 more
doaj   +1 more source

Habitat heterogeneity affects the thermal ecology of an endangered lizard

open access: yesEcology and Evolution, 2021
Global climate change is already contributing to the extirpation of numerous species worldwide, and sensitive species will continue to face challenges associated with rising temperatures throughout this century and beyond.
Nicole Gaudenti   +4 more
doaj   +1 more source

Testing systems of avian perch deterrents on electric power distribution poles in sage-brush habitat

open access: yesHuman-Wildlife Interactions, 2017
In Lincoln County, Washington, USA, greater sage-grouse (Centrocercus urophasianus) and Columbian sharp-tailed grouse (Tympanuchus phasianellus columbianus) are managed as reintroduced and augmented populations, respectively.
James F. Dwyer, Kerrin W. Doloughan
doaj   +1 more source

Long-term bat abundance in sagebrush steppe

open access: yesScientific Reports, 2018
Bats of western North America face many threats, but little is known about current population changes in these mammals. We compiled 283 surveys from 49 hibernacula over 32 years to investigate population changes of Townsend’s big-eared bats (Corynorhinus
Jericho C. Whiting   +6 more
doaj   +1 more source

Gateways to the underworld: molecular phylogenetic analyses identify patterns of groundwater fauna and two new species of hypogean Hyalella Smith, 1874 (Amphipoda, Hyalellidae) from the northern Mojave Desert [PDF]

open access: yesSubterranean Biology
In North America, the genus Hyalella (Crustacea: Amphipoda) is primarily epigean, with only two described species found in groundwater. In contrast, Stygobromus is an amphipod genus occupying subterranean habitats throughout most of the Nearctic.
Andrew G. Cannizzaro   +2 more
doaj   +3 more sources

Seeds of Success: A conservation and restoration investment in the future of U.S. lands

open access: yesConservation Science and Practice, 2020
Seeds of Success (SOS) is a national seed collection program led by the Bureau of Land Management. SOS represents the most comprehensive native seed repository in the United States, supporting native plant restoration, management, and research.
Sarah C. Barga   +4 more
doaj   +1 more source

Paleonutrition

open access: yesEthnobiology Letters, 2011
Review of Paleonutrition. Mark Q. Sutton, Kristin D. Sobolik, and Jill Gardner. 2010. University of Arizona Press, Tucson. Pp. 384, black‐and-white illustrations. $75.00 (hardback). ISBN 9780816527946.
Bryan Hockett
doaj   +1 more source

A Helicopter Survey for Cliff-Nesting Raptors Along the Dalton Highway in Northern Alaska, 2010

open access: yesBirds
We conducted a helicopter survey in 2010 for cliff-nesting raptors along the Dalton Highway in northern Alaska. The study area extended from the Yukon River northward ~395 km through the Brooks Range to the Arctic Plain.
Erica H. Craig   +2 more
doaj   +1 more source

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