Results 91 to 100 of about 3,720 (265)

Internal Structure, Kinematics, and Prehistory of Frozen Debris Lobe‐A (FDL‐A), Brooks Range, Alaska

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT Frozen Debris Lobe‐A (FDL‐A)—one of hundreds of FDLs in the Brooks Range of northern Alaska—is a slow‐moving landslide in permafrost that has been the subject of research since 2008 due to its close proximity to the Dalton Highway. Here, we synthesize more than a decade's worth of climate and surface measurements of monitored FDLs, and the ...
Margaret M. Darrow   +2 more
wiley   +1 more source

Exploring eco‐evolutionary and temporal patterns of arbuscular mycorrhizal fungal communities colonizing Sorghum bicolor across sites of contrasting land use history and climate

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Sorghum bicolor is a globally important cereal crop with annual yields exceeding 50 million tons across more than 100 countries and can be grown on marginal lands where conventional agriculture is limited. We examined how eight genetically diverse sorghum genotypes shaped arbuscular mycorrhizal fungal (AMF) community assembly across two contrasting ...
Philip Brailey‐Crane   +8 more
wiley   +1 more source

Interactive effects of microplastics and arbuscular mycorrhizal fungi on grassland communities

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Grassland plant communities contribute significantly to global biodiversity but face numerous man‐made pressures which may interfere with their ecological functions. One such pressure receiving increasing scientific, political, and public attention is microplastic pollution.
Benedikt Speißer   +2 more
wiley   +1 more source

Disrupted joint clock is associated with rhythmic expression of bone destruction factors in collagen‐induced arthritis

open access: yesRheumatology &Autoimmunity, EarlyView.
Schematic Summary of Circadian Dysregulation in Arthritic Joints. This graphical abstract illustrates the key circadian disruptions observed in the collagen‑induced arthritis (CIA) model. The diagram depicts three main findings: (1) Nocturnal elevations in pro‑inflammatory cytokines (TNF‑α, IL‑6, IL‑17, IL‑1β, MIF) and bone‑destructive factors (DKK‑1 ...
Xiaogang Zhang   +7 more
wiley   +1 more source

Spatiotemporal Monitoring of Large Woody Debris Mobility and Distribution Using Unmanned Aerial Vehicles Along the Oshirarika River, Northern Japan

open access: yesDrones
Large woody debris (LWD) in river systems serves beneficial ecological functions and poses potential hazards during flood events. Managing LWD requires a balanced understanding of its dynamics. This study employed unmanned aerial vehicles (UAVs) for high-
Yasutaka Nakata   +2 more
doaj   +1 more source

From Flybys to Sample Return: A Review of Space Probes and Robotic Sampling Technologies for Small Bodies

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang   +3 more
wiley   +1 more source

Abundance and function of large woody debris in central Sierra Nevada streams /

open access: yes, 1996
In 1990 the Stanislaus National Forest surveyed 17 streams to determine the distribution and abundance of large woody debris (LWD). A total of 93 100 m plots were inventoried in mixed conifer and red fir/lodgepole pine forests between 1109 and 2316 m elevation.
Robert. Ruediger, Jerry. Ward
openaire   +2 more sources

River‐Scale Evaluation of a Floating LED Light Array for Behavioral Guidance of American Eel

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Exploiting the sensory physiology of migratory fishes to guide them away from hazards like hydroelectric turbines is of interest to regulatory agencies and hydropower operators to achieve conservation and management goals. Here we describe a river‐scale experiment where out‐migrating adult American eel (Anguilla rostrata) were tracked ...
Chris K. Elvidge   +13 more
wiley   +1 more source

Development and Improvement of Habitat Suitability Criteria for Instream Habitat Assessments Conducted in Support of Environmental Flows in Florida

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Florida's regulatory framework requires the establishment of minimum flows to protect aquatic ecosystems and water resources from significant harm. One of the primary methods used to evaluate significant harm is assessment of instream habitat, which relies on Habitat Suitability Criteria (HSC) curves that relate flow regimes and habitat ...
Eric J. Nagid, Kym Rouse Holzwart
wiley   +1 more source

Fundamental Hydraulic Geometry Relations as an Accessible Tool for Identifying Channel Instability Over National Scales

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT The geometry of alluvial river channels can give insight into their stability, which can inform predictions of morphological change, flood risk and ecological degradation. Fundamental hydraulic geometry relations can be used to estimate the equilibrium dimensions of stable river channels by evaluating the balance between the erodibility of bed
David Whitfield   +3 more
wiley   +1 more source

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