Results 151 to 160 of about 494,179 (298)
A mountain hiker climbing Half Dome at Yosemite National Park, ca.1930
Photographic portrait of a mountain hiker climbing Half Dome at Yosemite National Park, ca.1930. A man equipped with ropes and hiking gear is holding on to an extended rope diagonal to the image. He is standing on a steep slope, apparently on a mountain,
Pierce, C.C. (Charles C.), 1861-1946
core
UAV‐Based Precision Seed Dropping for Automated Reforestation
ABSTRACT Wildfires and deforestation pose significant threats to forest ecosystems, motivating scalable methods for reforestation beyond labor‐intensive cultivation of native forest seedlings in nurseries. To enable large‐scale direct seeding of native species, this paper presents the design, analysis, and field evaluation of a UAV‐based seed‐dropping ...
Qi Rui Lee +5 more
wiley +1 more source
Misclassifying climber adaptation: dorsal PIP synovial thickening in asymptomatic rock climbers meets ultrasound criteria for synovitis. [PDF]
Farley J +5 more
europepmc +1 more source
ABSTRACT Terminal basins provide unique aquatic environments that are often highly sensitive to streamflow contributions, making them a focal point for environmental water management. However, the water needs for terminal lake, wetland, and river ecosystems, and how they relate, remain a fundamental knowledge gap that constrains our ability to ...
Belize Lane +9 more
wiley +1 more source
Arboreality in Wild Western Lowland Gorillas (G. g. gorilla) at the Mondika Research Center, Republic of Congo. [PDF]
Salmi R +4 more
europepmc +1 more source
Autonomous fixed‐wing drones operating beyond visual line of sight of the pilot were used to conduct the first aerial, multi‐species baseline reference survey at the sub‐Antarctic island of South Georgia. Long‐term population monitoring in this remote, challenging environment has historically proved difficult, with terrestrial monitoring generally ...
N. Fenney +5 more
wiley +1 more source
Arboreal signals in the skeletal proportions of the Gorilla foot. [PDF]
Greiner EG +16 more
europepmc +1 more source
Photo showing an Alpine Mountain Club member climbing on a mountain (location unknown, maybe Pete\u27s Rock)
core
Heathland ecosystems are currently in a degraded state due to agricultural transformations and the effects of climate change. They are semi‐natural ecosystems hosting a variety of species (fauna and flora), and they also carry landscape and cultural importance, hence the need to pay careful attention to their conservation.
J. Boissonnat, F. Binet, T. Houet
wiley +1 more source
From injury events to rescue burden: accident patterns, health outcomes, and prevention in mountain outdoor physical activities-a scoping review. [PDF]
Tang H, Zereg F, Mo R.
europepmc +1 more source

