Results 21 to 30 of about 263,030 (253)

Exploring the Effects of Urban Built Environment on Road Travel Speed Variability with a Spatial Panel Data Model

open access: yesISPRS International Journal of Geo-Information, 2021
Road traffic congestion is a common problem in most large cities, and exploring the root causes is essential to alleviate traffic congestion. Travel behavior is closely related to the built environment, and affects road travel speed.
Guangyue Nian, Jian Sun, Jianyun Huang
doaj   +1 more source

Osteoporosis Knowledge, Self-Efficacy, and Beliefs among College Students in the USA and China

open access: yesJournal of Osteoporosis, 2011
This study investigated differences in osteoporosis knowledge, self-efficacy, and health beliefs among Chinese and American college students. Information obtained will be used in developing osteoporosis prevention programs for younger adults.
M. Allison Ford   +4 more
doaj   +1 more source

Snag distributions in relation to human access in ponderosa pine forests

open access: yesWildlife Society Bulletin, 2013
Ponderosa pine (Pinus ponderosa) forests in western North America provide habitat for numerous cavity‐using wildlife species that often select large‐diameter snags for nesting and roosting.
Jeff P. Hollenbeck   +3 more
doaj   +1 more source

Les vitesses dans l’aire urbaine dijonnaise : un modèle fondé sur la fonction logistique et la courbe de congestion routière débit-vitesse

open access: yesCybergeo, 2005
Despite having begun with a series of statement reports in the sixties, studies of urban sprawl today focus more on an understanding of the phenomenon and explanations of it (in particular, in its relation to transport).
Cyril Enault
doaj   +1 more source

Analisis Kepadatan Lapangan Menggunakan Metoda Sand Cone Di Jalan Perumahan Ekajaya Permata 1 Sicincin Kota Payakumbuh

open access: yesJurnal Bangunan, Konstruksi & Desain, 2023
Every housing complex must have adequate road access because roads are a means of public transportation used by the community to support daily activities. Road infrastructure makes transportation easier and allows people to carry out activities. The road
Hanifah Asnur   +3 more
doaj   +1 more source

Assessing the Impacts of Urbanization on Sex Ratios of Painted Turtles (Chrysemys picta)

open access: yesDiversity, 2019
Turtles are particularly susceptible to the negative impacts of urbanization due to low mobility and a life history strategy emphasizing long generation times and high adult survival.
John P. Vanek, Gary A. Glowacki
doaj   +1 more source

Simulasi Numerik Model Arus Lalu Lintas dengan Pengaruh Kepadatan Kendaraan dan Kondisi Jalan

open access: yesContemporary Mathematics and Applications (ConMathA), 2023
Traffic jams are common in developing countries. This is generally caused by traffic density, road conditions, and the driver's personality. This phenomenon can be simulated using a mathematical model, allowing it to be seen how these factors affect ...
Nashrul Millah
doaj   +1 more source

Hierarchical Segmentation Method for Generating Road Intersections from Crowdsourced Trajectory Data

open access: yesApplied Sciences, 2022
Maintaining the data freshness and completeness of road intersection information is the key task of urban road map production and updating. Compared to professional surveying methods, crowdsourced trajectory data provide a low-cost, wide-coverage and ...
Yunfei Zhang   +5 more
doaj   +1 more source

Roads and Roadless Areas in Cyprus: Implications For The Natura 2000 Network

open access: yesJournal of Landscape Ecology, 2014
The road network in Cyprus has seen an 88% increase in the last 20 years. This expansion has not been followed by any kind of assessment on the effects of the network on nature conservation.
Zomeni Maria, Vogiatzakis Ioannis. N.
doaj   +1 more source

Individual and synergistic effects of habitat loss and roads on reptile occupancy

open access: yesGlobal Ecology and Conservation, 2021
Habitat loss and road mortality pose severe threats to wildlife by reducing available resources, increasing mortality rates, and fragmenting remaining habitat into smaller patches.
James E. Paterson   +6 more
doaj   +1 more source

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