Results 11 to 20 of about 981,881 (296)
Varying genetic imprints of road networks and human density in North American mammal populations
Evolutionary Applications, 2021 Road networks and human density are major factors contributing to habitat fragmentation and loss, isolation of wildlife populations, and reduced genetic diversity.
Andrew K. Habrich +2 more
doaj +1 more source
Heliyon, 2023 The objective of the study is to examine the moderating role of population density in the relation between road transportation and environment sustainability of South Asian countries from 1990 to 2014.
Ashraf Ud Din +5 more
doaj +1 more source
Cities, traffic, and CO2: A multidecadal assessment of trends, drivers, and scaling relationships [PDF]
, 2015 Emissions of CO2 from road vehicles were 1.57 billion metric tons in 2012, accounting for 28% of US fossil fuel CO2 emissions, but the spatial distributions of these emissions are highly uncertain.
Gately, Conor K. +2 more
core +1 more source
Road Side Unit Deployment: A Density-Based Approach [PDF]
IEEE Intelligent Transportation Systems Magazine, 2013 This work was partially supported by the Ministerio de Educacion y Ciencia, Spain, under Grant TIN2011-27543-C03-01, as well as by the Fundacion Universitaria Antonio Gargallo (FUAG), and the Caja de Ahorros de la Inmaculada (CAI).
Barrachina, Javier +6 more
openaire +3 more sources
Major roads have a negative impact on the Tawny Owl Strix aluco and the Little Owl Athene noctua populations [PDF]
, 2012 The increasing road networks threaten ecosystems by direct effects such as increased mortality due to collision with vehicles and by various indirect effects leading to road avoidance.
Godinho, Sérgio +9 more
core +2 more sources
Cybergeo, 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
Evaluation and analysis of noise levels in Ilorin metropolis, Nigeria [PDF]
, 2010 Evaluation and analysis of noise pollution levels have been carried out to determine the level of noise and its sources in Ilorin metropolis. Noise measurements have been done in the morning, at noon, in the evening, and at night to determine noise ...
Oyedepo, Sunday Olayinka
core +1 more source
ISPRS 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
A specified procedure for distress identification and assessment for urban road surfaces based on PCI [PDF]
, 2017 In this paper, a simplified procedure for the assessment of pavement structural integrity and the level of service for urban road surfaces is presented.
Loprencipe, Giuseppe +1 more
core +2 more sources
Journal of Forest Science, 2018 The objective of this study was to investigate the influence of the development of road quality (surfacing condition and road type) and road quantity (road density and distance to main road) on forest extent changes in a region in Zagros forests of Iran ...
Ayoob REZAEE MOTLAQ +3 more
doaj +1 more source