Quantcast
Browsing all 156 articles
Browse latest View live

Global burden of HIV, viral hepatitis, and tuberculosis in prisoners and...

The prison setting presents not only challenges, but also opportunities, for the prevention and treatment of HIV, viral hepatitis, and tuberculosis. We did a comprehensive literature search of data

View Article


Effects of seasonal weather on breeding phenology and reproductive success of...

Animal populations occurring at high elevations are often assumed to be in peril of extinctions or local extirpations due to elevational-dispersal limitations and thermoregulatory constraints as habitats

View Article


The spatially varying influence of humans on fire probability in North America

Humans affect fire regimes by providing ignition sources in some cases, suppressing wildfires in others, and altering natural vegetation in ways that may either promote or limit fire. In North America,

View Article

Hydrologic effects of large southwestern USA wildfires significantly increase...

In recent years climate change and historic fire suppression have increased the frequency of large wildfires in the southwestern USA, motivating study of the hydrological consequences of these wildfires

View Article

Expand the frontiers of urban sustainability

Manhattan skyscrapers, rather than rustic rural towns, are quickly becoming the picture of sustainable living in the twenty-first century. San Francisco, Copenhagen and Singapore each top their regions

View Article


Postglacial viability and colonization in North America’s ice-free corridor

During the Last Glacial Maximum, continental ice sheets isolated Beringia (northeast Siberia and northwest North America) from unglaciated North America. By around 15 to 14 thousand calibrated radiocarbon

View Article

International migration flows: tracking the trends

With the refugee crisis in Syria, the rhetoric of the US presidential campaign and the recent Brexit vote, it’s no surprise that the movement of people is such a major talking point, explore info graphic

View Article

1970s and ‘Patient 0’ HIV-1 genomes illuminate early HIV/AIDS history in...

The emergence of HIV-1 group M subtype B in North American men who have sex with men was a key turning point in the HIV/AIDS pandemic. Phylogenetic studies have suggested cryptic subtype B circulation

View Article


HIV’s patient zero exonerated

A study clarifies when HIV entered the United States and dispels the myth that one man instigated the AIDS epidemic in North America.

View Article


A time transect of exomes from a Native American population before and after...

A major factor for the population decline of Native Americans after European contact has been attributed to infectious disease susceptibility. To investigate whether a pre-existing genetic component

View Article

Wildfires and geochemical change in a subalpine forest over the past six...

The frequency of large wildfires in western North America has been increasing in recent decades, yet the geochemical impacts of these events are poorly understood. The multidecadal timescales of both

View Article

Climatic warming destabilizes forest ant communities

How will ecological communities change in response to climate warming? Direct effects of temperature and indirect cascading effects of species interactions are already altering the structure of local

View Article

Climate change damages to Alaska public infrastructure and the economics of...

Climate change in Alaska is causing widespread environmental change that is damaging critical infrastructure. As climate change continues, infrastructure may become more vulnerable to damage, increasing

View Article


What’s killing the world’s shorebirds?

Researchers brave polar bears, mosquitoes and gull attacks in the Canadian Arctic to investigate an alarming die off.

View Article

Global progress and backsliding on gasoline taxes and subsidies

To reduce greenhouse gas emissions in the coming decades, many governments will have to reform their energy policies. These policies are difficult to measure with any precision. As a result, it is unclear

View Article


What North America’s skeleton crew of megafauna tells us about community...

Functional trait diversity is increasingly used to model future changes in community structure despite a poor understanding of community disassembly's effects on functional diversity. By tracking

View Article

Integrated water resources management in Central America: the over-riding...

The Central America region is generously endowed with water resources, but concerns are growing about water scarcity in parts of the region. This can mean both a physical lack of water and a lack of...

View Article


Central America urbanization review: making cities work for Central America

Central America is undergoing an important transition. Urban populations are increasing at accelerated speeds, bringing pressing challenges for development, as well as opportunities to boost sustained,

View Article

The role of tidal modulation in coastal flooding on a micro-tidal coast...

Coastal flooding in the Yucatan Peninsula is mainly associated with storm surge events triggered by high-pressure cold fronts systems passing through the Gulf of Mexico. To assess coastal flood hazards,

View Article

Migratory connectivity of Semipalmated Sandpipers and implications for...

Semipalmated Sandpiper (Calidris pusilla) populations have undergone significant declines at core nonbreeding sites in northeastern South America. Breeding populations have also declined in the eastern

View Article
Browsing all 156 articles
Browse latest View live