نتایج جستجو برای: appalachian orogen
تعداد نتایج: 3081 فیلتر نتایج به سال:
Integration of geological and geophysical data from the active Banda orogen reveals important variations in structural style with time that reconcile rival hypotheses for the tectonic evolution of the Banda arc. These variations indicate the temporal distribution of strain in the collision zone by vertical and horizontal structural restorations of the collision through time. In the western part...
Social networks influence health behavior and health status. Within social networks, "key players" often influence those around them, particularly in traditionally underserved areas like the Appalachian region in the USA. From a total sample of 787 Appalachian residents, we identified and interviewed 10 key players in complex networks, asking them what comprises a key player, their role in thei...
Lack of exercise has been linked to poor health issues (e.g., obesity) in American society. National (e.g., Appalachian Trail) and local trails are a potential resource for championing physical activity. To challenge sedentary lifestyle choices and promote more active ones, an understanding of the benefits perceived to be associated with physical and outdoor activities is needed. A total of 454...
BACKGROUND Early school start times may curtail children's sleep and inadvertently promote sleep restriction. The current study examines the potential implications for early school start times for behavioral problems in public elementary schools (student ages 5-12 years) in Kentucky. METHOD School start times were obtained from school Web sites or by calling school offices; behavioral and dis...
Woody debris can be a valuable resource for stream macroinvertebrates both directly and indirectly as a source of food or substrate. We review the literature on woody debris-macroinvertebrate interactions in three ecoregions in the Southeastern U.S. Studies on streams in the Coastal Plain ecoregion, which tend to be sandy or muddy, indicate that woody debris is valuable as substrate. Studies on...
The invasion of ecosystems by non-native species is a major driver of biodiversity loss worldwide. A critical component of effective land management to control invasion is the identification and active protection of areas at high risk of future invasion. The Appalachian Trail Decision Support System (A.T.-DSS) was developed to inform regional natural resource management by integrating remote se...
The golden-winged warbler (Vermivora chrysoptera) is a neotropical migrant songbird that winters in portions of Central and South America and breeds in the northern Great Lakes regions of the United States and Canada, and at higher elevations of the central and southern Appalachian Mountains (Confer et al. 2011). The species is experiencing steep population declines throughout its Appalachian M...
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