An optimization model of sand and gravel mining quantity considering healthy ecosystem in Yangtze River, China
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2019.118385
Abstract: Abstract River sand and gravel are industrial construction materials that are an essential part of rivers. Therefore, an important issue is to determine how to produce the maximum economic benefit of river sand and gravel… read more here.
Keywords: sand; river; quantity; gravel mining ... See more keywords
Endophytic nitrogen fixation - a possible 'hidden' source of nitrogen for lodgepole pine trees growing at unreclaimed gravel mining sites.
Sign Up to like & getrecommendations! Published in 2019 at "FEMS microbiology ecology"
DOI: 10.1093/femsec/fiz172
Abstract: Lodgepole pine (Pinus contorta var. latifolia) trees have been thriving on unreclaimed gravel mining sites in British Columbia, Canada with tissue nitrogen-content and growth-rate unaffected by extremely low soil nitrogen-levels. This indicates that pine trees… read more here.
Keywords: nitrogen; pine trees; endophytic nitrogen; gravel mining ... See more keywords
Isolation and identification of endophytic diazotrophs from lodgepole pine trees growing at unreclaimed gravel mining pits in central interior British Columbia, Canada
Sign Up to like & getrecommendations! Published in 2018 at "Canadian Journal of Forest Research"
DOI: 10.1139/cjfr-2018-0347
Abstract: Unreclaimed gravel mining pits located in the central interior of British Columbia have very limited soil nitrogen (N) levels due to gravelly textured soils with weak profile development, no organi... read more here.
Keywords: mining pits; interior british; british columbia; central interior ... See more keywords
Assessing the impact of job demands and hazardous workload activities on musculoskeletal symptoms in stone, sand, and gravel mining operations.
Sign Up to like & getrecommendations! Published in 2023 at "Work"
DOI: 10.3233/wor-220188
Abstract: BACKGROUND Musculoskeletal disorders (MSDs) and associated musculoskeletal symptoms (MSS) are problematic in stone, sand, and gravel mining. Research is needed to explore relationships between job demands, work-related hazards and MSS. OBJECTIVE An exploratory study was… read more here.
Keywords: gravel mining; stone sand; sand gravel; job demands ... See more keywords