نتایج جستجو برای: anthropogenic

تعداد نتایج: 24952  

Journal: :iranian journal of environmental sciences 0
clement ogunkunle environmental biology unit, department of plant biology, university of ilorin, nigeria ite aniefiok department of chemistry, akwa ibom state university, p.m.b. 1167, uyo, akwa ibom state, nigeria sunday adeniyi department of geography, osun state university, osogbo, nigeria elizabeth akintola environmental biology unit, department of plant biology, university of ilorin, nigeria uche okere school of forensic and applied science, university of central lancashire, pr1 2he, united kingdom

urban horticulture is of growing importance in developing and developed countries around the world; however, contamination of urban horticultural products can exceed the precautionary values, posing significant human health risks due to dietary exposure to high levels of the pollutants. in this study, samples of rhizosphere soil and corresponding vegetables have been collected from an urban gar...

2013
Katie Hossler James E. Bauer

[1] Riverine exports of carbon (C) and organic matter (OM) are regulated by a variety of natural and anthropogenic factors. Understanding the relationships between these various factors and C and OM exports can help to constrain global C budgets and allow assessment of current and future anthropogenic impacts on both riverine and global C cycles. We quantified the effects of multiple natural an...

Journal: :Bulletin of the Ecological Society of America 2015

Journal: :Animal Sentience 2020

2012
S. C. Doney H. D. Graven J. L. Sarmiento

Introduction Conclusions References

2014
Lu Xu Hongyu Guo Christopher M. Boyd Mitchel Klein Aikaterini Bougiatioti Kate M. Cerully James Ricky Hite Gabriel Isaacman Nathan M. Kreisberg Christoph Knote Kevin Olson Abigail Koss Allen H. Goldstein Susanne V. Hering Joost de Gouw Karsten Baumann Shan-Hu Lee Athanasios Nenes Nga Lee Ng

Q:1; 2; 3; 4 emissions on aerosol formation from isoprene and Q:5; 6; 7 monoterpenes in the southeastern United States Lu Xu, Hongyu Guo, Christopher M. Boyd, Mitchel Klein, Aikaterini Bougiatioti, Kate M. Cerully, James Ricky Hite, Gabriel Isaacman, Nathan M. Kreisberg, Christoph Knote, Kevin Olson, Abigail Koss, Allen H. Goldstein, Susanne V. Hering, Joost de Gouw, Karsten Baumann, Shan-Hu Le...

Journal: :international journal of environmental research 2014
p. manju p.s. nair akhil c.h. sujatha

this article present the result from a study of two sediment cores collected from theenvironmentally distinct zones of ces. accumulation status of five toxic metals: cadmium (cd), chromium(cr), cobalt (co), copper (cu) and lead (pb) were analyzed. besides texture and chns were determined tounderstand the composition of the sediment. enrichment factor (ef) and anthropogenic factor (af) wereused ...

Journal: :international journal of environmental research 2010
m. sundararajan u. natesan

the core sediment samples were analysed for grain size, carbonates (caco3), organic carbon (oc) to obtain a preliminary view of its environmental conditions near point calimere along the southeast coast of vedaranyam, india.the high concentration of sand in the core is attributed to the tidal influence at the akkarapallivasal river mouth. the sea water which enters the river suspends the floccu...

Journal: :desert 0
gh. chamanpira senior expert, agriculture and natural resources research center of lorestan province, khoram abad, iran gh.r. zehtabian professor, faculty of natural resources, university of tehran, karaj, iran ahmadi h. professor, science and research branch, islamic azad university, tehran, iran m. ekhtesasi ekhtesasi

in recent years, the topic of desertification has been discussed in different ways in scientific areas. this event occurred globally, regionally and nationally and many steps were taken to stop it. desertification is challenged universally and its destructive effects are unavoidable and its consequences do endanger the life of inhabitants. the identification of sensitive regions and prevention ...

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