Search Results - "Arocena, Joselito M."

Adsorption of Orange II dye in aqueous solution onto surfactant-coated zeolite: Characterization, kinetic and thermodynamic studies by Jin, Xiaoying, Yu, Bing, Chen, Zuliang, Arocena, Joselito M., Thring, Ronald W.

“…[Display omitted] •Adsorption of Orange II onto coated zeolite (HCZ) was studied.•38.96mg/g Adsorbed by HCZ, while 8.13mg/g by zeolite.•HCZ was characterized…”
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Speciation of arsenic in bulk and rhizosphere soils from artisanal cooperative mines in Bolivia by Acosta, Jose A., Arocena, Joselito M., Faz, Angel

“…•As in soils ranged from 13 to 64mgkg−1, exceeding the environmental guidelines.•Rhizosphere soils always contained at least twice the As contents in bulk…”
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Calcium Oxalate Biomineralization by Piloderma fallax in Response to Various Levels of Calcium and Phosphorus by Tuason, Melissa Marie S, Arocena, Joselito M

“…Piloderma fallax is an ectomycorrhizal fungus commonly associated with several conifer and hardwood species. We examined the formation of calcium oxalate…”
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Microbially-accelerated consolidation of oil sands tailings. Pathway II: solid phase biogeochemistry by Siddique, Tariq, Kuznetsov, Petr, Kuznetsova, Alsu, Li, Carmen, Young, Rozlyn, Arocena, Joselito M, Foght, Julia M

“…Consolidation of clay particles in aqueous tailings suspensions is a major obstacle to effective management of oil sands tailings ponds in northern Alberta,…”
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CHEMICAL COMPOSITION OF LICK SOILS: FUNCTIONS OF SOIL INGESTION BY FOUR UNGULATE SPECIES by Ayotte, Jeremy B., Parker, Katherine L., Arocena, Joselito M., Gillingham, Michael P.

“…Perspectives on the importance of natural salt licks to ungulates have been broadened beyond the role of providing sodium. This study examined the chemical…”
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Sorption of Atrazine, 17α-Estradiol, and Phenanthrene on Wheat Straw and Peanut Shell Biochars by Zhou, Jiangmin, Chen, Hualin, Huang, Weilin, Arocena, Joselito M, Ge, Shimei

“…Biochars from two different feedstocks (peanut shell-PB; wheat straw-WB) were used in this study to understand the sorption mechanisms of atrazine (ATR),…”
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Elemental sulfur amendment decreases bio-available Cr-VI in soils impacted by leather tanneries by Shi, Jingjing, Chen, Hualin, Arocena, Joselito M., Whitcombe, Todd, Thring, Ronald W., Memiaghe, Jeff Nze

“…This study investigated the potential use of elemental S (S0) to convert Cr-VI to Cr-III which should decrease the bio-availability hence, toxicity of Cr-VI in…”
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Heavy metals and nutrients (carbon, nitrogen, and phosphorus) in sediments: relationships to land uses, environmental risks, and management by Li, Yubao, Arocena, Joselito M., Zhang, Qiao, Thring, Ronald W., Li, Jianbing

“…Management of sediments in polluted rivers requires an inventory of sediment quantities as well as their nutrient and metal contents and the chemical forms of…”
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Assessments of chromium (and other metals) in vegetables and potential bio-accumulations in humans living in areas affected by tannery wastes by Chen, Hualin, Arocena, Joselito M., Li, Jianbing, Thring, Ronald W., Zhou, Jiangmin

“…•Bio-availability of metals to plants is metal, site and plant specific.•Transfer functions are better than transfer factors to estimate Cr uptake.•Potential…”
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Visitor-induced changes in the chemical composition of soils in backcountry areas of Mt Robson Provincial Park, British Columbia, Canada by Arocena, Joselito M., Nepal, Sanjay K., Rutherford, Michael

“…Balancing recreation and conservation is an important issue in Canada's parks and protected areas. Increased levels of visitation to parks, especially to…”
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Evaluation of Chloropyromorphite Stability in the Rhizosphere of Brassica juncea and Medicago sativa in a Sand Culture by Abbaspour, Ali, Arocena, Joselito M.

“…Chloropyromorphite (Pb5(PO4)3Cl), CP, is the most stable lead (Pb) mineral under normal environmental conditions and precipitates in Pb‐contaminated soils by…”
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High altitude artisanal small-scale gold mines are hot spots for Mercury in soils and plants by Terán-Mita, Tania A., Faz, Angel, Salvador, Flor, Arocena, Joselito M., Acosta, Jose A.

“…Mercury releases from artisanal and small-scale gold mines (ASGM) condense and settle on plants, soils and water bodies. We collected soil and plant samples to…”
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Elemental and mineral composition of salts from selected natural and mine-affected areas in the Poopó and Uru-Uru lakes (Bolivia) by Fernández-López, Carmen, Faz Cano, Ángel, Arocena, Joselito M., Alcolea, Alberto

“…The environmental effects of extensive mineral extractions have been the focus of recent remediation efforts in the Poopó and Uru-Uru lakes (Bolivia). Our…”
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Root organic acid exudates and properties of rhizosphere soils of white spruce (Picea glauca) and subalpine fir (Abies lasiocarpa) by Tuason, Melissa Marie S, Arocena, Joselito M

“…Rhizosphere processes, such as the production and release of organic acids, contribute to differences in properties between rhizosphere (R) and nonrhizosphere…”
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Site properties have a stronger influence than fire severity on ectomycorrhizal fungi and associated N-cycling bacteria in regenerating post-beetle-killed lodgepole pine forests by Kennedy, Nabla M, Robertson, Susan J, Green, D. Scott, Scholefield, Scott R, Arocena, Joselito M, Tackaberry, Linda E, Massicotte, Hugues B, Egger, Keith N

“…Following a pine beetle epidemic in British Columbia, Canada, we investigated the effect of fire severity on rhizosphere soil chemistry and ectomycorrhizal…”
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Initial Soil Development Under Pioneer Plant Species in Metal Mine Waste Deposits by Arocena, Joselito M, Van Mourik, Jan M, Schilder, Madeleine L.M, Faz Cano, Angel

“…Mine waste materials are often inhospitable to plants due to extreme pH, high salinity, very low organic matter, elevated metal contents, and poor physical…”
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Bacterial Reduction of Selenium in Coal Mine Tailings Pond Sediment by Siddique, Tariq, Arocena, Joselito M., Thring, Ronald W., Zhang, Yiqiang

“…Sediment from a storage facility for coal tailings solids was assessed for its capacity to reduce selenium (Se) by native bacterial community. One…”
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Evaluation of iron-phosphate as a source of internal lake phosphorus loadings by Petticrew, Ellen L., Arocena, Joselito M.

“…Biological, physical and chemical characteristics of the water column of a shallow ( z max=9.2 m), small (surface area 3.8 km 2) residential and recreational…”
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Investigation of lichens using molecular techniques and associated mineral accumulations on a basaltic flow in a Mediterranean environment by Arocena, Joselito M., Siddique, Tariq, Thring, Ronald W., Kapur, Selim

“…The role of lichens in the breakdown of rocks in various environments is well documented. We investigated the formation of secondary minerals under 13…”
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Bacterial Reduction of Selenium in Coal Mine Tailings Pond Sediment by Siddique, T, Arocena, J.M, Thring, R.W, Zhang, Y

“…Received for publication September 6, 2006. Sediment from a storage facility for coal tailings solids was assessed for its capacity to reduce selenium (Se) by…”
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