Tag: levels

Posted on

Complete with a landscape design by 2.ink studio that incorporates indigenous plants, this sustainable headquarters by LEVER Architecture thoughtfully uses design thinking to accommodate various levels of physical ability and feel inviting to all

Portland, Oregon

Situated in Portland’s Albina community, The Meyer Memorial Have faith in Headquarters by LEVER Architecture with 2.ink Studio is a platform for advancing Meyer’s initiatives throughout the condition, supported by a structure that expresses the Foundation’s commitment to equity and sustainability.

Meyer Memorial Belief is a private foundation that invests in organizations, communities, strategies, and initiatives that add to a flourishing and equitable Oregon.

The new campus’ developing software involves an engagement centre for general public systems, mission library, cafe-model party place and roof garden terrace, workspace for 50, conference rooms, and coworking house for partners.

For its inclusive and sustainable design and style, Meyer Memorial Have confidence in Headquarters has recently been awarded a 2022 American Architecture Award Honorable Point out, by The Chicago Athenaeum: Museum of Architecture and Design and The European Centre for Architecture Art Design and Urban Scientific tests.

To bolster connections in between the Basis and the communities it serves, Meyer’s floor flooring is built as a “front porch.”

Inside of, the focal issue of the setting up is the Centre for Wonderful Purposes, a 100-seat convening centre for community courses and collaborations with companion businesses.

Produced from a regional wooden products identified as Mass Plywood, the Centre is an indoor/outside function area that opens to an instructional garden.

The landscape design acknowledges local ecology, local community history, and regional identity, serving as an educational setting for staff and guests.

Indigenous plant species ended up chosen mainly because of their historical significance as a major meals, medicinal or commodity source for Columbia River tribes. 

A back garden marker in the Kwánsǝm Yakwá Garden expresses the concept so steadily articulated by Indigenous men and women, “we’ve constantly been here” in Chinook Wawa.

The building thoughtfully incorporates style and design imagining that accommodates different concentrations of bodily ability, and is inviting to all regardless of race, coloration, religion, intercourse, national origin, disability, or age.

Examples contain a bottom-up tactic to design and decision-making with participation of the greater part of Meyer staff members at just about every phase equitable distribution of widespread features and windows all through going higher than and past ADA demands furnishings that accommodates different system forms and actual physical qualities diversity of cultures and languages mirrored in messaging, signage, and artwork. 

Reflecting a determination to varied representation and equitable outcomes throughout its workforce, Meyer designed rigorous participation goals and worked with the challenge crew to maximize options for BIPOC and lady-owned corporations: 39 {6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} participation for the design crew and 55 {6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} participation for the development staff.

The project connects sustainable developing design with social equity and local community growth, demonstrating the synergistic romantic relationship that can be produced among these objectives. 

In line with environmental targets, the job realized LEED v4 Platinum certification and is enrolled in the Path to Internet Zero with Electricity Rely on of Oregon.

The design and style for the new headquarters employs a quantity of strategies to reach these ambitious certifications, which includes solar PV panels, an strength successful constructing enclosure and HVAC technique, on-web-site stormwater management, regional components, and indigenous plantings.

The creating makes use of 30 percent much less electrical power and with the 50kW photo voltaic array, consumes 50 per cent significantly less vitality when when compared to a regular code structure in Oregon.

The setting up works by using 35 percent much less h2o indoors and 80 {6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} fewer h2o for irrigation.

A dynamic filtration procedure and activated carbon filter media lower air particulates, eliminate odors from getting into the making, and produce much healthier indoor air good quality for staff members and visitors alike.  

Challenge: Meyer Memorial Have confidence in Headquarters
Architects: LEVER Architecture
Lead Architects: Chandra Robinson, Thomas Robinson, Cecily Ryan, and George-Michael Rusch 
Landscape Architects: 2.ink Studio
Structural Engineers: KPFF Consulting Engineers 
Civil Engineers: Standridge Layout
MEP EngineerS and LEED Advisor: Glumac 
Experiential Designers: Ditroen
Typical Contractor: O’Neill/Walsh Group Builders 
Shopper: Meyer Memorial Have faith in
Photographers: Jeremy Bittermann

Green Good Design Awards 2023

Posted on

Water levels driving Utahns to water-wise landscaping | News, Sports, Jobs

&#13
&#13
&#13
&#13
&#13

Deborah Wilber, Common-Examiner

Drip tape is demonstrated in Carie Frantz’s xeriscaped lawn on Monday, June 6, 2022.

OGDEN — Actions taken by drinking water end users within just the Weber Basin H2o Conservancy District, alongside with modern temperature, has benefited drinking water source all over the location. With reservoirs at 55{6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} capability, up from 35{6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} in March, the district plans to shift from their latest response — level 5-serious — to a level 4-extreme, in accordance with their Drought Contingency Approach.

Scott Paxman, the district normal manager and CEO, mentioned they are grateful for people who responded to drought messaging and mitigation endeavours by participating in conservation courses and landscape modifications.

According to Paxman, adopting sustainable h2o behaviors now will assist get ready men and women for moments of drought.

“Our communities will have significant impacts on all sides of our lives, now and well into the upcoming,” he mentioned.

Over 700,000 citizens inside of Davis, Weber, Morgan, Summit and Box Elder counties receive h2o from district sources.

Deborah Wilber, Typical-Examiner

Carie Frantz’s xeriscaped lawn is pictured Monday, June 6, 2022.

In accordance to Paxman, late fall and early winter storms appreciably impacted soil dampness throughout the watershed. Having said that, mitigation actions are ongoing, which includes an early termination of irrigation process deliveries for wholesale and retail contracts in mid-September.

The district is encouraging the community to choose gain of its conservation packages, which includes instructional courses, rebate systems and the “Learning Backyard garden.”

To day, approximately 850 purposes have been been given by the district for their “Flip-Your-Strip” incentive software recognized very last summer time. Parking strips, the narrow strip of land among sidewalks and the highway, are reportedly inefficiently irrigated and challenging to retain.

With a substantial total of the drinking water intended for parking strips ending up on sidewalks and roadways, the district initiated the application to get the general public to switch to drinking water-clever landscaping.

Although some inhabitants have debated whether or not or not they would switch the landscaping, Carie Frantz, an Environmental Scientist and Professor of Earth and Environmental Sciences at Weber State University, realized zero-scaping was one thing she was likely to do.

Deborah Wilber, Conventional-Examiner

Carie Frantz’s xeriscaped garden is pictured Monday, June 6, 2022.

Frantz commenced operating on her drinking water-clever landscape final 12 months. She now has a web page on the matter, outlining the method for people who may well want to make the transform, but really do not know how to do it. Far more info can be discovered at websites.google.com/check out/cariescaping.

Paxman reported towns and the public have been really receptive to the incentive. “Interest in the program has been exploding these days,” he claimed.

&#13 &#13
&#13
&#13

Newsletter

&#13

&#13

Be a part of 1000’s presently getting our every day newsletter.

&#13

Posted on

Amazon forests capture high levels of atmospheric mercury pollution from artisanal gold mining

  • 1.

    NRDC. Artisanal Gold: Opportunities for responsible investment-Summary. Investing in Artisanal Gold Summary v8 https://www.nrdc.org/sites/default/files/investing-artisanal-gold-summary.pdf (2016).

  • 2.

    Asner, G. P. & Tupayachi, R. Accelerated losses of protected forests from gold mining in the Peruvian Amazon. Environ. Res. Lett. 12, 9 (2017).

  • 3.

    Espejo, J. C. et al. Deforestation and forest degradation due to gold mining in the Peruvian Amazon: A 34-year perspective. Remote Sens. 10, 1–17 (2018).


    Google Scholar     

  • 4.

    Gerson, J. R. et al. Artificial lake expansion amplifies mercury pollution from gold mining. Sci. Adv. 6, eabd4953 (2020).

    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar     

  • 5.

    Dethier, E. N., Sartain, S. L. & Lutz, D. A. Heightened levels and seasonal inversion of riverine suspended sediment in a tropical biodiversity hot spot due to artisanal gold mining. Proc. Natl Acad. Sci. USA 116, 23936–23941 (2019).

    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar     

  • 6.

    Abe, C. A. et al. Modeling the effects of land cover change on sediment concentrations in a gold-mined Amazonian basin. Reg. Environ. Chang. 19, 1801–1813 (2019).

  • 7.

    UNEP. Global Mercury Assessment https://www.unep.org/resources/publication/global-mercury-assessment-2018 (2018).

  • 8.

    Markham, K. E. & Sangermano, F. Evaluating wildlife vulnerability to mercury pollution from artisanal and small-scale gold mining in Madre de Dios, Peru. Trop. Conserv. Sci. 11, 194008291879432 (2018).

  • 9.

    Alvarez-Berríos, N. et al. Impacts of small-scale gold mining on birds and anurans near the Tambopata Natural Reserve, Peru, assessed using passive acoustic monitoring. Trop. Conserv. Sci. 9, 832–851 (2016).


    Google Scholar     

  • 10.

    Ashe, K. Elevated mercury concentrations in humans of Madre de Dios, Peru. PLoS One 7, 1–6 (2012).


    Google Scholar     

  • 11.

    Langeland, A., Hardin, R. & Neitzel, R. Mercury levels in human hair and farmed fish near artisanal and small-scale gold mining communities in the Madre de Dios River Basin, Peru. Int. J. Environ. Res. Public Health 14, 302 (2017).

    PubMed Central 

    Google Scholar     

  • 12.

    Gonzalez, D. J. X., Arain, A. & Fernandez, L. E. Mercury exposure, risk factors, and perceptions among women of childbearing age in an artisanal gold mining region of the Peruvian Amazon. Environ. Res. 179, 108786 (2019).

    CAS 
    PubMed 

    Google Scholar     

  • 13.

    Gutleb, A. C., Schenck, C. & Stalb, E. Giant otter (Pteronura brasiliensis) at risk? Total mercury and methylmercury levels in fish and otter scats, Peru. Ambio 26, 511–514 (1997).


    Google Scholar     

  • 14.

    Júnior, J. A. M. A. Y., Quigley, H. & Hoogesteijn, R. Mercury content in the fur of jaguars (Panthera onca) from two areas under different levels of gold mining impact in the Brazilian Pantanal. An. Acad. Bras. Cienc. 90, 1–11 (2017).

  • 15.

    Stylo, M., De Haan, J. & Davis, K. Collecting, managing and translating data into National Action Plans for artisanal and small scale gold mining. Extr. Ind. Soc. 7, 237–248 (2020).


    Google Scholar     

  • 16.

    Hilson, G., Hu, Y. & Kumah, C. Locating female ‘Voices’ in the Minamata Convention on Mercury in Sub-Saharan Africa: The case of Ghana. Environ. Sci. Policy 107, 123–136 (2020).


    Google Scholar     

  • 17.

    Clifford, M. J. Future strategies for tackling mercury pollution in the artisanal gold mining sector: Making the Minamata Convention work. Futures 62, 106–112 (2014).


    Google Scholar     

  • 18.

    Spiegel, S., Keane, S., Metcalf, S. & Veiga, M. Implications of the minamata convention on mercury for informal gold mining in sub-Saharan Africa: From global policy debates to grassroots implementation? Environ. Dev. Sustain 17, 765–785 (2015).


    Google Scholar     

  • 19.

    Lodenius, M. & Malm, O. Mercury in the Amazon. Rev. Environ. Contam. Toxicol 157, 25–52 (1998).

    CAS 
    PubMed 

    Google Scholar     

  • 20.

    Driscoll, C. T., Mason, R. P., Chan, H. M., Jacob, D. J. & Pirrone, N. Mercury as a global pollutant: Sources, pathways, and effects. Environ. Sci. Technol. 47, 4967–4983 (2013).

    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar     

  • 21.

    Paige Wright, L., Zhang, L. & Marsik, F. J. Overview of mercury dry deposition, litterfall, and throughfall studies. Atmos. Chem. Phys. 16, 13399–13416 (2016).

    ADS 

    Google Scholar     

  • 22.

    Gerson, J. R., Driscoll, C. T., Hsu-kim, H. & Bernhardt, E. S. Senegalese artisanal gold mining leads to elevated total mercury and methylmercury concentrations in soils, sediments, and rivers. Elem. Sci. Anthr. 6, 11 (2018).

  • 23.

    Hsu-Kim, H. et al. Challenges and opportunities for managing aquatic mercury pollution in altered landscapes. Ambio 47, 141–169 (2018).

    PubMed 
    PubMed Central 

    Google Scholar     

  • 24.

    Witt, E. L., Kolka, R. K., Nater, E. A. & Wickman, T. R. Influence of the forest canopy on total and methyl mercury deposition in the boreal forest. Water. Air. Soil Pollut. 199, 3–11 (2009).

    ADS 
    CAS 

    Google Scholar     

  • 25.

    Asner, G. P., Llactayo, W., Tupayachi, R. & Luna, E. R. Elevated rates of gold mining in the Amazon revealed through high-resolution monitoring. Proc. Natl Acad. Sci. USA 110, 18454–18459 (2013).

    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar     

  • 26.

    Sprovieri, F. et al. Atmospheric mercury concentrations observed at ground-based monitoring sites globally distributed in the framework of the GMOS network. Atmos. Chem. Phys. 16, 11915–11935 (2016).

    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar     

  • 27.

    Sprovieri, F., Pirrone, N., Ebinghaus, R., Kock, H. & Dommergue, A. A review of worldwide atmospheric mercury measurements. Atmos. Chem. Phys. 10, 8245–8265 (2010).

    ADS 
    CAS 

    Google Scholar     

  • 28.

    Guo, Y. et al. Distribution and wet deposition fluxes of total and methyl mercury in Wujiang River Basin, Guizhou, China. Atmos. Environ. 42, 7096–7103 (2008).

    ADS 
    CAS 

    Google Scholar     

  • 29.

    Jiskra, M. et al. A vegetation control on seasonal variations in global atmospheric mercury concentrations. Nat. Geosci. 11, 244–250 (2018).

    ADS 
    CAS 

    Google Scholar     

  • 30.

    Fay, L. & Gustin, M. Assessing the influence of different atmospheric and soil mercury concentrations on foliar mercury concentrations in a controlled environment. Water. Air. Soil Pollut. 181, 373–384 (2007).

    ADS 
    CAS 

    Google Scholar     

  • 31.

    Ericksen, J. A. et al. Accumulation of atmospheric mercury in forest foliage. Atmos. Environ. 37, 1613–1622 (2003).

    ADS 
    CAS 

    Google Scholar     

  • 32.

    Fu, X. W. et al. Observations of atmospheric mercury in China: A critical review. Atmos. Chem. Phys. Discuss. 15, 11925–11983 (2009).

    ADS 

    Google Scholar     

  • 33.

    Zhou, J. et al. Examination of total mercury inputs by precipitation and litterfall in a remote upland forest of Southwestern China. Atmos. Environ. 81, 364–372 (2013).

    ADS 
    CAS 

    Google Scholar     

  • 34.

    Teixeira, D. C., Lacerda, L. D. & Silva-Filho, E. V. Mercury sequestration by rainforests: The influence of microclimate and different successional stages. Chemosphere 168, 1186–1193 (2017).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 35.

    Nebel, G., Dragsted, J. & Vega, A. S. Litter fall, biomass and net primary production in flood plain forests in the Peruvian Amazon. For. Ecol. Manage. 150, 93–102 (2001).


    Google Scholar     

  • 36.

    Shanley, J. B. & Bishop, K. H. Mercury in the Environment: Pattern and Process (ed. Bank, M.) 119–141 (University of California Press, 2012).

  • 37.

    Gerson, J. R. et al. Deposition of mercury in forests across a montane elevation gradient: Elevational and seasonal patterns in methylmercury inputs and production. JGR. Biogeosciences 122, 1–18 (2017).


    Google Scholar     

  • 38.

    Fadini, P. & Jardim, W. Is the Negro River Basin (Amazon) impacted by naturally occurring mercury? Sci. Total Environ. 275, 71–82 (2001).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 39.

    Hartman, J. S. et al. Application of a rule-based model to estimate mercury exchange for three background biomes in the continental United States. Environ. Sci. Technol. 43, 4989–4994 (2009).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 40.

    Magarelli, G. & Fostier, H. Quantificacao de fluxos de mercurio gasoso na interface solo/atmosfera utilizando camara de fluxo dinamico: Aplicacao na bacia do Rio Negro. Quim. Nova 28, 968–974 (2005).

    CAS 

    Google Scholar     

  • 41.

    Ullrich, S. M., Tanton, T. W. & Abdrashitova, S. A. Mercury in the aquatic environment: A review of factors affecting methylation. Crit. Rev. Environ. Sci. Technol. 31, 241–293 (2001).

    CAS 

    Google Scholar     

  • 42.

    Hsu-Kim, H., Kucharzyk, K. H., Zhang, T. & Deshusses, M. A. Mechanisms regulating mercury bioavailability for methylating microorganisms in the aquatic environment: A critical review. Environ. Sci. Technol. 47, 2441–2456 (2013).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 43.

    Rudd, J. W. M. Sources of methyl mercury to freshwater ecosystems: A review. Water, Air, Soil Pollut. 80, 697–713 (1995).

    ADS 
    CAS 

    Google Scholar     

  • 44.

    Roulet, M., Guimaraes, J. & Lucotte, M. Methylmercury production and accumulation in sediments and soils of an Amazonian floodplain—effect of seasonal indundation. Water Air Soil Pollut. 128, 41–60 (2001).

    ADS 
    CAS 

    Google Scholar     

  • 45.

    Biswas, A., Blum, J. D., Klaue, B. & Keeler, G. J. Release of mercury from Rocky Mountain forest fires. Global Biogeochem. Cycles 21, 1–13 (2007).


    Google Scholar     

  • 46.

    Kumar, A., Wu, S., Huang, Y., Liao, H. & Kaplan, J. O. Mercury from wildfires: Global emission inventories and sensitivity to 2000–2050 global change. Atmos. Environ. 173, 6–15 (2018).

    ADS 
    CAS 

    Google Scholar     

  • 47.

    Monzon, E. V. Plan de negocios 2007-201: SIAMAZONIA (2007).

  • 48.

    MacArthur, R. H. & MacArthur, J. W. On bird species diversity. Ecology 42, 594–598 (1961).


    Google Scholar     

  • 49.

    Ozanne, C. H. P. et al. Biodiversity meets the atmosphere: A global view of forest canopies. Science 301, 183–186 (2003).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 50.

    Vuohelainen, A. J., Coad, L., Marthews, T. R., Malhi, Y. & Killeen, T. J. The effectiveness of contrasting protected areas in preventing deforestation in Madre de Dios, Peru. Environ. Manage. 50, 645–663 (2012).

    ADS 
    PubMed 

    Google Scholar     

  • 51.

    Porvari, P., Verta, M., Munthe, J. & Haapanen, M. Forestry practices increase mercury and methyl mercury output from boreal forest catchments. Environ. Sci. Technol. 37, 2389–2393 (2003).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 52.

    Veiga, M. M. & Meech, J. A. Mercury pollution from deforestation. Nature 368, 816–817 (1994).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 53.

    Magarelli, G. & Fostier, A. H. Influence of deforestation on the mercury air/soil exchange in the Negro River Basin, Amazon. Atmos. Environ. 39, 7518–7528 (2005).

    ADS 
    CAS 

    Google Scholar     

  • 54.

    Cardo, M. A. & Vargas, P. M. Proyecto: Plan nacional de accion sobre mercurio en el sector de la mineria de oro artesanal y de pequena escala en el Peru (2017).

  • 55.

    Veiga, M. M. & Chouinard, R. Results of the awareness campaign and technology demonstration for artisanal gold miners: Summary report (2008).

  • 56.

    Rimmer, C. C. et al. Mercury concentrations in Bicknell’s thrush and other insectivorous passerines in montane forests of northeastern North America. Ecotoxicology 14, 223–240 (2005).

    CAS 
    PubMed 

    Google Scholar     

  • 57.

    Rimmer, C. C., Miller, E. K., McFarland, K. P., Taylor, R. J. & Faccio, S. D. Mercury bioaccumulation and trophic transfer in the terrestrial food web of a montane forest. Ecotoxicology 19, 697–709 (2010).

    CAS 
    PubMed 

    Google Scholar     

  • 58.

    Evers, D. Encyclopedia of the Anthropocene 5 (Elsevier Inc., 2018).

  • 59.

    Ackerman, J. T. et al. Avian mercury exposure and toxicological risk across western North America: A synthesis. Sci. Total Environ. 568, 749–769 (2016).

    ADS 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar     

  • 60.

    Myers, N., Mittermeier, R. A., Mittermeier, C. G., de Fonseca, G. A. B. & Kent, J. Biodiversity hotspots for conservation priorities. Nature 403, 853–858 (2000).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 61.

    Obrist, D. et al. A review of global environmental mercury processes in response to human and natural perturbations: Changes of emissions, climate, and land use. Ambio 47, 116–140 (2018).

    PubMed 
    PubMed Central 

    Google Scholar     

  • 62.

    Saiki, M. K., Martin, B. A., May, T. W. & Alpers, C. N. Mercury concentrations in fish from a Sierra Nevada foothill reservoir located downstream from historic gold-mining operations. Environ. Monit. Assess. 163, 313–326 (2010).

    CAS 
    PubMed 

    Google Scholar     

  • 63.

    McLagan, D. S. et al. A high-precision passive air sampler for gaseous mercury. Environ. Sci. Technol. Lett. 3, 24–29 (2016).

    CAS 

    Google Scholar     

  • 64.

    Stupple, G. W., McLagan, D. S. & Steffan, A. In situ reactive gaseous mercury uptake on radiello diffusive barrier, cation exchange membrane, and teflon filter membranes during atmospheric mercury depletion events. In 14th International Conference on Mercury as a Global Pollutant (2019).

  • 65.

    Schulenberg, T. S. et al. Birds of Peru (Princeton University Press, 2010).

  • 66.

    Almeida, D. R. A. et al. Monitoring the structure of forest restoration plantations with a drone-lidar system. Int. J. Appl. Earth Obs. Geoinf. 79, 192–198 (2019).

    ADS 

    Google Scholar     

  • 67.

    Biswas, A., Blum, J. D., Bergquist, B. A., Keeler, G. J. & Xie, Z. Natural mercury isotope variation in coal deposits and organic soils. Environ. Sci. Technol. 42, 8303–8309 (2008).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 68.

    McLagan, D. S. et al. Global evaluation and calibration of a passive air sampler for gaseous mercury. Atmos. Chem. Phys. 18, 5905–5919 (2018).

    ADS 
    CAS 

    Google Scholar     

  • 69.

    Munson, K. M., Babi, D. & Lamborg, C. H. Determination of monomethylmercury from seawater with ascorbic acid-assisted direct ethylation. Limnol. Oceanogr. Methods 12, 1–9 (2014).


    Google Scholar     

  • 70.

    Hintelmann, H. & Nguyen, H. T. Extraction of methylmercury from tissue and plant samples by acid leaching. Anal. Bioanal. Chem. 381, 360–365 (2005).

    CAS 
    PubMed 

    Google Scholar     

  • 71.

    Tseng, C. M. et al. Rapid and quantitative microwaveassisted recovery of methylmercury from standard reference sediments. J. Anal. At. Spectrom. 12, 629–635 (1997).

    CAS 

    Google Scholar     

  • 72.

    Rahman, M. & Kingston, H. Development of a microwave-assisted extraction method and isotopic validation of mercury species in soils and sediments. J. Anal. At. Spectrom. 20, 183–191 (2005).

    CAS 

    Google Scholar     

  • 73.

    Hintelmann, H. & Evans, R. D. Application of stable isotopes in environmental tracer studies—measurement of monomethylmercury (CH3Hg+) by isotope dilution ICP-MS and detection of species transformation. Fresenius J. Anal. Chem. 358, 378–385 (1997).

    CAS 

    Google Scholar     

  • 74.

    Fostier, A. H. et al. Mercury fluxes in a natural forested Amazonian catchment (Serra do Navio, Amapa State, Brazil). Sci. Total Environ. 260, 201–211 (2000).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 75.

    Batjes, N. H. & Dijkshoorn, J. A. Carbon and nitrogen stocks in the soils of the Amazon Region. Geoderma 89, 273–286 (1999).

    ADS 

    Google Scholar     

  • 76.

    ‘R Core Team’. R: A Language and Environment for Statistical Computing (R Foundation for Statistical Computing, 2014).

  • 77.

    Obrist, D. et al. Mercury distribution across 14 U.S. Forests. Part I: Spatial patterns of concentrations in biomass, litter, and soils. Environ. Sci. Technol. 45, 3974–3981 (2011).

    ADS 
    CAS 
    PubMed 

    Google Scholar     

  • 78.

    Gerson, J. R. et al. Chemistry of surface water, precipitation, throughfall, leaves, sediment, soil, and air near artisanal gold mining in Madre de Dios, Peru. Ecology Data Papers (2022). In Press.