Books

Amador, J. A., and G. W. Loomis. 2018. Soil-Based Wastewater Treatment. Soil Science Society of America, Madison, WI. 348 pages. PURCHASE

Torrens, K. M., and J. A. Amador (editors). 2012. Taking Your Course Online: An Interdisciplinary Journey. Information Age Publishing, Inc., Charlotte, NC. 138 pages. PURCHASE

Amador, J. A., E. A. Miles, and C. B. Peters. 2007. The Practice of Problem-Based Learning. Anker Publishing Co., Bolton, MA, 156 pages. PURCHASE

Journal Articles

2021

Ergas, S., J. Amador, T. Boyer, and E. Friedler. 2021. Special Collection Announcement: Onsite and Decentralized Wastewater Management Systems. Journal of Sustainable Water in the Built Environment 7 (3) 02021001. https://ascelibrary.org/doi/10.1061/JSWBAY.0000955

Wigginton, S., J. Amador, B. Baumgartel, G. Loomis, and G. Heufelder. 2021. Mesocosm- and field-scale evaluation of lignocellulose-amended soil treatment areas for removal of nitrogen from wastewater. Water 13 (15), 2137 https://doi.org/10.3390/w13152137  

Hino, K., J. Romero, J. Loffredo*, M. Stolt, S. Moseman-Valtierra, J. Amador, and B. Pellock. 2021. Birnessite films are sensitive indicators of microbial manganese reduction in soil. Soil Science Society of America Journal 87: 196–201. https://acsess.onlinelibrary.wiley.com/doi/abs/10.1002/saj2.20468

Romero, J., K. Hino, J. Loffredo*, M. Stolt, S. Moseman-Valtierra, J. Amador, and B. Pellock. 2021. Abiotic soil properties affecting interpretation of indicators of reduction in soil (IRIS) sensors in tidal and freshwater soils. Soil Science Society of America Journal 85: 2234–2239. https://doi.org/10.1002/saj2.20293 

2020

Wigginton, S. K., E. Q. Brannon, P. J. Kearns , B. V. Lancellotti, A. Cox, S. Moseman-Valtierra, G. W. Loomis, and J. A. Amador. 2020. Nitrifying and denitrifying microbial communities in centralized and decentralized biological nitrogen removing wastewater treatment systems. Water 12: 1688. https://doi.org/10.3390/w12061688 

Wigginton, S. K, G. W. Loomis, and J. A. Amador. 2020. Greenhouse gas emissions from lignocellulose-amended soil treatment areas for removal of nitrogen from wastewater. Science of the Total Environment 744: 140936. https://doi.org/10.1016/j.scitotenv.2020.140936

Cox, A. H., S. K. Wigginton, and J. A. Amador. 2020. Structure of greenhouse gas-consuming microbial communities in surface soils of a nitrogen-removing experimental drainfield. Science of the Total Environment 739:140362
https://doi.org/10.1016/j.scitotenv.2020.140362.

Cox, A. H., D. Surabian, G. W. Loomis, J. D. Turenne, and J. A. Amador. 2020. Temporal variability in the vertical separation distance of septic system drainfields along the southern Rhode Island coast. Water, Air, & Soil Pollution 231: 107. https://doi.org/10.1007/s11270-020-04488-z 

Cox, A. H., M. Dowling, G. W. Loomis, S. E. Engelhart, and J. A. Amador. 2020. Geospatial modeling suggests threats from stormy seas to Rhode Island’s coastal septic systems. Journal of Sustainable Water in the Built Environment 6(3) https://doi.org/10.1061/JSWBAY.0000917

2019

Duball, C. E., J. A.. Amador, L. E. Salisbury, and M. H. Stolt. 2019. Impacts of oyster aquaculture on subaqueous soils and infauna. Soil Science of America Journal 48: 1890-1898. https://doi.org/10.2134/jeq2019.03.0099

Anderson, F. L., J. A. Cooper, and J. A. Amador. 2019. Laboratory-scale evaluation of the effects of water-filled pore space on emissions of CO2, CH4, N2O, and N2 from soil-based wastewater treatment. Water, Air, & Soil Pollution 230: 245. https://doi.org/10.1007/s11270-019-4294-7

Amador, J. A. 2019. Active learning approaches to teaching Soil Science at the college level. Frontiers in Environmental Science – Soil Processes 27 August 2019  https://doi.org/10.3389/fenvs.2019.00111 

Cox, A., G. W. Loomis, and J. A. Amador. 2019. Preliminary evidence that rising groundwater tables threaten coastal septic systems. Journal of Sustainable Water in the Built Environment 5 (4) https://doi.org/10.1061/JSWBAY.0000887

2018

Ross, B. N., G. W. Loomis, K. P. Hoyt, and J. A. Amador. 2018. User-based photometer analysis of effluent from advanced nitrogen-removal onsite wastewater treatment systems. Water, Air, & Soil Pollution 229: 389. https://doi.org/10.1007/s11270-018-4039-z 

Wigginton, S., E. Brannon, P. J. Kearns, B. Lancellotti, A. Cox, G. W. Loomis, and J. A. Amador. 2018. Nitrifying and denitrifying bacterial communities in advanced N-removal onsite wastewater treatment systems. Journal of Environmental Quality 47: 1163-1171. https://doi.org/10.2134/jeq2018.03.0116

Amador, J. A., J. H. Gorres, B. V. Lancellotti, and G. Loomis. 2018. Nitrogen loading from onsite wastewater treatment systems in the Greater Narragansett Bay (Rhode Island, USA) Watershed: Magnitude and reduction strategies. Water, Air, & Soil Pollution 229: 65. https://doi.org/10.1007/s11270-018-3714-4

Cox, A., and J. Amador. 2018. How grazing affects soil quality of soils formed in the glaciated Northeastern United States. Environmental Monitoring and Assessment 190: 159.  https://doi.org/10.1007/s10661-018-6550-5

2017

Long, R. J., R. N. Brown, and J. A. Amador. 2017. Growing food with garbage: Effects of six waste amendments on soil and vegetable crops. HortScience 52: 896–904. https://doi.org/10.21273/HORTSCI11354-16

Lancellotti, B. V., G. Loomis, K. Hoyt, E. Avizinis, and J. A. Amador. 2017. Evaluation of nitrogen concentration in final effluent of advanced nitrogen-removal onsite wastewater treatment systems (OWTS). Water, Air, & Soil Pollution 228: 383-398.  https://doi.org/10.1007/s11270-017-3558-3

Brannon, E., S. Moseman-Valtierra, B. Lancellotti, S. Wigginton, J. A. Amador, J. McCaughey, and G. Loomis. 2017. Comparison of N2O emissions and gene abundances between wastewater nitrogen removal systems. Journal of Environmental Quality 46: 931-938. https://doi.org/10.2134/jeq2017.03.0092

2016

Lancellotti, B. V., R. J. Bercaw, G. W. Loomis, K. P. Hoyt, E. J. Avizinis, and J. A. Amador. 2016. Accuracy of rapid tests used for analysis of advanced onsite wastewater treatment system effluent. Water, Air, & Soil Pollution 227: 310-322.  https://doi.org/10.1007/s11270-016-3023-8

Cooper, J. A., G. W. Loomis, and J. A. Amador. 2016. Hell and high water: Diminished septic system performance in coastal regions due to climate change. PLoS ONE 11: e0162104. https://doi.org/10.1371/journal.pone.0162104

Cooper, J. A., I. Morales, and J. A. Amador. 2016. Nitrogen transformations in different types of soil treatment areas receiving domestic wastewater. Ecological Engineering  94: 22-29. https://doi.org/10.1016/j.ecoleng.2016.05.059

Morales, I., J. Cooper, J. A. Amador, and T. Boving. 2016. Modeling nitrogen losses in conventional and advanced soil-based onsite wastewater treatment systems under current and changing climate conditions. PLoS ONE 11: e0158292. https://doi.org/10.1371/journal.pone.0158292

Possinger, A. R., and J. A. Amador. 2016. A preliminary evaluation of seaweed application effects on soil quality and yield of sweet corn (Zea mays L.). Communications in Soil Science and Plant Nutrition 47: 121-135. https://doi.org/10.1080/00103624.2015.1104338

Amador, J. A., and L. Miles. 2016. Live from Boone Lake: Interdisciplinary Problem-Based Learning meets public science writing. Journal of College Science Teaching 45: 36-42.

2015

Morales, I., J.A. Amador, and T. Boving. 2015.Transport of Escherichia coli in a soil-based wastewater treatment system under simulated climate change conditions. Journal of Environmental Quality 44: 1459-1472. https://doi.org/10.2134/jeq2014.12.0547

Pieper, J.R., R. N. Brown, and J. A. Amador. 2015. Effects of three conservation tillage strategies on yields and soil health in a mixed vegetable production system. HortScience 50: 1770-1776. https://doi.org/10.21273/HORTSCI.50.12.1770

Rozier, R. S., D. Bachoon, J. A. Amador, and J. Dyer. 2015. Evaluation of microbiological water quality in Point Judith Pond (Rhode Island, USA): Quantitation of fecal pollution and presence of human pathogenic bacteria. Open Journal of Water Pollution and Treatment 2: 25-32. https://www.researchgate.net/publication/275225988_Evaluation_of_microbiological_water_quality_in_Point_Judith_Pond_Rhode_Island_USA_Quantitation_of_fecal_pollution_and_presence_of_human_pathogenic_bacteria#fullTextFileContent

Lopez-Rodriguez, G., D. Sotomayor-Ramirez, J. A. Amador, and E.C. Schroeder. 2015. Contribution of nitrogen from litter and soil mineralization to shade and sun coffee (Coffea arabica L.) agroecosystems. Tropical Ecology 56:155-167. https://www.researchgate.net/publication/272020295_Contribution_of_nitrogen_from_litter_and_soil_mineralization_to_shade_and_sun_coffee_Coffea_arabica_L_agroecosystems#fullTextFileContent

Cooper, J. A., G. W. Loomis, D. V. Kalen, and J. A. Amador. 2015. Evaluation of water quality functions of conventional and advanced soil-based onsite wastewater treatment systems. Journal of Environmental Quality 44: 953-962. https://doi.org/10.2134/jeq2014.06.0277

2014

Richard, J. T., D. A. Potts, and J. A. Amador. 2014. Mechanisms of ammonium transformation and loss in intermittently aerated leachfield soil. Journal of Environmental Quality 43: 2130–2136. https://doi.org/10.2134/jeq2014.02.0046

2013

Morales, I., T. B. Boving, J. A. Atoyan, and J. A. Amador. 2014.Transport of pathogen surrogates in soil treatment units: Numerical modeling. Water 6: 818-838. https://doi.org/10.3390/w6040818

Masse, R. J., B. C. Tefft, J. A. Amador, and S. R. McWilliams. 2013. Why woodcock commute: Examining the foraging-benefit and predation-risk hypotheses. Behavioral Ecology 24: 1348-1355. https://doi.org/10.1093/beheco/art073

Atoyan, J. A., A. M. Staroscik, D. R. Nelson, E. L. Patenaude, D. A. Potts, and J. A. Amador. 2013. Microbial community structure of a leachfield soil: Response to intermittent aeration and tetracycline additions. Water 5: 505-524. https://doi.org/10.3390/w5020505

Fetter, J. C., R. N. Brown, and J. A. Amador. 2013. Effectiveness of squid hydrolysate as a home lawn fertilizer. HortScience 48: 380-385.https://doi.org/10.21273/HORTSCI.48.3.380 

Amador, J. A., and H. Mederer. 2013. Migrating successful student engagement strategies to the virtual classroom: Opportunities and challenges using jigsaw groups and Problem-Based Learning. Journal of Online Learning and Teaching 9: 89-105. https://jolt.merlot.org/vol9no1/amador_0313.htm

Amador, J. A., and E. J. Avizinis. 2013. Response of nitrous oxide flux to addition of anecic earthworms to an agricultural field. Open Journal of Soil Science 3: 100-106. http://dx.doi.org/10.4236/ojss.2013.32011

Amador, J. A., K. Winiarski, and D. Sotomayor-Ramirez. 2013. Earthworm communities along a forest-coffee agroecosystem gradient: Preliminary evidence supporting the habitat-dependent feeding hypothesis. Tropical Ecology 54: 365-374. https://www.researchgate.net/publication/286612199_Earthworm_communities_along_a_forest-coffee_agroecosystem_gradient_Preliminary_evidence_supporting_the_habitat-dependent_feeding_hypothesis

Chrysochoou, M., X. Zhang, and J. A. Amador. 2013. Aerobic Cr(VI) reduction by bacteria in culture and soil conditions. Soil and Sediment Contamination 22: 273-287. https://doi.org/10.1080/15320383.2013.726292

2012

Amador, J.A., and J. A. Atoyan. 2012. Structure and composition of leachfield bacterial communities: Role of soil texture, depth and septic tank effluent inputs. Water 4: 737-749. https://doi.org/10.3390/w4030707

Amador, J.A. 2012. Microbial ecology of tropical forest soils. Tropical Ecology 53(2): 183-184.

Fetter, J.C., R.N. Brown, J.H. Gorres, C. Lee, and J.A. Amador. 2012. Nitrate and phosphate leaching under turfgrass fertilized with a squid-based organic fertilizer. Water, Air, & Soil Pollution  223: 1531-1541. https://doi.org/10.1007/s11270-011-0962-y

2011

Atoyan, J. A., E. Herron, and J. A. Amador. 2011. Evaluation of microbiological water quality in the Pettaquamscutt River (Rhode Island, USA) using chemical, molecular and culture-dependent methods. Marine Pollution Bulletin 62: 1577-1583. https://doi.org/10.1016/j.marpolbul.2011.04.032

McCray J.E., M. Geza, K.S. Lowe, M.B. Tucholke, A. Wunsch, S. Roberts, J. Drewes, J. Amador, J. Atoyan, D. Kalen, G. Loomis, T. B. Boving,  and D. Radcliffe. 2011. Quantitative tools to determine the expected performance of wastewater soil treatment units - Guidance manual, toolkit user's guide and visual-graphic tools. Water Intelligence Online, 1476-1777. https://decentralizedwater.waterrf.org/documents/DEC1R06/DEC1R06abc.pdf

2010

Amador, J. A., C. V. Ramos, M. Alfaro, and D. Sotomayor-Ramirez. 2010. Impact of coffee management practices on earthworm populations in Puerto Rico. Caribbean Journal of Science 46: 186-193. https://doi.org/10.18475/cjos.v46i2.a7

Amador, J.A., D. A. Potts, G.W. Loomis, D. V. Kalen, E. L. Patenaude, and J. H. Gorres. 2010. Improvement of hydraulic and water quality renovation functions by intermittent aeration of soil treatment areas in onsite wastewater treatment systems. Water 2: 886-903. https://doi.org/10.3390/w2040886

Gorres, J. H., and J. A. Amador. 2010. Partitioning of habitable pore space in earthworm burrows. Journal of Nematology 42: 68-72. https://journals.flvc.org/jon/article/view/67863

Ramos, C., M. Alfaro, S. Borges and J. A. Amador. 2010. Earthworm taxonomic structure of coffee plantations at three soil associations in Puerto Rico: (Oligochaeta: Glossoscnlecidae, Megascolecidae). Zoology in the Middle East Supplementum 2: 125-131. https://doi.org/10.1080/09397140.2010.10638465

Millar, D., M. Stolt, and J. A. Amador. 2010. Quantification and implications of soil losses from sod production. Soil Science Society of America Journal 74: 892-897. https://doi.org/10.2136/sssaj2009.0239

2008

Patenaude, E. L., Atoyan, J. A., D. A. Potts, and J. A. Amador. 2008. Effects of tetracycline on water quality, soil and gases in aerated and unaerated leachfield mesocosms. Journal of Environmental Science and Health, Part A 43: 1054-1063. https://doi.org/10.1080/10934520802060001

Amador, J. A., D. A. Potts, E. L. Patenaude, and J. H. Gorres. 2008. Effects of sand depth on domestic wastewater renovation in intermittently aerated leachfield mesocosms. ASCE Journal of Hydrologic Engineering 13: 729-734. https://doi.org/10.1061/(ASCE)1084-0699(2008)13:8(729)

Amador, J. A., D. Sotomayor-Ramírez, G. Martínez, L. Chen, and D. Bachoon. 2008. Tracking of human fecal contamination in tropical reservoirs in Puerto Rico. Lakes and Reservoirs: Research and Management 13: 301-317. https://doi.org/10.1111/j.1440-1770.2008.00378.x

2007

Amador, J. A., R. J. Hull, E. L. Patenaude, J. T. Bushoven, and J. H. Görres. 2007. Potential nitrate leaching under common landscaping plants. Water, Air, & Soil Pollution 185: 323-333. https://doi.org/10.1007/s11270-007-9456-3

Amador, J. A., and J. H. Gorres. 2007. Microbiological characterization of the structures built by earthworms and ants in an agricultural field. Soil Biology & Biochemistry 39: 2070-2077. https://doi.org/10.1016/j.soilbio.2007.03.010

Atoyan, J. A., E. L. Patenaude, D. A. Potts, J. A. Amador. 2007. Effects of tetracycline on antibiotic resistance and removal of fecal indicator bacteria in aerated and unaerated leachfield mesocosms. Journal of Environmental Science and Health, Part A 42: 1571-1578. https://doi.org/10.1080/10934520701513498

2006

Amador, J. A., D. A. Potts, M. C. Savin, P. Tomlinson, J. H. Görres, and E. L. Nicosia. 2006. Mesocosm-scale evaluation of faunal and microbial communities of aerated and unaerated leachfield soil. Journal of Environmental Quality 35:1160-1169.  https://doi.org/10.2134/jeq2005.0395

Amador, J. A., J. H. Görres, and M. C. Savin. 2006. Effects of Lumbricus terrestris L. on nitrogen dynamics beyond the burrow. Applied Soil Ecology 33: 61-66. https://doi.org/10.1016/j.apsoil.2005.09.008

Browning, M., D. B. Wallace, C. Dawson, S. R. Alm, and J. A. Amador. 2006. Potential of butyric acid for control of soil-borne fungal pathogens and nematodes affecting strawberries. Soil Biology & Biochemistry 38: 401-404. https://doi.org/10.1016/j.soilbio.2005.05.020

2005

Amador, J. A., and J. H. Görres. 2005. Role of the anecic earthworm Lumbricus terrestris L. in the distribution of plant residue nitrogen in a corn (Zea mays)-soil system. Applied Soil Ecology 30: 203-214.  https://doi.org/10.1016/j.apsoil.2005.02.011

MacElderry, C. F., M. Browning, and J. A. Amador. 2005. Effect of short-chain fatty acids and soil atmosphere on Tylenchorhynchus spp. Journal of Nematology 37: 71-77. https://journals.flvc.org/jon/article/view/67538

Amador, J. A., J. H Görres, and M. C. Savin. 2005. Role of soil water content in the carbon and nitrogen dynamics of Lumbricus terrestris L. burrow soil. Applied Soil Ecology 28: 15-22. https://doi.org/10.1016/j.apsoil.2004.06.009

2004

Potts, D. A., J. H. Görres, E. L. Nicosia, and J. A. Amador. 2004. Effects of aeration on water quality from septic system leachfields. Journal of Environmental Quality 33: 1828-1838. https://doi.org/10.2134/jeq2004.1828 

Browning, M., C. Dawson, S. R. Alm, J. H. Görres, and J. A. Amador. 2004. Differential effects of butyric acid on nematodes from four trophic groups. Applied Soil Ecology 27: 47-54.  https://doi.org/10.1016/j.apsoil.2004.03.005

Amador, J. A., and J. H. Görres. 2004. A Problem-Based Learning approach to teaching introductory soil science. Journal of Natural Resources and Life Sciences Education 33: 21-27.  https://doi.org/10.2134/jnrlse.2004.0021

Savin, M. C., J. H. Görres, and J. A. Amador. 2004. Microbial and microfaunal community dynamics in artificial and Lumbricus terrestris (L.) burrows. Soil Science Society of America Journal 68: 116-124. https://doi.org/10.2136/sssaj2004.1160

2003

Amador, J. A., J. H. Görres, and M. C. Savin. 2003. Carbon and nitrogen dynamics in Lumbricus terrestris (L.) burrow soil: Relationship to plant residues and macropores. Soil Science Society of America Journal 67: 1755-1762.  https://doi.org/10.2136/sssaj2003.1755

2001

Görres, J. H., M. C. Savin, and J. A. Amador. 2001. Soil micropore structure and carbon mineralization in burrows and casts of an anecic earthworm (Lumbricus terrestris). Soil Biology & Biochemistry 33: 1881-1887.  https://doi.org/10.1016/S0038-0717(01)00068-2

Savin, M. C., J. H. Görres, D. A. Neher, and J. A. Amador. 2001. Uncoupling of carbon and nitrogen mineralization: Role of microbivorous nematodes. Soil Biology & Biochemistry 33: 1463-1472.  https://doi.org/10.1016/S0038-0717(01)00055-4

Savin, M. C., J. H. Görres, and J. A. Amador. 2001. Biogeophysical factors influencing soil respiration and mineral nitrogen content in an old field soil. Soil Biology & Biochemistry 33: 429-438. https://doi.org/10.1016/S0038-0717(00)00182-6

2000 

Amador, J. A., Y. Wang, M. C. Savin, and J. H. Görres. 2000. Fine-scale spatial variability of physical and biological soil properties in Kingston, Rhode Island. Geoderma 98: 83-94. https://doi.org/10.1016/S0016-7061(00)00053-7

Bushoven, J. T., Z. Jiang, H. J. Ford, C. D. Sawyer, R. J. Hull, and J. A. Amador. 2000. Stabilization of soil nitrate by reseeding with perennial ryegrass following sudden turf death. Journal of Environmental Quality 29: 1657-1661.  https://doi.org/10.2134/jeq2000.00472425002900050037x

Jiang, Z., J. T. Bushoven, H. J. Ford, C. D. Sawyer, J. A. Amador, and R. J. Hull. 2000. Mobility of soil nitrogen and microbial responses following the sudden death of established turf. Journal of Environmental Quality 29: 1625-1631.  https://doi.org/10.2134/jeq2000.00472425002900050033x

1999

Browning, M., C. Dawson, S. R. Alm, C. F. McElderry, and J. A. Amador. 1999. Effect of carbon amendment and soil moisture on Hoplolaimus galeatus and Tylenchorhynchus spp. Journal of Nematology 31: 445-454. https://jast.modares.ac.ir/files/jast/user_files_749497/archive_global-A-23-1000-5640-cba9605.pdf 

Görres, J. H., M. C. Savin, D. A. Neher, T. R. Weicht, and J. A. Amador. 1999. Grazing in a porous environment. 1. The effect of soil pore structure on C and N mineralization. Plant and Soil  212: 75-83. https://doi.org/10.1023/A:1004694202862 

Neher, D. A., T. R. Weicht, M. C. Savin, J. H. Görres, and J. A. Amador. 1999. Grazing in a porous environment. 2. Nematode community structure. Plant and Soil 212: 85-99. https://doi.org/10.1023/A:1004665120360

1998

Görres, J. H., M. J. DiChiaro, J. B. Lyons, and J. A. Amador. 1998. Spatial and temporal patterns of biological activity in a forest and an old field. Soil Biology & Biochemistry 30: 219-230.  https://doi.org/10.1016/S0038-0717(97)00107-7

Savin, M. C., and J. A. Amador. 1998. Biodegradation of norflurazon in a bog soil. Soil Biology & Biochemistry 30: 275-284. https://doi.org/10.1016/S0038-0717(97)00139-9

Lyons, J. B., J. H. Görres, and J. A. Amador. 1998. Spatial and temporal variability of phosphorus retention in a riparian forest soil. Journal of Environmental Quality 27: 895-903. https://doi.org/10.2134/jeq1998.00472425002700040025x

Ruemmele, B. A., and J. A. Amador. 1998. Turfgrass and soil responses to soil wetting agents. Journal of Turfgrass Management 2: 71-82. https://doi.org/10.1300/J099v02n04_06

Savin, M. C., and J. A. Amador. 1998. Mineralization of norflurazon in a cranberry bog soil: Laboratory evaluations of management practices. Journal of Environmental Quality 27: 1234-1239. https://doi.org/10.2134/jeq1998.00472425002700050031x

1997

Görres, J. H., M. C. Savin, and J. A. Amador. 1997. Dynamics of carbon and nitrogen mineralization, microbial biomass, and nematode abundance within and outside the burrow walls of anecic earthworms Lumbricus terrestris). Soil Science 162: 666-671. https://journals.lww.com/soilsci/abstract/1997/09000/dynamics_of_carbon_and_nitrogen__mineralization,.8.aspx

Amador, J. A., A. M. Glucksman, J. B. Lyons, and J. H. Görres. 1997. Spatial distribution of soil phosphatase activity within a riparian forest. Soil Science 162: 808-825. https://journals.lww.com/soilsci/abstract/1997/11000/spatial_distribution_of_soil_phosphatase_activity.5.aspx

1995

Amador, J. A., and R. D. Jones.  1995.  Carbon mineralization in pristine and   phosphorus-enriched peat soils of the Florida Everglades. Soil Science 159:129- 141. https://journals.lww.com/soilsci/Abstract/1995/02000/CARBON_MINERALIZATION_IN_PRISTINE_AND.8.aspx

1993

Jones, R. D., and J. A. Amador.  1993.  Methane and carbon monoxide production, oxidation, and turnover times in the Caribbean Sea as influenced by the Orinoco River. Journal of Geophysical Research 98(C2): 2353-2359. https://doi.org/10.1029/92JC02769

Moore, W. S., Todd, J. F., Bonilla, J.; Senior, W., Bugden, J., Zafiriou, O., Bidigare, R. R., Ondrusek, M. E., Brooks, J. M., N. V. Blough, Zafiriou, O. C., Farmer, C. T., Moore, C. A., Zika, R. G., Sikorski, R. J., Micinski, C., Ball, L. A., Moffett, J. W., Dister, B., Jones, R. D., Amador, J. A., et al.1993. Photochemical studies of the Eastern Caribbean: An introductory overview. Journal of Geophysical Research 98(C2):2223-2232.  https://doi.org/10.1029/92JC02759  

Amador, J. A., and R. D. Jones.  1993.  Nutrient limitations on microbial respiration in peat soils with different total phosphorus content. Soil Biology & Biochemistry 25: 793-801. https://doi.org/10.1016/0038-0717(93)90125-U

Taylor, B. F., J. A. Amador, and H. S. Levinson.  1993.  Degradation of meta-trifluoromethylbenzoate by sequential microbial and photochemical treatments. FEMS Microbiology Letters 110:213-216. https://doi.org/10.1111/j.1574-6968.1993.tb06322.x

1992

Jones, R. D., and J. A. Amador.  1992.  Removal of total phosphorus and  phosphate by peat soils of the Florida Everglades.Canadian Journal of Fisheries & Aquatic Sciences 49: 577-583. https://doi.org/10.1139/f92-067

Amador, J. A., G. H. Richany, and R. D. Jones.  1992.  Factors affecting phosphate uptake by peat soils of the Florida Everglades. Soil Science 153: 463-470. https://journals.lww.com/soilsci/abstract/1992/06000/factors_affecting_phosphate_uptake_by_peat_soils.5.aspx

1991

Amador, J. A, R. G. Zika, and M. Alexander.  1991.  Degradation of aromatic compounds bound to humic acid by the combined action of sunlight and microorganisms. Environmental Toxicology & Chemistry 10: 475-482. https://doi.org/10.1002/etc.5620100407

1990

Amador, J. A., P. J. Milne, C. A. Moore, and R. G. Zika.  1990. Extraction of chromophoric humic substances from seawater. Marine Chemistry 29: 1-17. https://doi.org/10.1016/0304-4203(90)90002-T

Amador, J. A., and B. F. Taylor. 1990. Coupled metabolic and photolytic pathway for degradation of pyridine-dicarboxylic acids, especially dipicolinic acid. Applied and Environmental Microbiology 56:1352-1356. https://doi.org/10.1128/aem.56.5.1352-1356.1990

1989

Amador, J. A., M. Alexander, and R. G. Zika. 1989. Sequential photochemical and microbial degradation of organic molecules bound to humic acid. Applied and Environmental Microbiology 55: 2843-2849. https://doi.org/10.1128%2Faem.55.11.2843-2849.1989

1988

Taylor, B. F., and J. A. Amador.  1988.  Metabolism of pyridine compounds by phthalate-degrading bacteria. Applied and Environmental Microbiology 54: 2342-2344. https://doi.org/10.1128%2Faem.54.10.2342-2344.1988

Amador, J. A., and M. Alexander. 1988. Effect of humic acids on the mineralization of low concentrations of organic compounds. Soil Biology & Biochemistry 20: 185-191. https://doi.org/10.1016/0038-0717(88)90035-1

1986

Thomas, J. M., J. R. Yordy, J. A. Amador, and M. Alexander.  1986.  Rate of  dissolution and biodegradation of water-insoluble organic compounds. Applied and Environmental Microbiology 52: 290-296. https://doi.org/10.1128/aem.52.2.290-296.1986

Book Chapters

Görres, J. H., and J. A. Amador. 2020. Fauna. In Principles and Applications of Soil Microbiology, 3rd ed. (T. J. Gentry et al., Eds.), Pearson, Upper Saddle River, NJ.

Wigginton, S. K., and J. A. Amador. 2020. Soil Microbial Ecology. In The Handbook of Natural Resources. Taylor & Francis, New York, NY. (In review)

Amador, J. A. 2014. Infiltration Systems and Nitrate Removal, p. 754-757. In Encyclopedia of Natural Resources. Taylor & Francis, New York, NY.

Amador, J.A., and K. M. Torrens. 2012. And in Conclusion…, p. 133-135. In Taking Your Course Online: An Interdisciplinary Journey (K.M. Torrens and J. A. Amador, Eds.) Information Age Publishing, Inc., Charlotte, NC.

Amador, J.A. 2012. Introduction to Soil Science: Transforming a Problem-Based Learning Course to Online, p. 79-91. In Taking  Your Course Online: An Interdisciplinary Journey (K.M. Torrens and J. A. Amador, Eds.) Information Age Publishing, Inc., Charlotte, NC.

Amador, J. A., J. A. Atoyan, T. Boving, D. Kalen, and G. Loomis. 2009. Microorganisms, p. 2-26 - 2-41. In Development of Quantitative Tools to Determine the Expected Performance of Unit Processes in Wastewater Soil Treatment Units: Literature review. Water Environment Research Foundation, Alexandria, VA.  

Amador, J. A., and J. H. Görres. 2004. Fauna, p. 181 - 200. In Principles and Applications of Soil Microbiology, 2nd ed. (D. M. Sylvia et al., eds.), Prentice Hall, Upper Saddle River, NJ.

Görres, J. H., and J. A. Amador. 2004. Spatial variability of soil biological processes, p. 562 - 570. In Encyclopedia of Soils in the Environment, Vol. 3 (D. Hillel, ed.). Elsevier Ltd., Oxford.

Conference Proceedings

Lancellotti, B.V., G. W. Loomis, K. P. Hoyt, E. J. Avizinis, R. J. Bercaw, and J. A. Amador. 2015.  Evaluation of nitrogen removal in advanced onsite wastewater treatment systems within the greater Narragansett Bay watershed. Proceedings of the 2015 NOWRA Onsite Wastewater Mega Conference, Virginia Beach, VA.

Cooper, J.A., G. W. Loomis, and J. A. Amador. 2015.Reduced water quality treatment functions of soil-based onsite wastewater treatment systems due to climate change. Proceedings of the 2015 NOWRA Onsite Wastewater Mega Conference, Virginia Beach, VA.

Amador, J.A., G. Loomis, and D. Kalen. 2014. Soil-Based Onsite Wastewater Treatment and the Challenges of Climate Change. Proceedings of the Soil Science Society of America Onsite Wastewater Conference, Albuquerque, NM.

Boving, T.B., J. A. Amador, J. A. Atoyan, A. Bergstrom, D. Kalen, and G. Loomis. 2010. Simulation of microbial transport in the unsaturated zone of onsite wastewater system soil treatment units. Proceedings of the World Environmental and Water Resources Congress-ASCE, Providence, RI.

Amador, J.A. and J. Atoyan. 2010. Movement of microbial pathogen surrogates in soil treatment units (STUs).

Proceedings of the World Environmental and Water Resources Congress-ASCE, Providence, RI.

Amador, J.A., D. Potts, G. Loomis, D. Kalen, E. Patenaude, and J. Gorres. 2010. Field evaluation of effects of intermittent aeration of soil treatment areas on hydraulic function, water quality and nutrient removal. Proceedings of the World Environmental and Water Resources Congress- ASCE, Providence, RI.

Sotomayor-Ramírez, D., Y. Espinoza, E. Schröder, V. Acosta-Martínez, and J. Amador. 2008. Soil biological community structure in coffee (Coffea arabica L.) agroecosystems in the Caribbean. Proceedings of the 44th Annual Meeting of the Caribbean Food Crop Society, Miami, FL 44(2): 333-345.

Amador, J. A., K. Winiarski, and D. Sotomayor-Ramirez. 2008. Impact of coffee management practices on the soil ecosystem: Earthworm community function. Proceedings of the 44th Annual Meeting of the Caribbean Food Crop Society, Miami, FL 44(2): 356-364.

Potts, D.A., E.L. Patenaude, J.H. Görres, and J.A. Amador. 2008. Wastewater renovation and hydraulic performance of a low profile leaching system. Paper XIV-ITS-08-44. 

Proceedings of the National Onsite Wastewater Recycling Association 17th Annual Technical Education Conference & Exposition, Memphis, TN.

Amador, J. A., D. A. Potts, E. L. Nicosia, and J. H. Görres. 2005. Aeration to improve the water quality and hydraulic functions of septic system leachfields. Proceedings of the 13th Northwest OnSite Wastewater Recycling Association Short Course and Equipment Exhibition, Seattle, WA. 

Major Reports

Amador, J.A., G. Loomis, B. Lancellotti, K. Hoyt, E. Avizinis, and S. Wigginton. 2017. Reducing nitrogen inputs to Narragansett Bay: Optimizing the performance of existing onsite wastewater treatment technologies. Final Report to the Narragansett Bay Estuary Program and the New England Interstate Water Pollution Control Commission, Lowell, MA. 

Amador, J. A.. G. W. Loomis, D. Kalen, E. L. Patenaude, J. H. Gorres, and D. A. Potts. 2007. Evaluation of leachfield aeration technology for improvement of water quality and hydraulic functions in onside wastewater treatment systems. Final Report to the Cooperative Institute for Coastal and Estuarine Environmental Technology (CICEET), NOAA/Univ. of New Hampshire.

Amador, J. A. 2001. Modes of attenuation of organic contaminants found beyond the boundaries of the Picillo Farm site. Report to the Roaring Brook Watershed Association, Greene, RI.

Amador, J. A. 1998. Effects of plant growth and liming on bioremediation of hydrocarbon-contaminated soil. Final Report to Charter International Oil Co., Jacksonville, FL.  

Amador, J. A. 1997. Optimization of tilling rates for bioremediation of hydrocarbon-contaminated soil at the former Northeastern Petroleum terminal. Final Report to Charter International Oil Co., Jacksonville, FL.

General Interest

Hull, R.J., J.A. Amador, H. Liu, and J.C. Fetter. 2012. Do organic nitrogen sources leach less nitrate? Golfdom March, 37-41.

Hull, R.J., and J. A. Amador. 2008. Landscape types influence severity of nitrate leaching. Golfdom April, 89-93.

Görres, J. H. 2002. Earthworms - Our exotic friends? Rhode Island Natural History Survey Newsletter 9: 5-6.     

Hull, R., J. Amador, J. Bushoven, and Z. Jiang. 2001. Does death of turf cause nitrate leaching? Golf Course Management April: 65-68. 

Savin, M. C., and J. A. Amador. 2000. Burrowing a better future: Earthworms and the life of the soil. Rhode Island Natural History Survey Newsletter 7:2-3. 

Amador, J. A. 1998. The impact of global environmental change on soil ecosystems. Maritimes 40: 10-11. 

Amador, J. A. 1997. Soil form follows function. American Nurseryman 186: 64-67. 

Amador, J. A. 1997. Meet a colleague. Agronomy News, April issue.

Lyons, J. B., and J. A. Amador. 1995. Phosphorus removal in riparian buffer zones. RI Water Resources Center Newsletter, Fall issue.

Theses and Dissertations

Duball, C.E. 2017. Environmental impacts of oyster aquaculture on the coastal lagoons of southern Rhode Island. Master’s Thesis, University of Rhode Island, Kingston, RI. 96 pages.

Lancellotti, B.V. 2016. Performance evaluation of advanced nitrogen removal onsite wastewater treatment systems. M. S. Thesis, University of Rhode Island, 95 pages.

Cooper, J. A. 2016. Onsite wastewater treatment systems in a changing climate: Technology robustness and mechanisms. Ph.D. Dissertation, University of Rhode Island, 152 pages.

Waggoner, A. 2016. Response of agricultural soil greenhouse gas fluxes to amendment with residual waste materials. M. S. Thesis, University of Rhode Island, 90 pages.

Morales-Parra, I. 2015. Modeling onsite wastewater treatment system contaminants in current and climate changing conditions. Ph. D. Dissertation, University of Rhode Island, 154 pages.

Long. R. 2015. Organic waste amendments as sources of carbon and fertility for vegetable production. M. S. Thesis, University of Rhode Island, 128 pages.

Possinger, A. R. 2013. Using seaweed as a soil amendment: Effects on soil quality and yield of sweet corn (Zea mays L.). M.S. Thesis, University of Rhode Island, 90 pages.

Becker, A. 2013. Soil quality in Rhode Island pastures grazed by different types of livestock. M. S. Thesis, University of Rhode Island, 86 pages.

Avizinis, E. 2012. Effects of earthworms on methane flux in temperate pastures. M. S. Thesis, University of Rhode Island, 70 pages. 

Fetter, J. C. 2010. Squid hydrolysate as an organic fertilizer for perennial ryegrass (Lolium perenne L.): Effects on turfgrass, soil and water quality. M. S. Thesis, University of Rhode Island, 147 pages.

Richard, J. T. 2008. Fate of ammonium in aerated and conventional septic system leachfield soil using 15N tracer techniques. M. S. Thesis, University of Rhode Island, 62 pages.

Millar, D. J. 2008. Assessment of soil quality in southern New England sod farms. M. S. Thesis, University of Rhode Island, 69 pages.

Patenaude, E. L. 2006. Effects of tetracycline on water quality in conventional and aerated septic system leachfields. M. S. Thesis, University of Rhode Island, 81 pages.

Atoyan, J. A. 2006. Effects of tetracycline on fecal indicator bacteria and microbial community structure in conventional and aerated septic system leachfield soils. M.S. Thesis, University of Rhode Island, 69 pages.

Savin, M. C. 1999. Interaction of pore size distribution, nematodes, and carbon and nitrogen mineralization in soil. Ph. D. Dissertation, University of Rhode Island, 164 pages.

MacElderry, C. F. 1998. The effect of short-chain fatty acids and soil atmosphere on plant parasitic nematodes. M.S. Thesis, University of Rhode Island, 76 pages.

Lyons, J. B. 1996. Temporal and spatial distribution patterns of phosphorus retention and release in riparian forest soils. M. S. Thesis, University of Rhode Island, 99 pages.

Savin, M. C. 1995. Role of edaphic factors and cranberry cultivation practices in the biodegradation of the herbicide norflurazon in a cranberry bog soil. M. S. Thesis, University of Rhode Island, 111 pages.