Biblio
. 2016.
“Impact Of Long-Range Transported African Dust On Cloud Water Chemistry At A Tropical Montane Cloud Forest In Northeastern Puerto Rico”. Aerosol and Air Quality Research 16: 653-644.
. 2016. “Impact Of Long-Range Transported African Dust On Cloud Water Chemistry At A Tropical Montane Cloud Forest In Northeastern Puerto Rico”. Aerosol and Air Quality Research 16: 653-664.
. 2016. “Limited Uptake Of Nutrient Input From Sewage Effluent In A Tropical Landscape”. Freshwater Science 35(1): 12-24.
. 2016. “Nitrate Uptake Across Biomes And The Influence Of Elemental Stoichiometry: A New Look At Linx Ii”. Global Biogeochemical Cycles 30(8): 1183–1191. http://onlinelibrary.wiley.com/doi/10.1002/2016GB005468.
. 2016. “Nitrogen Additions Mobilize Soil Base Cations In Two Tropical Forests”. Biogeochemistry 128(1): 67-88. http://dx.doi.org/10.1007/s10533-016-0195-7.
. 2016. “Variation Of Organic Matter Quantity And Quality In Streams At Critical Zone Observatory Watersheds”. Water Resources Research 52(10): 8202–8216. http://onlinelibrary.wiley.com/doi/10.1002/2016WR018970.
. 2016. “Variation Of Organic Matter Quantity And Quality In Streams At Critical Zone Observatory Watersheds”. Agu Publications: 8202-8216.
. 2016. . 2015.
“Neon And Streon: Opportunities And Challenges For The Aquatic Sciences”. Freshwater Science in press. http://www.jstor.org/stable/10.1086/679489.
. 2015. “Effects Of Sewage Effluents On Water Quality In Tropical Streams”. Journal of Environmental Quality 43(6): 2053-2063. https://dl.sciencesocieties.org/publications/jeq/abstracts/43/6/2053.
. 2014. “Improving Automated Phosphorus Measurements In Freshwater: An Analytical Approach To Eliminating Silica Interference”. Limnology and Oceanography-Methods 12: 223-231. http://onlinelibrary.wiley.com/doi/10.4319/lom.2014.12.223/epdf.
. 2014. “Incorporating Urban Infrastructure Into Biogeochemical Assessment Of Urban Tropical Streams In Puerto Rico”. Biogeochemistry 121: 271–286.
. 2014. . 2014.
“Tracking Evolution Of Urban Biogeochemical Cycles: Past, Present, And Future”. Biogeochemistry 121(1): 1-21.
. 2014. “Chemical Constituents In Clouds And Rainwater In The Puerto Rican Rainforest: Potential Sources And Seasonal Drivers”. Atmospheric Environment 68: 208-220. http://ac.els-cdn.com/S1352231012010643/1-s2.0-S1352231012010643-main.pdf?_tid=f56c9c6a-fe43-11e4-a3e5-00000aab0f6c&acdnat=1432053036_52f5c3f380cdeb8a2c8a0670bdc1a582.
. 2013. “Interactions Between Lithology And Biology Drive The Long-Term Response Of Stream Chemistry To Major Hurricanes In A Tropical Landscape”. Biogeochemistry 116: 175–186. http://www.researchgate.net/publication/258161596_Interactions_between_lithology_and_biology_drive_the_long-term_response_of_stream_chemistry_to_major_hurricanes_in_a_tropical_landscape.
. 2013. “Quantifying The Production Of Dissolved Organic Nitrogen In Headwater Streams Using 15N Tracer Additions”. Limnology and Oceanography 58(4): 1271-1285. http://www.treesearch.fs.fed.us/pubs/44613.
. 2013. “Trends In Stream Nitrogen Concentrations For Forested Reference Catchments Across The Usa”. Environmental Research Letters 8(2013): 1-8. http://iopscience.iop.org/1748-9326/8/1/014039.
. 2013. A Caribbean Forest Tapestry: The Multidimensional Nature Of Disturbance And Response. New York, New York: Oxford University Press.
. 2012. “Conceptual Overview Disturbance, Gradients, And Ecological Response”. In A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, . Oxford: University Press, 42-71. https://books.google.com.pr/books?id=i2Q68BSrYcYC&pg=PA42&lpg=PA42&dq=Conceptual+Overview+Disturbance,+Gradients,+and+Ecological+Response&source=bl&ots=nMjFoXDXD6&sig=bIBf3OvqCcBZewvsk4ZITG3GZOc&hl=en&sa=X&ei=bnAKUp-DFsSltAaz1ICwDw&ved=0CEYQ6AEwAw#v=onepa.
. 2012. “Disturbance Regime”. In A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, . Oxford: University Press.
. 2012. “Ecological Paradigms For The Tropics Old Questions And Continuing Challenges”. In A Caribbean forest tapestry: the multidimensional nature of disturbance and response, A Caribbean forest tapestry: the multidimensional nature of disturbance and response, . New York: Oxford University Press. http://www.treesearch.fs.fed.us/pubs/42048.
. 2012. “Ecological Paradigms For The Tropics Old Questions And Continuing Challenges”. In A Caribbean forest tapestry: the multidimensional nature of disturbance and response, A Caribbean forest tapestry: the multidimensional nature of disturbance and response, . New York: Oxford University Press. http://www.treesearch.fs.fed.us/pubs/42048.
. 2012. “Geographic And Ecological Setting Of The Luquillo Mountains”. In A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, . Oxford: University Press, 72-161. http://www.treesearch.fs.fed.us/pubs/42062.
. 2012. “Geographic And Ecological Setting Of The Luquillo Mountains”. In A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, . Oxford: University Press, 72-161. http://www.treesearch.fs.fed.us/pubs/42062.
. 2012. “Long-Term Research In The Luquillo Mountains: Synthesis And Foundations For The Future”. In A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, . New York, NY.: Oxford University Press, 361-441. http://www.treesearch.fs.fed.us/pubs/42108.
. 2012. “Management Implications And Applications Of Long-Term Ecological Research”. In A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, . Oxford: University Press, 305-442. http://books.google.com.pr/books/about/A_Caribbean_Forest_Tapestry.html?id=i2Q68BSrYcYC.
. 2012. “Management Implications And Applications Of Long-Term Ecological Research”. In A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, . Oxford: University Press, 305-442. http://books.google.com.pr/books/about/A_Caribbean_Forest_Tapestry.html?id=i2Q68BSrYcYC.
. 2012. “Response To Disturbance”. In A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, . Oxford: University Press.
. 2012. . 2012.
“When And Where Biota Matter: Linking Disturbance Regimes, Species Characteristics, And Dynamics Of Communities And Ecosystems”. In A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, A Caribbean Forest Tapestry: The Multidimensional Nature of Disturbance and Response, . Oxford: UNiversity Press, 272-295. http://www.treesearch.fs.fed.us/pubs/42105.
. 2012. . 2011.
. 2011.
“Impacts Of Hurricanes On Forest Hydrology And Biogeochemistry.”. In Forest Hydrology and Biogeochemistry: Synthesis of Past Research and Future Directions., Forest Hydrology and Biogeochemistry: Synthesis of Past Research and Future Directions., . Heidelberg, Germany: Springer-Verlag, 643-657. http://link.springer.com/chapter/10.1007/978-94-007-1363-5_32.
. 2011. “An Integrated Conceptual Framework For Long-Term Social-Ecological Research”. Frontiers in Ecology and the Environment 9: 351-357. http://www.treesearch.fs.fed.us/pubs/39928.
. 2011. . 2011.
. 2011.
“Thinking Outside The Channel: Modeling Nitrogen Cycling In Networked River Ecosystems”. Frontiers in Ecology and the Enviroment 9(4): 229 - 238. http://www.fs.fed.us/pnw/pubs/journals/pnw_2011_helton001.pdf.
. 2011. . 2011.
. 2010.
“Denitrification And Total Nitrate Uptake In Streams Of A Tropical Landscape”. Ecological Applications 20(8): 2104-2115. http://www.esajournals.org/doi/full/10.1890/09-1110.1.
. 2010. “Inter-Regional Comparision Of Land Use Effects On Stream Metabolism”. Freshwater Biology 55(9): 1874–1890. http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2427.2010.02422.x/full.
. 2010. . 2010.
“Stream Geochemistry, Chemical Weathering And Co2 Consumption Potential Of Andesitic Terrains, Dominica, Lesser Antilles”. Geochimica et Cosmochimica Acta 74(1): 85-103. http://www.sciencedirect.com/science/article/pii/S0016703709006310.
. 2010. . 2009.
“Controls On Long-Term Root And Leaf Litter Decomposition In Neotropical Forests”. Global Change Biology 15: 1339-1355.
. 2009. “Ecology And Role Of Headwater Streams.”. In Encyclopedia of Inland Waters, Encyclopedia of Inland Waters, . Oxford , U.K: Elsevier, 357-365.
. 2009. “Nitrate Removal In Stream Ecosystems Measured By 15N Addition Experiments: Denitrification”. Limnology and Oceanography 54: 666-680.
. 2009. “Nitrate Removal In Stream Ecosystems Measured By 15N Addition Experiments: Total Uptake”. Limnology and Oceanography 54: 653-665.
. 2009. “Predator-Prey Interactions In River Networks: Comparing Shrimp Spatial Refugia In Two Drainage Basins”. Freshwater Biology 54(2009): 450-465. https://www.researchgate.net/profile/Alan_Covich/publication/235431305_Covich_et_al_2009_Predator-prey_interactions_in_river_networks_FRESHWATER_BIOLOGY_54_450-465/data/02bfe511956d53f9cc000000/Covich-et-al-2009-Predator-prey-interactions-in-river-network.
. 2009. “Distribution And Role Of Mat-Forming Saprobic Basidiomycetes In A Tropical Forest”. In Ecology of Saprobic Basidiomycetes, Ecology of Saprobic Basidiomycetes, . Elsevier Ltd: Academic Press, 195-208.
. 2008. “Spatial And Temporal Variations In Dom Composition In Ecosystems: The Importance Of Long-Term Monitoring Of Optical Properties.”. Journal of Geophysical Research 113(G04032): 1-15. http://coweeta.uga.edu/publications/10387.pdf.
. 2008. “Trends In Above And Belowground Carbon With Forest Regrowth After Agricultural Abandonment In The Neotropics”. In Post-agricultural Succession in the Neotropics, Post-agricultural Succession in the Neotropics, . New York, NY: Springer, 22-72.
. 2008. “Controls On Major Solutes Within The Drainage Network Of A Rapidly Weathering Tropical Watershed”. Water resources research 43(11): 1-9.
. 2007. “Disturbance And Long-Term Patterns Of Rainfall And Throughfall Nutrient Fluxes In A Subtropical Wet Forest In Puerto Rico”. Journal of Hydrology 333: 472-485.
. 2007. . 2006.
“Indirect Upstream Effects Of Dams: Consequences Of Migratory Consumer Extirpation In Puerto Rico”. Ecological Applications 16: 339-352.
. 2006. . 2006.
“Urban Influences On The Nitrogen Cycle In Puerto Rico”. Biogeochemistry 79(1): 109-133.
. 2006. “Carbon And Nitrogen Stoichiometry And Nitrogen Cycling Rates In Streams”. Oecologia 140: 458-467.
. 2004. . 2003.
“Merging Aquatic And Terrestrial Perspectives Of Nutrient Biogeochemistry”. Oecologia 137(4): 485-501.
. 2003. “Can Uptake Length In Streams Be Determined By Nutrient Addition Experiments? Results From An Inter-Biome Comparison Study”. J. North American Benthological Society 21: 544-560.
. 2002. “Characterizing Nitrogen Dynamics, Transport, And Retention In A Tropical Rainforest Stream Using An In Situ 15N Addition”. Freshwater Biology 47: 143-160.
. 2002. “A Cross-System Comparison Of Bacterial And Fungal Biomass In Detritus Pools Of Headwater Stream”. Microbial Ecology 43: 55-66.
. 2002. “N Uptake As A Function Of Concentration In Streams”. J.North American Benthological Society 21: 206-220.
. 2002. “Nutrient Flux From Tropical Rain Forests”. In Kluwer Academic Press, 149-163.
. 2002. . 2001.
. 2001.
“Hurricanes, People, And Riparian Zones: Controls On Nutrient Losses From Forested Caribbean Watersheds”. Forest Ecology and Management 154: 443-451.
. 2001. “Inter-Biome Comparison Of Factors Controlling Stream Metabolism”. Freshwater Biology 46(11): 1503-1517.
. 2001. “Soil Microbial Biomass And Activity In Tropical Riparian Forests”. Soil Biology and Biochemistry 33: 1339-1348.
. 2001. “C And N Dynamics In The Riparian And Hyporheic Zones Of A Tropical Stream, Luquillo Mountains, Puerto Rico”. Journal of the North American Benthological Society 19: 199-214. http://www.researchgate.net/publication/271677447_C_and_N_Dynamics_in_the_Riparian_and_Hyporheic_Zones_of_a_Tropical_Stream_Luquillo_Mountains_Puerto_Rico.
. 2000. “Effects Of Hurricane Disturbance On Stream Water Concentrations And Fluxes In Eight Tropical Forest Watersheds Of The Luquillo Experimental Forest, Puerto Rico”. Journal of Tropical Ecology 16: 189-207.
. 2000. “Effects Of Nutrient Availability And Other Elevational Changes On Bromeliad Populations And Their Invertebrate Communities In A Humid Tropical Forest In Puerto Rico”. Journal of Tropical Ecology 16: 167-188.
. 2000. . 1999.
. 1999.
“A Nitrogen Budget For Late-Successional Hill Slope Tabonuco Forest, Puerto Rico”. Biogeochemistry 46: 85-108. http://www.jstor.org/stable/1469638.
. 1999. . 1999.
“Nitrogen Yields From Undisturbed Watersheds In The America”. Biogeochemistry 46: 149-162. http://cires1.colorado.edu/limnology/pubs/pdfs/Pub144.pdf.
. 1999. . 1999.
“Seasonal Variation Of Tropical Precipitation Chemistry: La Selva, Costa Rica”. Atmospheric Environment 31: 3903-3910.
. 1997. . 1996.
“The Stream Community”. In The food web of a tropical rain forest, The food web of a tropical rain forest, . Chicago, Illinois: University of Chicago Press.
. 1996. “Export Of Nutrients And Major Ions From Caribbean Watersheds”. Journal of the North American Benthological Society 14: 12-20.
. 1995. . 1995.
“Export Of Carbon, Nitrogen, And Major Ions From Three Tropical Montane Watersheds”. Limnology and Oceanography 39: 111-125.
. 1994. “The Importance Of Nutrient Pulses In Tropical Forests”. TREE 9: 384-387.
. 1994. “Solute Deposition From Cloud Water To The Canopy Of A Puerto Rican Montane Forest”. Atmospheric Environment 28: 1773-1780.
. 1994. . 1992.
. 1992.
“Nutrient And Major Element Chemistry Of Caribbean Rain Forest Streams”. Verh. Internat. Verein. Limmol. 24: 1720-1723.
. 1991. “Summary Of Ecosystem-Level Effects Of Caribbean Hurricanes”. Biotropica 23: 373-378.
. 1991. “Influence Of Sea Salt Aerosols And Long Range Transport On Precipitation Chemistry At El Verde, Puerto Rico”. Atmospheric Environment 24: 2813-2821.
. 1990. “General Hydrology And Water Quality Of Layou River In Dokilnica, Buccament River In St. Vincent And Troui'zassee River In St. Lucia, British West Indies” . Tropical Hydrology and 2nd Caribbean Islands Water Resources Congress: 46-49.
. 1985.