Ostertag, R., E. Marin-Spiotta, W. L Silver, and J. Shulten. 2008. “Litterfall And Decomposition In Relation To Soil Carbon Pools Along A Secondary Forest Chronosequence In Puerto Rico”. Ecosystems 11: 701-714.

Ostertag, R., W. L Silver, and A. E Lugo. 2005. “Factors Affecting Mortality And Resistance To Damage Following Hurricanes In A Subtropical Moist Forest”. Biotropica 37: 16-24.

Ostertag, R., F. N Scantena, and W. L Silver. 2003. “Forest Floor Decomposition Following Hurricane Litter Inputs In Several Puerto Rican Forest”. Ecosystems 6: 261-273.

Ortiz-Zayas, J., W.M. Lewis, J.F. Saunders, J.H. McCutchan, and F. N Scantena. 2005. “Metabolism Of A Tropical Rainforest Stream”. Journal of North American Benthological Society 24(4): 769-783.

Ortiz-Zayas, J., E. Cuevas, O. L Mayol-Bracero, L. Donoso, I. Trebs, R. Figueroa, and W. H McDowell. 2006. “Urban Influences On The Nitrogen Cycle In Puerto Rico”. Biogeochemistry 79(1): 109-133.

Ortiz-Zayas, J., J. J Terrasa-Soler, and L. Urbina. 2010. “Historic Water Resources Development In The Río Fajardo Basin, Puerto Rico, And Potential Hydrologic Implications Of Recent Changes In River Management”. In Watersheds: Management, Restoration and Environmental Impact, Watersheds: Management, Restoration and Environmental Impact, ed. C.C. Vaughn. New York, NY: Nova Science Publishers, Inc., 245-268. https://www.novapublishers.com/catalog/product_info.php?products_id=11702.

Ortiz-Zayas, J., and F. N Scantena. 2004. “Integrated Water Resources Management In The Luquillo Mountains, Puerto Rico:an Evolving Process.”. Journal of Water Resources Development. (HELP) 20(3): 387-398.

Ortiz-Zayas, J., and R. Figueroa. 2011. “Los Impactos Ambientales Sobre Ríos Y Quebradas: Un Enfoque Ecohidrológico”. In Impactos ambientales en las islas de  Puerto Rico, Impactos ambientales en las islas de  Puerto Rico, ed. J. Seguinot. San Juan, Puerto Rico: Editorial SM.

Ortiz-Hernandez, M. L. 2008. Master “Comunidades Microbianas Presentes En La Hojarasca A Diferentes Estados De Descomposicion Con O Sin La Apertura Del Dosel Y La Deposicion Del Detrito”. Universidad del Turabo.

Opell, B.D. 1996. “Functional Similarities Of Spider Webs With Diverse Architectures”. The American Naturalist 148(4): 630- 648.

Olander, L., F. N Scantena, and W. L Silver. 1998. “Impacts Of Disturbance Initiated By Road Construction In A Subtropical Cloud Forest In The Luquillo Experimental Forest, Puerto Rico”. Forest Ecology and Management 109: 33-49.

Okie, J., W.A. Gould, and G. González. 2006. “Fine-Scale Patterns In Thaw Depth, Micro-Relief, And Ground Cover On Non-Sorted Circles And Small Patterned Ground Features Along A Climatic Gradient From Low To High Arctic”. http://adsabs.harvard.edu/abs/2006AGUFM.C51A0379O.

Ogle, K., M. Uriarte, J. Thompson, M. H Johnston, M. R Willig, Y. Lin, E. McIntire, and J. K Zimmerman. 2006. “Implications Of Vulnerability To Hurricane Damage For Long-Term Survival Of Tropical Tree Species: A Bayesian Hierarchical Analysis”. In Applications of Computational Statistics in the Environmental Sciences: Hierarchical Bayes and MCMC Methods, Applications of Computational Statistics in the Environmental Sciences: Hierarchical Bayes and MCMC Methods, eds. D. A Clark and Gelfand, A.E. Oxford, UK: Oxford University Press, 98-117.

Odum, H.T., S.J. Doherty, F. N Scantena, and P. Kharecha. 2000. “Emergy Evaluation Of Reforestation Alternatives In Puerto Rico”. Forest Science 46(4): 521-530.

Ocasio-Torres, M.E., T.A. Crowl, and A.M. Sabat. 2015. “Allometric Differences Between Two Phenotypes Of The Amphidromous Shrimp Xiphocaris Elongata”. Journal of Crustacean Biology 35(6): 747-752.

Ocasio-Torres, M.E., T.A. Crowl, and A.M. Sabat. 2014. “Long Rostrum In An Amphidromous Shrimp Induced By Chemical Signals From A Predatory Fish”. Freshwater Science 33(2): 451-458.

Ocasio-Torres, M. E, T. Giray, T. A Crowl, and A. M Sabat. 2015. “Antipredator Defense Mechanism In The Amphidromous Shrimp Xiphocaris Elongata: Rostrum Length”. Journal of Natural History 49: 1493-1506.

Ocasio-Torres, M. E, T. A Crowl, and A. M Sabat. 2015. “Effects Of The Presence Of A Predatory fish And The Phenotype Of Its Prey (A Shredding Shrimp) On Leaf Litter Decomposition”. Freshwater Biology 60: 2286-2296.

O'Dell, T.E., and D. J Lodge. 2004. “Approaches To Sampling Macrofungi”. In Measuring and Monitoring Biological Diversity: Standard Methods for Fungi, Measuring and Monitoring Biological Diversity: Standard Methods for Fungi, ed. G.M. Mueller. Chicago,USA: University of Chicago Press.

O'Connor, P.J. 1998. “Habitat Selection In Inusular Tropical Streams: Macroinvertebrate Responses To A Riparian Invasion By Non-Indigenus Bamboo”. Colorado State University.

O'Connor, P.J., A. Covich, F. N Scantena, and L.L. Loope. 2000. “Non-Indigenous Bamboo Along Head Water Streams Of The Luquillo Mountain, Puerto Rico: Leaf Fall, Aquatic Leaf Decay And Patterns Of Invasion”. Journal of Tropical Ecology 16: 499-516.

O'Connell, C., L. Ruan, and W. L Silver. 2018. “Drought Drives Rapid Shifts In Tropical Rainforest Soil Biogeochemistry And Greenhouse Gas Emissions”. Nature Communicationsvolume 9: 1348. https://www.nature.com/articles/s41467-018-03352-3.

O'Connell, C., L. Ruan, and W. L Silver. 2018. “Drought Drives Rapid Shifts In Soil Biogeochemistry And Greenhouse Gas Emissions In A Wet Tropical Forest”. Nature Communications 9(1348).