| Influence of diet and environmental water on the carbon and oxygen isotopic signatures of seabird eggshell carbonate FC Schaffner, PK Swart Bulletin of Marine Science 48 (1), 23-38, 1991 | 110 | 1991 |
| Food provisioning by white‐tailed tropicbirds: effects on the developmental pattern of chicks FC Schaffner Ecology 71 (1), 375-390, 1990 | 67 | 1990 |
| Trends in Elegant Tern and northern anchovy populations in California FC Schaffner The Condor 88 (3), 347-354, 1986 | 67 | 1986 |
| Reproduction and organochlorine contaminants in terns at San Diego Bay HM Ohlendorf, FC Schaffner, TW Custer, CJ Stafford Colonial Waterbirds, 42-53, 1985 | 48 | 1985 |
| Foraging flights of the white-tailed tropicbird (Phaethon lepturus): radiotracking and doubly-labelled water CJ Pennycuick, FC Schaffner, MR Fuller, HH Obrecht III, L Sternberg Colonial Waterbirds, 96-102, 1990 | 45 | 1990 |
| Environmental management, sustainable development and human health CD CAO Tropical Journal of Pharmaceutical Research 6 (1), 631, 2007 | 36 | 2007 |
| Water trapping by seagrasses occupying bank habitats in Florida Bay GVN Powell, FC Schaffner Estuarine, Coastal and Shelf Science 32 (1), 43-60, 1991 | 33 | 1991 |
| Nest-Site Selection and Nesting Success of White-Tailed Tropicbirds (Phaethon lepturus) at Cayo LuÃs Peña, Puerto Rico FC Schaffner The Auk 108 (4), 911-922, 1991 | 32 | 1991 |
| Egg recognition by elegant terns (Sterna elegans) FC Schaffner Colonial Waterbirds, 25-30, 1990 | 16 | 1990 |
| Feed size and feeding periodicity in pelagic birds: notes on methodology FC Schaffner Colonial Waterbirds, 7-15, 1990 | 15 | 1990 |
| The breeding biology and energetics of the white tailed tropicbird (Phaethon lepturus) at Culebra, Puerto Rico FC Schaffner Jr University of Miami, 1988 | 14 | 1988 |
| Demography of Zenaida Doves on Cayo del Agua, Culebra, Puerto Rico FF Rivera-Milán, FC Schaffner The Condor 104 (3), 587-597, 2002 | 13 | 2002 |
| Identifying nonpoint sources of phosphorus and nitrogen: A case study of pollution that enters a freshwater wetland (Laguna Cartagena, Puerto Rico) YM Sánchez-Colón, FC Schaffner Journal of Water resource and Protection 13 (8), 588-604, 2021 | 10 | 2021 |
| The stable isotopic composition of carbonate (C & O) and the organic matrix (C & N) in waterbird eggshells from South Florida: insights into feeding ecology, timing of egg … GJ Mackenzie, FC Schaffner, PK Swart Hydrobiologia 743, 89-108, 2015 | 10 | 2015 |
| The environment, sustainable development and human wellbeing: An overview MFA Goosen, EN Laboy-Nieves, FC Schaffner, AH Abdelhadi Environmental management, sustainable development and human health, 19-28, 2008 | 9 | 2008 |
| Accelerated terrestrialization of a subtropical lagoon: the role of agency mismanagement FC Schaffner 32nd Annual Conference on Ecosystems Creation and Restoration, 92-100, 2005 | 9 | 2005 |
| Aspects of the reproductive ecology of the Elegant Tern(Sterna elegans) at San Diego Bay FC Schaffner San Diego State University, 1982 | 9 | 1982 |
| Range extension of Cayenne Terns on the Puerto Rico bank FC Schaffner, RL Norton, J Taylor The Wilson bulletin (Wilson Ornithological Society) 98 (2), 317-318, 1986 | 8 | 1986 |
| Royal Tern nesting attempts in California: isolated or significant incidents FC Schaffner Western Birds 16, 71-80, 1985 | 7 | 1985 |
| Aerial tracking of radio-marked White-tailed Tropicbirds over the Caribbean Sea MR Fuller, HH Obrecht III, CJ Pennycuick, FC Schaffner | 6 | 1989 |
