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Community ecology of water-filled tree holes in Panama.
(1999)
Water-filled tree holes are phytotelmata formed when rain collects in branch crotches and other wood-lined cavities. Repeated surveys of natural and artificial water-filled tree holes on Barro Colorado Island (BCI), Panama, ...
Environmental constraints regulating the distribution and abundance of small mammals.
(1999)
I computed 15 landscape variables at four different scales (40 variables total). Cluster analysis of these weighted data produced three multispecies clusters based on associations of species distributions and abundances ...
Status and ecology of Sotalia fluviatilis in the Cayos Miskito Reserve, Nicaragua.
(1999)
In March through May of 1996--98 we conducted research in the Cayos Miskito Reserve, Nicaragua to assess the status, ecology and distribution of Sotalia fluviatilis, a dolphin known from southern Brazil to Honduras. Surveys ...
Movement by three stream dwelling cyprinids (Notropis boops, Campostoma anomalum, and Cyprinella venusta).
(1999)
The effects of riffles as barriers to movement of stream fish were investigated in large, outdoor artificial streams. Rates of movement of three species of minnows (Cyprinidae) (Campostoma anomalum, Cyprinella venusta and ...
The ontogeny of diet in the Mexican spiny-tailed iguana, Ctenosaura pectinata: Physiological mechanisms and ecological consequences.
(1999)
The foraging ecology and digestive physiology of a natural size-structured population of iguanid lizards (Ctenosaura pectinata) was studied through two wet and two dry seasons in a tropical deciduous thorn forest in central ...
Sibling rivalry for milk in northern grasshopper mice (Onychomys leucogaster).
(1999)
This research explores non-aggressive sibling rivalry over milk in a small mammal, the northern grasshopper mouse (Onychomys leucogaster). Food shortages result in sibling rivalry. Pups from the largest litters grew at ...
Ecostystem effects of omnivorous fishes in Lake Texoma (Oklahoma-Texas).
(1999)
I examined the potential effects of benthic omnivorous fishes in reservoir ecosystems. In the first chapter, I examined long-term changes in the total fish assemblage of Lake Texoma based on gill net sampling in 1954, ...