Search Results - "Ostfeld, R S"

Effects of species diversity on disease risk by Keesing, F, Holt, R.D, Ostfeld, R.S

“…The transmission of infectious diseases is an inherently ecological process involving interactions among at least two, and often many, species. Not…”
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Hosts as ecological traps for the vector of Lyme disease by Keesing, F., Brunner, J., Duerr, S., Killilea, M., LoGiudice, K., Schmidt, K., Vuong, H., Ostfeld, R. S.

“…Vectors of infectious diseases are generally thought to be regulated by abiotic conditions such as climate or the availability of specific hosts or habitats…”
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Spatial and temporal patterns of the emerging tick-borne pathogen Borrelia miyamotoi in blacklegged ticks (Ixodes scapularis) in New York by Keesing, F, McHenry, D J, Hersh, M H, Ostfeld, R S

“…Borrelia miyamotoi, a bacterium that causes relapsing fever, is found in ixodid ticks throughout the northern hemisphere. The first cases of human infection…”
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Pulsed resources and community dynamics of consumers in terrestrial ecosystems by Ostfeld, Richard S., Keesing, Felicia

“…Many terrestrial ecosystems are characterized by intermittent production of abundant resources for consumers, such as mast seeding and pulses of primary…”
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Impacts of large herbivorous mammals on bird diversity and abundance in an African savanna by Ogada, D. L, Gadd, M. E, Ostfeld, R. S, Young, T. P, Keesing, F

“…Large native mammals are declining dramatically in abundance across Africa, with strong impacts on both plant and animal community dynamics. However, the net…”
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Biodiversity and disease risk: the case of lyme disease by Ostfeld, Richard S., Keesing, Felicia

“…Utilitarian arguments concerning the value of biodiversity often include the benefits of animals, plants, and microbes as sources of medicines and as…”
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Biodiversity loss and the rise of zoonotic pathogens by Ostfeld, R.S.

“…The unprecedented loss of biological diversity from anthropogenic causes has profound impacts on human health. One way that biodiversity loss threatens human…”
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Interactions between Mammals and Trees: Predation on Mammal-Dispersed Seeds and the Effect of Ambient Food by K. Lo Giudice, Ostfeld, R. S.

“…The Janzen-Connell escape hypothesis predicts that the success of tree propagules increases with distance from the parent tree. Fleshy fruits that are…”
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Chain Reactions Linking Acorns to Gypsy Moth Outbreaks and Lyme Disease Risk by Jones, Clive G., Ostfeld, Richard S., Richard, Michele P., Schauber, Eric M., Wolff, Jerry O.

“…In eastern U.S. oak forests, defoliation by gypsy moths and the risk of Lyme disease are determined by interactions among acorns, white-footed mice, moths,…”
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Effects of Rodents on Survival of Tree Seeds and Seedlings Invading Old Fields by Ostfeld, Richard S., Manson, Robert H., Canham, Charles D.

“…Tree invasion of old fields is an important process affecting landscape heterogeneity and species diversity, as well as the quality of wildlife habitat, in…”
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Experimental Removal of Strong and Weak Predators: Mice and Chipmunks Preying on Songbird Nests by Schmidt, K. A., Goheen, J. R., Naumann, R., Ostfeld, R. S., Schauber, E. M., Berkowitz, Alan

“…We examined the effects of separate removal experiments of two generalist consumers, the white-footed mouse (Peromyscus leucopus) and the eastern chipmunk…”
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Anthropogenic Disturbances Enhance Occurrence of Cutaneous Leishmaniasis in Israel Deserts: Patterns and Mechanisms by G. Wasserberg, Abramsky, Z., Kotler, B. P., Ostfeld, R. S., I. Yarom, Warburg, A.

“…A continuous and gradual increase in the incidence of cutaneous leishmaniasis (CL) has been reported in southern Israel over the last 20 years. The goal of our…”
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Biodiversity and the Dilution Effect in Disease Ecology by Schmidt, Kenneth A., Ostfeld, Richard S.

“…Many infectious diseases of humans are caused by pathogens that reside in nonhuman animal reservoirs and are transmitted to humans via the bite of an arthropod…”
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Density‐Dependent Processes in Meadow Voles: An Experimental Approach by Ostfeld, Richard S., Canham, Charles D.

“…Patterns of population dynamics are determined by the interaction between density—dependent and density—independent processes. To examine the responsiveness of…”
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Infestation of Peromyscus leucopus and Tamias striatus by Ixodes scapularis (Acari: Ixodidae) in relation to the abundance of hosts and parasites by Schmidt, K.A, Ostfeld, R.S, Schauber, E.M

“…The risk of humans acquiring Lyme disease is a function of the local density of nymphal and adult ticks that are infected with Lyme disease spirochetes. This…”
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The Relationship Between Soil Arthropods and the Overwinter Survival of Ixodes scapularis (Acari: Ixodidae) Under Manipulated Snow Cover by Burtis, J. C., Ostfeld, R. S., Yavitt, J. B., Fahey, T. J.

“…We explored the relationship between the diversity and abundance of the soil arthropod predator community and the overwinter survival of engorged larval Ixodes…”
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Spatial epidemiology: an emerging (or re-emerging) discipline by Ostfeld, Richard S., Glass, Gregory E., Keesing, Felicia

“…Spatial epidemiology is the study of spatial variation in disease risk or incidence. Several ecological processes can result in strong spatial patterns of such…”
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Effects of meadow vole population density on tree seedling survival in old fields by Ostfeld, R.S, Canham, C.D

“…Voles (Mammalia: Arvicolidae) are reported to be key consumers of tree seedlings in some habitats, but their importance in old-field succession is not known…”
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Controlling Lyme disease by modifying the density and species composition of tick hosts by Van Buskirk, Josh, Ostfeld, Richard S.

“…We used computer simulation of Lyme disease to test the hypothesis that infection rates of ticks and risk to humans could be reduced by controlling populations…”
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The fence effect reconsidered [Microtus pennsylvanicus] by Ostfeld, Richard S.

“…The fence effect consists of two related observations: (1) enclosed populations of small mammals grow to abnormally high densities; (2) they then overexploit…”
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