Ecological Aspects of Amphibian Metamorphosis
- H. Wilbur, J. Collins
- Environmental ScienceScience
- 28 December 1973
It is proposed that as development proceeds, variation in exponential growth coefficients causes a trend from a normal distribution to a skewed distribution of body sizes, and the relation between the ecological model and the physiological mechanisms that initiate metamorphosis can only be suggested.
Regulation of Structure in Complex Systems: Experimental Temporary Pond Communities
- H. Wilbur
- Environmental Science
- 1 October 1987
Results show that biological and environmental factors interact to determine the structure of anuran communities and that Scaphiopus was the species least sensitive to tadpole density and was the competitive dominant in ponds without newts.
EXPERIMENTAL ECOLOGY OF FOOD WEBS: COMPLEX SYSTEMS IN TEMPORARY PONDS
- H. Wilbur
- Biology
- 1 December 1997
This work used a combination of observations of natural ponds, “experimental natural history” of artificial ponds, and controlled experiments in an array of 144 replicate ponds to develop, then test, hypotheses about how the structures of food webs are regulated.
The Evolutionary and Mathematical Demography of the Turtle Chrysemys picta
- H. Wilbur
- Biology
- 1975
A mark—recapture study of a population of painted turtles, Chrysemys picta, started by O. J. Sexton between 1953 and 1957 and continued between 1968 and 1973, interpreted as an adaptation to a highly uncertain probability of nest success and an effective predator defense in the adult stage.
Choice of Oviposition Site by Hyla Chrysoscelis: Role of Predators and Competitors
- W. Resetarits, H. Wilbur
- Environmental Science, Biology
- 1 February 1989
The results emphasize the importance of oviposition site choice in the evolution of reproductive patterns and implicate species avoidance by ovipositing females as a mechanism important in generating variability in ecological communities.
Competition, Predation, and the Structure of the Ambystoma-Rana Sylvatica Community
- H. Wilbur
- Environmental Science
- 1972
Populations of six species of amphibians were manipulated in field enclosures to study the biological tractability of current concepts of the organization of natural communities. Experimental…
Density‐Dependent Aspects of Growth and Metamorphosis in Bufo Americanus
- H. Wilbur
- Biology
- 1977
The mean size at metamorphosis was significantly decreased as the initial density of either Bufo or Rana palustris was increased, and this outcome is interpreted as the result of the effect of density on the growth rate of larvae.
Iteroparity in the variable environment of the salamander Ambystoma tigrinum.
- D. Church, L. Bailey, H. Wilbur, W. Kendall, J. Hines
- Environmental ScienceEcology
- 1 April 2007
Using stochastic simulations of survival and breeding under historical climate conditions, it is found that an interaction between breeding probabilities and mortality limits the probability of multiple breeding attempts differently between the sexes and among populations.
Propagule Size, Number, and Dispersion Pattern in Ambystoma and Asclepias
- H. Wilbur
- Environmental ScienceAmerican Naturalist
- 1 January 1977
The empirical study of life history patterns has revealed a complex of interrelated adaptations that cannot easily be explained by reference to the models of demographers, and some fundamental differences between angiosperms and vertebrates are demonstrated.
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