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Genetics in conservation management: Revised recommendations for the 50/500 rules, Red List criteria and population viability analyses
Scaling laws of marine predator search behaviour
Simulations show that predators have higher encounter rates when adopting Lévy-type foraging in natural-like prey fields compared with purely random landscapes, consistent with the hypothesis that observed search patterns are adapted to observed statistical patterns of the landscape.
Blubber and buoyancy: monitoring the body condition of free-ranging seals using simple dive characteristics
- M. Biuw, B. McConnell, C. Bradshaw, H. Burton, M. Fedak
- Environmental ScienceJournal of Experimental Biology
- 1 October 2003
A mechanistic model based on body compositions and morphometrics measured in the field, published values for the density of seawater and various body components, and values of drag coefficients for objects of different shapes was used to examine the theoretical relationships between drift rate and body composition and carried out a sensitivity analysis to quantify errors and biases caused by varying model parameters.
Global evidence that deforestation amplifies flood risk and severity in the developing world
With the wide acceptance of forest‐protection policies in the developing world comes a requirement for clear demonstrations of how deforestation may erode human well‐being and economies. For…
Strength of evidence for density dependence in abundance time series of 1198 species.
It is shown that density dependence is a pervasive feature of population dynamics, and that this holds across widely different taxa, and the value of using multiple modes of analysis to quantify the relative empirical support for a set of working hypotheses that encompass a range of realistic population dynamical behaviors is underscore.
Minimum viable population size: A meta-analysis of 30 years of published estimates
Measuring the Meltdown: Drivers of Global Amphibian Extinction and Decline
Multi-model Bayesian inference reveals that large amphibian species with small geographic range and pronounced seasonality in temperature and precipitation are most likely to be Red-Listed by IUCN and those with restricted ranges should be urgently targeted for conservation.
Loyalty pays: potential life history consequences of fidelity to marine foraging regions by southern elephant seals
Population status, trends and a re-examination of the hypotheses explaining the recent declines of the southern elephant seal Mirounga leonina
An analysis of the relationship between log variance and log abundance for populations of southern and northern elephant seals suggests that interspecific competition is not a significant factor in the decline of the southern elephant seal.
Influence of maternal mass and condition on energy transfer in Weddell seals.
- Kathryn E. Wheatley, C. Bradshaw, L. S. Davis, R. Harcourt, M. Hindell
- Environmental ScienceThe Journal of animal ecology
- 1 May 2006
It appears that for Weddell seals the consequences of environmentally induced variation in food availability are manifested in differences in maternal mass and expenditure during lactation, which translate to changes in pup mass and condition at weaning with potential consequences for future survival and recruitment.