S. Chown

Publications572
h-index92
Citations31,683
Highly Influential Citations1,810
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Insect physiological ecology : mechanisms and patterns
TLDR
Water balance physiology and ecology, a branch of nutrition, and its applications in medicine, show clear trends in human health and disease, and these trends are likely to improve over time.
Thermal tolerance, climatic variability and latitude
TLDR
Findings for insects based on published upper and lower lethal temperature data provide some support for the physiological tolerance assumption associated with Rapoport's rule, but highlight the need for coupled data on species tolerances and range size.
Biological invasions in the Antarctic: extent, impacts and implications
Alien microbes, fungi, plants and animals occur on most of the sub‐Antarctic islands and some parts of the Antarctic continent. These have arrived over approximately the last two centuries,…
Scaling of insect metabolic rate is inconsistent with the nutrient supply network model
TLDR
Data for one of the largest groups of organisms on earth are inconsistent with the nutrient supply network model, but provide support for the cell size alternative.
Critical thermal limits depend on methodological context
TLDR
The results of the present study suggest that the functional thermal range of G. pallidipes in the wild may be much narrower than previously suspected, approximately 20–40°C, and highlights their sensitivity to even moderate temperature variation.
Body size variation in insects: a macroecological perspective
  • S. Chown, K. Gaston
  • Environmental Science, Biology
    Biological reviews of the Cambridge Philosophical…
  • 1 February 2010
TLDR
This review provides a critical and synthetic overview of body size variation in insects from a predominantly macroecological (large‐scale temporal and spatial) perspective and focuses on evolutionary trends, including gigantism, Cope's rule and the rates at which size change has taken place.
Vulnerability of South African animal taxa to climate change
The responsiveness of South African fauna to climate change events is poorly documented and not routinely incorporated into regional conservation planning. We model the likely range alterations of a…
Phenotypic variance, plasticity and heritability estimates of critical thermal limits depend on methodological context
TLDR
Different rates of temperature change resulted in different phenotypic variances and different estimates of heritability, presuming that genetic variance remains constant among traits and species.
Heat freezes niche evolution.
TLDR
Thermal tolerances of a large number of terrestrial ectotherm, endotherm and plant species worldwide are analysed, and it is shown that tolerance to heat is largely conserved across lineages, while tolerance to cold varies between and within species.
Ecological Biogeography of Southern Ocean Islands: Species‐Area Relationships, Human Impacts, and Conservation
TLDR
The relationships between physical variables and species richness of vascular plants, insects, land and seabirds, and mammals were reexamined and suggested that larger islands attract more human occupants, increasing the risk of propagule transfer, while temperature increases the chance of propagules establishment.
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