Search Results - "Chown, S.L"

Complementary representation and zones of ecological transition by Gaston, K.J, Rodrigues, A.S.L, van Rensburg, B.J, Koleff, P, Chown, S.L

“…Minimum complementary sets of sites that represent each species at least once have been argued to provide a nominal core reserve network and the starting point…”
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Gas exchange characteristics, metabolic rate and water loss of the Heelwalker, Karoophasma biedouwensis (Mantophasmatodea: Austrophasmatidae) by Chown, S.L., Marais, E., Picker, M.D., Terblanche, J.S.

“…This study presents the first physiological information for a member of the wingless Mantophasmatodea, or Heelwalkers. This species shows cyclic gas exchange…”
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Biological survey of the Prince Edward Islands, December 2008 by Cooper, J., Bester, M.N., Chown, S.L., Crawford, R.J.M., Daly, R., Heyns, E., Lamont, T., Ryan, P.G., Shaw, J.D.

“…A biological survey of the Prince Edward Islands took place in December 2008. The survey repeated an earlier survey of the populations of surface-nesting…”
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Impact of the introduced grass Agrostis stolonifera on vegetation and soil fauna communities at Marion Island, sub-Antarctic by Gremmen, N.J.M., Chown, S.L., Marshall, D.J.

“…The grass Agrostis stolonifera L. is the most successful introduced vascular plant at sub-Antarctic Marion Island. Since its accidental introduction, probably…”
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Inertia in physiological traits: Embryonopsis halticella caterpillars (Yponomeutidae) across the Antarctic Polar Frontal Zone by Klok, C.J., Chown, S.L.

“…Geographic variation is characteristic of many physiological traits at the population and species levels. However, several recent studies have suggested that…”
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Choosing the future of Antarctica by Rintoul, S. R., Chown, S. L., DeConto, R. M., England, M. H., Fricker, H. A., Masson-Delmotte, V., Naish, T. R., Siegert, M. J., Xavier, J. C.

“…We present two narratives on the future of Antarctica and the Southern Ocean, from the perspective of an observer looking back from 2070. In the first…”
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Non-indigenous ungulates as a threat to biodiversity by Spear, D, Chown, S.L

“…Non-indigenous ungulate species pose a problem for conservation. They can be socially and economically valuable, but are also potentially harmful to…”
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A review on the status of invasions on sub-Antarctic Marion and Prince Edward Islands by Greve, M., Mathakutha, R., Steyn, C., Chown, S.L.

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Scaling of insect metabolic rate is inconsistent with the nutrient supply network model by CHOWN, S.L, MARAIS, E, TERBLANCHE, J.S, KLOK, C.J, LIGHTON, J.R.B, BLACKBURN, T.M

“…1. The nutrient supply network model of the metabolic theory of ecology predicts that metabolic rate scales as mass⁰·⁷⁵ at all hierarchical levels. 2. An…”
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Testing the thermal melanism hypothesis: a macrophysiological approach by Clusella-Trullas, S, Terblanche, J.S, Blackburn, T.M, Chown, S.L

“…1. The thermal melanism hypothesis (TMH) predicts that dark (low skin reflectance) individuals are at an advantage in cool climates as they heat faster and…”
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Mapping the potential distribution of alien species in the sub-Antarctic by Steyn, C., Greve, M., Le Roux, P.C., Chown, S.L.

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Respiratory water loss in insects by Chown, S.L.

“…The contribution of respiratory transpiration to overall water loss in insects is contentious. Misgivings concerning the importance of this route of water loss…”
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Collembola diversity in the critically endangered Cape Flats Sand Fynbos and adjacent pine plantations by Liu, W.P.A., Janion, C., Chown, S.L.

“…The replacement of indigenous vegetation by commercial alien plantations can strongly affect invertebrate species richness and composition. This has been…”
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Response of African savanna ants to long-term fire regimes by Parr, C.L, Robertson, H.G, Biggs, H.C, Chown, S.L

“…1. Despite the fact that fire is considered an important disturbance in savannas across the world and is used widely as a management tool in conservation…”
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A trait-based approach to understanding plant invasions on the Sub-Antarctic Islands by Mathakutha, R., Steyn, C., Le Roux, P.C., Blom, I., Daru, B., Chown, S.L., Louw, A., Ripley, B., Greve, M.

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Evolutionary responses of discontinuous gas exchange in insects by White, Craig R, Blackburn, Tim M, Terblanche, John S, Marais, Elrike, Gibernau, Marc, Chown, Steven L

“…The discontinuous gas-exchange cycles (DGCs) observed in many quiescent insects have been a cause of debate for decades, but no consensus on their evolutionary…”
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Variation in scorpion metabolic rate and rate-temperature relationships: implications for the fundamental equation of the metabolic theory of ecology by TERBLANCHE, J.S, JANION, C, CHOWN, S.L

“…The fundamental equation of the metabolic theory of ecology (MTE) indicates that most of the variation in metabolic rate are a consequence of variation in…”
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ecological effectiveness of protected areas: a case study for South African birds by Greve, M, Chown, S.L, van Rensburg, B.J, Dallimer, M, Gaston, K.J

“…While the importance of individual protected areas (PAs) to biological conservation is widely acknowledged, rather few empirical studies have explicitly…”
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Acclimation effects on critical and lethal thermal limits of workers of the Argentine ant, Linepithema humile by Jumbam, Keafon R., Jackson, Susan, Terblanche, John S., McGeoch, Melodie A., Chown, Steven L.

“…For the Argentine ant Linepithema humile, bioclimatic models often predict narrower optimal temperature ranges than those suggested by behavioural and…”
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Acclimation effects on thermal tolerances of springtails from sub-Antarctic Marion Island: Indigenous and invasive species by Slabber, Sarette, Roger Worland, M., Petter Leinaas, Hans, Chown, Steven L.

“…Collembola are abundant and functionally significant arthropods in sub-Antarctic terrestrial ecosystems, and their importance has increased as a consequence of…”
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