1989 …2024

Research output per year

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Research Output

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Article
1989

Biology and ecology of the Dusmoecetes Jeannel (Col. Curculionidae) species complex on Marion Island

Chown, S. L. & Scholtz, C. H., 1 Mar 1989, In : Oecologia. 80, 1, p. 93-99 7 p.

Research output: Contribution to journalArticleResearchpeer-review

36 Citations (Scopus)

Cryptogam herbivory in Curculionidae (Coleoptera) from the sub- Antarctic Prince Edward Islands

Chown, S. L. & Scholtz, C. H., 1 Jan 1989, In : Coleopterists Bulletin. 43, 2, p. 165-169 5 p.

Research output: Contribution to journalArticleResearchpeer-review

13 Citations (Scopus)

Habitat use and diet as biogeographic indicators for subantarctic Ectemnorhinini (Coleoptera: Curculionidae)

Chown, S. L., 1 Jan 1989, In : Antarctic Science. 1, 1, p. 23-30 8 p.

Research output: Contribution to journalArticleResearchpeer-review

39 Citations (Scopus)
1990

Possible effects of Quaternary climatic change on the composition of insect communities of the South Indian Ocean Province Islands

Chown, S. L., 1 Jan 1990, In : South African Journal of Science. 86, 7-10, p. 386-391 6 p.

Research output: Contribution to journalArticleResearchpeer-review

41 Citations (Scopus)

Speciation in the sub‐Antarctic weevil genus Dusmoecetes Jeannel (Coleoptera: Curculionidae)

CHOWN, S. L., 1 Jan 1990, In : Systematic Entomology. 15, 3, p. 283-296 14 p.

Research output: Contribution to journalArticleResearchpeer-review

25 Citations (Scopus)
1991

Comparative nutritional ecology of bryophyte and angiosperm feeders in a sub‐Antarctic weevil species complex (Coleoptera: Curculionidae)

CRAFFORD, J. E. & CHOWN, S. L., 1 Jan 1991, In : Ecological Entomology. 16, 3, p. 323-329 7 p.

Research output: Contribution to journalArticleResearchpeer-review

14 Citations (Scopus)
1992

A preliminary analysis of weevil assemblages in the sub-Antarctic: local and regional patterns

Chown, S. L., 1 Jan 1992, In : Journal of Biogeography. 19, 1, p. 87-98 12 p.

Research output: Contribution to journalArticleResearchpeer-review

32 Citations (Scopus)

Water balance and osmoregulation in weevil larvae (Coleoptera: Curculionidae: Brachycerinae) from three different habitats on sub-antarctic Marion Island

Chown, S. L. & van Drimmelen, M., 1 Oct 1992, In : Polar Biology. 12, 5, p. 527-532 6 p.

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)
1993

Climate change and the short-term impact of feral house mice at the sub-Antarctic Prince Edward Islands

Chown, S. L. & Smith, V. R., 1 Dec 1993, In : Oecologia. 96, 4, p. 508-516 9 p.

Research output: Contribution to journalArticleResearchpeer-review

112 Citations (Scopus)

Desiccation resistance in six sub-Antarctic weevils (Coleoptera: Curculionidae): humidity as an abiotic factor influencing assemblage structure

Chown, S. L., 1 Jan 1993, In : Functional Ecology. 7, 3, p. 318-325 8 p.

Research output: Contribution to journalArticleResearchpeer-review

48 Citations (Scopus)

Expansion of host-plant range of a biocontrol agent Trichilogaster acaciaelongifoliae (Pteromalidae) released against the weed Acacia longifolia in South Africa

Dennill, G. B., Donnelly, D. & Chown, S. L., 15 Jan 1993, In : Agriculture, Ecosystems and Environment. 43, 1, p. 1-10 10 p.

Research output: Contribution to journalArticleResearchpeer-review

25 Citations (Scopus)
10 Citations (Scopus)

Respiratory Metabolism of sub-Antarctic insects from different habitats on Marion Island

Crafford, J. E. & Chown, S. L., 1 Jun 1993, In : Polar Biology. 13, 6, p. 411-415 5 p.

Research output: Contribution to journalArticleResearchpeer-review

22 Citations (Scopus)

Temperature regulation in the nocturnal melolonthine Sparrmannia flava

Chown, S. L. & Scholtz, C. H., 1 Jan 1993, In : Journal of Thermal Biology. 18, 1, p. 25-33 9 p.

Research output: Contribution to journalArticleResearchpeer-review

7 Citations (Scopus)
1994

Historical ecology of sub-antarctic weevils (Coleoptera: Curculionidae): Patterns and processes on isolated islands

Chown, S. L., 1 Jan 1994, In : Journal of Natural History. 28, 2, p. 411-433 23 p.

Research output: Contribution to journalArticleResearchpeer-review

65 Citations (Scopus)

Host location and aggregation behaviour in Hylastes angustatus (Herbst) (Coleoptera: Scolytidae)

Erasmus, M. J. & Chown, S. L., 1 Jan 1994, In : African Entomology. 2, 1, p. 7-11 5 p.

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Recently established Diptera and Lepidoptera on sub-Antarctic Marion Island

Chown, S. L. & Language, K., 1 Jan 1994, In : African Entomology. 2, 1, p. 57-60 4 p.

Research output: Contribution to journalArticleResearchpeer-review

30 Citations (Scopus)
1995

Ecophysiology, range contraction and survival of a geographically restricted African dung beetle (Coleoptera: Scarabaeidae)

Chown, S. L., Scholtz, C. H., Klok, C. J., Joubert, F. J. & Coles, K. S., 1 Jan 1995, In : Functional Ecology. 9, 1, p. 30-39 10 p.

Research output: Contribution to journalArticleResearchpeer-review

47 Citations (Scopus)

Phylogeny and systematics of the ectemnorhinus-group of genera (Insecta: Coleóptera)

Kuschel, G. & Chown, S. L., 1 Jan 1995, In : Invertebrate Systematics. 9, 5, p. 841-863 23 p.

Research output: Contribution to journalArticleResearchpeer-review

31 Citations (Scopus)

South African terrestrial zoology: strengths, weaknesses and opportunities

Chown, S. L. & McGeoch, M. A., 1 Jan 1995, In : South African Journal of Science. 91, 4, p. 189-196 8 p.

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)

Temperature effects on locomotor activity rates of sub-Antarctic oribatid mites

Marshall, D. J. & Chown, S. L., 1 Jan 1995, In : Polar Biology. 15, 1, p. 47-49 3 p.

Research output: Contribution to journalArticleResearchpeer-review

10 Citations (Scopus)
1996

Body size and abundance in a dung beetle assemblage: Optimal mass and the role of transients

Chown, S. L. & Steenkamp, H. E., 1 Sep 1996, In : African Entomology. 4, 2, p. 203-212 10 p.

Research output: Contribution to journalArticleResearchpeer-review

17 Citations (Scopus)

Influence of dense stands of an exotic tree, Prosopis glandulosa Benson, on a savanna dung beetle (Coleoptera: Scarabaeinae) assemblage in southern Africa

Steenkamp, H. E. & Chown, S. L., 1 Jan 1996, In : Biological Conservation. 78, 3, p. 305-311 7 p.

Research output: Contribution to journalArticleResearchpeer-review

66 Citations (Scopus)

Kelp degradation by Paractora trichosterna (Thomson) (Diptera: Helcomyzidae) at sub-Antarctic South Georgia

Chown, S. L., 1 Jan 1996, In : Polar Biology. 16, 3, p. 171-178 8 p.

Research output: Contribution to journalArticleResearchpeer-review

15 Citations (Scopus)
1997

Behavioural thermoregulation in the mopane worm (lepidoptera)

Frears, S. L., Chown, S. L. & Webb, P. I., 1 Aug 1997, In : Journal of Thermal Biology. 22, 4-5, p. 325-330 6 p.

Research output: Contribution to journalArticleResearchpeer-review

15 Citations (Scopus)

Changing size and changing enemies: The case of the mopane worm

Gaston, K. J., Chown, S. L. & Styles, C. V., 1 Jan 1997, In : Acta Oecologica. 18, 1, p. 21-26 6 p.

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)

Commentary Priorities for terrestrial Antarctic research

Chown, S. L., Block, W., Vernon, P. & Greenslade, P., 1 Jan 1997, In : Polar Record. 33, 186, p. 187-188 2 p.

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)

Comparative nutritional ecology of grass-feeding in a sub-Antarctic beetle: The impact of introduced species on Hydromedion sparsutum from South Georgia

Chown, S. L. & Block, W., 1 Jul 1997, In : Oecologia. 111, 2, p. 216-224 9 p.

Research output: Contribution to journalArticleResearchpeer-review

25 Citations (Scopus)

Critical thermal limits, temperature tolerance and water balance of a sub-antarctic caterpillar, Pringleophaga marioni (Lepidoptera: Tineidae)

Jaco Klok, C. & Chown, S. L., 1 Jul 1997, In : Journal of Insect Physiology. 43, 7, p. 685-694 10 p.

Research output: Contribution to journalArticleResearchpeer-review

104 Citations (Scopus)

Evidence of competition in a herbivorous, gall-inhabiting moth (Lepidoptera) community

McGeoch, M. A. & Chown, S. L., 1 Jan 1997, In : Oikos. 78, 1, p. 107-115 9 p.

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)

Impact of urbanization on a gall-inhabiting Lepidoptera assemblage: The importance of reserves in urban areas

McGeoch, M. A. & Chown, S. L., 1 Jan 1997, In : Biodiversity and Conservation. 6, 7, p. 979-993 15 p.

Research output: Contribution to journalArticleResearchpeer-review

51 Citations (Scopus)

The influence of habitat and altitude on oxygen uptake in sub-Antarctic weevils

Chown, S. L., Van Der Merwe, M. & Smith, V. R., 1 Jan 1997, In : Physiological Zoology. 70, 1, p. 116-124 9 p.

Research output: Contribution to journalArticleResearchpeer-review

32 Citations (Scopus)

Thermal sensitivity of oxygen uptake of diptera from sub-Antarctic South Georgia and Marion Island

Chown, S. L., 1 Jan 1997, In : Polar Biology. 17, 1, p. 81-86 6 p.

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)

Thermal tolerance limits in six weevil species (Coleoptera, Curculionidae) from sub-antarctic Marion Island

Van der Merwe, M., Chown, S. L. & Smith, V. R., 1 Jan 1997, In : Polar Biology. 18, 5, p. 331-336 6 p.

Research output: Contribution to journalArticleResearchpeer-review

35 Citations (Scopus)

The spatial variability of rare and common species in a gall-inhabiting Lepidoptera community

McGeoch, M. A. & Chown, S. L., Apr 1997, In : Ecography. 20, 2, p. 123-131 9 p.

Research output: Contribution to journalArticleResearchpeer-review

11 Citations (Scopus)

The species-body size distribution: Energy, fitness and optimality

Chown, S. L. & Gaston, K. J., 1 Jan 1997, In : Functional Ecology. 11, 3, p. 365-375 11 p.

Research output: Contribution to journalArticleResearchpeer-review

51 Citations (Scopus)
1998

Biodiversity assessment and conservation strategies

Van Jaarsveld, A. S., Freitag, S., Chown, S. L., Muller, C., Koch, S., Hull, H., Bellamy, C., Krüger, M., Endrödy-Younga, S., Mansell, M. W. & Scholtz, C. H., 27 Mar 1998, In : Science. 279, 5359, p. 2106-2108 3 p.

Research output: Contribution to journalArticleResearchpeer-review

272 Citations (Scopus)

Desiccation resistance and water balance in southern African keratin beetles (Coleoptera, Trogidae): The influence of body size and habitat

Le Lagadec, M. D., Chown, S. L. & Scholtz, C. H., 1 Mar 1998, In : Journal of Comparative Physiology - B Biochemical, Systemic, and Environmental Physiology. 168, 2, p. 112-122 11 p.

Research output: Contribution to journalArticleResearchpeer-review

46 Citations (Scopus)

Ecological biogeography of southern ocean islands: Species-area relationships, human impacts, and conservation

Chown, S. L., Grammen, N. J. M. & Gaston, K. J., 12 Oct 1998, In : American Naturalist. 152, 4, p. 562-575 14 p.

Research output: Contribution to journalArticleResearchpeer-review

238 Citations (Scopus)

Field thermal ecology and water relations of gregaria phase African armyworm caterpillars, Spodoptera exempta (Lepidoptera: Noctuidae)

Klok, C. J. & Chown, S. L., 1 Apr 1998, In : Journal of Thermal Biology. 23, 2, p. 131-142 12 p.

Research output: Contribution to journalArticleResearchpeer-review

7 Citations (Scopus)

Global patterns in species richness of pelagic seabirds: The procellariiformes

Chown, S. L., Gaston, K. J. & Williams, P. H., 1 Jan 1998, In : Ecography. 21, 4, p. 342-350 9 p.

Research output: Contribution to journalArticleResearchpeer-review

32 Citations (Scopus)

Identification and evaluation of priority conservation areas for Buprestidae (Coleoptera) in South Africa, Lesotho, Swaziland and Namibia

Hull, H. E., Freitag, S., Chown, S. L. & Bellamy, C. L., 1 Jan 1998, In : African Entomology. 6, 2, p. 265-274 10 p.

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)

Impact of the introduced grass Agrostis stolonifera on vegetation and soil fauna communities at Marion Island, sub-Antarctic

Gremmen, N. J. M., Chown, S. L. & Marshall, D. J., 1 Sep 1998, In : Biological Conservation. 85, 3, p. 223-231 9 p.

Research output: Contribution to journalArticleResearchpeer-review

71 Citations (Scopus)
65 Citations (Scopus)

Morphological correlates of flightlessness in southern African Scarabaeinae (Coleoptera: Scarabaeidae): Testing a condition of the water-conservation hypothesis

Chown, S. L., Pistorius, P. & Scholtz, C. H., 1 Jan 1998, In : Canadian Journal of Zoology. 76, 6, p. 1123-1133 11 p.

Research output: Contribution to journalArticleResearchpeer-review

22 Citations (Scopus)

Records of alien insect species from sub-antarctic marion and South Georgia islands

Hänel, C., Chown, S. L. & Davies, L., 1 Dec 1998, In : African Entomology. 6, 2, p. 366-369 4 p.

Research output: Contribution to journalArticleResearchpeer-review

18 Citations (Scopus)

The impact of a small, alien invertebrate on a sub-Antarctic terrestrial ecosystem: Limnophyes minimus (Diptera, Chironomidae) at Marion Island

Hänel, C. & Chown, S. L., 1 Jan 1998, In : Polar Biology. 20, 2, p. 99-106 8 p.

Research output: Contribution to journalArticleResearchpeer-review

41 Citations (Scopus)
1999

Assessing the benefits of aggregation: Thermal biology and water relations of anomalous Emperor Moth caterpillars

Klok, C. J. & Chown, S. L., 1 Jun 1999, In : Functional Ecology. 13, 3, p. 417-427 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
73 Citations (Scopus)

Conservation of heterogeneity among dung beetles in the Maputaland Centre of Endemism, South Africa

van Rensburg, B. J., McGeoch, M. A., Chown, S. L. & van Jaarsveld, A. S., May 1999, In : Biological Conservation. 88, 2, p. 145-153 9 p.

Research output: Contribution to journalArticleResearchpeer-review

65 Citations (Scopus)

Discontinuous gas-exchange cycles in Scarabaeus dung beetles (Coleoptera: Scarabaeidae): Mass-scaling and temperature dependence

Davis, A. L. V., Chown, S. L. & Scholtz, C. H., 1 Sep 1999, In : Physiological and Biochemical Zoology. 72, 5, p. 555-565 11 p.

Research output: Contribution to journalArticleResearchpeer-review

57 Citations (Scopus)