How sampling effort affects biodiversity measures in an arid succulent karoo biodiversity hotspot

African Journal of Ecology

Volumn 46, Issue 4, 2008, Pages 488-499

  Burke, Antje ^a  

^a EnviroScience   (Namibia)

Author keywords

Arid environment; Biodiversity indicator; Conservation planning; Namibia; Ordination; Plant diversity; Southern Africa; Southern Namib Desert; Sperrgebiet

Indexed keywords

ARID ENVIRONMENT; BIODIVERSITY; CONSERVATION PLANNING; ENDEMIC SPECIES; LANDSCAPE; PERENNIAL PLANT; SPECIES RICHNESS; VEGETATION;

AFRICA; KARAS; NAMIBIA; SOUTHERN AFRICA; SPERRGEBIET; SUB-SAHARAN AFRICA;

EID: 57449092542     PISSN: 01416707     EISSN: 13652028     Source Type: Journal    
DOI: 10.1111/j.1365-2028.2007.00884.x     Document Type: Article

References (74)

1. Balmford, A. (1998) On hotspots and the use of indicators for reserve selection. Trends Ecol. Evol. 13, 409.
2. Bond, W.J. (1993) Keystone species. In : Biodiversity and Ecosystem Function (Ed. E. O. Schulze H. A. Mooney). Ecological Studies 99, Springer Verlag, Berlin.
3. Brown, J.H., Mehlman, D.W. Stevens, C.G. (1995) Spatial variation in abundance. Ecology 76, 2028 2043.
4. Burke, A. (2001) Determinants of inselberg floras in arid Nama Karoo landscapes. J. Biogeogr. 28, 1211 1220.
5. Burke, A. (2002) Plant communities of a central Namib desert inselberg landscape. J. Veg. Sci. 13, 483 492.
6. Burke, A. (2004) A preliminary account of patterns of endemism in Namibia's Sperrgebiet, succulent karoo. J. Biogeogr. 31, 1613 1622.
7. Burke, A. (2005) Biodiversity patterns in arid, variable environments - a case study of central Namib inselbergs and mountain floras. Mt. Res. Dev. 25, 228 234.
8. Burke, A. (2006) The Sperrgebiet - Managing its Biodiversity. EnviroScience & Namibia Nature Foundation, Oranjemund & Windhoek.
9. Burke, A. Mannheimer, C. (2004) Plant species of the Sperrgebiet (Diamond Area 1). Dinteria 29, 79 109.
10. Burke, A., Cooper, T. Noli, D. (2004) Initial results determining spatial and temporal patterns of rainfall in the Sperrgebiet, south-west Namibia. J. Namibia Sci. Soc. 52, 117 122.
11. Carr, M.R. (1997) PRIMER User Manual. Plymouth Routines in Multivariate Ecological Research, Plymouth Marine Laboratory, Plymouth, MA.
12. Cavieres, L.A., Arroyo, M.T.K., Posadas, P., Marticorena, C., Matthei, O., Rodriguez, R., Squeo, F.A. Arancio, G. (2002) Identification of priority areas for conservation in an arid zone: application of parsimony analysis of endemicity in the vascular flora of the Antofagasta region, northern Chile. Biodivers. Conserv. 11, 1301 1311.
13. Clarke, K.R. Warwick, R.M. (1994) Change in Marine Communities: An Approach to Statistical Analysis and Interpretation. Plymouth Marine Laboratory, Plymouth, MA.
14. Condit, R., Pitman, N., Leight, E.G., Chave, J., Terborgh, J., Foster, R.B., Nunez, P.V., Aguilar, S., Valencia, R., Villa, G., Muller-Landau, H.C., Losos, E. Hubbel, S.P. (2002) Beta-diversity in tropical forest trees. Science 295, 666 669.
15. Connor, E.F. Simberloff, D.S. (1978) Species number and compositional similarity of the Galapagos flora and avifauna. Ecol. Monogr. 48, 219 248.
16. Cooper, M.I. Du Plessis, M.A. (1998) Biodiversity hotspots in the developing world. Trends Ecol. Evol. 13, 409.
17. Cowling, R.M. Hilton-Taylor, C. (1997) Phytogeography, flora and endemism. In : Vegetation of southern Africa (Eds R. M. Cowling, D. M. Richardson S. M. Pierce). Cambridge University Press, Cambridge.
18. Cowling, R.M., Pressey, R.L., Lombard, A.T., Desmet, P.G. Ellis, A.G. (1999) From representation to persistence: requirements for a sustainable system of conservation areas in the species-rich mediterranean climate desert of southern Africa. Divers. Distrib. 5, 51 71.
19. Crawley, M.J. (1997) The structure of plant communities. In : Plant Ecology, 2nd edn (Ed. M. J. Crawley). Blackwell, Oxford, London.
20. Crisp, M.D., Laffan, S.W., Linder, H.P. Monro, A. (2001) Endemism in the Australian flora. J. Biogeogr. 28, 183 198.
21. Desmet, P.G. Cowling, R.M. (1999) Biodiversity, habitat and range-size aspects of a flora from a winter rainfall desert in the north-western Namaqualand, South Africa. Plant Ecol. 142, 23 33.
22. Dunning, J.B., Danielson, B.J. Pullinam, H.R. (1992) Ecological processes that affect populations in complex landscapes. Oikos 65, 169 175.
23. Evenari, M. (1985) Adaptations of plants and animals to the desert environment. In : Ecosystems of the World, Vol. 12A (Eds M. Evenari, I. Noy-Meir D. W. Goodall). Elsevier Publishers, Amsterdam.
24. Faith, D.P., Minchin, P.R. Belbin, I. (1987) Compositional dissimilarity as a robust measure of ecological distance. Vegetatio 69, 57 68.
25. Gibbs Russell, G.E., Watson, L., Koekemoer, M., Smook, L., Barker, N.P., Anderson, H.M. Dallwitz, M.J. (1991) Grasses of Southern Africa. Mem. Bot. Surv. No. 58, Botanical Research Institute of South Africa, South Africa.
26. Gioia, P. Pigott, J.P. (2000) Biodiversity assessment: a case study in predicting richness from the potential distributions of plant species in the forests of south-western Australia. J. Biogeogr. 27, 1065 1078.
27. Goodwin, B.J. (2003) Is landscape connectivity a dependent or independent variable? Landscape Ecol. 18, 687 699.
28. Grubb, P. (2003) Interpreting some outstanding features of the flora and vegetation of Madagascar. Perspect. Plant Ecol. Evol. Syst. 6, 125 146.
29. Günster, A. (1995) The multiseasonal desert plant Codon royenii. Cimbebasia 14, 23 30.
30. Hadley, N.F. Szarek, S.R. (1981) Productivity of desert ecosystems. BioScience 31, 747 753.
31. Hochstrasser, T., Kroel-Dulay, G., Peters, D.P.C. Gosz, J.R. (2002) Vegetation and climate characteristics of arid and semi-arid grasslands in North America and their biome transition zone. J. Arid Environ. 51, 55 78.
32. Holt, R.D. Keitt, T.H. (2005) Species' borders: a unifying theme in ecology. Oikos 108, 3 6.
33. Hortal, J. Lobo, J.M. (2005) An ED-based protocol for optimal sampling of biodiversity. Biodivers. Conserv. 14, 2913 2947.
34. Hortal, J., Borges, P.A.V. Gaspar, C. (2006) Evaluating the performance of species richness estimators: sensitivity to sample grain size. J. Anim. Ecol. 75, 274 287.
35. Huenneke, L.F., Anderson, J.P., Remmenga, M. Schlesinger, W.H. (2002) Desertification alters patterns of aboveground net primary production in Chihuahuan ecosystems. Glob. Change Biol. 8, 247 264.
36. Japson, P. Canney, S. (2001) Biodiversity hotspots: hot for what? Glob. Ecol. Biogeogr. 10, 225 227.
37. Kadmon, R. Danin, A. (1997) Floristic variation in Israel: a GIS analysis. Flora 192, 341 345.
38. Keeley, J.E. Fotheringham, C.J. (2003) Species-area relationships in Mediterranean-climate plant communities. J. Biogeogr. 30, 1629 1657.
39. Kent, M. Coker, P. (1992) Vegetation Description and Analysis. John Wiley & Sons, New York.
40. Kier, G., Mutke, J., Dinerstein, E., Ricketts, T.H., Kuper, W., Kreft, H. Barthlott, W. (2005) Global patterns of plant diversity and floristic knowledge. J. Biogeogr. 32, 1107 1116.
41. Kluth, C. Bruelheide, H. (2004) Using standardized sampling designs from population ecology to assess biodiversity patterns of therophyte vegetation across scales. J. Biogeogr. 31, 363 377.
42. Kruckeberg, A.R. Rabinowitz, D. (1985) Biological aspects of endemism in higher plants. Annu. Rev. Ecol. Syst. 16, 447 479.
43. Kueper, W., Sommer, J.H., Lovett, J.C. Barthlott, W. (2006) Deficiency in African plant distribution data- missing pieces of the puzzle. Bot. J. Linn. Soc. 150, 355 368.
44. La Ferla, B., Taplin, J., Ockwell, D. Lovett, J.C. (2002) Continental scale patterns of biodiversity: can higher taxa accurately predict African plant distributions? Bot. J. Linn. Soc. 138, 225 235.
45. Lancaster, J., Lancaster, N. Seely, M.K. (1984) Climate of the central Namib Desert. Madoqua 14, 5 61.
46. Linder, P.H. (1994) A proposed index of biodiversity. Strelitzia 1, 211 220.
47. Linder, P. (2001) Plant diversity and endemism in sub-Saharan tropical Africa. J. Biogeogr. 28, 169 182.
48. Lovett, J.C., Rudd, S., Taplin, J. Frimodt-Moller, C. (2000) Patterns of plant diversity in Africa south of the Sahara and their implications for conservation management. Biodivers. Conserv. 9, 33 42.
49. Manrique, C.E., Duran, R. Argaez, J. (2003) Phytogeographic analysis of taxa endemic to the Yucatan Peninsula using geographic information systems, the domain heuristic method and parsimony analysis of endemicity. Divers. Distrib. 9, 313 330.
50. Margules, C.R. Pressey, R.L. (2000) Systematic conservation planning. Nature 405, 243 253.
51. McAuliffe, J.R. (1994) Landscape evolution, soil formation and ecological patterns and processes in Sonoran Desert bajadas. Ecol. Monogr. 64, 111 148.
52. Mendelsohn, J., Jarvis, A., Roberts, C. Robertson, T. (2002) Atlas of Namibia. David Philip Publishers, Cape Town.
53. Mutke, J., Kier, G., Braun, G., Schultz, C. Barthlott, W. (2002) Patterns of African vascular plant diversity - a GIS based analysis. Syst. Geogr. Plants 71, 1125 1136.
54. Myers, N., Mittermeier, R.A., Mittermeier, C.G., Da Fonseca, G.A.B. Kent, J. (2000) Biodiversity hotspots for conservation priorities. Nature 40, 853 858.
55. Noy-Meir, I. (1973) Desert ecosystems: environment and producers. Annu. Rev. Ecol. Syst. 5/4, 25 51.
56. O'Brien, E.M. (1998) Water-energy dynamics, climate, and prediction of woody plant species richness: an interim general model. J. Biogeogr. 25, 379 398.
57. Perry, J.N., Liebhold, M., Rosenberg, M.S., Dungan, J., Mirti, M., Jakomulska, A. Citron-Pousty, S. (2002) Illustrations and guidelines for selecting statistical methods for quantifying spatial pattern in ecological data. Ecography 25, 578 600.
58. Pielou, E.C. (1969) An Introduction to Mathematical Ecology. Wiley, New York.
59. Rahbek, C. (2005) The role of spatial scale and the perception of large-scale species-richness patterns. Ecol. Lett. 8, 224 239.
60. Reid, W.V. (1998) Biodiversity hotspots. Trends Ecol. Evol. 13, 275 279.
61. Reyers, B. van Jaarsveld, A.S. (2000) Assessment techniques for biodiversity surrogates. S. Afr. J. Sci. 96, 406 408.
62. Rosenzweig, M.L. (1995) Species Diversity in Space and Time. Cambridge University Press, Cambridge.
63. Schall, J.J. Pianka, E.R. (1978) Geographic trends in number of species. Science 201, 679 686.
64. Shmida, A. Wilson, M.V. (1985) Biological determinants of species diversity. J. Biogeogr. 12, 1 20.
65. Small, C.J. McCarthy, B.C. (2002) Spatial and temporal variability of herbaceous vegetation in an eastern deciduous forest. Plant Ecol. 164, 37 48.
66. Soederstroem, B., Svennsson, B., Vessby, K. Glimskaer, A. (2001) Plants, insects and birds in semi-natural pastures in relation to local habitat and landscape factors. Biodivers. Conserv. 10, 1839 1863.
67. Steffan-Dewenter, I., Muenzenberg, U., Buerger, C., Thies, C. Tscharntke, T. (2003) Scale-dependent effects of landscape context on three pollinator guilds. Ecology 83, 1421 1432.
68. Taplin, R.D. Lovett, J.C. (2003) Can we predict centres of pant species richness and rarity from environmental variables in sub-Saharan Africa? Bot. J. Linn. Soc. 142, 187 197.
69. Thompson, G.G., Thompson, S.A., Withers, P.C. Fraser, J. (2007) Determining adequate trapping effort and species richness unsing species accumulation curves for environmental impact assessments. Austral. Ecol. 32, 570 580.
70. Thuiller, W., Midgley, G.F., Rouget, M. Cowling, R. (2006) Predicting patterns of plant species richness in megadiverse South Africa. Ecography 29, 733 744.
71. Wagner, H.H. Edwards, P.J. (2001) Quantifying habitat specificity to assess the contribution of a patch to species richness at a landscape scale. Landscape Ecol. 16, 121 131.
72. Westbrooke, M. Singareyer, F. (2005) Rainfall-driven episodic flood events: are they a major factor in moulding New South Wales arid land vegetation patterns? Aust. Geogr. 36, 171 181.
73. Whittaker, R.J., Willis, K.J. Field, R. (2001) Scale and species richness: towards a general hierarchical theory of species diversity. J. Biogeogr. 28, 453 470.
74. Williamson, G. (1997) Preliminary account of the Floristic Zones of the Sperrgebiet (Protected Diamond Area) in southwest Namibia. Dinteria 25, 1 68.