Spatial variation in plant interactions across a severity gradient in the sub-Antarctic

Oecologia

Volumn 155, Issue 4, 2008, Pages 831-844

  Le Roux, Peter C ^a   McGeoch, Melodie A ^a  

^a STELLENBOSCH UNIVERSITY   (South Africa)

Author keywords

Altitudinal gradient; Cinder cone; Facilitation; Spatial association; Stress gradient hypothesis

Indexed keywords

ALTITUDINAL ZONATION; CINDER CONE; ENVIRONMENTAL DISTURBANCE; ENVIRONMENTAL STRESS; HYPOTHESIS TESTING; INTERSPECIFIC INTERACTION; SPATIAL VARIATION; VEGETATION COVER;

ALTITUDE; ANTARCTICA; ARTICLE; BIODIVERSITY; PLANT PHYSIOLOGY; POPULATION DENSITY; STATISTICAL MODEL;

ALTITUDE; ANTARCTIC REGIONS; BIODIVERSITY; LOGISTIC MODELS; PLANT PHYSIOLOGY; POPULATION DENSITY;

ANTARCTICA; INDIAN OCEAN; INDIAN OCEAN ISLANDS; MARION ISLAND; PRINCE EDWARD ISLANDS;

EID: 41149092850     PISSN: 00298549     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00442-007-0954-1     Document Type: Article

References (57)

1. Alftine KJ, Malanson GP (2004) Directional positive feedback and pattern at an alpine tree line. J Veg Sci 15:3-12
2. Arroyo MTK, Cavieres LA, Peñaloza A, Arroyo-Kalin MA (2003) Positive associations between the cushion plant Azorella monantha (Apiaceae) and alpine plant species in the Chilean Patagonian Andes. Plant Ecol 169:121-129
3. Austin MP, Cunningham RB, Fleming PM (1984) New approaches to direct gradient analysis using environmental scalars and statistical curve-fitting procedures. Vegetatio 55:11-27
4. Badano EI, Cavieres LA, Molina-Montenegro MA, Quiroz CL (2005) Slope aspect influences plant association patterns in the Mediterranean matorral of central Chile. J Arid Environ 62:93-108
5. Bate GC, Smith VR (1983) Photosynthesis and respiration in the sub-Antarctic tussock grass Poa cookii. New Phytol 95:533-543
6. Bertness MD, Callaway RM (1994) Positive interactions in communities. Trends Ecol Evol 9:191-193
7. Boelhouwers J, Holness S, Sumner P (2000) Geomorphological characteristics of small debris flows on Junior's Kop, Marion Island, maritime sub-Antarctic. Earth Surf Proc Land 25:341-352
8. Boelhouwers J, Holness S, Sumner P (2003) The maritime sub-Antarctic: a distinct periglacial environment. Geomorphology 52:39-55
9. Brooker RW (2006) Plant-plant interactions and environmental change. New Phytol 171:271-284
10. Brooker RW, Callaghan TV (1998) The balance between positive and negative plant interactions and its relationship to environmental gradients: a model. Oikos 81:196-207
11. Brooker RW et al. (2008) Facilitation in plant communities: the past, the present, and the future. J Ecol 96:18-34
12. Bruno JF, Stachowicz JJ, Bertness MD (2003) Inclusion of facilitation into ecological theory. Trends Ecol Evol 18:119-125
13. Bullock JA, Moy IL (2004) Plants as seed traps: inter-specific interference with dispersal. Acta Oecol 25:35-41
14. Callaway RM (1998) Are positive interactions species-specific? Oikos 82:202-207
15. Callaway RM, Walker LR (1997) Competition and facilitation: a synthetic approach to interactions in plant communities. Ecology 78:1958-1965
16. Callaway RM et al. (2002) Positive interactions among alpine plants increase with stress. Nature 417:844-848
17. Carlsson BÅ, Callaghan TV (1991) Positive plant interactions in tundra vegetation and the importance of shelter. J Ecol 79:973-983
18. Cavieres LA, Arroyo MTK, Peñaloza A, Molina-Montenegro MA, Torres C (2002) Nurse effect of Bolax gummifera cushion plants in the alpine vegetation of the Chilean Patagonian Andes. J Veg Sci 13:547-554
19. Cavieres LA, Badano EI, Sierra-Almeida A, Gomez-Gonzalez S, Molina-Montenegro MA (2006) Positive interactions between alpine plant species and the nurse cushion plant Laretia acaulis do not increase with elevation in the Andes of central Chile. New Phytol 169:59-69
20. Choler P, Michalet R, Callaway RM (2001) Facilitation and competition on gradients in alpine plant communities. Ecology 82:3295-3308
21. Ennos AR (1997) Wind as an ecological factor. Trends Ecol Evol 12:108-111
22. Fehmi JS, Bartolome JW (2001) A grid-based method for sampling and analysing spatially ambiguous plants. J Veg Sci 12:467-472
23. Franks SJ, Peterson CJ (2003) Burial disturbance leads to facilitation among coastal dune plants. Plant Ecol 168:13-21
24. Frenot Y, Gloaguen J-C, Cannavacciuolo M, Bellido A (1998) Primary succession on glacier forelands in the sub-Antarctic Kerguelen Islands. J Veg Sci 9:75-84
25. García LV (2004) Escaping the Bonferroni iron claw in ecological studies. Oikos 105:657-663
26. Gavilán RG, Sanchez-Mata D, Escudero A, Rubio A (2002) Spatial structure and interspecific interactions in Mediterranean high mountain vegetation (Sistema Central, Spain). Israel J Plant Sci 50:217-228
27. Gómez-Aparicio L, Zamora R, Gómez JM, Hódar JA, Castro J, Baraza E (2004) Applying plant facilitation to forest restoration: a meta-analysis of the use of shrubs as nurse plants. Ecol Appl 14:1128-1138
28. Haase P (2001) Can isotropy vs. anisotropy in the spatial association of plant species reveal physical vs. biotic facilitation? J Veg Sci 12:127-136
29. Hacker SD, Gaines SD (1997) Some implications of direct positive interactions for community species diversity. Ecology 78:1990-2003
30. Heilbronn TD, Walton DWH (1984) Plant colonization of actively sorted stone stripes in the subAntarctic. Arctic Alpine Res 16:161-172
31. Holness SD (2004) Sediment movement rates and processes on cinder cones in the maritime Subantarctic (Marion Island). Earth Surf Proc Land 29:91-103
32. Huntley BJ (1970) Altitudinal distribution and phenology of Marion Island vascular plants. Tydsk vir Natuurwetenskap 10:255-262
33. Huntley BJ (1971) Vegetation. In: van Zinderen Bakker EM Sr, Winterbottom JM, Dyer RA (eds) Marion and Prince Edward Islands: report on the South African biological and geological expeditions, 1965-1966. A.A. Balkema, Cape Town, South Africa, pp 98-160
34. Kikvidze Z et al (2005) Linking patterns and processes in alpine plant communities: a global study. Ecology 86:1395-1400
35. Klanderud K, Totland O (2004) Habitat dependent nurse effects of the dwarf-shrub Dryas octopetala on alpine and arctic plant community structure. Ecoscience 11:410-420
36. Lancaster J, Downes BJ (2004) Spatial point pattern analysis of available and exploited resources. Ecography 27:94-102
37. le Roux PC (2008) Climate and climate change. In: Chown SL, Froneman PW (eds) The Prince Edward Islands: land-sea interactions in a changing ecosystem. African SunMedia, Stellenbosch (in press)
38. le Roux PC, McGeoch MA (2008) Changes in climate extremes, variability and signature on sub-Antarctic Marion Island. Clim Change 86:309-329
39. Lortie CJ, Callaway RM (2006) Re-analysis of meta-analysis: support for the stress-gradient hypothesis. J Ecol 94:7-16
40. Maestre FT, Valladares F, Reynolds JF (2005) Is the change of plant-plant interactions with abiotic stress predictable? A meta-analysis of field results in arid environments. J Ecol 93:748-757
41. Maestre FT, Valladares F, Reynolds JF (2006) The stress-gradient hypothesis does not fit all relationships between plant-plant interactions and abiotic stress: further insights from arid environments. J Ecol 94:17-22
42. Michalet R et al. (2006) Do biotic interactions shape both sides of the humped-back model of species richness in plant communities? Ecol Lett 9:767-773
43. Pammenter NW, Drennan PM, Smith VR (1986) Physiological and anatomical aspects of photosynthesis of two Agrostis species at a sub-Antarctic island. New Phytol 102:143-160
44. Perry JN (1998) Measures of spatial pattern for counts. Ecology 79:1008-1017
45. Perry JN, Dixon PM (2002) A new method to measure spatial association for ecological count data. Ecoscience 9:133-141
46. Pugnaire FI, Luque MT (2001) Changes in plant interactions along a gradient of environmental stress. Oikos 93:42-49
47. Quinn GP, Keough MJ (2002) Experimental design and data analysis for biologists, 1st edn. Cambridge University Press, Cambridge
48. Reichman OJ (1984) Spatial and temporal variation of seed distributions in Sonoran Desert soils. J Biogeogr 11:1-11
49. Scheffer M, Holmgren M, Brovkin V, Claussen M (2005) Synergy between small- and large-scale feedbacks of vegetation on the water cycle. Glob Change Biol 11:1003-1012
50. Scott JJ, Bergstrom DM (2005) Vegetation of Heard Island and the McDonald Islands. In: Green K, Woehler EJ (eds) Heard Island: Southern Ocean Sentinel. Surrey Beatty & Sons, Chipping Norton, UK, pp 69-90
51. Smith VR (1987) The environment and biota of Marion Island. S Afr J Sci 83:211-220
52. Smith VR, Mucina L (2006) Vegetation of Marion and Prince Edward Islands. In: Mucina L, Rutherford MC (eds) Vegetation of South Africa, Lesotho and Swaziland: Strelitzia, vol 19. South African National Biodiversity Institute, Pretoria, pp 698-723
53. Smith VR, Steenkamp M (1990) Climatic change and its ecological implications at a sub-Antarctic island. Oecologia 85:14-24
54. Tielbörger K, Kadmon R (2000) Temporal environmental variation tips the balance between facilitation and interference in desert plants. Ecology 81:1544-1553
55. Tirado R, Pugnaire FI (2003) Shrub spatial aggregation and consequences for reproductive success. Oecologia 136:296-301
56. Veblen TT, Ashton DH, Schlegel FM, Veblen AT (1977) Plant succession in a timberline depressed by vulcanism in south-central Chile. J Biogeogr 4:275-294
57. Warren Wilson J (1959) Notes on wind and its effects in Arctic-alpine vegetation. J Ecol 47:415-427