Interspecific competition interacts with the spatial distribution of a palatable grass to reduce its recruitment

Rangeland Ecology and Management

Volumn 58, Issue 4, 2005, Pages 393-399

  Cipriotti, Pablo A ^a   Aguiar, Martín R ^a  

^a UNIVERSIDAD DE BUENOS AIRES   (Argentina)

Author keywords

Associations; Bromus pictus; Climatic variation; Patagonian steppes; Rangelands; Recovery; Refuges; Spatial patterns

Indexed keywords

CLIMATE CHANGE; PALATABILITY; RANGELAND; SPATIAL DISTRIBUTION;

PATAGONIA; SOUTH AMERICA; WESTERN HEMISPHERE; WORLD;

ARIDA; BROMUS; BROMUS PICTUS; OVIS ARIES; POACEAE;

EID: 23744496523     PISSN: 15507424     EISSN: None     Source Type: Journal    
DOI: 10.2111/1551-5028(2005)058[0393:ICIWTS]2.0.CO;2     Document Type: Article

References (52)

1. ADLER, P. B., D. A. RAFF, AND W. K. LAUENROTH. 2001. The effect of grazing on the spatial heterogeneity of vegetation. Oecologia 128:465-479.
2. AGUIAR, M. R., P. A. CIPRIOTTI, W. B. BATISTA, AND A. C. PREMOLI. 1999. Viabilidad de poblaciones de gramíneas patagónicas en peligro de extinción por sobrepastoreo. Libro de resúmenes de la IXX Reunión Argentina de Ecología. Tucumán, Argentina.
3. AGUIAR, M. R., AND O. E. SALA. 1997. Seed distribution constrains the dynamics of the Patagonian steppe. Ecology 78:93-100.
4. AGUIAR, M. R., A. SORIANO, AND O. E. SALA. 1992. Competition and facilitation in the recruitment of seedlings in the Patagonian steppe. Functional Ecology 6:66-70.
5. AGUILERA, M. O., AND W. K. LAUENROTH. 1993. Seedling establishment in adult neighbourhoods: intraspecific constraints in the regeneration of the bunch-grass Bouteloua gracilis. Journal of Ecology 81:253-261.
6. ARCHER, S. 1989. Have southern Texas savannas been converted to woodlands in recent history? American Naturalist 134:545-561.
7. ARCHER, S. 1990. Development and stability of grass/woody mosaics in a subtropical savanna parkland, Texas, U.S.A. Journal of Biogeography 17:453-462.
8. BAKKER, J. P., J. DE LEEUW, AND S. E. van WIEREN. 1983. Micropatterns in grassland vegetation created and sustained by sheep-grazing. Vegetatio 55:153-161.
9. BEECHAM, J. A., S. P. OOM, AND A. J. HESTER. 1999. The role of animal decisions in the development of vegetation mosaics. Heterogeneity in landscape ecology: pattern and scale. Proceedings of the 8th Annual Conference of the International Association for Landscape Ecology; 6-8 September 1999; Bristol, UK. p 121-130.
10. BELSKY, J. A. 1992. Effects of grazing, competition, disturbance and fire on species composition and diversity in grassland communities. Journal of Vegetation Science 3:187-200.
11. BERG, G., P. ESSELINK, M. GROENEWG, AND K. KIEHL. 1997. Micropatterns in Festuca rubra dominated vegetation induced by sheep grazing. Plant Ecology 132:1-14.
12. BONVISSUTO, G., O. MORICZ DE TECSO, O. ASTIBIA, AND J. ANCHORENA. 1983. Resultados preliminares sobre los hábitos dietarios de ovinos en un pastizal semidesértico de Patagonia. Boletín Informativo de Investigación Agropecuaria (INTA) 36:243-253.
13. BROWN, R. J., AND S. ARCHER. 1989. Woody plant invasion of grasslands: establishment of honey mesquite (Prosopis glandulosa) on sites differing in herbaceous biomass and grazing history. Oecologia 80:19-26.
14. CALLAWAY, R. M., Z. KIKVIDZE, AND D. KIKODZE. 2000. Facilitation by unpalatable weeds may conserve plant diversity in overgrazed meadows in the Caucasus Mountains. Oikos 89:275-282.
15. CIPRIOTTI, P. A., AND M. R. AGUIAR. 2005. Effects of grazing on patch structure in a semi-arid two-phase vegetation mosaic. Journal of Vegetation Science 16:57-66.
16. CRAWLEY, M. J. 1990. Rabbit grazing, competition and seedling recruitment in acid grassland. Journal of Applied Ecology 27:803-820.
17. DALE, M. R. T., AND M. W. ZBIGNIEWICZ. 1997. Spatial pattern in boreal shrub communities: effects of a peak in herbivore density. Canadian Journal of Botany 75:1342-1348.
18. DEFOSSE, G. E., R. ROBBERECHT, AND M. B. BERTILLER. 1997. Seedling dynamics of Festuca spp. in a grassland of Patagonia, Argentina, as affected by competition, microsites and grazing. Journal of Range Management 50:73-79.
19. ECCLES, N., B. LAMONT, K. ESLER, AND H. LAMONT. 2002. Relative performance of clumped vs. experimentally isolated plants in a South African winter-rainfall desert community. Plant Ecology 159:117-117.
20. FERNÁNDEZ ALDÚNCIN, R. J., O. E. SALA, AND R. A. GOLLUSCIO. 1991. Woody and herbaceous aboveground production of a Patagonian steppe. Journal of Range Management 44:434-437.
21. FOWLER, N. L. 1986. The role of competition in plant communities in arid and semiarid regions. Annual Review in Ecology and Systematics 17:89-110.
22. FOWLER, N. L. 2002. The joint effects of grazing, competition, and topographic position on six savanna grasses. Ecology 83:2477-2488.
23. GOLDBERG, D. E., AND A. M. BARTON. 1992. Patterns and consequences of interspecific competition in natural communities: field experiments with plants. American Naturalist 139:771-801.
24. GOLDBERG, D. E., T. RAJANIEMI, J. GUREVITCH, AND A. STEWART-OATEN. 1999. Empirical approaches to quantifying interaction intensity: competition and facilitation along productivity gradients. Ecology 80:1118-1131.
25. GOLLUSCIO, R. A., R. J. C. LEÓN, AND S. B. PERELMAN. 1982. Caracterización fitosociológica de la estepa del oeste de Chubut, su relación con el gradiente ambiental. Boletín de la Sociedad Argentina de Botánica 21:299-324.
26. GOLLUSCIO, R. A., AND O. E. SALA. 1993. Plant functional types and ecological strategies in Patagonian forbs. Journal of Vegetation Science 4:839-846.
27. JELTSCH F., S. J. MILTON, W. R. J. DEAN, N. van ROOYEN, AND M. W. HARCOMBE. 1997. Simulated pattern formation around artificial waterholes in the semi-arid Kalahari. Journal of Vegetation Science 8:177-188.
28. JOBBÁGY, E. G., J. M. PARUELO, AND R. J. C. LEÓN. 1995. Estimación del régimen de precipitatción a partir de la distancia a la cordillera en el noroeste de la Patagonia. Ecología Austral 5:47-53.
29. JOBBÁGY, E. G., AND O. E. SALA. 2000. Controls of grass and shrubs aboveground production in the Patagonian steppe. Ecological Applications 10:541-549.
30. LEÓN, R. J. C, D. BRAN, M. COLLANTES, J. M. PARUELO, AND A. SORIANO. 1998. Grandes unidades de vegetación de la Patagonia extra andina. Ecología Austral 8:125-144.
31. MCNAUGHTON, S. J. 1993. Biodiversity and function of grazing ecosystems. In: Shulze and H. A. Mooney [eds.]. Biodiversity and ecosystem function. Berlin, Germany: Springer-Verlag. p 361-383.
32. MILCHUNAS, D. G., W. K. LAUENROTH, P. L. CHAPMAN, AND M. K. KAZEMPOUR. 1989. Effects of grazing, topography, and precipitation on the structure of a semiarid grassland. Vegetatio 80:11-24.
33. MOREHO, A. S., AND R. A. DISTEL. 1997. Competitive interactions between palatable and unpalatable grasses native to a temperate semi-arid grassland of Argentina. Plant Ecology 130:155-161.
34. OESTERHELD, M., J. LORETI, M. SEMMARTIN, AND J. M. PARUELO. 1999. Grazing, fire, and climate effects on primary productivity of grasslands and savannas. In: Walker [ed.]. Ecosystems of disturbed ground. Amsterdam: Elsevier. p 287-306.
35. OESTERHELD, M., AND M. OYARZÁBAL. 2004. Grass-to-grass protection from grazing in a semi-arid steppe. Facilitation, competition, and mass effect. Oikos 107:576-582.
36. OWENS, M. K., AND B. E. NORTON. 1992. Interactions of grazing and plant protection on basin big sagebrush (Artemisia tridentata ssp. tridentata) seedling survival. Journal of Range Management 45:257-262.
37. PAPATHEODOROU, E., J. D. PANTIS, AND G. P. STAMOU. 1993. The effects of grazing on growth, spatial pattern and age structure of Quercus coccifera. Acta Oecologica 14:589-602.
38. PARUELO, J. M., M. R. AGUIAR, AND R. A. GOLLUSCIO. 1988. Soil water availability in the Patagonian arid steppe: gravel content effect. Arid Soil Research Rehabilitation 2:67-74.
39. PERELMAN, S. B., R. J. C. LEÓN, AND J. P. BUSSACCA. 1997. Floristic changes related to grazing intensity in a Patagonian shrub steppe. Ecography 20:400-406.
40. REBOLLO, S., D. G. MILCHUNAS, I. NOY-MEIR, AND P. L. CHAPMAN. 2002. The role of a spiny plant refuge in structuring grazed shortgrass steppe plant communities. Oikos 98:53-64.
41. ROTUNDO, J. L., AND M. R. AGUIAR. 2004. Vertical seed distribution in soil constrains regeneration processes of Bromus pictus in a Patagonian steppe. Journal of Vegetation Science 15:514-522.
42. SCHLESINGER, W. H., J. F. REYNOLDS, G. L. CUNNINGHAM, L. F. HUENNEKE, W. M. JARRELL, V. A. ROSS, AND W. G. WHITFORD. 1990. Biological feedbacks in global desertification. Science 247:1043-1047.
43. SOMLO R., A. PELLIZA, P. WILLEMS, V. NAKAMATSU, AND A MANERO. 1997. Atlas dietario de herbivoros patagónicos. Chubut, Prodesar GTZ-INTA, FAO. p 109.
44. SORIANO, A. 1956. Los distritos florísticos de la provincia Patagónica. Revista de Investigación Agropecuaria 10(4):323-347.
45. SORIANO, A., C. P. MOVIA, AND R. J. C. LEÓN. 1983. Deserts and semideserts of Patagonia. In: N. E. West [ed.]. Temperate deserts and semideserts. Amsterdam: Elsevier Scientific Publishing Company. p 423-457.
46. SORIANO, A., AND O. E. SALA. 1986. Emergence and survival of Bromus setifolius seedlings in different microsites of a Patagonian arid steppe. Israel Journal of Botany 35:91-100.
47. STEEL, R. G. D., AND J. M. TORRIE. 1988. Principles and procedures of statistics. New York, NY: McGraw-Hill. p 622.
48. TIELBÖRGER, K., AND R. KADMON. 2000. Temporal environmental variation tips the balance between facilitation and interference in desert plants. Ecology 81:1544-1553.
49. VAN AUKEN, O. W. 2000. Shrub invasions of North American semiarid grasslands. Annual Review of Ecology and Systematics 31:197-215.
50. WALKER, B. H., D. LUDWIG, C. S. HOLLING, AND R. M. PETERMAN. 1981. Stability of semi-arid savanna grazing systems. Journal of Ecology 69:473-498.
51. WELDEN, C. W., AND W. L. SLAUSON. 1986. The intensity of competition versus its importance: an overlooked distinction and some implications. The Quarterly Review of Biology 61:23-44.
52. WESTOBY, M. 1980. Elements of a theory of vegetation dynamics in arid rangelands. Israel Journal of Botany 28:169-194.