Requirement of vegetation gaps for seedling establishment of two unpalatable grasses in a native grassland of central Argentina

Austral Ecology

Volumn 23, Issue 5, 1998, Pages 419-423

  Moretto, Alicia S ^a   Distel, Roberto A ^a  

^a UNIVERSIDAD NACIONAL DEL SUR   (Argentina)

Author keywords

Seedling establishment; Stipa clarazii; Stipa gynerioides; Stipa tenuissima; Unpalatable grasses

Indexed keywords

EID: 18044367713     PISSN: 14429985     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1442-9993.1998.tb00749.x     Document Type: Article

References (20)

1. Aguilera M. O. & Lauenroth W. K. (1993) Seedling establishment in adult neighbourhoods - intraspecific constraints in the regeneration of the bunchgrass Bouteloua gracilis. J. Ecol. 81, 253-61.
2. Aguilera M. O. & Lauenroth W. K. (1995) Influence of gap disturbances and type of microsites on seedling establishment in Bouteloua gracilis. J. Ecol. 83, 87-97.
3. Anderson V. J. & Briske D. D. (1995) Herbivore-induced species replacement in grasslands: Is it driven by herbivory tolerance or avoidance? Ecol. Appl. 5, 1014-24.
4. Bóo R. M., Lindstrom L. I., Elía O. R. & Mayor M. D. (1993) Botanical composition and seasonal trends of cattle diet in central Argentina. J. Range Manage. 46, 479-82.
5. Burke M. J. W. & Grime J. P. (1996) An experimental study of plant community invasibility. Ecology 77, 776-90.
6. Cano E. (1975) Pastizales en la región central de la provincia de La Pampa. IDIA julio-septiembre, 1-15.
7. Cook S. J. & Ratcliff D. (1984) A study of the effects of root and shoot competition on the growth of green panic (Panicum maximum var. trichoglume) seedlings in an existing grassland using root exclusion tubes. J. Appl. Ecol. 21, 971-82.
8. Distel R. & Bóo R. (1996) Vegetation states and transitions in temperate semiarid rangelands of Argentina. In: Rangelands in a Sustainable Biosphere (ed. N. E. West), pp. 117-118. Society for Range Management, Denver.
9. Distel R. A., Peléez D. V. & Fernández O. A. (1992) Germination of Piptochaetium napostaense (Speg.) Hackel and Stipa tenuis Phil. & seedling survival under field conditions. Rangel. J. 14, 49-55.
10. Grime J. P. (1979) Plant Strategies and Vegetation Processes. Wiley & Sons, Chichester.
11. Hagon M. W. (1976) Germination and dormancy of Themeda australis, Danthonia spp., Stipa bigeniculata and Bothriochha macra. Aust. J. Bot. 24, 319-27.
12. Harper J. L. & White J. (1974) The demography of plants. Annu. Rev. Ecol. Syst. 5, 419-63.
13. Llorens E. M. (1995) Viewpoint: The state and transition model applied to the herbaceous layer of Argentina's caldén forest. J. Range Manage. 48, 442-7.
14. Maguire J. D. (1962) Speed of germination - Aid in selection and evaluation for seedling emergence and vigor. Crop Sci. 2, 176-7.
15. Milton S. J., Dean W. R. J., du Plessis M. A. & Siegfried W. L. (1994) A conceptual model of arid rangeland degradation. Bioscience 44, 70-6.
16. Moretto A. S. & Distel R. A. (1997) Competitive interactions between palatable and unpalatable grasses native to a temperate semi-arid grassland of Argentina. Plant Ecol. 130, 155-61.
17. Noy-Meir I. & Walker B. H. (1986) Stability and resilience in rangelands. In: Rangelands: a Resource Under Siege (ed. P. J. Joss, P. W. Lynch & O. B. Williams), pp. 21-25. Australian Academy of Science, Canberra.
18. Silvertown J. W. & Smith B. (1989) Mapping the microenvironment for seed germination in the field. Ann. Bot. 63, 163-7.
19. Solbrig O. T. & Solbrig D. J. (1985) Size inequalities and fitness in plant population. Top. Evol. Biol. 1, 141-59.
20. Westoby M., Walker B. & Noy-Meir I. (1989) Opportunistic management for rangelands not at equilibrium. J. Range Manage. 42, 266-74.