The influence of shrubs on the diversity and abundance of herbaceous plants in the Prepuna at different scales;La influencia de los arbustos sobre la diversidad y abundancia de plantas herbáceas de la Prepuna a diferentes escalas espaciales

Ecologia Austral

Volumn 18, Issue 1, 2008, Pages 119-131

  López, Ramiro P ^a,b   Ortuiño, Teresa ^b  

^a Instituto de Ecologia   (Bolivia)

^b Herbario Nacional de Bolivia   (Bolivia)

Author keywords

Facilitation; Herbs; Rarefaction; Species richness; Subtropical Andes

Indexed keywords

ABUNDANCE; BIOGEOGRAPHY; COMMUNITY COMPOSITION; HERB; MICROHABITAT; SHRUB; SPECIES DIVERSITY; SPECIES RICHNESS;

ANDES; SOUTH AMERICA;

EID: 46849106924     PISSN: 03275477     EISSN: 1667782X     Source Type: Journal    
DOI: None     Document Type: Article

References (46)

1. AGUIAR, MR & OE SALA. 1997. Seed distribution constrains the dynamics of the Patagonian steppe. Ecology 78:93-100.
2. AGUIAR, MR & OE SALA. 1999. Patch structure, dynamics and implications for the functioning of and ecosystems. Trends in Ecology and Evolution 14:273-277.
3. AKPO, LE; PI SAMB & M GROUZIS. 1997. Effet du couvert des arbres Sur la structure spécifique de la strate herbacée en savane subhumide soudanienne (Senegal, Afrique de l'ouest). Candollea 52:287-299.
4. ARRIAGA, L; Y MAYA; S DÍAZ & J CANCINO. 1993. Association between cacti and nurse perennials in a heterogeneous tropical dry forest in northwestern Mexico. Journal of Vegetation Science 4:349-356.
5. BADANO, EI & LA CAVIERES. 2006a. Impacts of ecosystem engineers on community attributes: effects of cushion plants at different elevations of the Chilean Andes. Diversity and Distributions 12:388-396.
6. BADANO, EI & LA CAVIERES. 2006b. Ecosystem engineering across ecosystems: do engineer specis sharing common features have generalized or idiosyncratic effects on species diversity? Journal of Biogeography 33:304-313.
7. BADANO, EI; CG JONES; LA CAVIERES & JP WRIGHT. 2006. Assessing impacts of ecosystem engineers on community organization: a general approach illustrated by effects of a high-Andean cushion planta. Oikos 115:369-385.
8. CABRERA, AL & A WILLINK. 1973. Biogeografía de América latina. OEA, Washington DC.
9. CABRERA, AL. 1976. Regiones fitogeográficas argentines. Pp. 1-85. En: WF Kugler (ed.): Enciclopedia Argentina de Agricultura y Jardinería, vol 2(1). ACME, Buenos Aires.
10. CALLAWAY, RM. 1995. Positive interactions among plants. Botanical Review 61:306-349.
11. CALLAWAY, RM & LR WALKER. 1997. Competition and facilitation: a synthetic approach to interactions in plant communities. Ecology 78:1958-1965.
12. CAVIERES, L; MTK ARROYO; A PEÑALOZA; M MOLINA-MONTENEGRO & C TORRES. 2002. Nurse effect of Bolax gummifera cushion plants in the alpine vegetation of the Chilean Patagonian Andes. Journal of Vegetation Science 13:547-554.
13. CHOLER, P; R MICHALET & R CALLAWAY. 2001. Facilitation and competition on gradients in alpine plant communities. Ecology 82:3295-3308.
14. DE VIANA, M; MLS SÜHRING & BFJ MANLY. 2001. Application of randomization methods to study the association of Trichocereus pasacana (Cactaceae) with potential nurse plants. Plant Ecology 156:193-197.
15. FACELLI, JM & DJ BROCK. 2000. Patch dynamics in arid lands: localized effects of Acacia papyrocarpa on soils and vegetation of open woodlands of South Australia. Ecography 23:479-491.
16. FACELLI, JM & AM TEMBY. 2002. Multiple effects of shrubs on annual plant communities in and lands of South Australia. Austral Ecology 27:422-432.
17. GÓMEZ-APARICIO, L; JM GÓMEZ; R ZAMORA & JL BOETTINGER. 2005. Canopo vs. soil effects of shrubs facilitating tree seedlings in Mediterranean montane ecosystems. Journal of Vegetation Science 16:191-198.
18. Gotelli, NJ & RK Colwell. 2001. Quantifyng biodiversity: procedures and pitfalls in the measurement and comparison of species richness. Ecology Letters 4:379-391.
19. GUTIÉRREZ, JR; PL MESERVE; LC CONTRERAS; H VÁSQUEZ & FABIÁN M JAKSIC. 1993. Spatial distribution of soil nutrients and ephemeral plants underneath and outside the Canopo of Porlieria chilensis (Zygophyllaceae) in and coastal Chile. Oecologia 95:347-352.
20. HAASE, P; FI PUGNAIRE; SC CLARK & LD INCOLL. 1996. Spatial patterns in a two-tiered semi-arid shrubland in southeastern Spain. Journal of Vegetation Science 7: 527-534.
21. JONES, CG; JH LAWTON & M SACHAK. 1997. Positive and negative effects of organisms as physical ecosystem engineers. Ecology 78(7):1946-1957.
22. JOSHI, B; SP SINGH; YS RAWAT & D GOEL. 2001. Facilitative effect of Coriaria nepalensis on species diversity and growth of herbs on severely eroded hill slopes. Current Science 80(5):678-682.
23. LARREA-ALCÁZAR, D; RP LÓPEZ & D BARRIENTOS. 2006. The nurse plant effect of Prosopis flexuosa DC (Leg. Mim.) in a dry valley of the Bolivian Andes. Ecotrópicos 18(2):89-95.
24. LÓPEZ, RP. 2000. La Prepuna boliviana. Ecología en Bolivia 34:45-70.
25. LÓPEZ RP. 2003. Soil seed banks in the semiarid Prepuna of Bolivia. Plant Ecology 168:85-92.
26. LÓPEZ, RP & BECK, S. 2002. Phytogeographical affinities and life form composition of the Bolivian Prepuna. Candollea 57:77-96.
27. LÓPEZ, RP & S VALDIVIA. 2007. The importance of shrub cover for four cactus species differing in growth form in an Andean semi-desert. Journal of Vegetation Science 18:263-270.
28. LÓPEZ, RP; S VALDIVIA; N SANJINÉS & D DE LA QUINTANA. 2007. The role of nurse plants in the establishment of shrub seedlings in the semi-arid subtropical Andes. Oecolgia 152:779-790.
29. MCAULIFFE, JR. 1986. Herbivore-limited establishment of a Sonoran Desert tree, Cercidium microphyllum. Ecology 67:276-280.
30. MONTAÑA, C. 1992. The colonization of bare areas in two-phase mosaics of an and ecosystem. Journal of Ecology 80:315-327.
31. MORALES, MA; R VILLALBA; HR GRAU; PE VILLAGRA; JA BONINSEGNA; A RIPALTA & L PAOLINI. 2001. Potencialiclad de Prosopis feroz Grises. (Legiminosar, subfamilia Mimosoideae) para estudios dendrocronológicos en desiertos. Revista Chilena de Historia Natural 4:865-872.
32. MORO, MJ; FI PUGNAIRE & J PUIGDEFÁBREGAS. 1997. Mechanisms of interaction between a leguminous shrub and its understorey in a semi-arid environment. Ecography 20:175-184.
33. MULLER, CH. 1953. The association of desert annuals with shrubs. American Journal of Botany 40(2):53-60.
34. MUNZBERGOVA, Z & D WARD. 2002. Acacia trees as keystone species in Negev desert ecosystems. Journal of Vegetation Science 13:227-236.
35. OESTERHELD, M & M OYARZABAL. 2004. Grass-to-grass protection from grazing in a semi-arid steppe: facilitation, competition, and mass effect. Oikos 107:576-582.
36. OUTON, V. 1991. Prosopis ferox (Griseb.): usos, importancia e impacto ambiental. Tesis de Licenciatura. Universidad Nacional de Salta, Argentina.
37. PUGNAIRE, FI; C ARMAS & F VALLADARES. 2004. Soil as a mediator in plant-plant interactions in a semi-arid community. Journal of Vegetation Science 15:85-92.
38. PUGNAIRE, FI.; P HAASE; M PUIGDEFÁBREGAS; M CUETO; SC CLARK & LD INCOLL. 1996. Facilitation and succession under the canopy of a leguminous shrub, Retama sphaerocarpa, in a semi-arid environment in south-east Spain. Oikos 76:455-464.
39. ROSSI, BE & PE VILLAGRA. 2003. Effects of Prosopis flexuosa on soil properties and the spatial pattern of understorey species in and Argentina. Journal of Vegetation Science 114:543-550.
40. SCHADE, JD; R SPONSELLER; SL COLLINS & A STYLES. 2003. The influence of Prosopis canopies on understorey vegetation: effects of landscape position. Journal of Vegetation Science 14:743-750.
41. TEWKSBURY, JT & JD LLOYD. 2001. Positive interactions under nurse-plants: spatial scale, stress gradients and benefactor size. Oecologia 127:425-434.
42. TIELBÖRGER, K & R KADMON. 1997. Relationships between shrubs and annual communities in a sandy desert ecosystem: a three-year study. Plant Ecology 130:191-201.
43. TORRICO, G; C PECA; S BECK & E GARCÍA. 1994. Leñosas útiles de Potosí.
44. WENT, FW. 1942. The dependence of certain annual plants on shrubs in Southern Californian deserts. Bulletin of the Torrey Botanical Club 69:100-114.
45. WILBY, A & M SACHAK. 2004. Shrubs, granivores, and annual plant community stability in arid ecosystems. Oikos 106:209-216.
46. WRIGHT, JP; CG JONES & AS FLECKER. 2002. An ecosystem engineer, the beaver, increases