Are nurse-protégé interactions more common among plants from arid environments?

Flores, Joel; Jurado, Enrique

doi:10.1658/1100-9233(2003)014[0911:animca]2.0.co;2

Cited by 198 publications

(294 citation statements)

References 58 publications

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“…Este sín-drome es muy importante en hábitats áridos y semiáridos (Franco y Nobel, 1989;Valiente-Banuet y Ezcurra, 1991;Flores y Jurado, 2003), donde es más frecuente que las ROSA ROMO-CAMPOS ET AL.…”

Section: Introductionunclassified

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Factores abióticos involucrados en la facilitación entre leñosas y suculentas en el altiplano mexicano.

et al. 2013

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Resumen: Se estudiaron características fi siológicas y morfológicas de plántulas de especies leñosas (nodrizas) y suculentas (protegidas), las cuales se distribuyen en un gradiente ambiental en el Altiplano Mexicano. Del extremo mésico se eligieron Acacia schaffneri, A. farnesiana y Opuntia jaliscana y, del extremo xérico se escogieron A. schaffneri, Prosopis laevigata y O. streptacantha. En un experimento en invernadero, plántulas de 24 semanas de edad fueron sometidas por 90 días a diferentes niveles de radiación (alta = 2133 μmol m

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Section: Introductionunclassified

“…plántulas de suculentas se establezcan debajo del dosel de plantas adultas de leñosas, a diferencia de las áreas abiertas Flores-Martínez et al, 1994;Godínez-Álvarez et al, 2003;Flores y Jurado, 2003;Martí-nez-Berdeja y Valverde, 2008;Miquelajauregui y Valverde, 2010).…”

Section: Introductionunclassified

Factores abióticos involucrados en la facilitación entre leñosas y suculentas en el altiplano mexicano.

et al. 2013

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“…The effect of a nurse plant depends on size/geometry of the benefactor plant (Franco and Nobel 1989;Valiente-Banuet and Ezcurra 1991;Tewksbury et al 1999) and the size and position of the beneficiary plant under the nurse plant (Franco and Nobel 1989). Evergreens and plants with dense canopies such as thorny mimosoid legumes have been found to be better benefactors compared to other growth forms, such as deciduous shrubs and plants with little ramifications (de Viana et al 2001;Tewksbury and Lloyd 2001;Flores and Jurado 2003). Among all the positive plant -plant interactions, the association between cacti and their nurse plants becomes even more important since the beneficiary plant, the cactus, could in the medium or long term, compete or interfere with the benefactor plant, occupying its place in the ground (McAuliffe 1984;Yeaton and Romero 1986;ValienteBanuet et al 1991;Flores-Martı´nez et al 1994).…”

Section: Introductionmentioning

confidence: 99%

“…Abundance of these plant species and water conditions of the enclave cause a gradient of mesic (locally known as ''espinar'') and xeric (''cardonal'') zones. As in other arid semiarid zones, the legumes species can be important elements of the enclave because their canopy affords shade that could facilitate the establishment of columnar cacti seedlings (see Fleming 2002 andJurado 2003 for a detailed list of the reported associations), suggesting that the so-called nurse syndrome may be a plant -plant interaction frequent in these habitats. On the other hand, because low water availability and the hydric gradient that causes it, size -distance relationships between legumes and columnar cacti can be different in xeric and mesic zones.…”

Section: Introductionmentioning

confidence: 99%

Spatial Associations, Size–Distance Relationships and Population Structure of Two Dominant Life Forms in a Semiarid Enclave of the Venezuelan Andes

Larrea-Alcázar

Soriano

2006

Plant Ecol

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The role of three thorny legume species as nurse plants and competitive relationships with columnar cacti were evaluated in a semiarid enclave of the Venezuelan Andes. Abundance and size of three columnar cacti species (Stenocereus griseus, Cereus repandus and Pilosocereus tillianus) under isolated shrubs of three thorny legumes species (Prosopis juliflora, Acacia farnesiana and A. macracantha) were recorded and compared with open areas. Using size -distance data we inferred the intensity of intra-and interspecific competition between both life forms in a ''cardonal'' (xeric zone) and ''espinar'' (mesic zone) of the enclave. Sixty-one columnar cacti were found beneath the three thorny legume species (92%), while only 5 cactus individuals were found in open areas (8%). Comparison of observed and expected number of cactus individuals shows that S. griseus and C. repandus are significantly associated with isolated shrubs of A. farnesiana and A. macracantha. Although P. juliflora contributed more than 40% of the total legume plant cover, the number of columnar cacti under its isolated shrubs was significantly lower than would be expected by chance. In all, 19 of 21 possible plant -plant combinations between and within columnar cacti and legume shrubs were recorded (espinar: 18, cardonal: 13, common combinations: 12). In both zones, intra-and interspecific combinations among columnar cacti species were relatively high (positive correlation between the sum of neighbour plant sizes and the distances separating them). Our results strongly suggest, at least for case of S. griseus and C. repandus, that these columnar cacti species require nurse plants for their establishment. The results on interference need still support from further research. We discuss the effects of plant -plant positive interactions on natural regeneration of these columnar cacti.

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“…It has been suggested that rocks may act as good moisture-collectors (REYES-OLIVAS et al 2002). While facilitation of recruitment by 'nurse' plants has been widely documented (FLORES and JURADO 2003), nurse rocks have been poorly documented. However research does report positive interactions between cacti and rocks (PARKER 1987, 1989, NOBEL et al 1992, where rocks ameliorate stressor conditions; this provides a fresh and moist environment without reducing sunlight (PETERS et al 2008).…”

Section: Survival Pathways Within Populationsmentioning

confidence: 99%

Is drought altering plant populations in the mountainous region of Northeastern Mexico?

García

Jurado²

2015

Acta Botanica Croatica

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-Mortality in six plant species was examined in the vegetation of a mountain region in Northeastern Mexico and hypotheses of survival pathways within populations in the ecosystem were tested. Signifi cant differences in the general mortality pattern were found among species indicating species-specifi c responses to stress gradients. Average mortality differed among species: Yucca carnerosana, 33.8%; Pinus cembroides, 29.9%; Larrea tridentata, 25.9%; Hechtia podantha, 13.7%; Agave lechuguilla, 13.0%; and Thelocactus santaclarensis, 9.0%. Within populations, mortality increased with water stress and survivorship increased with less stressful environments. Results from this study may be useful for the development of a management plan to support the conservation and sustainable use of forest vegetation in this mountain community.

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Are nurse-protégé interactions more common among plants from arid environments?

Cited by 198 publications

References 58 publications

Factores abióticos involucrados en la facilitación entre leñosas y suculentas en el altiplano mexicano.

Factores abióticos involucrados en la facilitación entre leñosas y suculentas en el altiplano mexicano.

Spatial Associations, Size–Distance Relationships and Population Structure of Two Dominant Life Forms in a Semiarid Enclave of the Venezuelan Andes

Is drought altering plant populations in the mountainous region of Northeastern Mexico?

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