15 Result(s)
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Article
Diego P. Vázquez
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Article
Open AccessPlant-frugivore network simplification under habitat fragmentation leaves a small core of interacting generalists
Habitat fragmentation impacts seed dispersal processes that are important in maintaining biodiversity and ecosystem functioning. However, it is still unclear how habitat fragmentation affects frugivorous inter...
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Hiking and livestock favor non-native plants in the high Andes
Hikers and livestock using mountain trails damage native vegetation and act as seed vectors, thus favouring the spread of non-native plants. We evaluated the effect of trails and livestock abundance on the suc...
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Ecological network complexity scales with area
Larger geographical areas contain more species—an observation raised to a law in ecology. Less explored is whether biodiversity changes are accompanied by a modification of interaction networks. We use data fr...
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Managed honeybee hives and the diversity of wild bees in a dryland nature reserve
Honeybee hives may influence pollen and nectar availability in natural ecosystems, which may consequently affect wild pollinators. We studied the effects of managed honeybee hives on wild bee diversity in Vill...
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Open AccessWithin-day dynamics of plant–pollinator networks are dominated by early flower closure: an experimental test of network plasticity
Temporal variability of plant–pollinator interactions is important for fully understanding the structure, function, and stability of plant–pollinator networks, but most network studies so far have ignored with...
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Plant–plant co-occurrences under a complex land-use gradient in a temperate forest
Land-use generates multiple stress factors, and we need to understand their effects on plant–plant interactions to predict the consequences of land-use intensification. The stress–gradient hypothesis predicts ...
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Drivers of the structure of plant–hummingbird interaction networks at multiple temporal scales
In semi-arid environments, the marked contrast in temperature and precipitation over the year strongly shapes ecological communities. The composition of species and their ecological interactions within a commu...
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Analysis of an invasion in the community context: a case study about differences and similarities between native and non-native shrubs
Although much effort has been devoted to identify plant traits related to invasiveness, the success of this approach remains elusive, likely because the relevance of particular traits for invasions is context-...
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Open AccessPhenology determines the robustness of plant–pollinator networks
Plant–pollinator systems are essential for ecosystem functioning, which calls for an understanding of the determinants of their robustness to environmental threats. Previous studies considering such robustness...
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Open AccessSpecies traits and network structure predict the success and impacts of pollinator invasions
Species invasions constitute a major and poorly understood threat to plant–pollinator systems. General theory predicting which factors drive species invasion success and subsequent effects on native ecosystems...
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Ecology and nesting biology of the wood-boring bee Trichothurgus laticeps (Hymenoptera: Megachilidae) in a Monte desert reserve in mid-western Argentina
Studying bee nests can enlighten our understanding of feeding specialization and phylogenetic relationships of bees. We studied the nesting and feeding habits of Trichothurgus laticeps in the Monte desert ecosyst...
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Potential contribution to the invasion process of different reproductive strategies of two invasive roses
The type of reproductive system may be an important trait for the establishment and maintenance of populations of invasive plant species in new areas, as it can influence their demography and genetics. We stud...
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Soil disturbance, vegetation cover and the establishment of the exotic shrub Pyracantha coccinea in southern France
We evaluate the mechanisms that determine the establishment of the non-indigenous shrub Pyracantha coccinea (Rosaceae) in the Montpellier region of southern France. P. coccinea establishes in abandoned agricultur...
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Introduction
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Article
Multiple Effects of Introduced Mammalian Herbivores in a Temperate Forest
Introduced mammalian herbivores can significantly affect ecosystems. Here, I review evidence on effects of introduced mammalian herbivores in the temperate forest of the southern Andes. Available data suggest ...
