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Mostrando ítems 11-20 de 1648
Growth and reproductive post-fire responses of two shrubs in semiarid Patagonian grasslands
(Csiro Publishing, 2015-05)
Variation in fire intensity affects the post-fire survival and growth of shrubs. We examined effects of maximum fire temperature (a proxy for fire intensity) on the survival, growth and reproductive performance of the ...
Quantification of rainfall interception in the high Andean tussock grasslands
(2018)
The páramo ecosystem provides most of the water for the tropical Andean highlands in South America. Although the comprehension of this environment has increased lately, there remains an urgent need to quantify the processes ...
Nesting biology and nest survival of the Grassland Sparrow (Ammodramus humeralis) in grazed grasslands of central-eastern Argentina
(Taylor & Francis, 2021-02)
Knowledge of the breeding biology of grassland birds is important given the accelerated rate of transformation of their habitats, which has led to noticeable population declines of many species. Although several species ...
Fragment size, vegetation structure and physical environment control grassland functioning: a test based on artificial neural networks
(Wiley, 2013-07)
Questions: How do fragment-level characteristics affect remnant grassland functioning in a highly transformed landscape? Are artificial neural networks (ANNs) a better statistical tool to model variations in grassland ...
Effects of grassland burning on reproductive success of globally threatened Strange-tailed Tyrants Alectrurus risora
(Cambridge University Press, 2011-12)
The north-east of Argentina contains a high number of globally threatened grassland birds and is increasingly managed for livestock, with annual burning in remaining natural grasslands. The Strange-tailed Tyrant Alectrurus ...
Maintenance of wetland plant communities: the role of the seed bank in regeneration of native plants
(Sociedade Botânica do Brasil, 2021-07-05)
Exotic grasses have been introduced into wetlands and can compete with native plants due to their high tolerance of flood and dry periods. Flooding can facilitate seed dispersal of exotic species and reduce the diversity ...
A new dwarf shrubby species of Baccharis subg. Baccharis (Asteraceae, Astereae) from southeastern Brazil
(SPRINGER, 2010)
Baccharis dichotoma, a new dwarf shrubby species, with small leaves and few heads, of high-altitude grasslands from southeastern Brazil, is described, illustrated, and assigned to subgenus Baccharis.
Persea pumila (Lauraceae), a New Species from the Brazilian Serra da Mantiqueira Mountain Range
(Amer Soc Plant Taxonomists, 2014-04-01)
Persea pumila, a new species of Lauraceae from a Brazilian high-altitude grassland is described and illustrated. The new species belongs to Parses subg. Eriodaphne. It is distinguished from other neotropical Persea species ...
Eucalypt plantations for forest restoration in a fire-prone mosaic of grasslands and forests in northern Argentina
(Wiley, 2021-05)
In ecosystems with grassland-forest boundaries, tree plantations could be used to promote forest restoration. In the Humid Chaco region of central South America, fire is one of the main disturbances that shapes the landscape. ...