Influence of the subterranean herbivorous rodent Ctenomys talarum on vegetation and soil
作者： M. J. Kittlein , A. I. Malizia , C. Busch
DOI:
关键词: Abundance (ecology) 、 Environmental science 、 Herbivore 、 Ctenomys talarum 、 Species richness 、 Nutrient 、 Vegetation 、 Forb 、 Soil pH 、 Agronomy
摘要: Abstract The influence of the subterranean herbivorous rodent Creilomjs fnlnmnz (tuco-tuco) on vegetation and soil was evaluated in a coastal prassland. Plant species composition. dry plant biomass, pH. moisture. nutrient content (N, P. Xa. K. Mg, Ca) were compared between areas with without tuco-tucos. C. ralamnz apparently does not affect either diversity or richness. but modifies composition at sites contiguous to burrows. where forbs occur more frequently than Abundance most common grass forb species. content, moisture modified by talaiziin. Nitrogen. phosphor- ous, sodium. potassium, magnesium had higher concentrations mlai.uin. whereas calcium showed converse. Soil pH percent lower burrows to- larum. Key words: Ctenomys tnlnrun~. grasslands. herbivores, disturbance
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