Burrowing activity of the geophagous earthworm Pontoscolex corethrurus (Oligochaeta: Glossoscolecidae) in the presence of charcoal
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Invasion of the tropical earthworm Pontoscolex corethrurus (Rhinodrilidae, Oligochaeta) in temperate grasslands
The tropical earthworm Pontoscolex corethrurus (Rhinodrilidae, Oligochaeta) presents a broad distribution (e.g., 56 countries from four continents). It is generally assumed that temperature appears to limit the success of tropical exotic species in temperate climates. However, the distribution range of this species could advance towards higher elevations (with lower temperatures) where no tropi...
متن کاملTitle : Ingestion of charcoal by the Amazonian earthworm Pontoscolex corethrurus : a 5
1 2 It is now attested that a large part of the Amazonian rain forest has been cultivated 3 during Pre-Colombian times, using charcoal as an amendment. The incorporation of charcoal 4 to the soil is a starting point for the formation of fertile Amazonian Dark Earths, still selected 5 by Indian people for shifting cultivation. We showed that finely separated charcoal was 6 commonly incorporated ...
متن کاملCommunity structure of earthworms under rubber plantations and mixed forests in Tripura, India.
Studies on community structures of earthworms of rubber (Hevea brasiliensis) plantations and their adjacent mixed forests in West Tripura (India) revealed that both the studied sites harvoured 10 earthworm species. Nine species (Pontoscolex corethrurus, Kanchuria sp 1, Metaphire houlleti, Drawida papillifer papillifer, Drawida assamensis, Gordiodrilus elegans, Eutyphoeus assamensis, Eutyphoeus ...
متن کاملResource Utilization by Native and Invasive Earthworms and Their Effects on Soil Carbon and Nitrogen Dynamics in Puerto Rican Soils
Resource utilization by earthworms affects soil C and N dynamics and further colonization of invasive earthworms. By applying 13C-labeled Tabebuia heterophylla leaves and 15N-labeled Andropogon glomeratus grass, we investigated resource utilization by three earthworm species (invasive endogeic Pontoscolex corethrurus, native anecic Estherella sp., and native endogeic Onychochaeta borincana) and...
متن کاملNest site selection and nutritional provision through excreta: a form of parental care in a tropical endogeic earthworm
Nest construction is a common form of parental care in soil organisms. However, it is unknown whether the tropical earthworm Pontoscolex corethrurus produces nests in soils with low nutritional quality habitats. Here we studied the reproductive behaviour and nest site selection of P. corethrurus, and tested the hypothesis whether P. corethrurus produces more cocoons in habitats with low nutriti...
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