نتایج جستجو برای: lumbricidae
تعداد نتایج: 194 فیلتر نتایج به سال:
The study intended to establish how the dynamics of earthworms (Oligochaeta: Lumbricidae) changes in soil (abundance, biomass), under conditions of mineral fertilization with nitrogen and phosphorous in four different doses, in a 33-year experimental placement in the west of Romania, in wheat-soybean-maize-barley rotation. The soil indices taken into study were: pH, humus, total nitrogen, phosp...
Aquatic oligochaetes are well recognized bioindicators of quality of sediments and water in watercourses and lakes. However, the difficult taxonomic determination based on morphological features compromises their more common use in eco-diagnostic analyses. To overcome this limitation, we investigated molecular barcodes as identification tool for broad range of taxa of aquatic oligochaetes. We r...
The aim of this study was to compare soil animal communities in planted birch (Betula pendula) stands of different origin with each other and with natural forests. Six 30-year-old birch stands were investigated, three planted after clear-cutting of spruce stands, and three planted on cultivated soil. The faunal communities were markedly different in plantations established on spruce forest soil...
We conducted a suite of tracer studies using the stable isotope 13C to follow and quantify flow carbon from leaf litter roots into soil components including aggregates biota with without invasive earthworms. Ten-year-old saplings sugar maple growing in understory thinned northern hardwood forest were labeled 13CO2. The was applied plots earthworms (Lumbricidae) traced for three years. also labe...
The historical biogeography of the Lumbricidae, main Palearctic earthworm family, may be linked to paleogeography their putative ancestral range in Iberia–southeastern France–Corsica–Sardinia. Although molecular phylogenetics has recently been used analyze most endemic genera this area, genus Kritodrilus not yet studied. generotype calarensis and other closely related species inhabit southeaste...
We present novel length to ash-free dry mass and preclitellar diameter to ash-free dry mass allometric equations for seven earthworm species from the families Megascolecidae and Lumbricidae, all of which are exotic and most of which are of ecological concern in North America: Eisenia hortensis, Eisenia fetida, Dendrodrilus rubidus, Lumbricus rubellus, Octolasion sp., Amynthas hilgendorfi, and P...
Trifluralin is a preemergent herbicide that applied to soil control annual grasses and broadleaf weeds. It widely used in cotton, Gossypium hirsutum L., production China; however, the ecological safety of its continued use controversial issue. We studied interaction trifluralin earthworms, Eisenia foetide Savigny (Annelida: Lumbricidae), provide additional information for assessing risk soils. ...
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