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1,170 results for “earthworm”
Figs 1, 2 in New species of South African acanthodriline earthworms of the genera Eodriloides and Chilota, with a redescription of Chilota quindecimus (Oligochaeta: Acanthodrilidae)
Figs 1, 2. Eodriloides thompsoni sp. n., holotype: (1) ventral area with prostatic pores, 180×; (2) anterior right spermatheca, 300×. Abbreviations: A – ampulla, B – bilobate diverticulum.
Fig. 1 in Three new earthworm species of Microchaetus Rapp, 1849, and new data on two earlier known species of this genus (Oligochaeta: Microchaetidae)
Fig. 1. Microchaetus griphus sp. n. Clitellar region, ventral view with clitellum and tubercula pubertatis. C = clitellum. T = tubercula pubertatis; P = papilla of segment 13.
Fig. 2 in Three new earthworm species of Microchaetus Rapp, 1849, and new data on two earlier known species of this genus (Oligochaeta: Microchaetidae)
Fig. 2. Microchaetus herberti sp. n. Ventral view of anterior part of body with clitellar region and tubercula pubertatis.
Fig. 1 in Notes on the occurrence of the introduced earthworm Pontoscolex corethrurus (Müller, 1857) in South Africa (Oligochaeta: Glossoscolecidae)
Fig. 1. Distribution of the exotic species Pontoscolex corethrurus Müller in South Africa.• Species occurrence based on material in the Natal Museum Oligochaeta Collection. 9 Localities known from the literature.
Fig. 1 in Studying earthworms (Annelida: Oligochaeta) in South Africa
Fig. 1. Earthworm sampling. (A) The most common method is for plots to be dug up, the soil sorted by hand, and earthworms removed. (B) An alternative method is to apply chemical irritants (e.g. mustard solution) to a plot and the earthworms collected once they emerge from the soil. (C) Sorting, cleaning and processing earthworms in the field is a major component of sampling. Decisions as to the size of plot used, how deep the plots are dug, and which chemicals are used in which concentrations, as well as the timing of the sampling, all need to be adjusted depending on the goals of sampling. For large individuals (and anecic species) different sampling methods are needed (see text).
Fig. 10 in An annotated key separating foreign earthworm species from the indigenous South African taxa (Oligochaeta: Acanthodrilidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Microchaetidae, Ocnerodrilidae and Tritogeniidae)
Fig. 10. Spermathecae: (A) Acanthodrilidae: Udeina adriani; (B) Benhamiinae: Dichogaster (Diplothecodrilus) bolaui, D. (D) modiglianii, D. (D) affinis and D. (D) annae; (C) Microchaetidae: Proandicus pajori; (D) Megascolecidae: Amynthas aeruginosus.
Fig. 9 in An annotated key separating foreign earthworm species from the indigenous South African taxa (Oligochaeta: Acanthodrilidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Microchaetidae, Ocnerodrilidae and Tritogeniidae)
Fig. 9. Setal arrangements: (A –C) lumbricine arrangement: (A) closely paired; (B) widely paired; (C) separated in eight rows; (D) perichaetine arrangement.
Fig. 6 in An annotated key separating foreign earthworm species from the indigenous South African taxa (Oligochaeta: Acanthodrilidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Microchaetidae, Ocnerodrilidae and Tritogeniidae)
Fig. 6. Prostates: (A) (schematic) racemose = lobular (Amynthas sp.) Megascolecidae; (B) tubular (Udeina adriani) Acanthodrilinae.
Fig. 8 in An annotated key separating foreign earthworm species from the indigenous South African taxa (Oligochaeta: Acanthodrilidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Microchaetidae, Ocnerodrilidae and Tritogeniidae)
Fig. 8. Segmentation: (A) Secondary annulation: an anterior part of Microchaetus papillatus (Microchaetidae) showing intersegmental furrows separating segments, marked by nephridial pores of holoic nephridia; (B–C) simple: (B) Eudrilus eugeniae (Eudrilidae); (C) Aporrectodea trapezoides (Lumbricidae) showing tubercula pubertatis and male pore with tumescens.
Fig. 4 in An annotated key separating foreign earthworm species from the indigenous South African taxa (Oligochaeta: Acanthodrilidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Microchaetidae, Ocnerodrilidae and Tritogeniidae)
Fig. 4. (A) Megascolecine arrangement (schematic): one pair of prostatic pores (tubular or lobular = racemose) in segment 18 and male pores in 18. Spermathecal pores may occur in some of the intersegmental furrows 4/5 – 8/9; (B) Amynthas sp. (Megascolecidae).
Fig. 3 in An annotated key separating foreign earthworm species from the indigenous South African taxa (Oligochaeta: Acanthodrilidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Microchaetidae, Ocnerodrilidae and Tritogeniidae)
Fig. 3. Microscolecine arrangement, schematic: one pair of prostatic pores in 17 or 19, male pores may occur in segment 17 or 18, or be absent; spermathecal pores may be single pair with pores in 7/8 or 8/9, or two pairs in 7/8 and 8/9, or absent.
Microbial community composition of earthworm-invaded and earthworm-free soils of the Canadian boreal forest
<p>Earthworm invasion in North American forests has the potential to greatly impact soil microbiomes by altering soil physicochemical properties. We characterized and compared microbial communities of earthworm-invaded and non-invaded soils in previously described sites across three major soil types found in the Canadian boreal forest using phospholipid fatty acid (PLFA) analysis and metabarcoding of the 16S rRNA gene (bacteria and archaea) and ITS2 region (fungi).</p>
Data from: Recommendations for assessing earthworm populations in Brazilian ecosystems
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Data for linked disturbance in the temperate forest: earthworms, deer, and canopy gaps
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Data from: Earthworms do not increase greenhouse gas emissions (CO2 and N2O) in an ecotron experiment simulating a realistic three-crop rotation system
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Microbial community composition of earthworm-invaded and earthworm-free soils of the Canadian boreal forest
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Earthworm
Hi there Please follow, comment and support me for more free model and feel free to use it, Source: Objaverse 1.0 / Sketchfab
Data from: Cascading effects of earthworm invasion in tundra increase graminoid density and rodent grazing intensities
<p>Earthworms are being introduced to numerous ecosystems through human activities. Some non-native earthworm species have the potential to 'geoengineer' soils and increase plant nitrogen (N) uptake, but if the increased plant N concentrations can cause increased rodent grazing is not well known. In this study, we present findings from a common garden experiment with two tundra communities, meadow (forb dominated) and heath (shrub dominated), half of them subjected to four years of earthworm presence (<em>Lumbricus</em> spp. and <em>Aporrectodea</em> spp.). Within four summers, our earthworm treatment changed plant community composition by increasing graminoid density by on average 94 % in the heath vegetation and by 49 % in the meadow. Rodent winter grazing were more intense on plants growing in soils with earthworms, an effect that coincided with higher nitrogen concentrations in plants indicating a higher palatability. Moreover, although the earthworms decreased soil moisture, our proxy for plant community photosynthesis (greenness) was not negatively affected. We conclude that earthworm-induced changes in plant composition and trophic interactions may radically alter the functioning of tundra ecosystems.</p>
Soil BON Earthworm - Community data template
<p>The Soil BON Earthworm consortium built a data template for everyone to use and format their data, so that it can be collated in a straightforward way. The template is an updated version of the one developed for the EUdaphobase COST Action <a href="https://www.zotero.org/google-docs/?ar5Q1g">(Tsiafouli et al. 2022)</a>. More information on Soil BON Earthworm initiative and the data templates created are available in the associated publication (insert DOI when available).</p><p>It is composed of different leaflets:</p><ol><li>"Readme": this leaflet contains all column names from the next leaflet and provides the necessary information to properly fill the information needed.</li><li>"Template to fill with data": this leaflet is composed of several columns where the data provider can enter the information on dataset, site, methodology and taxa sampled. This leaflet is to be filled with density data, and another file should be produced for biomass data.</li><li>"drop down list": this leaflet is non-modifiable and contains the different lists from which values are taken for certain variables, such as soil type which follow the WRB FAO classification <a href="https://www.zotero.org/google-docs/?XHAIOm">(IUSS Working Group WRB 2015)</a>.</li></ol>
Data for Torppa et al. 2023 'Soil moisture and fertility drive earthworm diversity in north temperate semi-natural grasslands'
<p>The dataset consists of the data that supports the findings of the article 'Soil moisture and fertility drive earthworm diversity in north temperate semi-natural grasslands' written by Torppa et al. and published in Agriculture, Ecosystems & Environment in 2023. The data consists of earthworm community data and environmental data related to soil, vegetation, management and landscape, as well as accession numbers to the earthworm specimens in BOLD and GenBank.</p>
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.