Results 21 to 30 of about 107 (64)

Biomonitoring of radioactive contamination using benthic invertebrate communities in Manzala Lake, Egypt [PDF]

open access: yes, 2023
Manzala Lake, the largest in Egypt’s Nile Delta, has significant human activity. The Lake’s ecological condition has recently been impacted by a significant increase in agricultural, industrial, and urban wastewater discharge.
Bendary, Reda E., Imam, Noha
core   +2 more sources

Um catálogo de Helobdella (Annelida, Clitellata, Hirudinea, Glossiphoniidae), com um sumário da diversidade de sanguessugas, da América do Sul [PDF]

open access: yes, 2021
A catalogue of Helobdella produced 46 nominal species reported to date from South America. Only 14 species of Helobdella had been registered for South America until 1981. Almost 90% of the present fauna is endemic to the South American continent. Only fi
Christoffersen, Martin Lindsey
core   +3 more sources

Catálogo das famílias Piscicolidae, Ozobranchidae e Arhynchobdellida (Annelida, Clitellata, Hirudinea) da América do Sul [PDF]

open access: yes, 2021
A catalogue of the families Americobdellidae, Cyclobdellidae, Cylicobdellidae, Erpobdellidae, Euhirudinea, Hirudinidae, Macrobdellidae, Ozobranchidae, Piscicolidae, Salifidae, Semiscolecidae, and Xerobdellidae produced 66 nominal species reported to date
Christoffersen, Martin Lindsey
core   +3 more sources

Evaluating Image-based Species Recognition Models suitable for Citizen Science Application to Support European Invasive Alien Species Policy [PDF]

open access: yes, 2022
Recent developments in image recognition technology and its application to automated species identification led to an increase in the research of computer vision models.
BARTOSCHEK Thomas   +5 more
core   +1 more source

Registros de sanguijuelas de Costa Rica y clave para la identificación de las especies con redescripción de Cylicobdella costaricae [PDF]

open access: yes, 2015
En contraste con los enormes esfuerzos realizados por caracterizar la fauna y flora de Costa Rica, con excepción de algunos registros aislados, muy poco se sabe sobre las sanguijuelas (Annelida: Clitellata) en este país.
Alejandro Francisco Oceguera-Figueroa
core   +2 more sources

Prisutnost pijavice Pontobdella muricata (Hirudinea: Piscicolidae) na hrskavičnjačama u Tirenskom moru (Srednje Sredozemlje) [PDF]

open access: yes, 2017
This paper provides the first report of the leech, Pontobdella muricata (Linnaeus, 1758), in the Tyrrhenian Sea. The leech was found on the brown ray, Raja miraletus (Linnaeus 1758), and on the spotted ray, Raja montagui (Fowler, 1910), caught by ...
Adriana PROFETA   +6 more
core   +2 more sources

The ovary of Tubifex tubifex (Clitellata, Naididae, Tubificinae) Is composed of one, huge germ-line cyst that is enriched with cytoskeletal components [PDF]

open access: yes, 2015
Recent studies on the ovary organization and oogenesis in Tubificinae have revealed that their ovaries are small polarized structures that are composed of germ cells in subsequent stages of oogenesis that are associated with somatic cells.
Chajec, Łukasz   +2 more
core   +2 more sources

Analysis of the cytoskeleton organization and its possible functions in male earthworm germ-line cysts equipped with a cytophore [PDF]

open access: yes, 2016
We studied the organization of F-actin and the microtubular cytoskeleton in male germ-line cysts in the seminal vesicles of the earthworm Dendrobaena veneta using light, fluorescent and electron microscopy along with both chemically fixed tissue and ...
Małota, Karol, Świątek, Piotr
core   +1 more source

Taxonomic differentiation, diversity and distribution of species from the suborder Erpobdelliformes (Annelida; Hirudinea) in the western Balkans [PDF]

open access: yes, 2020
Balkansko poluostrvo je značajan centar biodiverziteta u kome pijavice imaju značajan udeo. Taksoni koji su svrstani u podred Erpobdelliformes su brojni sa velikim udelom endemičnih predstavnika.
Marinković, Nikola
core  

Benthic invertebrate neozoa in Austrian rivers [PDF]

open access: yes, 2008
Neozoa werden als gebietsfremde Arten definiert, welche nach 1492 direkt oder indirekt durch den Menschen eingeführt wurden und selbstreproduzierende Populationen zu bilden im Stande sind (Essl & Rabitsch 2002). Biologische Invasionen sind schon seit dem
Graf, Wolfram   +3 more
core  

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