Results 21 to 30 of about 1,648 (198)

Microstomum (Platyhelminthes, Macrostomorpha, Microstomidae) from the Swedish west coast: two new species and a population description

European Journal of Taxonomy, 2018
Two new species of marine Platyhelminthes, Microstomum laurae sp. nov. and Microstomum edmondi sp. nov. (Macrostomida: Microstomidae) are described from the west coast of Sweden. Microstomum laurae sp. nov.
Sarah Atherton, Ulf Jondelius
doaj   +1 more source

Distribution of aquatic fauna in karstic groundwater and its enviro-nmental response on the south bank of the Yangtze River in Yichang

地质科技通报, 2022
To understand the distribution of aquatic fauna in karst groundwater and its environmental response, aquatic fauna and water samples were collected from 15 epikarst springs and 9 large karst springs on the south bank of the Yangtze River in Yichang from ...
Wei Liu, Jiawen Duan, Ruichao Zhao, Yi′an Wang, Yin Li, Wei Chen, Qiuhua Li, Hong Zhou, Brancelj Anton   +8 more
doaj   +1 more source

Constructed rock riffles increase habitat heterogeneity but not biodiversity in streams constrained by urban impacts

Ecosphere, Volume 14, Issue 12, December 2023., 2023
Abstract Riffles are heterogeneous habitats that support diverse assemblages in natural streams. They are often constructed as part of stream restoration practice, including in degraded urban stream ecosystems, despite larger scale limits to ecological state.
Christopher J. Walsh, J. Angus Webb, Daniel C. Gwinn, Peter F. Breen   +3 more
wiley   +1 more source

Do Not Lose Your Head over the Unequal Regeneration Capacity in Prolecithophoran Flatworms

Biology, 2022
One of the central questions in studying the evolution of regeneration in flatworms remains whether the ancestral flatworm was able to regenerate all body parts, including the head.
Alexandra L. Grosbusch, Philip Bertemes, Bob Kauffmann, Clemens Gotsis, Bernhard Egger   +4 more
doaj   +1 more source

Hydrobiological study of the small stream on the Czech–Moravian Highlands

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2010
Zoobenthos of the Fryšávka Rivulet was investigated in the years 2007–2008. Research included also physico-chemical factors of water (temperature, pH, conductivity, oxygen saturation).
Ivo Sukop, Jan Šťastný, Tomáš Vítek, Tomáš Brabec   +3 more
doaj   +1 more source

Results of examination the state of yesso scallop (Mizuhopecten yessoensis) on plantations of aquaculture in Primorye

Известия ТИНРО, 2021
High mortality of yesso scallop at the age of 0+–2+ is detected recently on aquaculture farms in Primorye (Japan Sea). Pathological changes and death of the mollusks are observed more and more frequently with increasing of their density and number of ...
G. S. Gavrilova, Z. I. Motora, S. E. Pozdnyakov   +2 more
doaj   +1 more source

Undesirable immigrants: hobbyist vivaria as a potential source of alien invertebrate species [PDF]

PeerJ, 2019
Background Small size and large diversity of adaptations make invertebrates a group of animals which can be easily transported by different human activities.
Radomir Jaskuła, Anna Sulikowska-Drozd, Aleksandra Jabłońska, Krzysztof Banaś, Tomasz Rewicz   +4 more
doaj   +2 more sources

Checklist of free-living microturbellarian flatworms (Turbellaria, Platyhelminthes) in the Suquía River Basin, Córdoba, Argentina [PDF]

Check List, 2021
Free-living microturbellarians are a part of lentic and lotic aquatic assemblages and play an important but underestimated role in aquatic ecosystems.
Mariana L. Adami, Cristina Damborenea
doaj   +3 more sources

Redescripción y algunos aspectos ecológicos de Girardia Tigrina, G. Cameliae y G. Paramensis (Dugesiidae, Tricladida) en Antioquia, Colombia

Revista Mexicana de Biodiversidad, 2007
TURBELLARIA ESTÁ INTEGRADA POR 2 ÓRDENES: CATENULIDA Y RHABDITOPHORA. DENTRO DEL ÚLTIMO, EL SUBORDEN PALUDICOTA COMPRENDE LAS FAMILIAS DENDROCOELIDAE, DUGESIIDAE Y PLANARIIDAE. EN ESTE ESTUDIO FUERON ENCONTRADAS: GIRARDIA CAMELIAE, G.
IMELDA VÉLEZ, MAURICIO A. MUÑOZ
doaj   +1 more source

Two new species of Syndesmis (Platyhelminthes, Rhabdocoela, Umagillidae) from the sea urchin Pseudechinus magellanicus (Echinodermata, Echinoidea) in the Southwestern Atlantic Ocean

International Journal for Parasitology: Parasites and Wildlife, 2017
In this paper, we describe two new species of Syndesmis living in Pseudechinus magellanicus in the Southwest Atlantic Ocean. The new species have a long stylet in the male reproductive system, which is different from that of the known species of the ...
Francisco Brusa, Martin M. Montes, Paula Marcotegui, Sergio R. Martorelli   +3 more
doaj   +1 more source