Results 11 to 20 of about 1,557 (218)

Intracellular Immunohistochemical Detection of Tetrodotoxin in Pleurobranchaea maculata (Gastropoda) and Stylochoplana sp. (Turbellaria) [PDF]

open access: yesMarine Drugs, 2015
Tetrodotoxin (TTX), is a potent neurotoxin targeting sodium channels that has been identified in multiple marine and terrestrial organisms. It was recently detected in the Opisthobranch Pleurobranchaea maculata and a Platyhelminthes Stylochoplana sp ...
Lauren R. Salvitti   +3 more
doaj   +2 more sources

Seasonal Dynamics of Benthic Macroinvertebrate Community Assembly in a Subtropical Monsoon-Driven Mountain Stream. [PDF]

open access: yesEcol Evol
This study examines how seasonal hydrological variations influence macroinvertebrate community assembly in the Huishui River using the EMS framework and variation partitioning analysis. The findings reveal that dispersal processes dominate during high‐flow monsoon periods, environmental filtering prevails in drought phases, and both processes ...
Ge Y   +7 more
europepmc   +2 more sources

Turbellaria from Curaçao

open access: yes, 1960
A study of the several fresh and brackish-water springs on Curaçao, carried out by Dr. P. WAGENAAR HUMMELINCK, revealed (a) the common occurrence on that island of Dugesia festai (Borelli 1898), a species which until then had only been known from the South American mainland (nearest find: Ecuador!), and (b) a hitherto undescribed species of ...
Marcus, Ernst
openaire   +2 more sources

Recovery and Degradation Drive Changes in the Dispersal Capacity of Stream Macroinvertebrate Communities. [PDF]

open access: yesGlob Chang Biol
Freshwater ecosystems across Europe are recovering unevenly despite restoration efforts, partly due to the limited ability of many species to disperse. Using a dataset of over 1300 time series, we found that improved ecological quality often leads to gains in macroinvertebrate species with strong dispersal capacities, while degrading sites lose these ...
Cano-Barbacil C   +3 more
europepmc   +2 more sources

The Influence of Native Deer on Forest Fauna-A Systematic Map. [PDF]

open access: yesEcol Evol
Deer are key drivers of faunal communities in temperate and boreal forest ecosystems. In this systematic map, we review the current literature assessing the effects of native deer on abundance, species richness, and diversity of forest‐dwelling faunal taxa.
Schwegmann S, Bhardwaj M, Storch I.
europepmc   +2 more sources

The Core of the Matter-Importance of Identification Method and Biological Replication for Benthic Marine Monitoring. [PDF]

open access: yesEcol Evol
Benthic macrofauna are important and widely used biological indicators of marine ecosystems as they have limited mobility and therefore integrate the effects of local environmental stressors over time. We here compare environmental DNA metabarcoding obtained from sediments with conventional morphological identification of benthic macrofauna.
Jensen MR   +6 more
europepmc   +2 more sources

“Turbellaria” simbiontes [PDF]

open access: yes, 2023
Entre los Platyhelminthes, los turbelarios son tradicionalmente reconocidos como la clase que agrupa a los representantes de vida libre del phylum. Sin embargo, no tienen sinapomorfías que los definan, siendo la presencia de una epidermis ciliada en el ...
Brusa, Francisco   +2 more
core  

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

open access: yesBiology, 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   +4 more
doaj   +1 more source

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

open access: yesActa 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   +3 more
doaj   +1 more source

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

open access: yesИзвестия 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   +2 more
doaj   +1 more source

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