Results 41 to 50 of about 7,086 (203)

Camouflaged or tanned: plasticity in freshwater snail pigmentation [PDF]

open access: yesBiology Letters, 2013
By having phenotypically plastic traits, many organisms optimize their fitness in response to fluctuating threats. Freshwater snails with translucent shells, e.g. snails from the Radix genus, differ considerably in their mantle pigmentation patterns, with snails from the same water body ranging from being completely
Johan, Ahlgren   +3 more
openaire   +2 more sources

The Effectiveness of Filopaludina javanica and Sulcospira testudinaria in Reducing Organic Matter in Catfish (Clarias sp.) Aquaculture Wastewater

open access: yesJurnal Ilmiah Perikanan dan Kelautan, 2021
Highlight • Catfish aquaculture wastewater contains organic matter that exceeds the quality standard of 68.75 mg / L and 72.48 mg / L. • Tutut Jawa snail (F. javanica) can reduce organic matter in waste by up to 92%. • Susuh Kura snail (S.
Shofiyatul Lailiyah   +4 more
doaj   +1 more source

A shining starlet: Nematostella vectensis as a model for developmental, regenerative, and comparative biology

open access: yesDevelopmental Dynamics, EarlyView.
Abstract The sea anemone, Nematostella vectensis, has been used as a model organism in developmental biology studies for many years. This estuarine species has the notable capacity to regenerate its full body plan from small pieces throughout life. Nematostella have been described as having a great degree of cellular plasticity.
Patrick A. Lewis   +3 more
wiley   +1 more source

Latitudinal effect on the structure of snake–prey interaction networks is mediated by snake species richness

open access: yesEcography, EarlyView.
Despite the growing number of studies on trophic networks in recent decades, there are still important gaps in our understanding of how these networks are structured across broad environmental gradients. These gaps are even greater in some groups of terrestrial vertebrates, such as snakes, requiring a cohesive synthesis of their broader trophic ...
Daniela Pinto‐Coelho   +4 more
wiley   +1 more source

Structural and Functional Stability of Natural Actomyosin From Freshwater Snail (Bellamya bengalensis): Unraveling Thermal and pH Effects

open access: yesFood Chemistry International, EarlyView.
Natural actomyosin from B. bengalensis exhibited maximum solubility (∼69.9%) at 40°C and stability near neutral pH, with minimum solubility at pH 4. Surface hydrophobicity and emulsifying activity peaked at 50°C, whereas Ca2+‐ATPase and foaming peaked at 40°C. DSC and SDS–PAGE confirmed denaturation above 40°C.
Krishan Kumar Yadav   +7 more
wiley   +1 more source

Nanoplastics: Methods, Exposure and Effects on Domestic, Farm and Wild Animals

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Nanoplastics (NPs) are synthetic polymer particles ranging in size from 1 nm to 1 μm that have been identified as a major concern for ecosystems and organisms due to their plethora of negative effects. The aim of this review is to provide a comprehensive overview of the knowledge relating to exposure and effects of NPs in domestic (i.e., farm ...
B. De Felice   +8 more
wiley   +1 more source

Some laboratory studies on freshwater snails and the effect of some plants on their biological control in Beni-Suef governorate [PDF]

open access: yesJournal of Veterinary Medical Research, 2010
Freshwater snails collected from ditch like ponds near the River Nile in Beni-Suef Governorate during three climatically differed periods. Lymnaea cailliaudi, Biomphalaria alexandarina, Bulinus truncatus, Lanistes carinatus, Cleopatra bulimoids,Physa ...
M. A. Abdel-Gawad, A. M. Khateeb
doaj   +2 more sources

Phylogeny of freshwater viviparid snails in Japan [PDF]

open access: yesJournal of Molluscan Studies, 2015
We document extensive incongruence between molecular phylogeny and the current taxonomy of the freshwater gastropod family Viviparidae in Japan. A phylogeny based on the mitochondrial cytochrome oxidase subunit I and 16S rRNA genes for East Asian viviparids comprises three major clades, the two largest of which are composed primarily of paraphyletic or
Takahiro Hirano   +2 more
openaire   +1 more source

Ostracod faunal and geochemical evidence for the impact of Hoxnian (MIS 11c) sea levels in eastern England

open access: yesJournal of Quaternary Science, EarlyView.
ABSTRACT Marine isotope substage 11c (~426–366 ka) is widely regarded as the most recent Pleistocene interglacial that is broadly analogous to the Holocene. The timing and magnitude of sea‐level changes during MIS 11 have been much debated, particularly concerning whether sea levels were significantly higher than during the Holocene. Empirical evidence
Tom S. White   +3 more
wiley   +1 more source

Interplanetary frontiers: terraforming from an invasion science perspective

open access: yesOikos, EarlyView.
The pursuit of a multi‐planetary existence represents one of humanity's greatest frontiers. If applied justly, it offers an opportunity to extend its civilization's lifespan amid escalating sustainability crises on Earth. One approach increasingly gaining traction is terraforming, a hitherto theoretical ecological and evolutionary experiment revolving ...
Teun Everts   +2 more
wiley   +1 more source

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