Results 81 to 90 of about 9,787 (237)

In-stream and hyporheic water quality of the River Esk, North Yorkshire: implications for Freshwater Pearl Mussel habitats [PDF]

open access: yes, 2013
River systems and their catchments are important for ecological, social and economic reasons. However, the increased and changing usage of these natural environments and resources for anthropogenic benefit have led to degradation in water quality, which ...
BIDDULPH, MATILDA,FRANCESCA
core  

Renal Trichodinosis in the Japanese Rice Fish, Oryzias latipes: First Report and Phylogenetic Classification

open access: yesJournal of Fish Diseases, EarlyView.
ABSTRACT Investigation of a disease outbreak in a hobbyist's medaka (Oryzias latipes) collection led to the detection of Trichodina sp. in the kidney tubuli of individual fish. Based on this observation, a thorough clinical workup, including native microscopy, histopathology and molecular genetics, was conducted.
J. Harl   +3 more
wiley   +1 more source

Growth Increment Analysis of Archaeological Freshwater Mussels from Interior Northern California

open access: yes, 2010
\ud GROWTH INCREMENT ANALYSIS OF ARCHAEOLOGICAL\ud FRESHWATER MUSSELS FROM INTERIOR NORTHERN\ud CALIFORNIA\ud by\ud Deanna M. Commons\ud Master of Arts in Anthropology\ud California State University, Chico\ud Spring 2010\ud The purpose of this study is ...
Commons, Deanna
core  

Habitat and flow requirements of freshwater mussels in the northern Murray-Darling Basin

open access: yes, 2020
Between 2017 and early 2020 the northern Basin experienced extreme and prolonged drought. During this time there were reports of extensive mussel deaths across catchments in the northern Basin. The drought provided an opportunity to build knowledge about
McCasker, Nicole   +6 more
core  

Chloroplast and mitochondrial genomes of Sphaerosorus coelastroides Pascher (Xanthophyceae) from Central Appalachia, Clinch River, Virginia, United States

open access: yesJournal of Phycology, EarlyView.
Abstract This report describes the isolation and culture of Sphaerosorus coelastroides from the plankton of a freshwater river in the central Appalachian mountain chain. This alga was first observed in a dry freshwater riverbed in Central Europe in 1908 and, since then, has been included in Xanthophyceae surveys from nearly all continents with ...
Gavin S. Collins   +2 more
wiley   +1 more source

Holdfast adhesion in the kelp Alaria marginata: Cell wall polysaccharides and phenolics

open access: yesJournal of Phycology, EarlyView.
Abstract Adhesion is a critical process in the survival of seaweeds, especially in wave‐swept environments. Kelp (Laminariales) sporophytes secrete adhesives from specialized rhizoid cells to anchor themselves to the substrate and withstand immense forces applied by waves.
Maisie R. Roy‐Musor   +3 more
wiley   +1 more source

Discovery of a host fish species for glochidia of Westralunio carteri Iredale, 1934 (Bivalvia: Unionoidea: Hyriidae)

open access: yes, 2011
Freshwater fishes are the usual hosts of glochidia (the parasitic larval stage) of freshwater mussels (Bivalvia: Unionoidea). Westralunio carteri Iredale 1934 (Carter’s mussel), the only unionoid species found in the Southwest Coast Drainage Division of ...
Thomson, G.J.   +5 more
core  

Transporting freshwater mussels

open access: yes, 2016
Biologists transport freshwater ...
Hagerty, Ryan, USFWS
core   +2 more sources

The Keystone‐Pathogen Hypothesis Updated: The Role of Porphyromonas gingivalis in Periodontitis

open access: yesJournal of Periodontal Research, EarlyView.
Porphyromonas gingivalis orchestrates a coordinated manipulation of immune and inflammatory responses in periodontal tissues which leads to the generation of a dysbiotic, subgingival biofilm community, and progression of periodontitis. The type 9 secretion system, lipid A modification, and the formation of outer membrane vesicles are important ...
Mike A. Curtis   +2 more
wiley   +1 more source

THE ABSORPTION OF FAT BY FRESHWATER MUSSELS

open access: yesThe Biological Bulletin, 1915
1. Fat which is in solution in water can be absorbed by fresh water mussels.2. Such absorption is accomplished by the epithelium of the intestine and also most probably by that of the gills, mantle and foot.3. Fat is transported both by the blood corpuscles and by the plasma directly.
openaire   +3 more sources

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