Results 101 to 110 of about 54,887 (227)

Command Interneurons in the Crayfish Central Nervous System [PDF]

, 1967
The motor effects evoked by stimulation of each of eight command fibres in the circumoesophageal commissures of the crayfish are described. The fibres obtained appeared to have widespread connexions in all or most of the lower ganglia. For certain fibres
Atwood, H. L., Wiersma, C. A. G.
core  

Adaptive Capacity of Freshwater Organisms in North America: Current Understanding and Future Applications

Global Change Biology Communications, Volume 1, Issue 2, June 2026.
This paper tailors adaptive capacity understanding for North American freshwater fishes, mussels, and crayfishes by integrating trait‐based approaches to provide practical guidance for improving management and conservation decisions under global change.
H. S. Embke, K. M. Alofs, D. O. Bunnell, C. Caudill, C. Chu, C. Dunn, K. Fogelman, S. Gardner, T. Hook, S. Jackson, M. Keefer, S. Koenigbauer, O. LeDee, S. Ludsin, A. J. Lynch, B. Myers, E. Nyboer, T. Seaborn, C. Suski, L. Thurman, A. Walters, J. Westhoff   +21 more
wiley   +1 more source

First evidence of crayfish plague agent in populations of the marbled crayfish (Procambarus fallax forma virginalis)

Knowledge and Management of Aquatic Ecosystems, 2014
The introduction of non-indigenous species and associated diseases can cause declines in indigenous flora and fauna and threaten local biodiversity.
Keller N.S., Pfeiffer M., Roessink I., Schulz R., Schrimpf A.   +4 more
doaj   +1 more source

Fish and freshwater crayfish communities of the Brunswick and Preston Rivers [PDF]

, 2006
The Leschenault Inlet, located on the Swan Coastal Plain near Bunbury, is the estuary of the Brunswick, Collie, Preston and Ferguson Rivers. There is a considerable amount of information detailing the fish fauna of the Leschenault Inlet with Potter et al.
Beatty, S., Morgan, D.
core   +1 more source

Chemical changes in the adductor muscle of the cheliped of the crayfish in relation to the double motor innervation [PDF]

, 1938
Work from this laboratory has shown that a number of the striated muscles of the legs of the crayfish show a typical motor innervation (1). Such muscles are innervated by two motor fibers only, each causing a different type of contraction.
Bergren, W. R., Wiersma, C. A. G.
core   +2 more sources

Periphyton and Benthic Macroinvertebrate Response to Antimycin Piscicide During Brook Trout Restoration

Aquaculture, Fish and Fisheries, Volume 6, Issue 2, April 2026.
ABSTRACT The piscicide antimycin has been used as an effective fish toxicant to eradicate nuisance fishes because it is not as detectable by fish as other chemical piscicides. We evaluated the effects of antimycin and its detoxicant, potassium permanganate, on periphyton and benthic macroinvertebrates during a brook trout (Salvelinus fontinalis ...
Aden J. Blackburn, W. Keith Gibbs, Justin N. Murdock, Matt A. Kulp   +3 more
wiley   +1 more source

Invasive signal crayfish and native noble crayfish show trophic niche shrinkage in sympatry [PDF]

NeoBiota
Studying the coexistence of native species and invasive species with similar functional traits, habitat usage, and feeding habits is crucial for understanding the dynamics of invasion and ecological changes in the invaded ecosystem.
Fabio Ercoli, Timo J. Ruokonen, Martin Bláha, Antonín Kouba, Miloš Buřič, Lukaš Veselý   +5 more
doaj   +3 more sources

Acute and Chronic Toxicity of Sediments Containing Platinum and Palladium on Freshwater Benthic Organisms Chironomus riparius and Hyalella azteca

Journal of Applied Toxicology, Volume 46, Issue 4, Page 1151-1163, April 2026.
ABSTRACT The expanding demand for platinum group elements (PGEs) in industrial and medical applications has led to their increasing accumulation in aquatic sediments. However, their ecological impacts remain poorly understood, particularly for sediment‐dwelling invertebrates. This study assessed the toxicity of platinum (Pt) and palladium (Pd) across a
Alice Carle, Ludivine Preizal, Marc Amyot, Maikel Rosabal   +3 more
wiley   +1 more source

Prevalence of the crayfish plague pathogen Aphanomyces astaci in populations of the signal crayfish Pacifastacus leniusculus in France: evaluating the threat to native crayfish.

PLoS ONE, 2013
Aphanomyces astaci, the crayfish plague pathogen, first appeared in Europe in the mid-19(th) century and is still responsible for mass mortalities of native European crayfish.
Lenka Filipová, Adam Petrusek, Klára Matasová, Carine Delaunay, Frédéric Grandjean   +4 more
doaj   +1 more source

Monte Carlo simulation with fixed steplength for diffusion processes in nonhomogeneous media [PDF]

, 2013
Monte Carlo simulation is one of the most important tools in the study of diffusion processes. For constant diffusion coefficients, an appropriate Gaussian distribution of particle's steplengths can generate exact results, when compared with integration ...
Hoyuelos, Miguel Luis, Martin, Hector Omar, Ruiz Barlett, María Virginia   +2 more
core   +1 more source