Results 41 to 50 of about 88,469 (341)
Fish and Crayfish Toxicology [PDF]
BioMed Research International, 2014 Pollution of the environment and its protection have become increasingly to the forefront of mankind's concerns. Aquatic ecosystems are exposed to a continual inflow of pollutants of both natural and anthropogenic origin. These substances can in many cases result in negative changes in water quality.
Velíšek, Josef +3 more
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Archives of Polish Fisheries, 2014 Interactions were studied among juvenile narrow-claw crayfish, Astacus leptodactylus (Eschscholtz), and common water frog, Rana esculenta (L.), tadpoles and common blue damselfly, Enallagma cyathigerum (Charpentier), larvae during rearing under ...
Ulikowski Dariusz +4 more
doaj +1 more source
Parasitology, 1956 Epidemics in English crayfish, Astacus pallipes, were found to be due to micro-sporidia and yeasts similar to, if not identical with, those causing diseases in another Crustacean, namely, Gammarus pulex, in many parts of England.
openaire +2 more sources
Grading crayfish by estimating the proportion of crayfish head and pincers based on DeepLab V3+
Shipin yu jixieObjective: To achieve reasonable and effective grading of live crayfish, and improve the work of grading crayfish. Methods: The construction of crayfish image shooting platform, to obtain the original image of crayfish, and the semantic segmentation ...
WANG Zihao +3 more
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Prohibiting pet crayfish does not consistently reduce their availability online
Nauplius, 2018 The pet trade is a significant source of introductions of non-indigenous aquatic species, such as crayfish. To test whether legislation that regulates the ownership of ornamental animals for aquariums had the desired effect of reducing the availability ...
Zen Faulkes
doaj +1 more source
Does the Density of Invasive Rusty Crayfish Affect Stream Macroinvertebrates? [PDF]
, 2009 Rusty crayfish (_Orconectes rusticus_) have invaded streams of the upper Susquehanna River catchment (New York, USA), replacing native crayfish and probably increasing overall crayfish density.
Anthony Prisciondaro +5 more
core +1 more source
Contamination of Vibrio parahaemolyticus in crayfish for sale
Frontiers in MicrobiologyCrayfish (Procambarus clarkii) are economically important freshwater crustaceans. With the growth of the crayfish industry, the associated food-safety risks should be seriously considered.
Kui Wu +16 more
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Effect of Key Technology on Texture of Ready-to-eat Crayfish in Soft Packaging
Shipin gongye ke-ji, 2022 In order to explore the effect of key technology on crayfish product quality, crayfish was used as raw material through texture analysis, low field nuclear magnetic resonance and sensory evaluation methods.
Xuehong LI +9 more
doaj +1 more source
The Effects of Intraspecific Variation of Crayfish Behavior on Nutrient Cycling in Aquatic Environments [PDF]
, 2020 Human activities are rapidly altering species traits at a global scale. Yet, there remains a critical need to determine whether trait variation within species affects ecosystem responses to global change. In particular, intraspecific variation in feeding
Acheson, Paul
core
Frontiers in Ecology and Evolution, 2021 For 150 years the crayfish plague disease agent Aphanomyces astaci has been the cause of mass mortalities among native European crayfish populations. However, recently several studies have highlighted the great variability of A.
Caterina Francesconi +6 more
doaj +1 more source