Results 31 to 40 of about 55,507 (255)

'Leaves and Eats Shoots': Direct Terrestrial Feeding Can Supplement Invasive Red Swamp Crayfish in Times of Need [PDF]

, 2012
PMCID: PMC3411828This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are ...
Jonathan Grey, Michelle C. Jackson, Stephanie M. Carlson   +2 more
core   +9 more sources

Native European crayfish Astacus astacus competitive in staged confrontation with the invasive crayfish Faxonius limosus and Procambarus acutus.

PLoS ONE, 2022
The European native, noble crayfish (Astacus astacus) has suffered from a serious and long term population decline due to habitat destruction, water pollution and the impact of the invasive North American crayfish that are carriers of the crayfish plague
Ivo Roessink, Karina A E van der Zon, Sophie R M M de Reus, Edwin T H M Peeters   +3 more
doaj   +1 more source

Evaluating techniques for sampling stream crayfish (paranephrops planifrons) [PDF]

, 1997
We evaluated several capture and analysis techniques for estimating abundance and size structure of freshwater crayfish (Paranephrops planifrons) (koura) from a forested North Island, New Zealand stream to provide a methodological basis for future ...
Brant T. M., Cummins K. W., DiStefano R. J., Hopkins C. L., Lodge D. M., Mason J. C., Ricker W. E., Shave C. R., Smith M. J., Westman K.   +9 more
core   +2 more sources

Heavy metals effects on life traits of juveniles of Procambarus clarkii [PDF]

, 2019
An incubation experiment of juvenile crayfish (Procambarus clarkii) following a three- level treatment design approach was performed to assess the effect of different heavy metal concentrations on their life history traits (lifespan, growth, moult and ...
Alcorlo, Paloma, Baltanás, Angel, Lozano, Irene   +2 more
core   +1 more source

Grading crayfish by estimating the proportion of crayfish head and pincers based on DeepLab V3+

Shipin yu jixie
Objective: 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, HU Zhigang, FU Dandan, JIANG Yajun   +3 more
doaj   +1 more source

Measures to Control Invasive Crayfish Species in Switzerland: A Success Story?

Frontiers in Environmental Science, 2020
Invasive crayfish species were first documented in Switzerland in the 1970s. Today, North American crayfish species dominate in most major lakes and streams in Switzerland.
Raphael Krieg, Alex King, Armin Zenker
doaj   +1 more source

Land use, associated eel production, and abundance of fish and crayfish in streams in Waikato, New Zealand [PDF]

, 1997
The density and biomass of fish and crayfish, and the production of eels, was compared among streams in native forest, exotic forest, and pasture. Populations were estimated by multiple-pass electroshocking at 11 sites in hill-country streams in the ...
Cairns D., Hicks B. J., Hopkins C. L.
core   +2 more sources

Crayfish epidemics

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

Contamination of Vibrio parahaemolyticus in crayfish for sale

Frontiers in Microbiology
Crayfish (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, Dazhao Zou, Dazhao Zou, Yongyan Long, Lin Xue, Shufen Shuai, Feiyan Tian, Mei Li, Guoyin Fan, Yangyun Zheng, Xiangrong Sun, Wei Wang, Li Wang, Xiansheng Ni, Xiaoling Zhang, Yibing Fan, Hui Li   +16 more
doaj   +1 more source

Interaction between juvenile narrow-claw crayfish, Astacus leptodactylus (Eschscholtz), and common water frog, Rana esculenta (L.), tadpoles or common blue damselfly, Enallagma cyathigerum (Charpentier), larvae during rearing under controlled conditions

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, Piotrowska Iwona, Chybowski Łucjan, Krzywosz Tadeusz, Traczuk Piotr   +4 more
doaj   +1 more source