Results 11 to 20 of about 55,507 (255)
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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Probable Displacement of Riffle-Dwelling Invertebrates by the Introduced Rusty Crayfish, \u3ci\u3eOrconectes Rusticus\u3c/i\u3e (Decapoda: Cambaridae) in a North-Central Wisconsin Stream [PDF]
, 2018 The rapid northward range expansion of the rusty crayfish, Orconectes rusticus, and its negative effects on Wisconsin lakes have been the subjects of intense study throughout the last fifteen years.
Dimick, Jeffrey J +2 more
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CRAYFISHERIES IN FINLAND, A SHORT OVERVIEW
Knowledge and Management of Aquatic Ecosystems, 2004 Crayfish trapping and activities related to crayfishing have traditionally been lucrative businesses in rural Finland. The catch itself, varying in the 1990’s from 2 to 4 millions crayfish annually, is worth 4 to 8 millions euros.
JUSSILA J., MANNONEN A.
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Principal Component Analysis and Cluster Analysis for Evaluating Free Amino Acids in Crayfish (Procambarus clarkii) from Different Co-culture Modes [PDF]
Shipin Kexue, 2023 To investigate the difference in the comprehensive quality of free amino acids (FAA) in crayfish meat from different co-culture modes, the FAA composition of crayfish tail meat from three representative co-culture modes in Xinghua city of Jiangsu ...
LI Pengpeng, WEN Limin, LÜ Jingxiu, BIAN Huan, ZHU Yongzhi, WANG Daoying,, GENG Zhiming, XU Weimin, ZHANG Fengxiang, YAO Tianyu
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STATUS OF FRESHWATER CRAYFISH IN LATVIA
Knowledge and Management of Aquatic Ecosystems, 2005 There are three crayfish species present in Latvia: the European noble crayfish (Astacus astacus), the narrow-clawed crayfish (Astacus leptodactylus), and the North-American signal crayfish (Pacifastacus leniusculus) species. Probably only noble crayfish
ARENS A., TAUGBØL T.
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Animal, 2018 Female crayfish stores male gametes after mating until the beginning of egg laying and fertilization. The aim of the present study was to investigate the duration of post-mating spermatophore storage as well as the timing and temperature of spawning in ...
B. Yazicioglu +3 more
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Three crayfish species of different origin in a medium-sized river system: a new state of affairs
Knowledge and Management of Aquatic Ecosystems, 2021 In view of contemporary changes in aquatic environments, determining the distribution of both native and emerging invasive crayfish species is increasingly important.
Radtke Grzegorz +4 more
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Sleep in invertebrates crayfish [PDF]
Frontiers in Bioscience, 2012 Although sleep is a very conspicuous behavior in all animals that we are frequently in contact with and possibly in many others, its scientific study was for many years restricted to very few of them. However, since the end of the XX century there have been studies about sleep in several animals and currently many of them attempt to found, first, if ...
Fidel, Ramon +2 more
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