Results 11 to 20 of about 28,506 (176)

Consequences for lotic ecosystems of invasion by signal crayfish [PDF]

, 2012
PhDNon-native invasive species are major drivers of biodiversity loss and ecosystemlevel modification. The signal crayfish (Pacifastacus leniusculus) is a highly successful invasive species and demonstrates traits often seen in keystone species ...
Hayes, Richard Birchall
core   +4 more sources

Influence of water regulation and water flow on Noble crayfish (Astacus astacus) catch yield in Ljungan a Northern Swedish River after building of a power plant

, 2010
Free-flowing water is thought to be of importance for reproduction and body growth of noble crayfish (Astacus astacus (Linné)) in the northern edge of its distribution area.A hydroelectric power plant with a bypass tunnel was built in the river Ljungan ...
Palo, Thomas,, Zimmerman, Jenny,
core   +9 more sources

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.
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 ...
Kevin J. Collier, Charles F. Rabeni, Collier, Kevin J., Rabeni, C.F., Hicks, Brendan J., Parkyn, Stephanie M., Brendan J. Hicks, Stephanie M. Parkyn   +7 more
core   +1 more source

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.
doaj   +1 more source

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
doaj   +1 more source

Multiple drivers of decline in the global status of freshwater crayfish (Decapoda: Astacidea) [PDF]

, 2015
Rates of biodiversity loss are higher in freshwater ecosystems than in most terrestrial or marine ecosystems, making freshwater conservation a priority.
Eversole,, A., Furse,, J., Richman, NI, Richman, N.I., Edsman, L, Jones,, C., Richardson, A.M., Gherardi, F, Bunn, J.S.J., Crandall, KA, Richman,, N., Alvarez,, F., Lawler, S, Cordeiro,, J., Bunn, JJS, Jones, JPG, Lopez-Mejia, M., Johnston, K., Holdich,, D., Furse, JM, Sibley, PJ, Horwitz, P., Kawai, T., Schultz, M.B., Johnston,, K., Pedraza-Lara,, C., Souty-Grosset, C, Jones,, J., Schuster,, G., Hamr, P., Jones,, R., Doran, NE, Edsman, L., Adams, S.B., Bohm, M., Jones, JP, Miller, R.M., Coughran, J, Sibley,, P., Crandall, K.A., Fureder,, L., Eversole, A.G., Jones, R.L., Collen, B., DiStefano, RJ, Pedraza-Lara, C., Pedraza-Lara, C, Walls,, J., Crandall,, K., Jones, RL, Holdich, D.M., Hamr,, P., Jones, TG, Hamr, P, DiStefano,, R., Richardson, AMM, Richardson,, A., Jones, CM, Bergey, EA, Jones, T.G., Jones,, T., López-Mejía, M, Thoma, RF, Dawkins,, K., Thoma,, R., Reynolds,, J., Doran, N.E., Dawkins, KL, Bunn,, J., Thoma, R.F., Lawler,, S., Eversole, AG, Walsh,, T., Jones, J.P.G., Coughran, J., Schuster, G.A., Walls, J., Kawai, Tadashi, Burnham, Q, Reynolds, JD, Taylor,, C., Adams, SB, Horwitz, P, Cordeiro, J., Taylor, C.A., Collen,, B., Bergey, E.A., Bunn, JJ, Lawler, S., Collen, B, Jones, C.M., Furse, J.M., Fureder, L., Cordeiro, J, Walsh, TS, Doran,, N., Schultz,, M., Schuster, GA, Taylor, CA, Böhm, M, Adams,, S., Bergey,, E., Burnham, Q., Jones, J.P., Miller,, R., DiStefano, R.J., Alvarez, F., Walls, J, Horwitz,, P., Richardson, A.M.M., Bunn, J.S., Alvarez, F, Kawai, T, López-Mejίa, M, Burnham,, Q., Reynolds, J.D., Bunn, J.J.S., Padraza-Lara, C., Sibley, P.J., Johnston, K, Miller, RM, Richardson, AM, Füreder, L, Holdich, DM, Coughran,, J., Lopez-Mejia,, M., Dawkins, K.L., Souty-Grosset, C., Richman, N., Gherardi, F., Walsh, T.S., Schultz, MB   +131 more
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Post-mating spermatophore storage strategies in two species of crayfish: implications for broodstock management

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, A. Kouba, P. Kozák, H. Niksirat   +3 more
doaj   +1 more source

THE EFFECT OF THE LARGE-SCALE INTRODUCTION OF SIGNAL CRAYFISH ON THE SPREAD OF CRAYFISH PLAGUE IN SWEDEN

Knowledge and Management of Aquatic Ecosystems, 2006
Since 1907, coinciding with the arrival of the crayfish plague, the noble crayfish (Astacus astacus) has steadily declined in Sweden. To substitute the noble crayfish fishery lost, mainly due to the plague, and since the species is highly susceptible to ...
BOHMAN P., NORDWALL F., EDSMAN L.
doaj   +1 more source

Distribution and abundance of fish and crayfish in a Waikato stream in relation to basin area [PDF]

, 2003
The aim of this study was to relate the longitudinal distribution of fish and crayfish to increasing basin area and physical site characteristics in the Mangaotama Stream, Waikato region, North Island, New Zealand.
Hicks, Brendan J., Brendan J. Hicks
core   +1 more source