نتایج جستجو برای: Introduced fish

تعداد نتایج: 334631  

Journal: :iranian journal of veterinary research 2009
s. shamsi b. jalali m. aghazadeh meshgi

in the present study, we reported infection with eighteen species of the genus dactylogyrus, belong to thefamily dactylogyridae from five breeder fish species, including common carp (cyprinus carpio), grass carp(ctenopharyngodon idella), silver carp (hypophthalmichthys molitrix), big head carp (hypophthalmichthysnobilis) and black carp (myelopharyngodon piceus) which introduced and imported to ...

B. Jalali, M. Aghazadeh Meshgi S. Shamsi

In the present study, we reported infection with eighteen species of the genus Dactylogyrus, belong to thefamily Dactylogyridae from five breeder fish species, including common carp (Cyprinus carpio), grass carp(Ctenopharyngodon idella), silver carp (Hypophthalmichthys molitrix), big head carp (Hypophthalmichthysnobilis) and black carp (Myelopharyngodon piceus) which introduced and imported to ...

2003
Michael R. Meador Larry R. Brown Terry Short

Data collected from 20 major river basins between 1993 and 1995 as part of the US Geological Survey’s (USGS) National Water-Quality Assessment (NAWQA) Program were analyzed to assess patterns in introduced and native fish species richness and abundance relative to watershed characteristics and stream physicochemistry. Sites (N = 157) were divided into three regions-northeast, southeast, and wes...

Journal: :The Journal of animal ecology 2011
Rachel A Paterson Colin R Townsend Robert Poulin Daniel M Tompkins

1. Native parasite acquisition provides introduced species with the potential to modify native host-parasite dynamics by acting as parasite reservoirs (with the 'spillback' of infection increasing the parasite burdens of native hosts) or sinks (with the 'dilution' of infection decreasing the parasite burdens of native hosts) of infection. 2. In New Zealand, negative correlations between the pre...

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