نتایج جستجو برای: bighead carp
تعداد نتایج: 6927 فیلتر نتایج به سال:
First posted June 15, 2021 For additional information, contact: Director, Northern Prairie Wildlife Research CenterU.S. Geological Survey8711 37th Street SoutheastJamestown, ND 58401Contact Pubs Warehouse Controlling range expansion of invasive carp (specifically Hypophthalmichthys spp.) on the Tennessee River is important to conserve ecological and economic benefits provided by river. We colla...
Nonindigenous bigheaded carps (Bighead Carp Hypophthalmichthys nobilis and Silver Carp H. molitrix; hereafter, “Asian carps” [AC]) threaten to invade and disrupt food webs and fisheries in the Laurentian Great Lakes through their high consumption of plankton. To quantify the potential effects of AC on the food web in Lake *Corresponding author: [email protected] Received December 6, 2014; accep...
Abstract Dam control changes the hydraulic environment and hydrological rhythm of rivers; to explore causes fish habitat loss influence river regulation in such rivers, downstream curving reaches Shaying River were cut off. Grass, silver, bighead carp selected as research targets, impact waterway effect gravel mounds on target studied using numerical simulation. The results show that original c...
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