Results 91 to 100 of about 4,376,664 (253)

Distribution of functional feeding groups of aquatic and semi-aquatic insects on macrophytes in an artificial lentic system in southern Brazil [PDF]

open access: yesActa Limnologica Brasiliensia
: Aim To understand the distribution of functional feeding groups (FFGs) of aquatic and semiaquatic insects associated with macrophytes in a lentic system, we tested whether the abundance of FFGs varied across sampling periods and analyzed the variation
Thaiz Ramos   +2 more
doaj   +1 more source

Responses in Plant Growth and Root Exudates of Pistia stratiotes under Zn and Cu Stress

open access: yesPlants
At present, the situation regarding heavy metal pollution in aquatic environments is becoming more and more serious. The bioaccumulation of heavy metals in aquatic plants causes obvious phytotoxicity, which can also induce secondary pollution in the ...
Yujie Wang   +8 more
doaj   +1 more source

Aquatic plants for removal of mevinphos from the aquatic environment [PDF]

open access: yes
Fragrant waterlily (Nymphaea odorata, Ait.), joint-grass (Paspalum distichum L.), and rush (Juncus repens, Michx.) were used to evaluate the effectiveness of vascular aquatic plants in removing the insecticide mevinphos (dimethyl-1-carbomethoxy-1propen-2-
Wolverton, B. C.
core   +1 more source

EFFECTS OF RESERVOIR AQUATIC PLANT MANAGEMENT ON RECREATIONAL EXPENDITURES AND REGIONAL ECONOMIC ACTIVITY [PDF]

open access: yes
Exotic aquatic plant management is a major concern for public reservoir management in many regions of the United States. A study was conducted to measure the effects of alternative aquatic plant management strategies on recreational expenditures and ...
Bergstrom, John C.   +4 more
core   +1 more source

Population response of triploid grass carp to declining levels of hydrilla in the Santee Cooper Reservoirs, South Carolina [PDF]

open access: yes, 2000
Approximately 768,500 triploid grass carp ( Ctenopharyngodon idella Valenciennes) were stocked into the Santee Cooper reservoirs, South Carolina between 1989 and 1996 to control hydrilla ( Hydrilla verticillata (L.f.) Royle).
Killgore, K. Jack   +4 more
core  

Effects of Triclopyr on Variable-Leaf Watermilfoil [PDF]

open access: yes, 2003
The objective of the study described here was to determine the effect on variable-leaf watermilfoil of various combinations of triclopyr concentrations and exposure times using dosage rates that controlled Eurasian watermilfoil under laboratory and ...
Getsinger, Kurt D.   +2 more
core  

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