نتایج جستجو برای: gambusia affinis
تعداد نتایج: 1530 فیلتر نتایج به سال:
Ecological invasions, where non-native species spread to new areas, grow to high densities and have large, negative impacts on ecological communities, are a major worldwide problem. Recent studies suggest that one of the key mechanisms influencing invasion dynamics is personality-dependent dispersal: the tendency for dispersers to have a different personality type than the average from a source...
There is growing awareness on the effects of insecticides used for controlling the vectors spreading human diseases. Manipulating or introducing of a self reproducing predator into the ecosystem may present continual biological control of vector populations. In order to achieve an acceptable control of the primary Aedes aegypti (Linnaeus) and secondary Aedes albopictus (Skuse) mosquitoes (Dipte...
The effectiveness of the threespine stickleback as a mosquito control agent was compared to that of the mosquitofish in 28-m2 earthen ponds during 26-wk experiments where the 2 fish were stocked alone and together. Relative to ponds without fish, the stickleback was not effective for controlling larval mosquito populations; however, sticklebacks reduced the abundance of Culex pupae. Mosquitofis...
Many teleosts that live at the water's edge will voluntarily strand themselves to evade predators or escape poor conditions-this behavior has been repeatedly observed in the field for killifishes (Cyprinodontiformes). Although most killifishes are considered fully aquatic and possess no obvious morphological specializations to facilitate terrestrial locomotion, individuals from several differen...
The Philippines is a hotspot for biological variety and hub endemism on worldwide scale. Despite this, most of the research has focused terrestrial marine biodiversity, with little knowledge freshwater fish diversity status. There been no systematic these species in Romblon. As result, this was conducted. This study aims to evaluate fishes Tablas Island, Romblon, utilizing modified hoop nets, g...
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