Global ETD Search
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Showing 1 to 2 of 2 for “"Insect distribution"”.
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Population studies of the potato leafhopper, Empoasca fabae (Harris), on alfalfa, Medicago sativa L.
… to study the population dynamics of this insect. Distribution patterns exhibited by each stage have been used to determine sample unit size and optimum number of samples. The sampling technique was also evaluated in field population studies. The egg sampling technique, which used an acid …
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Predicting Insect Herbivore Distribution Using Climatic and Biotic Variables
… of community ecology is understanding species distribution in nature. The abundance of insect herbivores can vary greatly spatially and temporally. These variations can be explained by abiotic variables such as precipitation, they can also be explained by biotic variables such as nutrient …