Attributes of a hopper-predator community in a rice field |
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Authors: | S.J. Chang H.I. Oka |
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Affiliation: | Department of Agronomy, National Chung Hsing University, Taichung, Taiwan, Republic of China |
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Abstract: | A hopper-predator community in an experimental rice field was observed weekly with regard to information content (H′), formation of a geometric series or the grade of orderly distribution of component taxa (R2), and clumping index (I). These community attributes changed with time in close association with one another, and attained the highest values around the heading time of the rice. Significant correlations were found between the density of prey and that of predators when a certain time-lag was assumed for the increase of predators. |
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