Effect of mutual interference and spatial heterogeneity on predation of adult Chrysopa septempunctata

Abstract

Abstract: The more wheat stalks the adult Chrysopa septempunctata encountered, the more interference was met during the predation of C. septempunctata, which means that the predation efficiency was low when the spatial heterogeneity was complex. The coefficient of mutual interference within C. septempunctata was 0.9390, and that between C. septempunctata and Propylaea japonica was 0.8722. The frontier was greater than the latter. The correlation of competition strength(I) and the number of natural enemy (P) could be described as I=0.0640+1.11271gP.

Key words: Mutual interference, Spatial heterogeneity, Chrysopa septempunctata, Predation, ecosystem services, urbanization, InVEST model, driving factor, CLUE-S model

CLC Number:

S435.122⁺.2

LI Guiting, ZOU Yunding, ZHOU Xiazhi, LIU Tongwen . Effect of mutual interference and spatial heterogeneity on predation of adult Chrysopa septempunctata[J]. Chinese Journal of Applied Ecology, 2002, (4): 433-434.

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Effect of mutual interference and spatial heterogeneity on predation of adult Chrysopa septempunctata

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