SIMULATION-MODEL OF SEASONAL-CHANGES IN VALUE OF CATTLE DUNG AS A FOOD RESOURCE FOR AN INSECT

被引:33
作者
SANDS, P
HUGHES, RD
机构
[1] COMM SCI & IND RES ORG, DIV COMP RES, CANBERRA 2601, ACT, AUSTRALIA
[2] COMM SCI & IND RES ORG, DIV ENTOMOL, CANBERRA 2601, ACT, AUSTRALIA
来源
AGRICULTURAL METEOROLOGY | 1976年 / 17卷 / 03期
关键词
D O I
10.1016/0002-1571(76)90053-4
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
In the Canberra region [Australia] the larvae of the Australian bushfly [Musca vetustissima Walker] feed in cattle dung, and the quality of this dung is an important determinant of the population dynamics of the insect. A measure of this quality is provided by the mean mass of puparia reared under standard conditions in the laboratory. A simulation model is presented by means of which this measure and its seasonal variation can be predicted from standard observations of rainfall, temperature and 09h00-humidity. The model is based on the growth index of Fitzpatrick and Nix [1970], but incorporates a simple model for the phenological changes occurring in the pasture from which the dung derived. The model successfully simulates the masses of pupae reared in dung derived from a number of distinct pastures within 200 km of Canberra throughout the seasons 1970-71, 1971-72 and 1972-73.
引用
收藏
页码:161 / 183
页数:23
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