FOREST PEST INTERACTION DYNAMICS - THE SIMPLEST MATHEMATICAL-MODELS

被引：37

作者：

ANTONOVSKY, MY

FLEMING, RA

KUZNETSOV, YA

CLARK, WC

机构：

[1] ENVIRONM CANADA, CANADIAN FORESTRY SERV, INST FOREST PEST MANAGEMENT, Sault Ste Marie P6A 5M7, ONTARIO, CANADA

[2] ACAD SCI USSR, CTR RES COMP, PUSHCHINO, USSR

[3] HARVARD UNIV, JOHN F KENNEDY SCH GOVT, SCI & PUBL POLICY PROGRAM, CAMBRIDGE, MA 02138 USA

来源：

THEORETICAL POPULATION BIOLOGY | 1990年 / 37卷 / 02期

关键词：

D O I：

10.1016/0040-5809(90)90043-U

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

This paper is devoted to the investigation of the simplest mathematical models of non-even-aged forests affected by insect pests. Two extremely simple situations are considered: (1) the pest feeds only on young trees; (2) the pest feeds only on old trees. The parameter values of the second model are estimated for the case of balsam fir forests and the eastern spruce budworm. It is shown that an invasion of a small number of pests into a steady-state forest ecosystem could result in intensive oscillations of its age structure. Possible implications of environmental changes in forest ecosystems are also considered. © 1990.

引用

页码：343 / 367

页数：25

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