Zobrazeno 1 - 10 of 15 pro vyhledávání: '"K. E. F. Watt"'
2
A Mathematical Model for the Effect of Densities of Attacked and Attacking Species on the Number Attacked
Autor: K. E. F. Watt
Publikováno v: The Canadian Entomologist. 91:129-144
Any realistic mathematical model of insect pest population dynamics to be used in maximizing control efficiency must mimic the effects of weather, the habitat, other organisms of various specles, food, and chemicals applied by man. However. before su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d5c8f17b8991f969f7cdcb8a2d610689
https://doi.org/10.4039/ent91129-3
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5
The Use of Mathematics and Computers to Determine Optimal Strategy and Tactics for a Given Insect Pest Control Problem
Autor: K. E. F. Watt
Publikováno v: The Canadian Entomologist. 96:202-220
A computer program has been developed for use in evaluating various strategies of insect pest control. At its present stage of development, the program simulates the effects of various dosages of insecticide, parasite release, and spraying of virus,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98a63d3d4a66f4bffe8e7f671c8e95c0
https://doi.org/10.4039/ent96202-1
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6
The Effect of Population Density on Fecundity in Insects
Autor: K. E. F. Watt
Publikováno v: The Canadian Entomologist. 92:674-695
Four steps are necessary in constructing and utilizing a mathematical model for control of a specific insect pest. First, a large volume of field data must be collected according to a plan which is sound from both statistical and biological points of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a06de455e2a446ba33608affd87d97bb
https://doi.org/10.4039/ent92674-9
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7
Yields of Year Classes of the Smallmouth Bass Hatched in the Decade of 1940 in Manitoulin Island Waters
Autor: F. E. J. Fry, K. E. F. Watt
Publikováno v: Transactions of the American Fisheries Society. 85:135-143
Yields of smallmouth bass (Micropterus dolomieui) hatched in the years 1941 through 1949 have been estimated for South Bay, Lake Huron. Subsidiary estimates for bass in neighboring waters were also made. Fluctuations in year-class strength appear to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efc177b0a7d672dac00a7aa409f108f3
https://doi.org/10.1577/1548-8659(1955)85[135:yoycot]2.0.co
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