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. Projections indicated that a sampling plan consisting of 10 trees and eight flush shoots per tree would provide density estimates … presence-absence sampling plan with a fixed precision level was developed and can be used to provide a quick estimation of D …
Persistent link: https://www.econbiz.de/10009429531
Progressive elimination of rabies in wildlife has been a general strategy in Canada and the United States; common campaign tactics are trap-vaccinate-release (TVR), point infection control (PIC), and oral rabies vaccination (ORV). TVR and PIC are labor intensive and the most expensive tactics...
Persistent link: https://www.econbiz.de/10009429451
This paper presents a novel methodology for multi-scale and multi-type spatial data integration in support of insect pest risk/vulnerability assessment in the contiguous United States. Probability of gypsy moth (Lymantria dispar L.) establishment is used as a case study. A neural network...
Persistent link: https://www.econbiz.de/10009429505
We used data collected for the National Animal Health Monitoring Systems' (NAHMS) National Swine Survey to estimate the number and associated opportunity costs of piglet mortalities to producers of various herd sizes and in various regions of the United States in 1990. Opportunity costs are the...
Persistent link: https://www.econbiz.de/10009429554