E Nathanail - 《Transportation Research Part A Policy & Practice》 被引量: 233发表: 2008年 Exponential Mixture Models with Long-Term Survivors and Covariates Suppose a population contains individuals who may be subject to failure with exponentially distributed failure times, or else are "immune" to...
Local escape of an invasive plant, common ragweed (Ambrosia artemisiifolia L.), from above-ground and below-ground enemies in its native area 1. The Enemy Release Hypothesis proposes that exotic species gain an advantage in new regions because their natural enemies are lost during invasion; howev...
To control invasive species and prioritize limited resources, managers need information about population size to evaluate the current state of the problem, the trend in population growth through time, and to understand the potential magnitude of the problem in the absence of ma...