Central to invasive species management plans or strategies is monitoring of the population on an appropriate scale, including a characterization of some basic components of the invasion, such as changes in distribution and abundance over time. This is true of the invasive Lionfish (Pterois volitans and P. miles) in the Atlantic waters off the southeast coast of the United States, where they have become established, but minimal information regarding region-wide metrics of long-term abundance and distribution exists. By utilizing videos from 2011 to 2021 from a fishery-independent survey, regionwide distribution and abundance trends were characterized with generalized additive models, using spatial, temporal, environmental, microhabitat features, and water property variables to explore their effects on these patterns. The probability of occurrence and relative abundance of Lionfish in the study area increased initially until reaching a peak in 2015–2017 and then declined to the end of the study period (2021). Lionfish distribution and relative abundance followed similar patterns throughout the time series, but there was no extension north or south in the region, indicating abundance levels were driven by the density of Lionfish and not changes in distribution. The same variables were identified in both models, indicating preferred habitat use and/or detectability of Lionfish can be accounted for in continued monitoring efforts and provide information for future mitigation efforts.

入侵物种管理计划或策略的核心是以适当的规模监测种群，包括描述入侵的一些基本组成部分，例如分布和丰度随时间的变化。美国东南海岸附近大西洋水域的入侵狮子鱼（ Pterois volitans和P.miles ）就是如此，它们已经在那里定居，但有关该地区长期丰度和分布的指标的信息很少。通过利用 2011 年至 2021 年独立于渔业的调查视频，利用广义相加模型对区域分布和丰度趋势进行了表征，利用空间、时间、环境、微生境特征和水属性变量来探索它们对这些模式的影响。研究区狮子鱼的出现概率和相对丰度最初增加，直至2015-2017年达到峰值，然后下降到研究期末（2021年）。狮子鱼的分布和相对丰度在整个时间序列中遵循相似的模式，但该地区没有向北或向南延伸，表明丰度水平是由狮子鱼的密度驱动的，而不是分布的变化。两个模型中都确定了相同的变量，表明狮子鱼的首选栖息地利用和/或可检测性可以在持续监测工作中得到考虑，并为未来的缓解工作提供信息。