求翻译：根据海洲湾2006年8月-2007年11月强壮箭虫（Sagitta crassa）的调查数据，采用聚集强度指标、Iwao聚集格局回归模型、Taylor幂法则分析了强壮箭虫（Sagitta crassa）的空间分布特征和丰度的时空变化。结果表明：强壮箭虫（Sagitta crassa）在调查海域呈聚集分布；强壮箭虫（Sagitta crassa）平均丰度的时空变化差异明显，空间上，中、北部海域的平均丰度高于南部海域，时间上，强壮箭虫（Sagitta crassa）春、冬季节的平均丰度明显高于夏、秋季节。是什么意思？

Haizhou Bay in August 2006 - November 2007 strong arrow worms (sagitta crassa) survey data, gathered strength indicators, iwao aggregation pattern of regression model, the Taylor power law of the strong arrow worms (sagitta crassa), the spatial distribution of Temporal and spatial variation of the c

Based on the Bay 8, 2006 - November 2007 strong arrow worms (Sagitta crassa) of the survey data, together with Iwao gathered strength indicators, patterns, Taylor regression model analysis of the power law, strong arrow worms (Sagitta crassa) characteristics of the spatial distribution and abundance

According to the August 2006 in Haizhou Bay Sagitta crassa (Sagitta crassa) of survey data, gathered strength, Iwao pattern of clustered regression analysis model, Taylor power laws Sagitta crassa (Sagitta crassa) spatial and temporal changes in spatial distribution and abundance of. Results show th