Benthic macroinvertebrates were sampled at 28 sites situated on ten urban streams (Łódź, Poland) representative of a wide range of anthropogenic modifications of water chemistry and bed structure. A total of 5,043 individuals, comprising 121 species belonging to 37 families and 15 orders, were collected. Diptera (35.8 %) and Ephemeroptera (31.8 %) were dominant.

中文翻译：

---

大型无脊椎动物分类解析在城市河流生物评估中的作用：波兰罗兹市的案例研究

在 10 条城市河流（波兰罗兹）的 28 个地点对大型底栖无脊椎动物进行了采样，这些地点代表了水化学和河床结构的广泛人为改变。共采集个体5043头，隶属于15目37科121种。双翅目(35.8%)和蜉蝣目(31.8%)占优势。