Houghton David C
Department of Biology, Hillsdale College, 33 East College Street, Hillsdale, MI 49242, USA Hillsdale College Hillsdale United States of America.
Zookeys. 2022 Jul 11;1111:267-286. doi: 10.3897/zookeys.1111.70195. eCollection 2022.
The caddisfly assemblages of six lakes and 12 1-4 order streams of the Huron Mountains of northern Upper Michigan (USA) were sampled monthly with ultraviolet lights during June-September 2019. A total of 169 species representing 63 genera and 19 families was collected, including five species not found elsewhere in Michigan and two species endemic to the state. Species assemblages between lotic and lentic habitats were distinct from each other, with 11 species indicating lakes and 23 indicating rivers. Despite the taxonomic differences, biomass of functional feeding groups (FFGs) was similar between lakes and rivers, except for higher biomass of predators in the former and higher biomass of filtering collectors in the latter. The FFG biomass of both habitat types was dominated (50-70%) by shredders. Considering the undisturbed condition of the habitats, the caddisfly assemblages and FFG biomass of the Huron Mountains can serve as regional biological monitoring reference conditions.
2019年6月至9月期间，每月使用紫外线灯对美国密歇根州上半岛北部休伦山脉的6个湖泊和12条1-4级溪流中的毛翅目昆虫群落进行采样。共采集到169个物种，分属于63个属和19个科，其中包括5个在密歇根州其他地方未发现的物种和2个该州特有的物种。流水生境和静水生境之间的物种组合彼此不同，有11个物种指示湖泊，23个物种指示河流。尽管存在分类学差异，但湖泊和河流中功能摄食组（FFG）的生物量相似，只是前者中捕食者的生物量较高，后者中过滤收集者的生物量较高。两种生境类型的FFG生物量均以碎食者为主（占50-70%）。考虑到这些生境未受干扰的状况，休伦山脉的毛翅目昆虫群落和FFG生物量可作为区域生物监测的参考条件。
