Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Mayflies as resource pulses in Jurassic lacustrine ecosystems
Geology ( IF 5.8 ) Pub Date : 2022-09-01 , DOI: 10.1130/g50055.1 Qianqi Zhang 1, 2 , Bo Wang 1 , Daran Zheng 1 , Jiahao Li 1, 2 , Xueheng Wang 3 , Edmund A. Jarzembowski 1, 4 , Chunpeng Xu 1, 2 , Ting Li 1, 2 , Haichun Zhang 1, 2 , Michael S. Engel 5, 6, 7
Geology ( IF 5.8 ) Pub Date : 2022-09-01 , DOI: 10.1130/g50055.1 Qianqi Zhang 1, 2 , Bo Wang 1 , Daran Zheng 1 , Jiahao Li 1, 2 , Xueheng Wang 3 , Edmund A. Jarzembowski 1, 4 , Chunpeng Xu 1, 2 , Ting Li 1, 2 , Haichun Zhang 1, 2 , Michael S. Engel 5, 6, 7
Affiliation
Resource pulses, occasional events of ephemeral resource superabundance, represent a fundamental mechanism by which energy, nutrients, and biomass are transported across ecotones. They are widespread in extant ecosystems; however, little is known about their deep-time record. We report the earliest-known mayfly swarm from the Early Jurassic Xiwan biota of southern China. Our taphonomic and sedimentological analyses show that these mayflies were buried on the bottom of a calm lake after post-mating death. Our suite of analyses suggests that the complex mating-swarm behavior was already well established in mayflies by the Early Jurassic. More importantly, our find represents the earliest-known resource pulse of insects, a mechanism that can play a substantial role in nutrient transport from aquatic ecosystems to surrounding terrestrial ecosystems. Such an aquatic-terrestrial ecosystem linkage may be a key novelty in Mesozoic lacustrine ecosystems. Our results high-light the underappreciated ecological significance of insects in deep-time terrestrial ecology.
更新日期：2022-08-25
京公网安备 11010802027423号