The adaptations to tube-dwelling life of Propsilocerus akamusi (Diptera: Chironomidae) larvae and its eutrophication-tolerant mechanisms
Zou, W., Cai, Y., Tolonen, K., Zhu, G., Qin, B., Peng, K., & Gong, Z. (2019). The adaptations to tube-dwelling life of Propsilocerus akamusi (Diptera: Chironomidae) larvae and its eutrophication-tolerant mechanisms. Limnologica, 77, Article 125684. https://doi.org/10.1016/j.limno.2019.125684
Zou, Wei |
© 2019 Elsevier GmbH.
Propsilocerus akamusi (Diptera: Chironomidae) is a dominant macroinvertebrate species in many eutrophic lakes in subtropical and temperate zones. P. akamusi larvae can migrate deep into the sediment (>30 cm) during summer where is no oxygen. However, to our knowledge, the specific adaptive tactics of its tube-dwelling life (>30 cm) and underlying mechanisms why this species is favored by nutrient-rich lakes remain limited. With the understanding above-mentioned issues, we can provide important information for the development of sensitive biomonitoring. We examined monthly morphological dynamics and physiological adaptations of P. akamusi to anoxic conditions, and environmental relationships of the species abundance in a subtropical eutrophic lake. Results of our experiments indicated that this species presented extremely low fuel consumption at a state of estivation when the larvae dwelt in deep sediment, and conducted anaerobic respiration, with ethanol as a major metabolite, to withstand long term anoxic conditions. Additionally, in our field study, the abundance of P. akamusi correlated positively with most nutrient-related variables, indicating that this species can serve as sentinel organisms of nutrient enrichment. We suggest that the high tolerance to anoxia and detritivorous diet of P. akamusi larvae may allow the species to benefit from nutrient enrichment. The vertical niche differentiation and the avoidance of benthivorous predator by vertical sediment migration behavior may also contribute to its high dominance in eutrophic freshwaters. ...
Publication in research information system
MetadataShow full item record
Showing items with similar title or keywords.
Improving statistical classification methods and ecological status assessment for river macroinvertebrates Ärje, Johanna (University of Jyväskylä, 2016)Aquatic ecosystems are facing a growing number of human-induced stressors and the need to implement more biomonitoring to assess the ecological status of water bodies is eminent. This dissertation aims at providing tools ...
Catastrophic effects of sand mining on macroinvertebrates in a large shallow lake with implications for management Zou, Wei; Tolonen, Kimmo; Zhu, Guangwei; Qin, Boqiang; Zhang, Yunling; Cao, Zhigang; Kai, Peng; Cai, Yongjiu; Gong, Zhijun (Elsevier, 2019)Sand mining is a human activity that is increasing in inland waters and has profound effects on entire aquatic ecosystems. However, current knowledge of the effects of sand mining on freshwater lake ecosystems remains ...
Raitoharju, Jenni; Riabchenko, Ekaterina; Ahmad, Iftikhar; Iosifidis, Alexandros; Gabbouj, Moncef; Kiranyaz, Serkan; Tirronen, Ville; Ärje, Johanna; Kärkkäinen, Salme; Meissner, Kristian (Elsevier BV, 2018)Managing the water quality of freshwaters is a crucial task worldwide. One of the most used methods to biomonitor water quality is to sample benthic macroinvertebrate communities, in particular to examine the presence and ...
Schilder, Johannes; van Hardenbroek, Maarten; Bodelier, Paul; Kirilova, Emiliya P.; Leuenberger, Markus; Lotter, André F.; Heiri, Oliver (The Royal Society Publishing, 2017)Methane-derived carbon, incorporated by methane-oxidizing bacteria, has been identified as a significant source of carbon in food webs of many lakes. By measuring the stable carbon isotopic composition (δ13C values) of ...
Turve- ja metsätalouden vaikutukset kahden metsäjärven surviaissääskiyhteisöihin : paleolimnologinen tutkimus Ahokas, Tiina (2015)Tutkielmassa selvitettiin turve- ja metsätalouden vaikutuksia Martinjärven ja Iso Kivijärven surviaissääskiyhteisöihin paleolimnologisen menetelmän avulla. Järvien sedimenttiprofiileita tarkasteltiin viimeisen 400 ...