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Bibliographic Details
Main Authors: Zeng, Linghan, Engels, Stefan, Swann, George E A, Chen, Xu, Huang, Xianyu, Cao, Yanmin, McGowan, Suzanne
Format: Dataset Open Access
Language:en
Published: PANGAEA 2024
Subjects:
Age; Age, 210Pb; Canthaxanthin, per unit mass total organic carbon; Chironomidae; Chironomidae indeterminata; Chironomid analysis (Brooks et al, 2007); Chironomus plumosus; Clinotanypus; Corynoneura; Cricotopus; Cricotopus sylvestris; Cryptochironomus; Dicrotendipes nervosus; Endochironomus albipennis; Eukiefferiella; Harnischia; High Performance Liquid Chromatography (HPLC); Hydrobaenus; Inductively coupled plasma atomic emission spectroscope (ICP-AES); Microchironomus tener; Orthocladius; Parachironomus; Paratanytarsus; Paratanytarsus penicillatus; Phosphorus, total; Polypedilum nubifer; PoyangLake; Procladius; Propsilocerus akamusi; Pseudochironomus; SEDCO; Sediment corer; Tanytarsus; Tanytarsus mendax; Ultraviolet index; Zinc/Aluminium ratio
Online Access:https://doi.org/10.1594/PANGAEA.967584
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Table of Contents:
  • The sedimentary chironomids and pigments in two Yangtze floodplain (China) lake sediment cores since 1800s CE. The sediment cores were dated using lead-210 with the constant rate of supply (CRS) model. Chironomids were ananlyzed following standard procedures. About 10 g wet samples were firstly deflocculated using 10% potassium hydroxide (KOH) in a 75 °C water bath for about 15 minutes. Then, sediments were gently washed through 212 μm and 90 μm sieves with water after which the residues on the sieves were backwashed into a sorting tray. Chironomid head capsules were picked out individually using fine forceps under a dissecting microscope. The chironomid head capsules were identified using a microscope at ×100/×400 magnification. At least 50 head capsules were picked out from each sample to make the results and interpretations statistically robust.

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