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Litter Decomposition and C-N of Three Dominant Plants Dataset in Poyang Lake Wetland


ZHANG Quanjun1DUAN Houlang2,3WU Dongli1XIA Shaoxia*2,3YU Xiubo*2,3
1 Meteorological Observation Centre,China Meteorological Administration,Beijing 100081,China2 Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China3 University of Chinese Academy of Sciences,Beijing 100049,China

DOI:10.3974/geodb.2025.10.06.V1

Published:Oct. 2025

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Key Words:

dry matter,lignin,cellulose,Carbon-Nitrogen-Phosphorus (C-N-P),Poyang Lake Wetland

Abstract:

In 2017, an in-situ litter decomposition simulation experiment was conducted for Phragmites australis, Triarrhena lutarioriparia, and Carex cinerascens in the Baisha Lake area of the Nanji Mountain National Nature Reserve in Poyang Lake. 5 fixed sample plots were established on a tidal flat environment with minimal human disturbance and good vegetation growth. Samples were collected on the 15th, 30th, 60th, 90th, 120th, and 150th days after deployment to systematically obtain dynamic data on the organic matter decomposition process, carbon, nitrogen, and phosphorus cycling, as well as δ¹³C and δ¹⁵N content. Then the dataset on litter decomposition and C, N of 3 dominant plants in Poyang Lake Wetland was developed. The dataset includes: (1) geo-location data of the sample sites; (2) dry matter decomposition rate of samples; (3) lignin decomposition data; (4) cellulose decomposition data; (5) relative return index of total carbon; (6) relative return index of total nitrogen; (7) relative return index of total phosphorus; (8) δ¹³C content; (9) δ¹⁵N content. The dataset is archived in .shp and .xlsx formats, and consists of 9 data files with data size of 73.8 KB (Compressed into one single file with 64.2 KB).

Foundation Item:

Jiangxi Province (JXBC-GC20231009); National Natural Science Foundation of China (41971133)

Data Citation:

ZHANG Quanjun, DUAN Houlang, WU Dongli, XIA Shaoxia*, YU Xiubo*. Litter Decomposition and C-N of Three Dominant Plants Dataset in Poyang Lake Wetland[J/DB/OL]. Digital Journal of Global Change Data Repository, 2025. https://doi.org/10.3974/geodb.2025.10.06.V1.

References:


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Data Product:

ID Data Name Data Size Operation
1 LitterDEC_PLW.rar 64.20KB
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