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Data Details

Dataset of Poyang Lake Herbivorous Wintering Waterbird Droppings and Carex cinerascens Kükenth Decomposition


ZHANG Quanjun1XIA Shaoxia2WU Dongli1DUAN Houlang*2YU Xiubo*2
1 Meteorological Observation Centre，China Meteorological Administration，Beijing 100081，China2 Institute of Geographic Sciences and Natural Resources Research，Chinese Academy of Sciences，Beijing 100101，China

DOI:10.3974/geodb.2025.09.02.V1

Published:Sep. 2025

Visitors：30       Data Files Downloaded：1      
Data Downloaded：0.09 MB      Citations：

Key Words：

dry matter,lignin,cellulose,carbon-nitrogen-phosphorus (C-N-P),Poyang Lake,waterbirds

Abstract：

The author team established five fixed sample plots within the Baisha Lake area of Poyang Lake Nanjishan Reserve in 2017, where it was a beach environment with minimal human disturbance, frequent activities of herbivorous waterbirds, dense bird droppings, and well-developed vegetation. An in-situ decomposition simulation experiment was conducted using Carex cinerascens Kükenth litter and droppings additions from herbivorous overwintering waterbirds (primarily Anatidae). Samples were collected on the 5th, 15th, 30th, 60th, 90th, 120th, and 150th days after deployment to systematically obtain dynamic data on the organic matter decomposition process and the cycling of carbon, nitrogen, and phosphorus elements, forming the Dataset of Poyang Lake Herbivorous Wintering Waterbird droppings and Carex cinerascens Kükenth Decomposition. The data results indicate that the addition of bird feces significantly accelerated the decomposition rate of Carex cinerascens Kükenth litter. Although bird droppings decomposed relatively slowly, they exhibited high nitrogen and phosphorus release capacity. The dataset includes: (1) geo-location information of the sample plots; (2) dry matter decomposition rate of samples; (3) lignin decomposition data; (4) cellulose decomposition data; (5) total carbon return; (6) total nitrogen return; and (7) total phosphorus return. The dataset is archived in .shp and .xlsx formats, and consists of 9 files with data size of 96.4 KB (Compressed into one file with 89.3 KB).

Foundation Item：

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

Data Citation：

ZHANG Quanjun, XIA Shaoxia, WU Dongli, DUAN Houlang*, YU Xiubo*.Dataset of Poyang Lake Herbivorous Wintering Waterbird Droppings and Carex cinerascens Kükenth Decomposition[J/DB/OL]. Digital Journal of Global Change Data Repository, 2025. https://doi.org/10.3974/geodb.2025.09.02.V1.

References：


     [1] Berg, B., Mcclaugherty, C. Plant Litter: Decomposition, Humus Formation, Carbon Sequestration [M]. New York: Springer Berlin Heidelberg, 2014.
     [2] Roehm, C. Respiration in Wetland Ecosystems [M]. New York: Oxford University Press, 2005.
     [3] William, D, Reddy, K. Litter decomposition and nutrient dynamics in a phosphorus enriched Everglades Marsh [J]. Biogeochemistry, 2005, 75(2): 217.
     [4] Zhang, Q. J., Yu, X. B., Hu, B.H. Research on the characteristics of plant communities in the Poyang Nanji Wetlands, China [J]. Resources Science, 2013, 35(1): 42-49.
     [5] Guan, L., Wen, L., Feng, D. D., et al. Delayed flood Recession in central Yangtze Floodplains can cause significant food shortages for wintering geese: results of Inundation experiment [J]. Environmental Management, 2014, 54(6): 1331-1341.
     [6] Zhang, N., Li, Y. G, Shan, J. H., et al. Community structure, abundance and spatial distribution of water birds wintering in Poyang Lake wetland [J]. Journal of Lake Sciences, 2019, 31(1): 183-194.
     [7] Manny, B., Johnson, W., Wetzel, R. Nutrient additions by waterfowl to lakes and reservoirs: predicting their effects on productivity and water quality [J]. Hydrobiologia, 1994, 279-280(1): 121-132.
     [8] Chaichana, R., Leah, R., Moss, B. Birds as eutrophicating agents: a nutrient budget for a small lake in a protected area [J]. Hydrobiologia, 2010, 646(1): 111-121.
     [9] Hahn, S., Bauer, S., Klaassen, M. Quantification of allochthonous nutrient input into freshwater bodies by herbivorous waterbirds [J]. Freshwater Biology, 2010, 53(1): 181-193.
     [10] Zhang, Q. J., Zhang, G. S., Wan, S. X., et al. Effects of herbivorous overwintering migratory birds' droppings on the decomposition of Carex cinerascens Kükenth and C, N, P release in Lake Poyang wetland [J]. Journal of Lake Sciences, 2019, 31(3): 814-824.
     [11] Zhang, Q. J., Zhang, G. S., Yu, X. B., et al. How do droppings of wintering waterbird accelerate decomposition of Carex cinerascens Kükenth litter in seasonal floodplain Ramsar Site? [J]. Wetlands Ecology and Management, 2021(5). DOI: 10.1007/s11273-021-09804-w.
     [12] Liu, X. Z., Hu, B. H. Comprehensive Scientific Investigation of Nanjishan Wetland Nature Reserve in Jiangxi Province [M]. Beijing: China Forestry Publishing House, 2005.
     [13] Editorial Board of Research on Poyang Lake. Research on Poyang Lake [M]. Shanghai: Shanghai Scientific & Technical Publishers, 1988.
     [14] Zhang, Q. J., Yu, X. B., Qian, J. X., et al. Distribution characteristics of plant communities and soil organic matter and main nutrients in the Poyang Lake Nanji Wetland [J]. Acta Ecologica Sinica, 2012, 32(12): 3656-3669.

Data Product:

ID Data Name Data Size Operation
1 DecompositionPoyangLake.rar 89.30KB
Co-Sponsors

Institute of Geographic Sciences and Natural Resources Research，Chinese Academy of Sciences

The Geographical Society of China

Parteners

Committee on Data for Science and Technology (CODATA) Task Group on Preservation of and Access to Scientific and Technical Data in/for/with Developing Countries (PASTD)

Jomo Kenyatta University of Agriculture and Technology

Digital Linchao GeoMuseum