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Response of Surface Soil Seed Bank Characteristics to Short-term Grazing Exclusion in Swamp Meadows of Napahai Lake
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Xiao-ting BI1, 2, 3, 4, Jun-heng YANG1, 2, 3, 4, Hai-jun CUI1, 2, 3, 4, *, Wei-feng SONG1, 2, 3, 4, Xu-yan ZHAO5, Xun-xun SHI1, 2, 3, 4, Pu-tao ZHANG1, 2, 3, 4, Su-yao YUAN1, 2, 3, 4, Yun-hua LI1, 2, 3, 4
Science Technology and Engineering | 2025, 25(13) : 5359 - 5368
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Science Technology and Engineering | 2025, 25(13): 5359-5368
• Papers·Biology •
Response of Surface Soil Seed Bank Characteristics to Short-term Grazing Exclusion in Swamp Meadows of Napahai Lake
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Xiao-ting BI1, 2, 3, 4, Jun-heng YANG1, 2, 3, 4, Hai-jun CUI1, 2, 3, 4, *, Wei-feng SONG1, 2, 3, 4, Xu-yan ZHAO5, Xun-xun SHI1, 2, 3, 4, Pu-tao ZHANG1, 2, 3, 4, Su-yao YUAN1, 2, 3, 4, Yun-hua LI1, 2, 3, 4
Affiliations
  • 1 Yunnan Key Laboratory of Plateau Wetland Conservation, Restoration and Ecological Services, Southwest Forestry University, Kunming 650224, China
  • 2 National Wetland Ecosystem Fixed Research Station of Yunnan Dianchi, Southwest Forestry University, Kunming 650224, China
  • 3 Dianchi Lake Ecosystem Observation and Research Station of Yunnan Province, Southwest Forestry University, Kunming 650224, China
  • 4 National Plateau Wetlands Research Center, College of Ecology and Environment (College of Wetlands), Southwest Forestry University, Kunming 650224, China
  • 5 Napahai Provincial Nature Reserve Management and Protection Bureau, Shangri-La 674499, China
Published: 2025-05-08 doi: 10.12404/j.issn.1671-1815.2405746
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Soil seed banks serve as the foundation for plant restoration and succession, playing a crucial role in sustaining biodiversity and ecological balance. The effect of short-term enclosure and grazing ban on soil seed bank was studied in the marsh meadow of Napahai Lake in northwest Yunnan Plateau. Through field sampling and seed germination identification, the effects of grazing and short-term confinement (3 years) on species composition, diversity and functional group structure of topsoil seed bank were compared. The findings show that short-term grazing exclusion significantly alters the diversity of the soil seed bank, reducing the Shannon-Wiener and Pielou indices (P<0.05) and increasing the density of sedge seeds (P<0.05). Weeds dominate in both enclosed and grazed conditions, with grasses and sedges following, and legumes being minimal. The percentage of weed species decreases, while that of sedge species increases under grazing exclusion, with no significant change observed in grasses and legumes. Weed importance values are significantly negatively correlated with grass and sedge importance values (P<0.05), and grass density is significantly positively correlated with sedge density (P<0.05). These results indicate that while short-term grazing exclusion reduces the diversity of the soil seed bank in swamp meadows, it also enhances the replenishment and recovery of sedge seeds, offering new insights for the restoration management of wetland ecosystems.

swamp meadow  /  soil seed bank  /  diversity  /  functional group  /  seed density
Xiao-ting BI, Jun-heng YANG, Hai-jun CUI, Wei-feng SONG, Xu-yan ZHAO, Xun-xun SHI, Pu-tao ZHANG, Su-yao YUAN, Yun-hua LI. Response of Surface Soil Seed Bank Characteristics to Short-term Grazing Exclusion in Swamp Meadows of Napahai Lake[J]. Science Technology and Engineering, 2025 , 25 (13) : 5359 -5368 . DOI: 10.12404/j.issn.1671-1815.2405746
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Year 2025 volume 25 Issue 13
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Article Info
doi: 10.12404/j.issn.1671-1815.2405746
  • Receive Date：2024-07-31
  • Online Date：2025-07-09
  • Published：2025-05-08
Article Data
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History
  • Received：2024-07-31
  • Revised：2025-02-08
Funding
Affiliations
    1 Yunnan Key Laboratory of Plateau Wetland Conservation, Restoration and Ecological Services, Southwest Forestry University, Kunming 650224, China
    2 National Wetland Ecosystem Fixed Research Station of Yunnan Dianchi, Southwest Forestry University, Kunming 650224, China
    3 Dianchi Lake Ecosystem Observation and Research Station of Yunnan Province, Southwest Forestry University, Kunming 650224, China
    4 National Plateau Wetlands Research Center, College of Ecology and Environment (College of Wetlands), Southwest Forestry University, Kunming 650224, China
    5 Napahai Provincial Nature Reserve Management and Protection Bureau, Shangri-La 674499, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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