Abstract
Tamarix chinensis is a dominant species in both the Yellow River Delta Natural Reserve and Changyi National Marine Specific Protection Area, Laizhou Bay, China, and plays an important role in wetland ecosystems. We investigated the relationship between T. chinensis and environmental factors, and the influences of T. chinensis on understory plants. We selected four T. chinensis communities with different hydrologic conditions and salinities in the Yellow River Delta Natural Reserve and the Changyi National Marine Specific Protection Area. The results showed that the growth of T. chinensis was negatively correlated with soil salinity. Generally no fertile island effects or salt island effects of T. chinensis on herbaceous plant communities were found in the coastal area of Laizhou Bay, China. In areas with high salinity, T. chinensis provided nursery effects for understory herbaceous species, increasing species diversity and enhancing plant growth. In low-salinity environments, T. chinensis appeared to restrain the growth of understory plants. This study observed different influences of T. chinensis on herbaceous species between the Yellow River Delta Natural Reserve and Changyi National Marine Specific Protection Area, providing scientific basis and theoretical foundation for investigating plant distribution and ecological community succession in Laizhou Bay, China.
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Abbreviations
- N:
-
Nitrogen
- P:
-
Phosphorous
- YRD:
-
Yellow River Delta
- CY:
-
Changyi Ecological Special Protection Zone
- EC:
-
Electrical Conductivity
- RII:
-
Relative Interaction Intensity
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Acknowledgements
This study was supported by the National Key R&D Program of China (No. 2017YFC0505905), the Key Research & Development Program of Shandong Province (No. 2019GSF109070), and the National Natural Science Foundation of China (Nos. 31970347; 31770361).We thank Sun SX, Zhang K and Xie W for data collection and lab work. We thank LetPub (www.letpub.com) for its linguistic assistance during the preparation of this manuscript.
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Zhou, D., Guo, W., Li, M. et al. No Fertile Island Effects or Salt Island Effects of Tamarix chinensis on Understory Herbaceous Communities Were Found in the Coastal Area of Laizhou Bay, China. Wetlands 40, 2679–2689 (2020). https://doi.org/10.1007/s13157-020-01316-2
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DOI: https://doi.org/10.1007/s13157-020-01316-2