Affiliation:
1. School of Karst Science, Guizhou Normal University, Guiyang 550001, China
2. State Engineering Technology Institute for Karst Desertification Control, Guiyang 550001, China
3. Department of Resource Management, Tangshan Normal University, Tangshan 063000, China
Abstract
Karst desertification control forests are essential for ecosystem multi functionality, but the trade-offs/synergies are unclear for forest ecosystem services. In order to clarify the trade-offs/synergies, this study was conducted on eight forest communities in a karst desertification control area and was based on vegetation surveys and structural and functional monitoring. It analyzes water holding capacity, species diversity, soil conservation, and carbon storage characteristics and their trade-off/synergies. The results indicate the following: (1) The Cladrastis platycarpa + Cotinus coggygria community (H1) had the highest water holding capacity and species diversity with values of 252.21 t·hm−2 and 2.56, respectively. Soil conservation was highest in the Zanthoxylum bungeanum + Glycine max community (H6), with an index value of 1.56. Carbon storage was the greatest in the Tectona grandis community (H8), at 103.93 t·hm−2. The results of these studies have shown that there are significant differences in different types of forest community ecosystem services. (2) Water holding capacity, species diversity, soil conservation, and carbon storage, all have synergistic relationships, suggesting a trend towards synergistic enhancement between the services. (3) The species diversity of the forest ecosystems was shown to be in a trade-off with carbon storage and soil conservation, which suggests that the services are in competition with each other. To further improve the service capacity of forest ecosystems, the trade-offs between the regulation of forest community structure and function and the improvement of services should be optimized.
Funder
Key Science and Technology Program of Guizhou Provence
Science and Technology Research Project of Higher Education Institutions in Hebei Province
Project of Oversea Expertise Introduction Program for Discipline Innovation of China
Subject
Plant Science,Ecology,Ecology, Evolution, Behavior and Systematics
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