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Effects of Simulated Sea Level Rise on Storage and Origins of Sediment Organic Carbon and Decomposition of Fine Roots in Kandelia obovata Mangrove Ecosystem

Abstract

本研究以厦门曾营海岸三个不同高程样地的秋茄(Kandeliaobovata,以前学名为Kandeliacandel)红树林为研究对象。在模拟海平面上升80cm红树林(SLR80cm)、模拟海平面上升40cm红树林(SLR40cm)以及对照红树林(SLR0cm,相当于福建九龙江口红树林的滩面高程),探讨海平面上升对秋茄红树林生态系统地下部分有机碳过程的影响。 随海平面高度的增加,秋茄红树林底质有机碳和活性有机碳含量均逐渐增加;随着深度的增加,三块样地的底质有机碳含量、TN含量及C/N呈现逐渐减少的趋势,相较海平面高度,深度对以上指标的影响较显著,且海平面高度和深度之间没有显著的交互作用。不同海...Three Kandelia obovata forests with different intertidal elevations, regarded as sea level rises (SLR) of 80 (lower elevation), 40 (middle elevation) and 0 (control, upper elevation) cm respectively, along the coastline of Zengying, Xiamen were studied to investigate the effects of SLR on main processes of organic carbon in underground parts of mangrove ecosystems. With sea level rising, organic...学位:理学硕士院系专业:环境与生态学院_生态学学号:3332013115170

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