Decompostion in the Saltmarsh-Mangrove Ecotone

This work quantified and compared decomposition of litter aboveground, and of a standard substrate belowground, in both pure saltmarsh and saltmarsh-mangrove ecotone habitat along the Atlantic coast of Florida, U.S.A..

Avicennia germinans and Spartina alterniflora litter was incubated in mesh litter bags for 396 days. Mass remaining (%) was calculated every 3 months, and decay constants (k) were calculated after 396 days. Belowground decomposition was quantified using the Tea Bag Index (TBI) protocol put forth by Keuskamp and others (2013).

本研究对美国佛罗里达州大西洋沿岸纯盐沼和盐沼-红树林生态交错区的地上凋落物以及地下标准基质的分解进行了定量和比较分析。在实验中，以 Avicennia germinans 和 Spartina alterniflora 的凋落物为对象，将其置于网状凋落物袋中，进行为期 396 天的孵化。每 3 个月计算一次剩余质量百分比，并在 396 天后计算分解常数（k）。地下分解的量化采用 Keuskamp 等人（2013 年）提出的茶包指数（TBI）方法进行。