This paper determines four Fluoroquinolones(FQs) in the mangal root areas (rhizosphere soil

nonrhizosphere soil) of two advantageous mangal communities ［Aegiceras corniculatum(Ac)

Kandelia candel(Kc)］ in Zhenhai Bay Mangrove Nature Reserve in Jiangmen

Guangdong Province. Analysis of the residual characteristics of FQsOfloxacin (OFL)

Norfloxacin (NOR)

Ciprofloxacin (CIP)

Enrofloxacin (ENR) in sediments from fourteen mangal root areas

six discharge and three tidal flat were carried out by high performance liquid chromatogramphymass spectrometry (HPLC-MS) qualitatively and quantitatively. The canonical correspondence analysis (CCA) analysis was used to analyze the relationship between the environmental factors (pH

Soil organic matter(SOM)

Cationex change capacity(CEC)

Catalase (CAT)

Sucrase(SUC)

available heavy metals such as Cu

Zn

Fe) and FQs in magal root areas. The results showed that the average contents of FQs in two mangalrhizosphere soils are 55.22，29.25 μg·kg

-1



respectively. The average contents of FQs in two mangal nonrhizosphere soils are 22.45，18.66 μg·kg

-1



respectively FQs contents of Ac root areas are higher than that of Kc root areas (P

<

0.05). FQs contents in two mangalrhizosphere soils root areas are higher than that of non-rhizosphere soils. The CCA analysis indicates that the sorting of environmental factors as: pH

>

Fe

>

SOM ≥ CEC

>

Zn

>

SUC ≥ CAT.The study results have important theoretical significance on interpretation of mangroves to the absorption and purification of organic pollutants (including antibiotics).