quag

a soft wet area of low-lying land that sinks underfoot

सैलसेट द्वीप की पूर्वी ओर दलदली इलाका है जो जैवभिन्नताओं से परिपूर्ण है।

The eastern regions of Salsette Island contain many quagmires (or is marshy), they are also biologically, very diverse.