As a result of intensive agriculture in catchment areas, many polder ditches have turned from a clear water state with submerged plant dominance into a state where the water is completely covered with duckweed
चिनी अधिकाऱ्यांच्या हवाल्याप्रमाणे, झिकेटान गाव अतिशय दुर्गम अशा प्रदेशात असल्याने त्या गावाला पूर्णपणे एकाकी पाडणे (Isolation)शक्य झाले आहे.