नदीमातृकं हि स्वाजीवमपाश्रयश्चापदि भवति ॥ कZ_०७.१२.०७ ॥
nadīmātṛkaṃ hi svājīvamapāśrayaścāpadi bhavati
नदीमातृकं हि स्वाजीवम् अपाश्रयश्च आपदि भवति।
A zone that can maintain supplies and livelihoods locally, reducing dependence on long supply chains during war, famine, or blockade.