With the help of the remote sensing technique, phycocyanin and phycoerythin with characteristic spectra can be used to detect the quality and quantity of cyanobacteria in water.

• 蓝藻体内的藻蓝和藻红蛋白具有特征性光谱，通过这些光谱可以对蓝藻进行卫星遥感监测。