Index signs of ecology evaluation include: coverage, bio-diversity index, the resemblance coefficient between native species, resistance and aesthetic value.

• 护坡植被生态评价指标有:盖度、物种多样性指数、乡土种与自然边坡相似系数、抗逆性、景观喜好度，并分别按照不同指标权重，计算出护坡植被的景观评价值。