抄録
More than ten years’ experience of interdisciplinary cooperation between ecology and civil engineering has constructed a new world of science, which has worked well to contribute new challenge for the sustainability with scientific background. However, it has provided a kind of “melting pot” of different sciences. Inside the new society, peoples with different disciplines can talk to each other with the same language, and enjoy the new findings. However, we have lost something, a “salad bowl” with heterogeneity.