On the Competition and Transformation in the Points of Views on the Value of Nature

There are three points of view about the value of nature.The first is that nature has its value,namely the Intrinsic Value of nature.The second is that nature has instrumental value.The third is that nature has human-oriented ecological value.The third point view develops the useful and discards the useless of the first two,which contains the following aspects: a.the existence and development of humans if the start;b.nature and humans are a community of value;c.nature and humans are equal,and humans ought to respect and protect nature;e.humans should stick to the principle of frugality,and fight against excessive Consumption;f.humans are the end,and so it is with nature.