Özet:

The purpose of the study is to determine preservice teachers’ value dimensions about exhausted, exhausting species and Turkey’s endemic species. For this purpose, a semi-structered survey has been conducted to preservice teachers and asked what kind of values they have about species determined. The answers have categorized and 13 value dimensions have been determined. These are; sympathy-affection (emotional), ecological, nourishment, economic, dangerous-frightening, ornament-aesthetic, touristic, industry, health-medicine, artistic, educational, advertisement, symbol-toy. As a result of analysis of the datas it has seen that ecological value (20.00% answer rate) is the most important and then, emotional (14.00% answer rate), economic (10.03% answer rate) values are important for preservice teachers. Besides, the values have been determined which have been  attributed to the each of  exhausted, exhausting species and Turkey’s endemic species by preservice teachers conducting  surveys which has been prepared using 13 value dimensions. Based on the results, it can be considered that preservice teachers are proficient in perceptions about biodiversity. Teachers’ perceptions about importance and conservation of biodiversity must be on an expected level because of teachers’ creating awereness, perception and attitude on students. Taking into account of these factors, for preservice teachers it is important that having enough perception about biodiversity.

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