Weed diversity in arable fields as measure of the transformation of agriculture towards a sustainable future.

This study presents different datasets for arable fields (mostly winter wheat) focusing on the occurence and distribution of weeds. The data accompany the PhD dissertation of Laura Kellermann [KELLERMANN L (2024) World hunger versus biodiversity. Transformation apporaches towards a sustainable agricultural system. Dissertation, Fakultät für Biowissenschaften, Universität Heidelberg. S. 1-108.].
The file data_R_scripts.xlsx contain metadata of the various fields, a description of columns and rows is found with sheet "notes on columns". The second file Mapping_SpeciesPerField_clean.xlsx provides the detailed mapping results. Here values according to Braun-Blanquet (r,+,1,2,3,4,5,x) have been transformed into percentage values according to Güngör (2011) (0,01/0,02/0,04/0,15/0,375/0,625/0,875/0,01).
[Güngör, Ş. B. (2011). Measuring plant species diversity in alpine zones: a case study at the kazdaği national park, in turkey. Archives of Biological Sciences, 63(4), 1147-1156]

本研究针对以冬小麦为主的耕地构建了多套数据集，聚焦杂草的发生与分布特征。相关数据配套于Laura Kellermann的博士学位论文[KELLERMANN L (2024) 世界粮食安全与生物多样性之争：面向可持续农业系统的转型路径. 博士学位论文, 海德堡大学生物科学学院, 1-108页]。

文件data_R_scripts.xlsx包含各试验田的元数据，列与行的说明详见工作表"notes on columns"。第二个文件Mapping_SpeciesPerField_clean.xlsx提供了详细的物种分布映射结果。其中，采用布朗-布朗凯（Braun-Blanquet）盖度等级的赋值（r、+、1、2、3、4、5、x）已按照Güngör（2011）的方法转换为百分比值（0.01/0.02/0.04/0.15/0.375/0.625/0.875/0.01）。

[Güngör, Ş. B. (2011). 阿尔卑斯带植物物种多样性测定：土耳其卡兹达吉国家公园案例研究. 生物科学档案(Archives of Biological Sciences), 63(4), 1147-1156]