Abstract This chapter starts with a theoretical introduction to the concept of the creation and perception of cultural landscapes. Niche construction theory and human agency, often treated as controverse concepts are discussed as complementary aspects of human environment relations. The DPSIR framework (the concept of Driving forces, Pressures, States, Impacts and Responses) is applied as valuable approach for the explanation of the transformations in human behaviour in reaction to environmental developments. Aspects of intended and unintended reactions to human agency and action are discussed as well as the temporal and spatial scales of transformations that consequently occured. Therefore, four examples are presented from case studies within the CRC 1266. The Palaeolithic and Mesolithic use of natural resources will have left visible but short-lived traces in the landscape as first steps towards a cultural landscape. The role of humans in the spread of plants and the influence of human action on the plant distribution and composition are discussed in this context. The Neolithic transformation shows a new dimension of changes in the landscape. The producing economy leads to a wide range of resource extractions that enable a much higher population being nourished by the manipulated environment with anthropogenic open land as a new landscape element or niche. Bronze Age progression and intensification of land use in many areas lead to soil degradation and the widespread expansion of heathlands. Even though the process was too slow to be perceived consciously, associated economic adaptations to this new type of cultural landscape are observable. The fourth example explains an unexpected positive aspect of deforestation. In the context of Neolithic Trypillian megasites the soil developed towards a deep and fertile Chernozem. The role of earthworms is discussed as key factor for the soil development in the transition from a forest and forest steppe towards the agrarian steppe of today. The difference between human agency and human action is discussed for the presented examples as the awareness of the consequences of human behaviour very much depends the velocity of changes and human perception.
Abstract. Here we describe the LegacyClimate 1.0, a dataset of the reconstruction of mean July temperature (TJuly), mean annual temperature (Tann), and annual precipitation (Pann) from 2594 fossil pollen records from the Northern Hemisphere spanning the entire Holocene with some records reaching back to the Last Glacial. Two reconstruction methods, the Modern Analogue Technique (MAT) and Weighted-Averaging Partial-Least Squares regression (WA-PLS) reveal similar results regarding spatial and temporal patterns. To reduce the impact of precipitation on temperature reconstruction and vice versa, we also provide reconstructions using tailored modern pollen data limiting the range of the corresponding other climate variables. We assess the reliability of the reconstructions using information from the spatial distributions of the root-mean squared error of prediction and reconstruction significance tests. The dataset is beneficial for climate proxy synthesis studies and to evaluate the output of climate models and thus help to improve the models themselves. We provide our compilation of reconstructed TJuly, Tann, and Pann as open-access datasets at PANGAEA (https://doi.pangaea.de/10.1594/PANGAEA.930512; Herzschuh et al., 2021). R code for the reconstructions is provided at Zenodo (https://doi.org/10.5281/zenodo.5910989; Herzschuh et al., 2022), including harmonized open-access modern and fossil datasets used for the reconstructions, so that customized reconstructions can be easily established.
We show that Zhang and Li's sedimentological model for the Chusang travertine neglects the three-dimensional information from multiple outcrops and that their optically stimulated luminescence (OSL) age of about 20,000 years for the human imprints is untenable. We highlight the robustness of our chronology and explore reasons why Zhang and Li's OSL age is a gross overestimation of the real depositional age of the imprinted travertine.
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