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This work goal is to evaluate the use of cadastral information -geographical and literal- to determine and quantify the changes in crop types between two dates. The changes in an agricultural area of the Alboraya municipality since 1930 are studied. As information source, the cadastral parcel data of the cadastral polygon 4 of the municipality is studied. The Topographical Cadastral Map (TCM) of 1930 is used as old cadastral information, and the associated listing of parcels in paper format. This old information is compared with the current cadastral information. This research compares the crops registered on both dates. Along the process, the factors, characteristics and conditions to accomplish by the information of the study are also studied - availability, format, age, production technique, and georreferencing- to evaluate the method's advantages and limitations. As conclusion, remark on the utility of the old cadastral maps to detect crop changes. The TCM use allows quantifying and delimitating the produced changes in each territory element with detail. [ABSTRACT FROM AUTHOR]

In the context of current climate change, it is a priority to develop mechanisms that facilitate the integration of the public's perspective in the fight against this phenomenon. Organisations such as the IPCC have highlighted the importance of paying attention, in the inexorable transition that is approaching, to the perception and experiences of the population as sources of information complementary to scientific evidence. In addition, it is of interest to check the assessment of institutional action in this respect and the degree of social awareness of this global challenge. Thus, this paper, based on an extensive survey carried out on the island of Tenerife (Canary Islands), analyses the resident population's perception of the causes and effects of climate change, as well as their environmental commitment and knowledge of governmental mitigation and adaptation initiatives. There is a high degree of concern about the issue among citizens, who support the existence of climate change, say they know what it consists of and generally have a negative view of the actions of public administrations, and are unaware of the initiatives that have been approved. [ABSTRACT FROM AUTHOR]