Project title: biodiversity with satellitar data? A possible study

Liceo Cantone   Pomigliano D’arco   Italy

Connecting Earth Observation to High-Throughpu Biodiversity Data a possibile study?

In this project, the students analyse multispectral images to map the land surface of “Regi Lagni area” a vast surface area (equal to approximately 1300 km2), in particular, our study is related to Pomigliano d’Arco city crossed by the riverbed/canal of “Santo Spirito” it rises to the left of the Regi Lagni stream in the heart of the Campania valley. These areas are characterized by the presence of dark, deep, well-drained, permeable, easily workable volcanic soils Figure 1
Limestone soils have a medium to moderately fine texture, with moderate drainage, and the water table which can also become very superficial during the humid season. through its colour changing the students monitoring changes of the biodiversity that are associated with the environment and climate of our territory. The study was performed by comparing the observed multispectral images to the real vegetation present in one of the most important our urban green areas named “Parco delle acque” .The comparison shows a change in biodiversity in particular through a change of shades of green respecting the image and photos pin last years in the same period. The students engage that the monitoring of the colours of areas is essential to identify problems connected to climate change and to monitor changes in biodiversity of specific territory

Connecting Earth Observation to High-Throughpu Biodiversity Data a possibile study?

The students understand through this study the importance of monitoring biodiversity in our territory and they emphasize the role in sustaining ecosystem services, such as producing clean water and food; regulating and adapting to climate change; supporting nutrient cycles, maintaining health, and many other social and cultural benefits, are well known by the students. By the use of experimental activity, the students elaborate a specific project in which satellite data are correlated to real data obtained in the laboratory of our school. The idea is to create a laboratory protocol for the evaluation of the protection and safeguarding of our green urban area “Parco delle Acque” The e specific behaviour for each of the following factors: leaf pigments, chlorophyll, which constitutes approximately 65% of the pigments, the pigments and the epidermis reaching the parenchyma and mesophyll can give direct information on the state which being more or less developed depending on the state of health of the plant, the specific variety and species and correlating to the satellite. The study was performed with the experimental activity known as Chromatography: from a leaf, 10 disks of known diameter are obtained (corresponding to approximately 0.5 g in weight milled) and the total surface area and their fresh weight are calculated. Next, the discs come placed in a previously pre-cooled mortar and, after adding liquid nitrogen or quartz crystals, the material is reduced to a very fine powder with the pestle. At the end of our separation, we will observe the following situation The identification of a compound can be made based on the distance travelled related to it of the front, i.e. calculating the RF value. RF = Start-band distance/ Start-front distance The evaluation will performed with the extraction of leaf pigments and chlorophyll and correlated them with the data with the multispectral image. Figure 4

Climate-Detectives-Busiello-R-23-242.pdf

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