The purpose of this work is the introduction of a permanent system of real-time observations of green spaces to update geospatial data. Methodology: To achieve this goal, we monitored green spaces with the help of GIS technologies, displaying up-to-date information for each plant and storing the history of changes in each object. This work is divided into two stages. The first stage involves making an inventory of green spaces and compiling an object passport. The second stage involves making real-time changes such as planting, pruning, uprooting a stump, damage due to natural disasters, etc. Thus, there is a database of green plants at any point in time and a chronology of plant care. By incorporating green spaces into the National Spatial Data Infrastructure (NSDI) using consistent methods, we can better understand their impact. Digital topographic data is essential in geoinformation systems for making informed management decisions, creating and maintaining cadastres for various purposes. Scientific novelty and practical significance: The issues of accounting for green spaces in settlements are becoming quite acute in the modern world. Equally important is the issue of maintaining the relevance of the data obtained. The geoportal, "Monitoring of green spaces in the city of Odesa," implements a permanent system of continuous observations to update the geospatial data of green spaces, and tracks changes for each individual tree. This will help in making management decisions regarding urban greening, significantly reduce budget costs for green management in the future, and control the quantity and quality of the work performed.
Inventory of green spaces is a powerful tool for solving an important problem for any city - preserving green spaces, which is especially important in modern urbanism. It is extremely important to apply modern technologies when conducting an inventory, which allows further analysis and correction of even minor changes, in contrast to paper inventory materials. The purpose of the article is to familiarize the public with the experience of work on the inventory of green spaces in urban environments. The article presents a methodology for accounting for plantings of the streets and its practical testing in the city of Odessa. With the help of GIS technologies, a wooden accounting of green spaces of the streets of the city of Odessa was carried out. Information about the geo-positioning of each tree was obtained by measuring the distances between trees and using orthofotos at a scale of 1: 1000. Subsequently, the coordinates of the trees were uploaded to the geoportal https://greencity.omr.gov.ua, where attribute data were added to each object, such as species, age, height, diameter at a height of 1.3 m, quality, size of planting sites, and others, as well as an actual photo. Based on the results of the work carried out, the state of the city's street trees, the number of free planting sites were determined, a plan was developed to replace old and emergency trees.
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