Urban Trees are continuously exposed to several stress situations like air pollution, soil compaction, exhaust gases, damage of tree trunks, etc. For the responsible authorities it is important to anticipate these problems, as the consequences of possible accidents can be considerable (e.g. tree fall).EUROSENSE can provide a number of products that are important means for designing a correct policy for urban trees on short and long term.
Acquisition of images -The acquisition of aerial or satellite images is the basis of tree inventory, mapping and most of our products. The assessment of the physiological tree status is done with colour infrared (IR) images. In the IR spectrum of the light, vegetation reflects much more and can hence be better analysed than in the case of normal light spectrum.
Tree inventory - An inventory of the tree patrimony is the basis of a good tree management. Tree species identification, tree height, trunk circumference measurements and spatial localization of trees are primary needs for every Green City Service.
Tree crown diameter - Based on semi-automatic aerial or satellite image analysis, the crown diameter of every tree can be calculated. The location, the extent of trees and their proximity to buildings can be visualised in a GIS (Geographic Information System) environment.
Tree labelling - In the field, every tree can be labelled to assure the correct identification.
Tree status assessment - Mechanical Status: EUROSENSE assesses tree stability with the Visual Tree Assessment method. This consists in identifying internal mechanical defects using external signs (e.g. appearance of the trunk, fungal fruiting bodies,…).
Physiological status: unhealthy trees, although appearing healthy on the field, can already exhibit obvious illness symptoms (lower red colour levels) on the colour infrared images. Mostly, this bad physiological status will only be visible on the field several years later.
Data management - The integration of each tree into a GIS (Geographic Information System) database is essential. Within this GIS, the user can request, observe and add data during different stages of the tree management. By publishing the obtained data online, citizens can also visualize the results.
Analysis tools - Trees can be evaluated through time by making evolution maps: improvement or deterioration of the health status of trees can be visualized. Statistical analysis, like tree species, health status distribution, etc. can be very useful in reports. Tree policy and management plan - A clear tree policy can result in a detailed management plan indicating concrete measures for every tree.
By EUROSENSE based in Wemmel, BELGIUM.
Pesticides were commonly used for the pest control in farms since they have high and rapid insecticidal effects and enable us to increase yields of crops. However, the pesticides cause some problems: soil and groundwater pollution and residual chemicals in crops harmful to consumers. Recently, wider implementation of ozone sterilization in agriculture seems to be one of the promising techniques to secure the safety of foods.
By Absolute Systems Inc. based in Edmonton, ALBERTA (CANADA).
TeraFlo® significantly reduces watering requirements per cycle of irrigation while maintaining adequate moisture for good plant health and growth. Due to its filtration properties, excessive moisture also flows through the soil thereby preventing environments for fungal growth. It draws moisture from the air and the surface and attaches itself to the plant roots from sources not previously available. It provides proper wetting and drainage in non-soil media as well as eliminating unusable water. TeraFlo® dramatically improves the ability of rainfall and water to easily penetrate the soil surface and gain access to the root zone. By encapsulating the soil particles, it significantly decreases friction allowing for easy and rapid water penetration and filtration into any soil condition; hardpan, compacted or otherwise. It improves the efficiency of all applied additives (pesticides, insecticides nutrients, etc) preventing rapid leaching of these products. This increases their effectiveness and reduces over all application quantities making additive usage far more cost effective. Holding organophosphates in the soil reduces the leaching of these toxins which significantly improves their performance. The product has a special affinity to nitrogen thereby reducing nitrate leaching protecting against groundwater contamination. TeraFlo® prevents the buildup of soluble sodium salts contained in fertilizers and water sources thereby reducing stress conditions. Continual use will keep the root zone free of sodium salts. TeraFlo® increases microbial activity which aids in root cell buildup resulting in faster uptake of nutrients. TeraFlo® reduces soil erosion from in-furrow irrigation and significantly reduces nitrogen loss in head ditch irrigation systems. TeraFlo® improves drip applied fumigant systems allowing for a more efficient and longer release system. Teraflo provides lubrication to pump parts, valves, and other parts of pressurized water systems preventing products in the irrigation piping from sticking to the walls, thus reducing drip and irrigation head clogging. This reduces downtime, repair costs, and maintenance.
Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you