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    Home > Food News > Food Articles > The study linked the proliferation of invasive species to traffic patterns

    The study linked the proliferation of invasive species to traffic patterns

    • Last Update: 2021-03-14
    • Source: Internet
    • Author: User
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    images: ANDREAS LEMKE
    The "poison" guinea pig grass in summer and fall allergy sufferers is spreading rapidly with the help of a startling source. The source is cars and trucks. A new study has found that chaotic air-flow trails from heavy traffic can spread guinea pig seeds from their starting point to 10 metres away. This is a huge driving force. Typically, these seeds travel only within a radius of 1 meter from the parent strain.
    researchers conducted field trials to determine how far the seeds could travel on busy roads with cars and less busy roads. In each experiment, they placed 100 fluorescently colored seeds on the edge of the road, where the seeds usually fall, and let the moving vehicles drive at will. They then marked the seed's new location with a flashlight with ultraviolet light.
    within 48 hours, the seeds were "settled" in a new place. Most remain near the starting position. However, the air currents generated by the heavy traffic pushed some seeds 10 metres away, with the farthest reaching 71 metres, about two-thirds the length of an American football field. Even on roads that were not so busy, the seeds spread 40 meters.
    , the researchers charted the route of roadside guinea pigs for two years in a row to see how many of them were growing in the direction of moving vehicles. The next year, the team recorded twice as many seedlings growing in the opposite direction as in the direction of vehicle movement. In the opposite direction, the impact of the car is almost zero.
    study, to be published in the Journal of Applied Ecology, is the first to link the spread of invasive species to traffic patterns. The results suggest that a bad allergy season can be alleviated by requiring municipal agencies to cut off roadside guinea pigs diligently. However, the right time to mow the grass is when the seeds are ripe. Otherwise, the mowers spread them farther away. (Source: Zong Hua, China Science Daily)
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