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Why is "Invasive earthworms of North America" trending?

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  • Ranking position: #
  • Date: 2026-05-19 13:15:19

This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.

Based on Wikipedia pageviews and search interest, this topic gained significant attention on the selected date.

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Invasive_earthworms_of_North_America entered the ranking for the first time today at position #. This is its highest position ever recorded.

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This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-05-19 and was most recently seen on 2026-05-19.

Invasive earthworms of North America

Wikipedia Overview

Invasive species of earthworms from the suborder Lumbricina have been expanding their range in North America. Earthworms are considered one of the most abundant macroinvertebrates in the soil of ecosystems in temperate and tropical climates. There are around 3,000 species known worldwide. They are considered keystone species in their native habitats of Asia and Europe because, as detritivores, they alter many different variables of their ecosystem. Their introduction to North America has had marked effects on the nutrient cycles and soil profiles in temperate forests. These earthworms increase the cycling and leaching of nutrients by breaking up decaying organic matter and spreading it into the soil. This thins out the soil rapidly because earthworms population can grow quickly since most earthworms have large broods, short time to sexual maturity, resilient cocoons, are hermaphrodites and a few such as Amynthas do not need mates through asexual reproduction called parthenogenesis. Since plants native to these northern forests are evolutionarily adapted to the presence of thick layers of decaying organic matter, the introduction of worms can lead to a loss of biodiversity as young plants face less nutrient-rich conditions. Some species of trees and other plants may be incapable of surviving such changes in available nutrients. This change in the plant diversity in turn affects other organisms and often leads to increased invasions of other exotic species as well as overall forest decline. They are considered one of the most invasive animals in the Midwestern United States along with feral swine.

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