Published on: December 7, 2021

INVASIVE SPECIES

INVASIVE SPECIES

Banyuwangi NEWS

overnight no prescription Aurogra A tiny snail with a golden-yellow shell found in the Edappally canal in Kochi has been flagged as an invasive species

DETAILS

  • Spotted by researchers of the Department of Marine Biology, Microbiology, and Biochemistry of the Cochin University of Science and Technology (CuUSAT)
  • Identified as the acute bladder snail PHYSELLA ACUTA
  • Globally branded as highly invasive.
  • First time reported in Kerala
  • HOW IS IT INVASIVE
    • Plays host to worms that can cause food-borne diseases and skin itches in humans
    • It has rapid growth rate, air-breathing capability
    • Tolerance to pollution makes it a potential competitor to native fauna.

MAHITI FOR PRELIMS

INVASIVE SPECIES

  • Species that is not native to a specific location (an introduced species)
  • Has a tendency to spread to a degree believed to cause damage to the environment, human economy or human health.
  • Species living outside its native distributional range, but which has arrived there by human activity, either deliberate or accidental.
  • Appear to have specific traits or specific combinations of traits that allow them to outcompete native species.
  • Common invasive species traits include the following:
    • Fast growth
    • Rapid reproduction
    • High dispersal ability
    • Phenotype plasticity (the ability to alter growth form to suit current conditions)
    • Tolerance of a wide range of environmental conditions (Ecological competence)
    • Ability to live off of a wide range of food types
    • Association with humans
    • Prior successful invasions