ENSC 320 Lecture 9: ENSC 320 - Week 5 Lect 1 L09

• School: Queen's University
• Department: Environmental Studies
• Course: ENSC 320
• Professor: Ryan K Danby

Document Summary

Invasive species: variety of analogous terms, including non-indigenous, non-native, exotic, introduced, alien, feral, different phrases do have different meanings. Invasive species are non-native species that have survived, survived, reproduced and spread to the point of causing adverse ecological or economic effects: generally defined as species proliferating outside their native range. Potentially commodity or resources (eg. furs, food, timber, etc. : eg. american mink out-competes european mink, eg. brown trout outcompetes native new zealand streams, 2. Control measure introduced to reduce certain species, even exotics: eg. cane toad & cane bettle in australia, 3. Exotic pet release: eg. goldfish in sifton bog, london on, valuable area of conservation, ppl have been dropping their goldfish in the bog, 4. Domestic animal/cultivar release: eg. feral goats in galapagod, cultivar = variety of plants for gardens or areas, unintentional. Intentionally released on the area for product sake: 1. Ballast water release (regulations poor enforced: 2.