5 Introduced And Invasive Species That Have Benefited Non-Native Ecosystems
Over the years I've made quite a few videos on invasive species but I sometimes worry that people get the wrong idea from my videos.
Yes introducing non native species will almost certainly have a negative effect on an ecosystem but this topic is far more complicated than most people believe.
Most ecosystems are extremely fragile and there are many complicated relationships within these ecosystems that keep them healthy.
When a non native species is introduced they usually compete with the native species or completely eradicate them.
Surprisingly this isn't always the case as sometimes introduced species can help struggling endangered species, and sometimes they can fill the role of an extinct animal in their new ecosystem.
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Chapters
0:00 Introduction
0:50 Invasive Birds In Hawaii
3:28 Dung Beetles In Australia
6:25 Invasive Apple Snails In Florida
8:54 Feral Livestock Animals Around The World
11:57 Invasive Plants And Butterflies
Attributions
Hawaiian plant images:
Harold Neal
https://www.flickr.com/photos/cameras...
CC BY-NC-ND 2.0
David Eickhoff
https://commons.wikimedia.org/wiki/Fi...
CC BY 2.0
Extinct Hawaiian bird images:
Naturalis Biodiversity Center
https://en.wikipedia.org/wiki/Natural...
CC BY-SA 3.0
Dung beetle images:
Ian Sutton
https://commons.wikimedia.org/wiki/Fi...
CC BY 2.0
Cane toad images:
Bernard DUPONT
https://commons.wikimedia.org/wiki/Fi...
CC BY-SA 2.0
Dr George Bornemissza image:
CSIRO
https://commons.wikimedia.org/wiki/Fi...
CC BY 3.0
Dung beetle footage:
AES Channel
/ @amentsoc
North East CMA
/ @northeastcma
Basalt to Bay Landcare Network Inc
/ @basalttobaylandcarenetwork
Bush fly images:
Jean and Fred Hort
https://www.flickr.com/photos/jean_hort/
CC BY 2.0
John Jennings
https://www.flickr.com/photos/1249300...
CC BY 2.0
Native Australian dung beetle images:
CSIRO
https://commons.wikimedia.org/wiki/Fi...
CC BY 3.0
Other dung beetle images:
Udo Schmidt
https://www.flickr.com/photos/coleopt...
CC BY-SA 2.0
Invasive fish footage:
Florida Bass TV
/ @floridabassteam
CEO Fishing
/ @bryantheceo
Island apple snail images:
University of Georgia and the USDA Forest Service
https://en.wikipedia.org/wiki/Pomacea...
CC BY 3.0 US
The identity, distribution, and impacts of non-native apple snails in the continental United States
https://en.wikipedia.org/wiki/Pomacea...
CC BY 2.0
Snail kite range map:
Scops
https://en.wikipedia.org/wiki/Snail_k...
CC BY-SA 3.0
Snail kite images:
Andreas Trepte
https://en.wikipedia.org/wiki/Snail_k...
CC BY-SA 4.0
I have edited and adapted some of these clips and images.
Creative commons licences: https://creativecommons.org/share-you...
Thanks for watching I hope you enjoyed :)
Sources:
https://www.scientificamerican.com/ar...
https://en.wikipedia.org/wiki/Austral...
https://www.nma.gov.au/defining-momen....
https://myfwc.com/research/freshwater...
https://en.wikipedia.org/wiki/Pomacea...
https://thehill.com/policy/equilibriu....
https://www.newscientist.com/article/...
https://en.wikipedia.org/wiki/Pleisto...