![Craig Mercer tenant un gros saumon](/sites/default/files/styles/career_image/public/2021-01/Craig%20Mercer.jpg?itok=LKYWpmJ7)
Craig Mercer
Aquaculture Project Coordinator
![Amy Negrijn sur un bateau](/sites/default/files/styles/career_image/public/2020-12/AimyNegrin-1.jpg?itok=fFS01g-M)
Amy Negrijn
Career Profiles
Compliance and Certification Coordinator
![Dense tropical rainforest](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/tropical-dense-cloud-forest-coverd-in-fog.jpg?itok=hZ-ak9O8)
Tropical Rainforest Biome
Backgrounders
Learn about the location, plants, animals, human impacts and conservation of tropical rainforest biome.
![Katelyn Tovey | Directrice adjointe, Éducation et conservation](/sites/default/files/styles/career_image/public/2019-09/Katelyn%20Tovey.jpg?itok=M3iqy0x2)
Katelyn Tovey
Assistant Manager of Education and Conservation
![A forest damaged by pine beetles](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/pine-beetle-damage-forest.jpg?itok=rD_omerz)
How Do Introduced Species Affect Ecosystems and the Economy?
STEM Explained
When a species ends up outside of its natural zone, the consequences on other species, ecosystems and human industries can be severe. Climate change and human activities can introduce species into new zones.
![Salmon aquaculture pens](/sites/default/files/styles/resource_card_image_360x300_/public/2020-05/Salmon_aquaculture_pens.jpg?itok=yrwdnv2j)
Farmed Salmon vs. Wild Salmon
STEM Explained
Aquaculture is seen as a sustainable way to produce fish. But are farmed salmon better than wild fish?
![Goldfish Goldfish](/sites/default/files/styles/resource_card_image_360x300_/public/Gullfiskur.jpg?itok=L6czSzoc)
Fish: Freshwater
Picture Collections
4 images of some fish such as koi that live in freshwater river and lake environments and in freshwater aquariums and garden ponds
![Clown Fish Clown Fish](/sites/default/files/styles/resource_card_image_360x300_/public/Clown_fish_in_the_Andaman_Coral_Reef.jpg?itok=nkTzBh1T)
Fish: Saltwater
Picture Collections
14 images of some fish such as lion fish, grouper and sharks that live in saltwater environments like oceans, saltwater lakes and aquariums
![Timea Filer - Urban Forestry Field Technologist](/sites/default/files/styles/career_image/public/2019-08/Timea%20Filer_28.jpg?itok=fEY8NK3Q)
Timea Filer (Video)
Career Profiles
Urban Forestry Field Technologist
![Timea Filer | Urban Forestry Field Technician Timea Filer | Technicienne de terrain en foresterie urbaine](/sites/default/files/styles/career_image/public/Timea%20Filer_26.jpg?itok=isJEd7as)
Timea Filer
Career Profiles
Urban Forestry Field Technician, City of Guelph
![Heather Dover | Arborist Heather Dover | Arboricultrice](/sites/default/files/styles/career_image/public/Heather%20Dover_13.jpg?itok=kijAxCZD)
Heather Dover
Career Profiles
Arborist
![Andrew Newman | Mechanical Tree Harvester Andrew Newman | Mechanical Tree Harvester](/sites/default/files/styles/career_image/public/6215_13.jpg?itok=oLEDX3iw)
Andrew Newman (Video)
Career Profiles
Mechanical Tree Harvester
![Lacey Rose - County Forester, County of Renfrew](/sites/default/files/styles/career_image/public/2019-08/6207_14.jpg?itok=GugzDZsy)
Lacey Rose (Video)
County Forester
![Lacey Rose | County Forester, County of Renfrew Lacey Rose | Experte-forestière, comté de Renfrew](/sites/default/files/styles/career_image/public/6207_13.jpg?itok=GSVO7uXO)
Lacey Rose
Career Profiles
County Forester
![Stephanie Good | Senior Fisheries Certification Manager Stephanie Good | Responsable de la certification des pêches](/sites/default/files/styles/career_image/public/5535_13.jpg?itok=NY0RC4f_)
Stephanie Good
Career Profiles
Senior Fisheries Certification Manager