Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs...

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Salmon Habitat Salmon Habitat Oregon Department of Fish and Oregon Department of Fish and Wildlife Wildlife Salmon and Trout Enhancement Salmon and Trout Enhancement Program Program

Transcript of Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs...

Page 1: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

Salmon HabitatSalmon HabitatOregon Department of Fish and WildlifeOregon Department of Fish and Wildlife

Salmon and Trout Enhancement Program Salmon and Trout Enhancement Program

Fish Eggs To Fry Volunteer GuideFish Eggs To Fry Volunteer Guide

Page 2: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

Stream HabitatStream HabitatSmall streams play a vital role in salmon life history. Many species of salmon spawn in small streams and after hatching fry may remain in the stream for more than a year before swimming to the sea.

Page 3: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

Stream Habitat - ThreatsStream Habitat - ThreatsSmall streams face many threats that damage habitat for salmon and other aquatic life.

Page 4: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

River HabitatRiver HabitatRivers provide habitat for salmon and serve as highways for them to swim between the ocean and their spawning grounds.

Willamette RiverColumbia River

Lostine RiverTrask River

Page 5: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

River Habitat - ThreatsRiver Habitat - Threats

Because large rivers often flow long distances through populated areas they are subject to many threats that harm salmon.

Page 6: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

Estuary HabitatEstuary HabitatEstuaries are where rivers meet the ocean and the water is ‘brackish’ – part saltwater and part freshwater. Estuary habitat is very important to salmon smolts because it is where they begin adapting to living in saltwater before entering the ocean.

Page 7: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

Estuary Habitat - ThreatsEstuary Habitat - Threats

Many estuaries have vanished or suffered habitat damage over the past 100 years.

Page 8: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

Ocean HabitatOcean HabitatSalmon spend more than 80% of their lives in the ocean and is where they grow large and strong enough to make the journey back to the streams where they were born to spawn.

Page 9: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

Ocean Habitat - ThreatsOcean Habitat - ThreatsEven though it is so large, the ocean also faces threats that can damage its habitat and make it more difficult for salmon to survive. Humans may also directly cause problems for salmon while they are in the ocean.

Page 10: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

What Salmon EatWhat Salmon Eat

Salmon eat different things depending on what habitat they are in and how old they are.

Page 11: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

Water QualityWater Quality

Clean water is crucial for salmon, but many things humans do contaminates streams and rivers, making it harder for them to survive.

Page 12: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

Water TemperatureWater Temperature

Salmon are a coldwater fish species and survive best at temperatures between 46º to 59º F.

Salmon and Water TemperaturesºF

Salmon Survival Index

Page 13: Salmon Habitat Oregon Department of Fish and Wildlife Salmon and Trout Enhancement Program Fish Eggs To Fry Volunteer Guide.

Stream FlowStream FlowSalmon need to have enough water flowing in a stream for them to spawn, hide from predators and find deep pools where they can keep cool in the summer.