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Salmon · Anadromous fishes that move ocean fat onto spawning gravels -- and into forests, treaties and hydropower fights.

At a glance
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Quick answers

Do all salmon die after spawning?

Most Oncorhynchus (Pacific) are semelparous. Salmo salar can spawn more than once. The postcard of corpses on gravel is a Pacific-weighted image.

Why do forests need salmon?

Isotope studies show marine nitrogen in riparian trees and songbirds. Bears and eagles are the visible vectors; the trees keep the receipt.

What did the Elwha dam removals show?

After 2011-14, sediment flushed and salmon recolonised reaches above the old dams faster than some models feared -- a rare full-height teardown.

Are hatcheries a solution or a delay?

They keep harvest numbers up and can dilute wild fitness. The argument is now about proportions, not existence.

Why are Atlantic salmon a different politics?

Wild S. salar collapsed in much of Europe and New England. Farmed Atlantic salmon in net pens are a separate industry with sea-louse and escape files.

What is the Alaska exception?

Many Alaska runs are still large and limited-entry managed. That success is not transferable to a heavily dammed Columbia without the same habitat.

Money around the salmon is regional even when the brand is global.

Figures are dated educational bands -- not live quotes and not a buying guide.

Encounter bands

Viewing / tourism (2010s band)

Ticketed

Safari, hide, cage-dive or parade tickets in the 2010s often sat in the tens to hundreds of USD per person -- a dated band, not a live quote.

Conflict / livestock loss

Local & episodic

Predation and crop-raid compensation schemes (US, Kenya, India) published per-head bands that changed with election cycles.

Fishery / take value

Commodity

Where the type is a catch (tuna, salmon, fugu), 2000s-2020s ex-vessel or auction bands were the political number -- not a supermarket tag.

Captive / zoo husbandry

Institutional

Annual keep for a large mammal or a specialist bird in AZA/EAZA reports ran to five or six figures USD in the 2010s.

Enforcement / reserve ops

Public

Ranger, observer and census costs are socialised; they do not appear on a viewing ticket.

Regions

North America

ESA listings, Parks Canada, Alaska runs and Churchill buggies are the English-language field the localLens keeps returning to.

United Kingdom and Ireland

RSPB, NatureScot, reintroductions and a dense NGO press shape how this atlas type is taught in British English.

European Union / wider Europe

Habitats Directive, IWC delegations and returning wolves sit beside UK practice without being identical.

Range-state core

The biological centre of the salmon -- often not English-speaking -- still writes the Red List.

Australia and New Zealand

DOC, Phillip Island, Taiaroa Head and kakapo-style ICU projects are the southern English conservation dialect.

Global trade desks

CITES, ICCAT, IWC and auction houses price the animal whether or not a local language has a word for it.

Key range numbers

63Atlas speed
50Atlas resilience
61Atlas cultural impact
88Atlas ecological role

Field programmes

NOAA Fisheries

ESA listings and Columbia biological opinions.

Alaska Department of Fish and Game

Limited-entry run management.

Treaty tribes (NWIFC and others)

Co-managers after Boldt.

Wild Salmon Center

Stronghold science on the Pacific Rim.

NPS Elwha project

Dam removal logistics 2011-14.

NASCO

North Atlantic Salmon Conservation Organization for S. salar.

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