California has a geography problems it's home to one of the largest estuary and inland river delta in the western Americas, located in Northern California's San Francisco bay area, the region is part of the Mediterranean climate zone characteristic of California's coast, it has mild to cool winters with occasional rainfall, and warm to hot, dry summers.
It is home to a complex network of watersheds, marshes, rivers, creeks, reservoirs, and bays that predominantly drain into the San Francisco Bay and Pacific Ocean. The total area of the Delta, including both land and water, is over 2800 km2 or nearly 700,000 acres
In its natural state, the Delta was a large freshwater marsh, consisting of many shallow channels and sloughs surrounding low islands of peat and tule.
The Delta's waterways are comprised of fresh water, but the waterways depths are controlled by tidal action from the Pacific Ocean. It has approximately two high tides and two low tides every day.
Historically it was home to about 20 000 native Americans of the Maidu and Miwok tribes who lived in villages, on the eastern edge of the Delta, where the land was higher and less susceptible to flooding.
The Delta is home to a diverse array of wildlife and represents one of California's most important ecological habitats.
The delta supports a number of endangered species and provides key ecosystem services such as filtering pollutants and sediments from the rivers. while recharging the aquifers.
Many endangered species of birds are found here like the California least tern, the California clapper rail, the snowy egret, and the black crowned night heron.
Millions of migrating shorebirds annually take refuge in the delta which is considered the most important component of the Pacific Flyway for countless migrating birds
The Pacific Flyway is a major north-south flyway route for migratory birds in the Americas, which extends from Alaska to Patagonia in Chile and Argentina.
It is also home to significant sea mammals like sea lions, Bottlenose dolphins and harbor porpoises
and is an important stage on the migration routes of grey whales, blue whales and the highly endangered humpback whales.
The delta historically supported a diversity of salmon species like chinook and coho salmon, as well as steelhead trout. which have all seen a significant decline due to habitat loss, which has had an alarming effect on whale and Orca numbers which rely on salmon as one of their key food sources.
Today we are in the in the San Francisco Bay area to see a massive 30 000 acre transformation, costing over $300 million dollars and 2 decades in the making, this huge project is one of the worlds largest ever implemented!
Several Million Cubic Yards of Earth has been moved in a first-of-its-kind, 20 year experiment to restore 17,000 acres of flood planes, 3500 acres of wetlands and 377 acres of forests on former farm land and land set for development in the Californian Delta.
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