WHAT MAKES MIGRATION TOUGH? Can you find these “factors” in the picture? o Cattle allowed to graze in streams erode stream banks and pastures have run-off into streams. o Acid precipitation and other atmospheric dep

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Date: 2014-04-16 16:05:42 Hydrology Rivers Physical geography Dam Salmon Stream Southern California Steelhead DPS Fish Water Fluvial landforms		WHAT MAKES MIGRATION TOUGH? Can you find these “factors” in the picture? o Cattle allowed to graze in streams erode stream banks and pastures have run-off into streams. o Acid precipitation and other atmospheric dep Add to Reading List Source URL: www.fws.gov Download Document from Source Website File Size: 577,63 KB Share Document on Facebook

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