Sentences with phrase «fish over dams»

Not exact matches

But the industrialized motif of North America's longest dam - free river belies a rare natural treasure: a sockeye salmon run with a historical average of eight million fish worth over $ 1 billion.

Some fish spill harmlessly over the top, while others pass through pipes or other structures designed to route fish around the dam or steer them clear of the energy - producing turbines.

This error of judgment is seen all over, from the damming of rivers (and subsequent loss of fish species) to the misguided attempts of the BLM in trying to control horse and wolf populations while ignoring natural selection).

A combination of tropical climate with long summers and mild winters, the dam has no closed barra season so can be fished all year round and is annually restocked with over 20,000 barramundi fingerlings.

In 2002, over 33,000 salmon died in a massive fish kill caused by dams on the river, as well as water diversions, agriculture, industrial pollution, mining, road building and poor forestry.

Fish stocks in the Yangtze declined rapidly over the last decade and the dam's reservoir is severely polluted.

5 failures, 1 over 100 2nd — 79, 5 failures 3rd — 85, 2 failures, Highest score 107 4th — 89, 7 failures, Highest score 107 5th - 76, 7 failures 7th — 74, 5 failures, 2 / — bottom dwelling organisms oysters lobsters worms Saltwater Oceans cover 71 % of earths surface Regulation of climate Stores of Carbon Dioxide and production of Oxygen 250 / and filling of wetlands — mitigation banking of wetlands — not net loss Damming rivers Sedimentation Fish stocking and introductions — zebra mussels In groups of 2: /

Dam removal will improve water quality and open access to hundreds of miles of habitat for endangered salmon and steelhead, ideally resolving lingering disputes over water in the basin and providing greater economic security for fishing, tribal, and agricultural communities.