Sentences with phrase «spawning grounds»

Mangroves provide at least US $ 1.6 billion each year in ecosystem services, which include: supporting fisheries by providing important spawning grounds for commercial fish species; filtering pollutants and contaminants from coastal waters and contributing to healthy coastal marine water quality; and protecting coastal development and communities against storms, floods and erosion *.

This «imprints «the harbors as the natural spawning grounds of the fish, so that they return to spawn when they reach adulthood.

So power companies get to build plants in spawning grounds.

Repeat spawners make the dangerous journey from the ocean to their freshwater spawning grounds multiple times throughout their lives, while single spawners take the risk only once.

Saturday, Nov. 22, from 10 a.m. — noon — Esopus Meadows Preserve Scavenger Hunt, ESOPUS, Ulster County — This walk along the Hudson's shore will showcase nature's treasures, including stunning Hudson River views and shallow waters just offshore that are among the Hudson's most important spawning grounds for striped bass.

Their rivers will provide spawning grounds for tomorrow's fish.

The only thing that can save this film for me now is if Godzilla continues to cycle through the colours of the LGBT flag and is cutting a path to the ancient heretofore unknown Zilla spawning grounds where He Godzilla is going to give birth to Godzuki.

The group believes that the species, whose last remaining stronghold is the Caspian Sea, is on the brink of extinction after decades of overharvesting and damage to its natural spawning grounds.

The plankton, in turn, attracts a vast array of marine life, providing feeding as well as spawning grounds for myriad pelagic species, including some that have migrated across wide oceanic areas.

Last summer the Tortugas Ecological Reserve was established 80 miles west of Key West; it covers just 197 square miles of coral reefs and fish spawning grounds, but that makes it the largest reserve yet in American waters.

WISE scanned the whole sky 1.5 times before running out of coolant in February 2011, but the data it beamed back continues to reveal our galaxy's hidden spawning grounds.

What is clear is that in coastal areas around the world, people have unwittingly created spawning grounds for huge numbers of jellyfish simply by building docks and other structures that quickly multiplying jellyfish polyps can attach to.

Sockeye salmon that sprint to spawning grounds through fast - moving waters may be at risk, suggests new research by University of British Columbia scientists.

This month American shad conclude their long journey from oceans to river spawning grounds.

Overfishing, pollution, and the blocking of spawning grounds by dams once devastated their populations.

The totoaba's spawning grounds coincide closely with vaquita habitat, and fish poachers often snag porpoises in illicit nets.

These are known to be major spawning grounds for commercial cod, haddock, saithe and herring fisheries, and protecting the ecosystem there is important.

Desert societies, with their far - flung members tending goats and camels, are classic spawning grounds for warrior classes and the accessories of militarism: military trophies as stepping stones to societal status, death in battle as a guarantee of a glorious afterlife, slavery.

Developers have damaged creek spawning grounds, county agencies have inadvertently cut down hundreds of shade trees the students have planted, and, despite all the volunteer cleanups the United Anglers have conducted along the 7 - mile waterway, people persist in using Adobe Creek as a refuse dump.

In the winter of 2009, scientists estimated that a total 45 adult coho salmon returned to the Redwood Creek spawning grounds.

They have returned to their natal spawning grounds to lay and fertilize millions of fragile eggs that will hopefully survive the next several perilous months to hatch sometime after the New Year.

It is the main spawning grounds of the eastern Atlantic bluefin tuna (Thunnus thynnus)[e.g., [21]--[25]-RSB-.

Fred is deeply concerned about proposals to build the largest coal export terminal in North America near Bellingham, Washington, and the herring spawning grounds of the Cherry Point Aquatic Reserve.

On the undammed Sandy, salmon and steelhead will soon have renewed access to over 100 miles of their historic spawning grounds.

The plumes are also direct evidence that the oil is mixing at every level of the ocean, from the fragile coral reefs at the bottom of the Gulf to the shallower spawning grounds of the bluefin tuna.

River herring include two related species, alewife and blueback herring, which migrate between freshwater spawning grounds and the ocean, where they spend most of their lives.

Half of the income generated for Shorebank from the card goes to «Salmon Nation» an economic, cultural and ecological community collective in the bioregion that contains Pacific salmon spawning grounds.

It is still too early, however, to measure the next hoped - for benefit of such preserves: serving as spawning grounds to replenish populations outside their boundaries.

This could help identify important spawning grounds to designate for protection and restoration.

Sometimes entrepreneurial companies are spawning grounds for new ideas about how to run a business — ideas that then spread, in one form or another, to more established enterprises.

Economically distressed cities like Houston are spawning grounds for cashless businesses, whose hard - up CEOs can dictate surprisingly favor able real - estate terms to even harder - up landlords.

Results from nicheROVER can show whether a species occupies a specific part of the ecosystem or if it overlaps and potentially competes directly with other species for food, space and spawning grounds.

Russian Sturgeon For the past three generations Russian sturgeon have been facing a double threat: the loss of spawning grounds and the overharvesting of their eggs for caviar.

By the time Pacific salmon close in on their spawning grounds, they are senescent and naturally immunosuppressed.

These tags lead crews to spawning grounds, where lake trout gather annually in large numbers.

The tuna only breed if they survive to about eight years old and make the long haul back to the spawning grounds off the northwest coast of Western Australia.

These spawning grounds are found in the coastal waters of the Laptev and Kara Seas in northern Siberia.

They drift along with the ice, which is most likely how they make their way from their spawning grounds in the waters of northern Siberia to the central Arctic.

It has long been surmised that the young fish reach the Central Arctic from their spawning grounds under drifting ice.

«Days after sockeye passed through extremely fast - moving water, we started to see fish dying only a short distance from their spawning grounds,» said Nicholas Burnett, a research biologist at UBC and lead author of the study, published in Physiological and Biochemical Zoology.

Tagged fish were released in the high flows downstream of a dam in southwestern British Columbia and tracked as they navigated through a fishway and two lakes to their spawning grounds.

Researchers found that fish that chose to burst swim for long periods through the high flows downstream of a dam were more likely to die en route to their spawning grounds, after they passed through the fast flows, than those that chose to swim a bit slower.

Early declines, dating as far back as the 1700s, were probably the result of overharvesting in the rivers, dam construction blocking access to spawning grounds, and water pollution.

But when an entrepreneur named Thomas Aldwell built a dam for hydroelectric power without the fish ladders that allow salmon to surmount the dam — even though state regulations required them — most of the fish were cut off from their spawning grounds upstream.

«We found that freshwater acidification affects pink salmon and may impact their ability to survive and ultimately return to their freshwater spawning grounds.»

Pacific bluefin spawn in waters stretching between southern Japan, Taiwan, and the Philippines but migrate to the eastern Pacific, where they mature before returning to the spawning grounds.