Sentences with phrase «spawning fishes for»

At the same time, they may also have other impacts on the food web that have yet to be measured, including possibly competing with typical winter - spawning fishes for food.

Not exact matches

The local and downstream environmental benefits of watering throughout the system and down into the Lower Lakes and Coorong include assisting native fish spawning and movement, improving the health of native vegetation, supporting waterbirds and increasing food sources for native species.

The event provided a small short term increase in habitat access, contributed to a flow regime (providing flow variability and hydraulic diversity) that is suitable for non flow cued fish species to spawn, and provided water to the central reed beds of the Great Cumbung Swamp.

This enabled a more natural flow pattern and aimed to support the environment by enhancing spawning opportunities for large - bodied native fish, such as golden perch (Macquaria ambigua).

A total of 367 GL of Commonwealth environmental water was released from Hume Dam to support in - channel, wetland and low elevation floodplain habitat throughout the River Murray for improving the condition, movement and recruitment of native fish — both silver (critically endangered under the Environment Protection and Biodiversity Conservation Act 1999) and golden perch were detected spawning in the Mid Murray in response to flow variability; improve riparian and wetland vegetation condition; and contribute to the managed export of salt from the River Murray system.

Purely and simply he loves Atlantic salmon, and this was why, on this hard winter's afternoon, we were reconnoitering the hill streams, looking for the patches of white pebbles where the salmon had used their broad tails to carve out the spawning beds, looking for the vulnerable pools where the fish lie.

The retiring MP explains how his love for fishing spawned a political career lasting over a quarter of a century

Impacts to wildlife in Haverstraw Bay, one of the most important spawning areas and nurseries for fish throughout the Hudson River Estuary and the Atlantic Coast.

The creek downstream of the Route 23 Bridge is also important overwintering and spawning habitat for several fish species.

The goal of the University of Michigan - led project is to boost fish populations by providing river - bottom rock structures suitable for spawning.

If the researchers can identify lakes that are likely to keep walleye healthy in the future, then officials can foster walleye spawning in those places and keep the state's fishing industry healthy for decades to come.

For centuries fishermen have worried that too few fish spawn during breeding season, leading to longstanding rules limiting minimum length.

Although not direct proof, this provides a plausible explanation for the collapse of the Prince William Sound herring stock four years later, when fish spawned during the oil spill would have matured.

Since the fish eggs are only a few hours old, this technique allows researchers to assign spawning locations with certainty, as opposed to methods of looking for older larvae which could have been floating in the ocean for weeks or even months.

«Mussels need host fishes to spawn, and some mussels are obligated to just a few species or even a single species for their hosts,» said Dana Infante, associate professor of fisheries and wildlife in MSU's Aquatic Landscape Ecology Lab.

The coral atlas, for all its beautiful color, was not nearly so vivid as the European Union's decision last February to close a fifth of the North Sea to cod fishing during the spawning season; that hit the British right in their fish and chips.

Spawning heavily and putting on weight rapidly, Asian carp soon grow too big for native predatory fish to take on.

Perhaps the hardest hit and most talked about salmon fishery in the world — California's Sacramento River Chinook run — has been off - limits to fishers for two years now because of the low volume of wild fish returning to spawn.

Chapman calls the spawning requirements of silver and bighead carp their Achilles» heel because the rivers feeding the Great Lakes — assuming the fish could discover them — tend to be fast, rocky and short, not ideal for nursing carp.

Sourcing some fine fish spawn for this dish from London's Fortnum & Mason store almost bust our catering budget.

Even moving a seawall higher up on the shoreline would allow space for forage fish to spawn and natural tides to bring valuable nutrients to shore.

Thor - Ivar Guldberg of the World Wide Fund for Nature in Norway says the waters off Runde are also an important spawning area for commercial fish species, including herring and cod.

None of the 13 companies who responded currently restrict purchases of juvenile fish or those caught just before spawning, but Hanaoka says they did find some reason for optimism.

Groupers and other fish often spawn together in coral reefs at depths between 30 and 150 meters in the Caribbean, and these aggregations may make them easy pickings for predators.

Each point represents an estimate for an individual fish from a spawn year.

Repeat spawning fish, on the other hand, save some of their energy for later.

To know where fish spawn, for example, scientists often have to catch, kill or harass fish in their environment.

KNOXVILLE — The larvae of some species of reef fish appear to survive better depending on the timing of when they were spawned, according to new research from the National Institute for Mathematical and Biological Synthesis.

The «extras» allow the consumer to customize the food for their fish using our guidelines and what they want to accomplish — better color, spawning, etc..

In fact, for over 15 years I have spawned, raised and sold fish from over 200 tanks filtered by nothing more than box filters.

Kennedy Lake is a popular spot for swimming, fishing, windsurfing, kayaking, boating and in the Fall is also a popular location to spot Black bears as well as spawning sockeye.

Grizzlies flock to the park's Brooks River in summer to fish for sockeye salmon on their spawning run inland from the Bering Sea, a spectacle that humans can view and photograph from elevated wooden platforms.

Today, one of the primary purposes of Katmai National Park and Preserve, based on legislation, is to protect habitats for and populations of fish and wildlife, including, but not limited to, high concentrations of brown bears and their denning areas, and maintain unimpaired the watersheds and water habitat vital to red salmon spawning.

Due to the island's many freshwater lakes and streams that feed into the protected island channels — and therefore prime spawning locations — it is here where sport fishermen from around the world flock for some of the best salmon fishing in the world.

This is a sandy area well inside the reef, and is a traditional commercial fishing (perhaps spawning) area for the lane snapper (Lutjanus synagris, common silk snapper.

Famous for salmon fishing, a «fish ladder» on the dammed river helps the salmon to swim upstream to spawn.

Visitors can marvel at more than 30 species of reef fish that use the Gladden Spit and Silk Cayes Marine Reserve for spawning.

This exposed southern point is a congregation area for for large schools of jacks and snappers, thousands of groupers come here to spawn, and sharks and rays are also attracted to the area by all the fish action.

Only after salmon begin to spawn and die at the end of August and early September will fishing conditions improve enough for large numbers of bears to return to Brooks River.

Attracted to the spawning salmon the bears may be seen ascending from the forest and fishing for salmon on the river's shores!

It is actually a spawning area for the pelagic plectropomus grouper, so there are plenty of these fish there.

The sea grass is the spawning ground for the plentiful conch and many of the fish species that inhabit the reef.

Why they are attracted to this part of the reef is uncertain, but it may be because this exposed point is one of the premier spawning grounds for groupers and other fish.

As groupers are protected in the Cayman islands it is very rare to catch one as you are not permitted to fish for them in most areas around the island known as grouper holes and spawning areas.

These small schooling fish are seen to gather in the caves and tunnels of Eden Rock and Devils Grotto, which can harbor the nearly defenseless fish from predation as well as provide safe haven for spawning.

This unique physical structure makes it the perfect place for fish to spawn and hide from predators.

Five species of mangroves provide an important spawning site for many fish and other marine creatures.

This reserve has five species of mangroves providing a safe spawning safe for many fish and other animals.

Many of the dive sites act as spawning sites for reef fish as the lagoons and mangrove shallows offer good protection for juvenile fish.

The Gladden Spit and Silk Cayes Marine Reserve located near Placencia in Southern Belize, is a spawning aggregation site for many different tropical fish species including the cubera, mutton and dog snappers which produce tons of spawn.