Sentences with phrase «in shallow lakes»

Large concentrations of sulfites and bisulfites in shallow lakes may have set the stage for Earth's first biological molecules.

Dr. Donald Stewart, a fisheries professor at ESF, found evidence in the monograph of a second species belonging to the genus Arapaima, air - breathing giants that live in shallow lakes, flooded forests and connecting channels in the Amazon River basin.

Next, he wrote a simple aqueous geochemistry model to calculate how much of these gases would have been dissolved in shallow lakes and reservoirs — environments that would have been more conducive to concentrating life - forming reactions, versus vast oceans, where molecules could easily dissipate.

«Brewing up Earth's earliest life: Large concentrations of sulfites and bisulfites in shallow lakes may have set the stage for Earth's first biological molecules.»

The otter likely lived near and foraged in a shallow lake or wetland in a warm, humid climate, say the scientists.

Not exact matches

To avoid another person's dog splashing in the shallows, we continued on to the second and third lakes before pausing to rest and drink in the scenery.

Don't let kids swim without adult supervision — lakes or ponds might be shallow near the bank, but increase in depth sharply farther out from shore.

A shallow Lake Michigan and «benign neglect» by the Chicago Park District have helped create small sand dunes at Montrose Beach — a habitat for rare plants that haven't been seen for decades in Chicago.

Scherer would later find dozens of crushed diatom shells in his samples — possible remnants of microscopic aquatic organisms from when the site of Lake Whillans was a shallow seafloor.

Depth may not be as much of an issue for you if you tend to fish in shallow waters, but if you fish in the ocean or deep lakes and rivers, having a maximum depth of 100 meters or more can be crucial to finding your next big catch.

Decades of drought in central Africa reached their worst point in the 1980s, causing Lake Chad, a shallow lake used to water crops in neighboring countries, to almost dry out completLake Chad, a shallow lake used to water crops in neighboring countries, to almost dry out completlake used to water crops in neighboring countries, to almost dry out completely.

Shallow lakes in northern Canada are drying up due to a lack of snow, yet another Arctic impact of climate change

In contrast, shallow lakes warm much more quickly in the spring, so the timing of their summer stratification is much less variable than for deep lakeIn contrast, shallow lakes warm much more quickly in the spring, so the timing of their summer stratification is much less variable than for deep lakein the spring, so the timing of their summer stratification is much less variable than for deep lakes.

Focusing on two stickleback species — one that dwells in the grassy shallows of the lake bottom and another that inhabits open water — the researchers found that different parts of the fish skeleton, even those that lie close to one another, are controlled by different chromosome regions.

These molecules likely had a chance to accumulate in shallow waters such as lakes and rivers.

As Tulaczyk watched the Herc on Jan. 17, 2013, the lake remained a mere silhouette pieced together from noisy geophysical measurements involving radar, lasers shot down from satellites and the seismic echoes of shock waves released by explosives detonated in shallow holes in the ice.

The four species of wild rice comprise the genus Zizania, a group of grasses that grow in shallow water in small lakes and slow - flowing streams.

About two dozen or so fossils of the creature have been recovered, all of them from 240 - million - year - old rocks deposited as sediment on the floor of a shallow, 5 - kilometer - long lake in what is now southern Germany.

«Lake Erie, the shallowest Great Lake, is also the coldest of all the Great Lakes in winter,» he says.

Lastly, gases produced at the bottom of these ponds are able to reach the top more often than what occurs in larger lakes, due to greater water mixing and shallower waters.

Sustained drought and insatiable upstream water demand have drained Lake Mead to the point that experts are predicting it may soon be shallow enough to be in deep trouble.

WATERY PAST Sandstone deposits laid down by ancient rivers on Mars, seen in this image from the Curiosity rover, indicate that Gale Crater was once a shallow lake.

The biologists used dormant eggs from Felbrigg Hall, a shallow lake in England: «Both the water flea population and the changes in temperature of that lake are well - documented.

Near Haney's workstation at Lake Attitash, a child splashed in the shallow water off a dock.

The researchers also determined that to achieve the best water quality in the Los Angeles River watershed, which covers 824 square miles and is the largest watershed in Los Angeles County, it could take 138,000 vegetated swales (shallow, sloped channels of vegetation) and 83,000 dry ponds (low - lying, depressed areas near rivers and lakes that typically are used to help clean stormwater).

The lake variability index was calculated by collating the published geological evidence for the appearance of either deep ephemeral or shallow alkaline lakes in seven major Basins in 50 kyrs sections over the last 5 Myrs [15], [17], [23]--[27], [34]--[37].

Figure 1 shows a compilation of all the current known occurrences of both ephemeral deep freshwater and shallow alkaline lakes in the EARS for the last 5 Myrs.

Benthic community metabolism in deep and shallow Arctic lakes during 13 years of whole - lake fertilization.

One of them is the floor of an ancient lake; another is a hot spring; and the third one is a site where hot water interacted with rocks in the shallow subsurface.

− I work mainly with inland lakes, but also with the Baltic Sea, the oceans, water located several kilometers deep in the bedrock and shallow ground water.

Mayor Teresa Jacobs and commissioners at Tuesday's meeting said the county should look into ways of dredging shallow Lake Venus as a better way of protecting the neighborhood west of Orlando, which was devastated by Hurricane Irma in September.

Judging by other fossils discovered near the location where the R. eurasiaticusfossil was found, the multituberculate apparently lived in a temperate area rich in plants by the shores of shallow lakes.

You can look for a cottage on the northern shores of Lake Superior (the world's largest lake, but unfortunately too cold for swimming), or you can look for a property on one of the numerous inland lakes in the area, which have warmer waters and shallower bLake Superior (the world's largest lake, but unfortunately too cold for swimming), or you can look for a property on one of the numerous inland lakes in the area, which have warmer waters and shallower blake, but unfortunately too cold for swimming), or you can look for a property on one of the numerous inland lakes in the area, which have warmer waters and shallower bays.

For most of the year, up to 4 million Lesser Flamingos move between the three shallow lakes in an outstanding wildlife spectacle.

The Kenya Lake System in the Great Rift Valley, a natural property of outstanding beauty, comprises three inter-linked relatively shallow lakes (Lake Bogoria, Lake Nakuru and Lake Elementaita) in the Rift Valley Province of Kenya and covers a total area of 32,034 hectares.

The shallower ends of the lake are covered in stunning lotuses and the entire scene is picturesque.

In many areas along the edge of the lake, where the water level is shallowest, the tops of the tallest hardwood trees — reduced to sun - bleached stick figures — protrude above the surface some 10 to 15 feet.

It comprises three inter-linked relatively shallow lakes (Lake Bogoria, Lake Nakuru and Lake Elementaita) in the Rift Valley Province of Kenya and covers a total area of 32,034 hectares.

The water averages only about 30 feet in depth between Cancun and the island This shallow water is generally very calm — almost like a lake — which makes for a great boat ride.

Champagne Pools, freshwater Ocean Lake, the shallow Waddy lagoon and the beach low tide whiting gutters are perfect for children to swim in.

Violent explosions created a shallow crater 11 kilometres in circumference, which now holds a lake.

Located just 7 km south of Mandalay, U Bien Bridge runs for 1.2 km across a sprawling shallow lake in the midst of scenic countryside and...

Hit the coastline for some beach driving (best suited to within three hours either side of low tide) to oggle at the coloured sands along the Great Sandy National Park or take the rainforest circuit from the Freshwater Track travelling to Rainbow Beach and Tin Can Bay; do some kayaking and fishing at Lake Cooroibah, take a picnic down to «The Frying Pan» (at the left - hand side of the Noosa River mouth) and splash about in the shallow water or check out the lighthouse at Double Island Point and see if you can spot any dolphins.

The lake beautiful known for it's gorgonians in the shallows and schools of circling reef fish.

Come join the crew and be «blown - away» with Australian Kitesurfing Academy as they teach you how to master one of the fastest growing water sports in the world.Visit them at Lake Cootharaba (Noosa 20 minutes) where warm shallow waters meet the Great Sandy National Park or join them in the four wheel drive to the famous Blue Lagoon near Fraser Island.

(Solar - cycle variation of nitrates also suggests that we do not require global - scale variation of temperature to explain some geological evidence of past solar cycles in lake sediments or shallow sea sediments.

While the shallow, near shore waters of this lake have been impacted by runoff, the offshore waters have been clearer in the last 97 years, due to the effects of warming and thermal stratification on nutrient (phosphorus) regeneration.

Spatial and temporal variability in midge (Nematocera) assemblages in shallow Finnish lakes (60 − 70 ° N): community - based modelling of past environmental change.

Russian (Sergei Kirpotin) quoted by Pearce (2005a), along with a report that «the permafrost of western Siberia is turning into a mass of shallow lakes as the ground melts,» lakes were expanding on the North Slope of Alaska, Katey Walter had found methane hotspots in eastern Siberia where the bubbling gas kept the surface from freezing in winter, etc..

It seems now that shallow lakes are in great danger of contamination if we feed them agricultural fertilizers.