Sentences with phrase «shallow lakes»

The study focused on shallow lakes, ponds, rivers and wetlands.
This suggests methane emissions from shallow lakes may be significantly underestimated.
Small baby pools and shallow lake banks are great places to work with younger dogs; help them to become comfortable by having their feet and legs submerged.
The gold deposits in the Witwatersrand, which are unique worldwide, could have thus been formed only during a certain period of the Earth's history: after the development of the first continental life forms in shallow lakes at least 3 billion years ago, but before the first emergence of free oxygen in the Earth's atmosphere approximately 2.5 billion years ago.
The Kenya Lake System comprises three inter-linked relatively shallow lakes (Lake Bogoria, Lake Nakuru and Lake Elementaita).
Clouds drift through the haze and rain falls from them to erode stream - like channels draining into shallow lakes.
New research finds permafrost below shallow lakes such as these is thawing as a result of changing winter climate.
Permafrost below shallow lakes such as these on Alaska's coastal plain is thawing as a result of changing winter climate.
Maneuvering the by - now thoroughly familiar Luders through a heavy wind that kicked up three - foot waves on shallow Lake St. Clair, Buchan took first place on Tuesday morning and then came back that afternoon to beat the pack again.
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 lakes.
«From the vegetation and other animal groups found at Shuitangba, we know that it was a swampy, shallow lake with quite dense vegetation,» said Dr. Su.
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.
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...
The Lighthouse Atoll is a 22 mile long by 5 mile wide shallow lake that is...
Foragers and then cattle herders flourished on the desert's open plains and by huge shallow lakes, including a greatly enlarged Lake Chad.
The desolate landscape supported shallow lakes and semi-arid grasslands.
The scientists surveyed 402 lakes on the North Slope, the tundra - covered region where permafrost (permanently frozen ground) and shallow lakes dominate the terrain.
«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 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 carbon probably stems from the growth of bacteria on the bottom of shallow lakes and it's here that the dissolved gold precipitated chemically, according to Heinrich's interpretation.
Warmer climate conditions means thinner cover on shallow lakes and a smaller fraction that freeze entirely during the winter months.
Before the river was «leveed off» and the landscape behind it given over to agriculture, La Grange Reach tapped into shallow lakes, thick pockets of woods, and myriad sandbars and sloughs, all of which moderated the flow of nutrients into it.
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.
The otter likely lived near and foraged in a shallow lake or wetland in a warm, humid climate, say the scientists.
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 completely.
Shallow lakes in northern Canada are drying up due to a lack of snow, yet another Arctic impact of climate change
Federal biologists are also in the midst of a 15 - year effort to combat invasive carp that have largely destroyed the native aquatic ecosystem of the refuge's two massive, shallow lakes and the Blitzen River that feeds them from the south.
With increasingly warmer and snowier winters yielding thinner lake ice, shallow lakes will likely continue to warm, Arp said.
Shallow lakes on the Coastal Plain of Alaska.
«In shallow lakes, we found these molecules would have been an inevitable part of the environment,» says Sukrit Ranjan, a postdoc in MIT's Department of Earth, Atmospheric and Planetary Sciences.
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.
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.
«At the time that the otter lived, the area where its remains were found included a swamp or a shallow lake surrounded by evergreen forest or dense woodland,» said Su, a paleoecologist at the Cleveland Museum of Natural History and one of the leaders of the Shuitangba Project that discovered the fossil otter.
«But a simple chemical reduction of sulphur - complexed gold in water to elementary metal on an organic material is sufficient for a chemical «gilding» of the bottom of the shallow lakes
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.
«In shallow lakes, we found these molecules would have been an inevitable part of the environment,» says Sukrit Ranjan, a postdoc in MIT's Department of Earth, Atmospheric and Planetary Sciences and a member of the Kavli Institute for Astrophysics and Space Research (MKI).
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.
For most of the year, up to 4 million Lesser Flamingos move between the three shallow lakes in an outstanding wildlife spectacle.
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.
Inland you will find homestay, coconut plantation and a shallow lake that produces salt in the dry season.
Participants continued their scientific discussions surrounding the downstream aquatic biological effects of a changing cryosphere as they walked on the salt beds of the shallow lake.
Large concentrations of sulfites and bisulfites in shallow lakes may have set the stage for Earth's first biological molecules.
A report in the latest edition of Geophysical Research Letters journal says that even under the shallow lakes that dot the Arctic lowlands, permafrost is beginning to thaw.
It seems now that shallow lakes are in great danger of contamination if we feed them agricultural fertilizers.
a b c d e f g h i j k l m n o p q r s t u v w x y z