Written in EnglishRead online
|Statement||[by] T. L. Borodulina. Translated from Russian [by R. Ettinger]|
|LC Classifications||QL690.R9 B64|
|The Physical Object|
|Number of Pages||132|
|LC Control Number||68061992|
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Biology and economic importance of gulls and terns of Southern-USSR water bodies [Borodulina, T. L] on *FREE* shipping on qualifying offers. Biology and economic importance of gulls and terns of Southern-USSR water bodies.
Biology and economic importance of gulls and terns of Southern-USSR water bodies book this from a library. Biology and economic importance of gulls and terns of Southern-USSR water bodies = (Biologiya i khozyaistvennoe znachenie.
Gulls and terns are versatile birds that use a broad range of habitats, including fresh and salt water, sandy beaches and fields. Terns have angular wings and pointed beaks. Both terns and gulls have webbed feet. Leg and bill color are key characteristics that help with identification.
Gulls take three to four years to reach adult coloration. The Herring Gull, Larus argentatus, is a large gull which breeds across North America, Europe and Asia. It migrates further south in winter. Some are permanent residents on the lower Great Lakes and the east coast of North America.
Herring Gulls are also abundant around inland garbage dumps, and some have even adapted to life in inland cities. Economic Importance for Humans: Positive. Mew Gulls, along with many other types of gulls, have helped to keep beaches a bit cleaner due to their scavenging nature.
This in effect, cuts the cost of maintenance of beaches. (Time Life, ) Economic Importance for Humans: Negative. Biology and economic importance of gulls and terns of Southern-USSR water bodies / Borodulina, T. Israel Program for Scientific Translations; [available from U.S. Clearinghouse for Federal Scientific and Technical Information, Springfield, Va.], A Field book of the shore fishes of Bermuda and the West Indies /.
Gulls and terns Gulls are small to large seabirds, many of which also live inland for at least part of the year; some are strictly marine.
Most are grey, black and white when fully mature, but extensively marked with various shades of brown during from one to four years of immaturity. Borodulina, T. (): Biology and economic importance of gulls and terns in the Southern USSR water bodies. Israeli Program for Scientific Translations, Jerusalem.
Bourne, W. (): A review of oceanic studies of the biology of seabirds. Proc. XIII Int. Orn. Congr. (): – Most species of gulls and terns are found over open water or on coastal habitats such as beaches and shorelines, which is how they earned the generic name “sea” gulls.
However, these birds can be found in a variety of habitats from wetlands and ponds to farm fields and parking lots. The Great Lakes are rich in diversity of gulls and terns. California Gull - Yellow bill with a patch of red, dark eye, white body with gray wings. Herring Gull - Pink Legs, bigger size than a California Gull and has light eyes.
Black Tern - Smallest tern, black all over. Common Tern - Long beak and legs, black cap on head, white and gray wings, white on tail. gray on upper part of wings. water, the hydrology of an area is significantly altered and allows for harnessing moving water as a source of energy. While the benefits of energy are well recognized, it also alters the ecosystem.
A Review of Gull Damage and Management Methods at Nature Reserves G. THOMAS The Royal Society for the Protection of Birds, The Lodge, Sandy, Bedfordshire, England ABSTRACT The increase of some gull populations, particularly at nature reserves, can have harmful effects on other nesting birds chiefly because of competition for nesting space, food- stealing, and the predation of.
Borudulina, T. L.,Biological and economic importance of gulls and terns of southern USSR water bodies, Ecol. Morphol. Birds Mann. Natl. Sci. Fnd. (transl.), Washington, D.C.
Google Scholar Brown, R. G.,Courtship behaviour in the Lesser. Gulls may be detrimental to some shorebird and waterbird species of concern because they prey on eggs and chicks. For example, predation by Laughing, Herring, and Great Black-backed Gulls contributes to declines or lower productivity of some species along the Atlantic Coast.
Gulls are a primary predator of nests and chicks of terns. Avocets, Mediterranean gulls and gull-billed terns were not dependent on the Drana lagoon for foraging (Goutner, Goutner, b Goutner, ).
In general, therefore, the Drana islands. Escherichia coli or E. coli is a type fecal coliform bacteria that is commonly found in the intestines of animals and humans.
coli in water is a strong indicator of sewage or animal waste contamination. Sewage and animal waste can contain many types of disease causing organisms. Consumption may result in severe illness; children under five years of age, those with compromised immune systems.
Economic Importance for Humans: Negative. There are no adverse affects of Bonaparte's gulls on humans. Conservation Status. The global population of Bonaparte's gulls is estimated to be betweenandThis number seems to be stable.
IUCN Red List Least Concern More information IUCN Red List Least Concern. related to terns, also in the Laridae family, but of the genus Sterna. Many Gulls are attracted to water for a variety of reasons, depending on the size of the water body.
covering or wire grids (see exclusion methods below). These larger bodies of water provide safe nighttime roosting areas. Smaller ponds can be made less attractive to. The herring gull (L. argentatus) is by far the most familiar of the Atlantic gulls.A bird of the Northern Hemisphere, it has a gray mantle, flesh-coloured legs and feet, and black-and-white-spotted wing tips.
It was rare at the turn of the century, a casualty of the millinery trade, which used bird feathers as decorations in women’s hats.
Legal protection and open garbage dumps helped it. Gulls, Terns, and Jaegers — Laridae. The family Laridae is very large and encompasses three subfamilies: gulls (Larinae), jaegers (Stercorcariinae), and terns (Sterninae) – a total of 92 species worldwide.
Although they are all sea birds, the three subfamilies have some important differences. This book highlights the various species of birds found in mangrove forests in Selangor, Malaysia. This publication also provides most timely information regarding the local and migratory bird species found in a mangrove area.
Malaysia, being one of the Important Bird & Biodiversity Areas (IBAs) country, is an essential stop for migratory birds. 84 STUDIES IN AVIAN BIOLOGY TABLE 1 DATA SETS, BODY LENGTH AND AGE OF FIRST BREEDING FOR LARCJS Gusts STUDIED () Gull species Scientific name Number of data set+ Mean length (CW Age at first breeding” (year).
Heermann’s LAIWS heermanni 3 3 Ring-billed L. delawarensis 12 3. Major bodies of water in the southeast region of the United States include Lake Okeechobee in Florida, the Gulf of Mexico and the Mississippi River, which runs along Mississippi's western border and into Louisiana.
All three bodies of water. The Western Gull is widespread along Pacific beaches of the U.S. and Baja California, where its large size and dark back set it apart from other local gulls.
Be aware that hybrids between Western and Glaucous-winged Gulls are common, particularly in the Pacific Northwest. These large gulls eat a wide variety of fish, marine invertebrates, and carrion, both along the shoreline and out at sea. Simplified tip no. 2: The Great Black-backed Gull is “a fairly sedentary gull, spending much of its time loafing on the beach, resting on the water, or standing atop an elevated post or light fixture.” Photo: Mark Eden/Great Backyard Bird Count.
First, simplify by just worrying about the expected gulls at a location. Ring-billed Gull populations are greatly reduced during the summer months. They are found in both coastal and inland areas. They are often seen in parking lots with Laughing Gulls.
Forster's Terns are found in salt- and freshwater areas. They are most common during the winter. Royal Terns. Such novel, artificial wetlands (with many small islands, shallow water and abundant colonies of gulls/terns) provided ideal conditions for breeding Pochard.
Moscow Region fishponds held up to breeding pairs in early s, many supporting high breeding densities (up to 24‒25 pairs per ha within gull colonies, Mischenko Algae - Algae - Ecological and commercial importance: Algae form organic food molecules from carbon dioxide and water through the process of photosynthesis, in which they capture energy from sunlight.
Similar to land plants, algae are at the base of the food chain, and, given that plants are virtually absent from the oceans, the existence of nearly all marine life—including whales, seals. The only gull nesting along most of the Pacific Coast from Washington to Baja, this large species is common at all seasons.
An opportunist, it often nests around colonies of other seabirds, where it can steal unguarded eggs or chicks. It will also nest near colonies of California sea lions, scavenging any sea lion pups that die of natural causes. At the northern end of its range it hybridizes. Gulls range in size from the little gull, at grams (4 1 ⁄ 4 ounces) and 29 centimetres (11 1 ⁄ 2 inches), to the great black-backed gull, at kg (3 lb 14 oz) and 76 cm (30 in).They are generally uniform in shape, with heavy bodies, long wings, and moderately long necks.
The tails of all but three species are rounded; the exceptions being Sabine's gull and swallow-tailed gulls. The gulls are now the most common Great Lakes water bird, with roughlynests in the region. They swarm landfills and pick bugs behind farmers' plows, nest. Things changed in with the publication of Klaus Malling Olsen's Gulls of Europe, Asia and North America (Christopher Helm), a plate-based title that made accurate identification of gulls a realistic possibility for the first time.
Gulls of the World: A Photographic Guide is a companion and successor to that seminal work. This book. Mew Gull is not threatened in any part of its range. The North American Waterbird Conservation Plan estimated a continental population ofbirds.
The species rates a 10 out of 20 on the Continental Concern Score. Mew Gull is not on the State. gulls, which often use these smaller reservoirs as loafing areas during daylight hours. Larger reservoirs in Massachusetts (e.g., Quabbin and Wachusett) are also affected however, since these water bodies (along with the Connecticut River) appear to be the primary night roost locations for gulls in the state.
The marbled teal and white-headed duck have decreased in number and now visit the wetlands infrequently. Among the waterfowl are (resident) gallinules, moorhens and rails, gulls, terns, water cock, grebes, cormorants, egrets, bitterns, and jakanas.
The spot-billed lesser whistling teal and the cotton teal are resident ducks. The waterbirds called gulls can be found nearly all around the world.
They are commonly heard screaming and seen swooping over the water at seacoasts and lakeshores. Gulls can fly, swim along the water surface, and walk well. Though the term ‘seagulls’ suggests that these birds live around sea or water bodies, gulls sometimes move away from the coast, nesting on the rooftops.
It is believed that this might be due to the availability of ample food in such areas, along with the less likelihood of attacks by predators. Wetlands are ecosystems in which water covers the land. They provide economical, ecological, societal and recreational benefits to humans.
Although complete documentation is lacking, wetlands make a significant part of Ethiopia covering an area of 13, km2. Wetlands with a great potential for ecotourism development in the country include the rift valley lakes, the floodplains in Gambella. "Gulls of the Americas" is packed with information, but this book isn't much fun.
I suspect only hard-core gull watchers will want to use this book. There is a very useful introductory section, and the authors encourage their readers to study the introduction before moving on to the rest of the book, but I suspect many readers will find their Reviews: Despite the economic importance of farmed shrimp, the global shrimp farming industry has been slow to adopt genetic improvement strategies that are prevalent in more mature meat-producing industries, such as the poultry and swine industries.
This has resulted in production inefficiencies and reduced profits for shrimp farmers. Gulls. Gulls are 43 species of seabirds, in the subfamily Larinae of the family Laridae, which also includes the occur in a wide range of coastal habitats, ranging from inland lakes, rivers, and wetlands, to marine shores and distribution is virtually world-wide, but most species occur in the Northern Hemisphere.
The nominate Lesser Black-backed Gull Larus fuscus fuscus, a gull with a tern-like feeding biology, and its recent decrease in northern Norway.
Karl-Birger Strann & Wim Vader Ardea 80 (1) - Effects of trawler discard availability on egg laying and breeding success in the lesser black-backed gull Larus fuscus in the western Mediterranean.Skuas and gulls have robust bodies while it is more slender in terns.
Feathers are dense and water resistant and enable these birds to float on the water easily. Although gulls are aggressive, big birds with short, strong beaks, they are not equipped for hunting any live prey.