scholarly journals Ecosystems by N. Finton

2016 ◽  
Vol 6 (2) ◽  
Author(s):  
Jackson BCR
Keyword(s):  
North America ◽  
Food Web ◽  
Nuclear Physics ◽  
Prairie Dogs ◽  
National Geographic Society ◽  
National Geographic ◽  
The North ◽  
Pronghorn Antelope ◽  
The World ◽  
Near Extinction

Finton, Nancy. Ecosystems. Washington, D.C: National Geographic, 2004. Print.Life science Eco-system by Nancy Finton and published by the National Geographic Society. The book is about the ecosystem and some interesting facts about animals and the North American landscape and ecosystem. This book also tells facts and the near extinction of the black footed ferret one of the rarest creatures in North America. This book is also about how the ecosystem and the food web works and these fun facts are awesome and I like science.I love the facts and pictures in this book because they are scientifically factual. I also love the meaning and facts of this book and it’s about the ecosystem and food web also animals that live in the great prairies of North America like the Pronghorn antelope which eats sage and the nearly extinct black footed ferret which feeds on prairie dogs. About 271 black footed ferrets have been raised since 1987 to 2001 and 202 black footed ferrets have been released since 1987 to 2001 what a beautiful job people did.I have no complaints about this book except there is little information about the ecosystem and I hope the author Nancy Finton adds more information and detail to this book. Not a lot of information about the different ecosystems and habitats from different countries around the world and there is way too much about prairie dogs like really I want to know lots but too much information about prairie dogs![Highly Recommended: 4 out of 5 stars]Reviewer: JacksonHello my name is Jackson and I like books about science and Nuclear physics and I think reading is important because we and our children will need knowledge and know everything we need to know so our lives can be easier in the future.

Notes on Power Operated Controls for Large Aircraft

1945 ◽  
Vol 49 (410) ◽  
pp. 51-54
Author(s):  
A. Gouge
Keyword(s):  
North America ◽  
North Atlantic ◽  
The North ◽  
The World ◽  
The North Atlantic ◽  
Large Aircraft

A Study of the air routes of the world brings out almost at once the fact that some of the most difficult route are also the most attractive. For instance, the North Atlantic route which couples North America with Europe is certainly one of the most difficult in the world, but also by the fact that it couples two of the most densely populated, as well as the most wealthy groups of people in the world, one of the most attractive.

The Natural Groups of Species in the Genus Ips De Geer (Coleoptera: Scolytidae) in North America

1963 ◽  
Vol 95 (5) ◽  
pp. 508-516 ◽  
Author(s):  
G. R. Hopping
Keyword(s):  
North America ◽  
North American ◽  
Related Species ◽  
North American Species ◽  
Closely Related Species ◽  
The North ◽  
The World ◽  
Group Relationships ◽  
Natural Groups

AbstractThe genus Ips is one of four closely related genera in the tribe Ipini, sub-tribe Ipina (De Geer 1775, Balachowsky 1949, Nunberg 1954, Hopping 1963). There are now 32 species of Ips recognized in North America, with a few more as yet undescribed. This paper defines the groups of closely related species with observations on the group relationships of species from other parts of the world. Work is in progress to define the North American species in each group.

Recent development of Arctic air routes

Polar Record ◽  
1962 ◽  
Vol 11 (72) ◽  
pp. 261-264
Author(s):  
John Grierson
Keyword(s):  
North America ◽  
Long Range ◽  
North Pole ◽  
The Real ◽  
The North ◽  
The World ◽  
North Polar ◽  
The One ◽  
Over The Top

Since Andrée's magnificent failure to fly to the North Pole in a balloon in 1897, two great epochs have been marked in polar aviation. The first was the epoch of adventure, lasting nearly 60 years, which attracted to its ranks such men as Roald Amundsen, Lincoln Ellsworth, Umberto Nobile, Richard Byrd, Charles Lindbergh, Gino Watkins and the real father of Arctic aviation, Hubert Wilkins. Many others added their quota of experience until enough was known, and the technique of long-range polar flying had developed sufficiently far, for a regular air line to start operations across the North Polar Basin. That was on 15 November 1954 when Scandinavian Airways System (SAS) opened the first air route over the top of the world, from Europe to North America. This heralded the second epoch—the one of consolidation, and the purpose of this article is to describe very briefly the course of developments during these last seven and a half years.

Joint Canada-U.S. Survey in the Mount Kennedy Region

ARCTIC ◽  
1965 ◽  
Vol 18 (2) ◽  
pp. 70
Author(s):  
Canada. Surveys and Mapping Branch
Keyword(s):  
Large Scale ◽  
Field Measurements ◽  
The United States ◽  
Geodetic Survey ◽  
Yukon Territory ◽  
Mountain Range ◽  
National Geographic Society ◽  
National Geographic ◽  
The North ◽  
Alaskan Coast

In 1935 a National Geographic Society glaciological expedition working in the St. Elias mountain range near the Alaska-Yukon Territory boundary described an unnamed mountain in the area as "magnificent, a granite peak sheathed in snow and ice on the south and west sides, and on the north and east sides has fantastic rock cliffs." Thirty years later this same peak was officially named Mount Kennedy in honour of the late President John F. Kennedy. A surge of activity in the area followed immediately. Senator Robert Kennedy climbed the mountain, an expedition sponsored by the National Geographic Society is engaged in producing a large scale map of the mountain and its environs, and a joint U.S.-Canadian party has just completed a survey through the area which will determine the precise geographic position of the mountain's summit and its elevation. The survey party was composed of six men from the United States Coast and Geodetic Survey and two men from the Surveys and Mapping Branch of the Canadian Department of Mines and Technical Surveys. The main purpose of the work was to connect existing surveys along the Alaska Highway with similar surveys along the Alaskan coast. The work will strengthen the control surveys throughout the area and provide new control points for mapping. The decision to include Mount Kennedy in the survey, while adding a touch of glamour to the operation, greatly increased the difficulties. The survey itself consists of five main stations, connected by traverse, with auxiliary points established at alternate stations to provide additional checks on field measurements. The lengths of the four traverse courses varied from eight to thirty-nine miles; the distances were measured by electronic distance measuring equipment, and the angles were measured with precise theodolites using signal lights and heliotropes for targets. ...

scholarly journals The contradictions of regionalism in North America

2009 ◽  
Vol 35 (S1) ◽  
pp. 147-167 ◽  
Author(s):  
ANN CAPLING ◽  
KIM RICHARD NOSSAL
Keyword(s):  
North America ◽  
Free Trade ◽  
Free Trade Agreement ◽  
Free Trade Agreements ◽  
Trade Agreement ◽  
Trade Agreements ◽  
The United States ◽  
Economic Implications ◽  
The North ◽  
The World

AbstractStudents of regionalism almost reflexively include North America in their lists of regions in contemporary global politics. Inevitably students of regionalism point to the integrative agreements between the countries of North America: the two free trade agreements that transformed the continental economy beginning in the late 1980s – the Canada–US Free Trade Agreement that came into force on 1 January 1989, and the North American Free Trade Agreement (NAFTA) between the United States, Mexico, and Canada, that came into force on 1 January 1994 – and the Secutity and Prosperity Partnership of North America (SPP), launched in March 2005. These agreements, it is implied, are just like the integrative agreements that forge the bonds of regionalism elsewhere in the world. We argue that this is a profound misreading, not only of the two free trade agreements of the late 1980s and early 1990s and the SPP mechanism of 2005, but also of the political and economic implications of those agreements. While these integrative agreements have created considerable regionalisation in North America, there has been little of the regionalism evident in other parts of the world. We examine the contradictions of North America integration in order to explain why North Americans have been so open to regionalisation but so resistant to regionalism.

scholarly journals THE NORTH AMERICAN SPECIES OF NEMISTRINIDÆ

1883 ◽  
Vol 15 (4) ◽  
pp. 69-72 ◽  
Author(s):  
S. W. Williston
Keyword(s):  
North America ◽  
South America ◽  
North American ◽  
North American Species ◽  
Southern Europe ◽  
The North ◽  
The Family ◽  
The World ◽  
General Appearance

The family of Nemistrinidæ comprises throughout the world one hundred and ten described species, six or seven of which are from Southern Europe and three from North America; the remainder nearly equally distributed in Asia, Africa, Australia and South America. In their habits, so far as known, the species approach the Bombylidæ most closely, as also do many in their general appearance. Structurally they are of interest to the Dipterologist, on account of their intricate and diverse neuration, which in some species is almost Neuropter-like in the reticulation.Doubtless the number of our species will be augmented by future discoveries, but yet we can never expect a very material increase.

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