Geometry.Net - the online learning center
Home  - Science - Biogeography
e99.com Bookstore
  
Images 
Newsgroups
Page 5     81-100 of 123    Back | 1  | 2  | 3  | 4  | 5  | 6  | 7  | Next 20
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  

         Biogeography:     more books (99)
  1. Cladistic Biogeography: Interpreting Patterns of Plant and Animal Distributions (Oxford Biogeography Series) by Christopher J. Humphries, Lynne R. Parenti, 1999-07-08
  2. African Biogeography, Climate Change, and Human Evolution (The Human Evolution Series)
  3. Birds of the Salton Sea: Status, Biogeography, and Ecology by Michael A. Patten, Guy McCaskie, et all 2003-08-19
  4. Galápagos Marine Invertebrates: Taxonomy, Biogeography, and Evolution in Darwin's Islands (Topics in Geobiology)
  5. Analytical Biogeography: An integrated approach to the study of animal and plant distributions
  6. Gender in Modern Britain (Oxford Biogeography Series) by Nickie Charles, 2002-05-23
  7. Biogeography by R. L. Jones, 1980-06
  8. The Biogeography of Cape Range, Western Australia: Being the proceedings of a symposium held under the auspices of the Western Australian Museum in Perth ... (Records of the Western Australian Museum)
  9. Review of the Anatomy, Taxonomy, Phylogeny and Biogeography of the African Neoboline Cyprinid Fishes (Zoology Bulletins) by G.J. Howes, 1984-08
  10. Historical Biogeography: Plate Tectonics and the Changing Environment by Donna M. Gray, 1980-02
  11. Biogeography and Ecology of Southern Africa (Monographiae Biologicae)
  12. Biogeography and Ecology in the Canary Islands (Monographiae Biologicae)
  13. Savanna Ecology and Management: Australian Perspectives and Intercontinental Comparisons (Journal of Biogeography)
  14. Biogeography and Ecology in Madagascar (Monographiae Biologicae)

81. Bird Biogeography
BIO 554/754 Ornithology Bird biogeography, Bird biogeography II. Literature cited. Avise, JC 2000. Phylogeography the history and formation of species.
http://www.biology.eku.edu/RITCHISO/birdbiogeography.html
BIO 554/754
Ornithology
Bird Biogeography
The Class Aves
includes two superorders:
  • the Palaeognathae the Neognathae , which includes all other living birds.
Currently, taxonomists recognize 29 orders, 187 families, 2029 genera, and over 9600 species of birds see Birds of the World ). These 9600+ species occupy all continents and habitats but, of course, some continents belonging to various lineages have been found in Cretaceous deposits of Asia, Europe, and North and South America. Prominent and well-known Cretaceous bird taxa included the Enantiornithes , a fairly diverse group of birds, mostly flying forms; Hesperornithiformes, toothed birds (see diagram below) which were mostly flightless swimmers; and Ichthyornithiformes toothed flying birds that probably fed on fish. These taxa are extinct today, but by the close of the Cretaceous, representatives of several modern bird taxa were sharing the skies with these extinct birds. A birdwatcher 65 million years ago could have seen relatives of today's loons, geese and ducks, albatrosses and petrels, and gulls and shorebirds, and possibly other familiar birds as well.
Loon-like toothed bird Hesperornis regalis swims through the Cretaceous sea.

82. Biogeography And Ecology Of Sickle Cell Anemia
Biology 296A. Page III. biogeography and Ecology of Sickle Cell Anemia. A. The Unique Geographic Distribution Pattern of SickleCell Anemia.
http://www.nslc.wustl.edu/courses/Bio296A/allen/sicklecell/part3/biogeography.ht
Biology 296A Page III
Biogeography and Ecology of Sickle Cell Anemia
A. The Unique Geographic Distribution Pattern of Sickle-Cell Anemia
(a) Adult Africans are healthier than those living in urban America and thus do not show the effects of the disease as readily; (b) Infant mortality, especially for Hb S Hb S children, is much higher in Africa than in the U.S., so that homozygous recessive children never reach adulthood (c) By chance fewer homozygous recessive individuals are conceived in Africa than in the United States.
In-Text Question 6 : Which of these options do you think might explain the discrepancy? Tutorial Answer In certain parts of Africa today, the frequency of the mutant gene for sickle-cell (Hb S ) is very high (5-20%) as shown in the distribution map below:
B. The Malarial Connection
In 1946 E.A. Beet, an MD in Northern Rhodesia noted that of a population of patients in his hospital, 15.3% of those who had normal blood had malaria, while only 9.8% of those with sickle cell (trait or disease) had the disease. Anthony C. Allison, a British medical doctor who had also taken a degree in biochemistry and genetics at Oxford shortly after World War II, studied the African situation closely in the early 1950s and published an important paper in 1954 outlining his hypothesis for why the African frequencies of the Hb

83. Evolution: Library: Biogeography: Polar Bears And Penguins
close window. biogeography Polar Bears and Penguins. ©.
http://www.pbs.org/wgbh/evolution/library/04/1/image_pop/l_041_01.html
close window Biogeography: Polar Bears and Penguins

84. Evolution: Library: Biogeography: Polar Bears And Penguins
biogeography Polar Bears and Penguins. Polar bears live in the Arctic, but not the Antarctic. Backgrounder. biogeography Polar Bears and Penguins
http://www.pbs.org/wgbh/evolution/library/04/1/l_041_01.html
Biogeography: Polar Bears and Penguins
Polar bears live in the Arctic, but not the Antarctic. For penguins, the picture is reversed. The pattern of organisms around the globe the absence of some species from environments that would suit them, and closer relationships between species that are geographically near each other than between species that inhabit similar environments is persuasive evidence of the evolutionary origin of biodiversity Credits: Courtesy of Animation Factory and STARLab Very Low Frequency Research Group Click for larger image Resource Type: Image Format: Graphic
Topics Covered:
Evidence for Evolution Backgrounder Biogeography: Polar Bears and Penguins: Darwin Wallace and the other 19th century naturalists who traveled widely were fascinated by the distribution of animals and plants in their habitats around the world. Why do the Galapagos Islands of South America and the Cape Verde Islands off Africa have strikingly different fauna and flora, despite having similar environments? Why does the Arctic have polar bears and Antarctica penguins?
These patterns impressed Darwin deeply. To him, they argued that species arose in single centers by descent with modification from existing species, and that their geographic range was limited by their ability to migrate to other suitable environments.

85. Landscape Ecology And Ecological Biogeography
Landscape ecology and ecological biogeography (For an outline, click here) Fire Succession in Inland Western Australia The importance
http://uts.cc.utexas.edu/~varanus/biogeog.html
Landscape ecology and ecological biogeography (For an outline, click here
Fire Succession in Inland Western Australia
The importance of spatial scale has been neglected in traditional ecology, although not in the emerging field of landscape ecology. While the implications of the landscape on ecology have long been appreciated, only recently have quantitative methods of study been exploited. In the past, ecologists, including myself, have focused on local-level processes. Larger scale regional factors also control local phenomena. Local species richness may often be a consequence of regional processes. Relatively little empirical attention has been given to the interaction between these two levels. Unfortunately, few complete closed regions remain unfragmented by human activities in which regional and local phenomena can still be studied simultaneously. I am undertaking such a study in the uninhabited Great Victoria desert of Western Australia, an area with an extremely high diversity of lizards.
Landsat MSS false color image of part of the Great Victoria desert. Blue and white areas are dry lake beds (Lake Throssel and Lake Rason). Note the numerous fire scars (lighter biege patches), their tongues and spatial complexity. Fires frequently reticulate, leaving behind isolated patches of unburned habitats (darker brown patches embedded within fire scars) which act as refuges. Scene is approximately 100 km by 150 km.

86. Biogeography Of Large Lakes
biogeography and large lakes more coming soon. In the links Some Aspects of the biogeography of Islands in Large Lakes. Robert
http://rjl.us/lslbi/biogeo.htm
Biogeography and large lakes: more coming soon. In the meantime: an old presentation abstract and a few links...
Some Aspects of the Biogeography of Islands in Large Lakes.
Robert J. Liebermann, Department of Geography, Western Michigan University, Kalamazoo, MI 49008.

read at
West Lakes/East Lakes Association of American Geographers Meeting, October 24, 1996, Valparaiso University, Valparaiso, Indiana
The majority of island biogeography studies deal with oceanic islands. An interesting variety of islands that have been given less attention, however, are those in large inland lakes. Observations during my field research as well as previous studies show some excellent examples of the unique traits of large lake island biogeography. Particularly intriguing are the islands of large lakes of temperate areas, such as the Great Lakes of North America or Russia's Lake Baikal, where interactions of atmosphere over land and water are most influential on localized climate and, therefore, biology. Here changing air temperatures are moderated by the thermal lag and physical properties of water to produce a limnoclimate which is neither fully continental nor oceanic. The resulting climatic parameters on such islands frequently mimic those of other regions, such as those further north, south, or in different precipitation areas, and it is limnoclimatic conditions that are among the most deterministic elements of lake island biogeography. Other principles involved in large lake island biogeography are also discrete from those of oceanic islands, such as the biogeographical significance of having a mainland much closer-often connected by ice during winter-than those of oceans. In addition, lake islands share some "typical" characteristics with those of oceanic islands, such as fewer taxa per area, higher rates of endimism, and unique balances of ecology related to isolation and limited genetic diversity.

87. OUP: Cladistic Biogeography (2/e): Humphries
Cladistic biogeography Second Edition. Christopher J. Humphries The first edition of Cladistic biogeography was published in 1986. It was a
http://www.oup.co.uk/isbn/0-19-854818-4
VIEW BASKET Quick Links About OUP Career Opportunities Contacts Need help? oup.com Search the Catalogue Site Index American National Biography Booksellers' Information Service Children's Fiction and Poetry Children's Reference Dictionaries Dictionary of National Biography Digital Reference English Language Teaching Higher Education Textbooks Humanities International Education Unit Journals Law Medicine Music Oxford English Dictionary Reference Rights and Permissions Science School Books Social Sciences World's Classics UK and Europe Book Catalogue Help with online ordering How to order Postage Returns policy ... Table of contents
Cladistic Biogeography Second Edition
Christopher J. Humphries , Department of Botany, Natural History Museum, and Lynne R. Parenti , Curator of Fishes, National Museum of Natural History, Smithsonian Institution, Washington DC
Publication date: 15 April 1999
199 pages, 2 halftones, 82 line figures, 234mm x 156mm
Series: Oxford Biogeography Series
Search for titles in the same series

Ordering Individual customers may:
order by phone, post, or fax

88. IGU LOGO
Welcome to the home page of the biogeography Study Group of the International Geographical Union (IGUBSG). Finding topics in the IGU-BSG www site is easy.
http://www.geog.le.ac.uk/igu/
Welcome to the home page of the Biogeography Study Group of the International Geographical Union (IGU-BSG). Finding topics in the IGU-BSG www site is easy.
  • Click on the square in the quadrat below to lead you to that topic. To get back to the quadrat on this page from any other topic, click on the flower icon. To move between topics or pages, simply click on the words that are highlighted or accompanying icons where they exist.
Our aim is to become the most comprehensive biogeographical web site in the world (what's the point in setting mediocre targets!). If there are any www links you would like to see, or topics you would like the group to cover, send an e-mail to acm4@le.ac.uk NAVIGATION QUADRAT
This web site is maintained by Andrew Millington and Wayne Kelly . The IGU-BSG gratefully acknowledges the help of the Geography Department, University of Leicester for providing a home for this site!

    Last updated 01/1998 Wayne Kelly, Geography Department, University of Leicester, U.K. e-mail: wak2@le.ac.uk Tel: +44 (0)116 252 3844 Fax: +44 (0)116 252 3854

89. Biogeography And Pedology : CTI Centre For Geography, Geology And Meteorology
biogeography and Soil Science. RGSIBG biogeography Research Group Newsletter; Royal Botanical Gardens Kew Scientific Research Programme;
http://www.geog.le.ac.uk/cti/ped.html
Biogeography and Soil Science
National Organisations and Agencies
Research Centres and Projects
Data/Information Libraries
Data Libraries

90. MacArthur, R.H. And Wilson, E.O.: The Theory Of Island Biogeography.
of the book The Theory of Island biogeography by MacArthur, RH and Wilson, EO, published by Princeton University Press.......
http://pup.princeton.edu/titles/7051.html
PRINCETON
University Press SEARCH:
Keywords Author Title More Options Power Search
Search Hints

E-MAIL NOTICES
NEW IN PRINT E-BOOKS ... HOME PAGE With a new preface by Edward O. Wilson
The Theory of Island Biogeography
Robert H. MacArthur and Edward O. Wilson
Shopping Cart
Reviews Table of Contents Biogeography was stuck in a "natural history phase" dominated by the collection of data, the young Princeton biologists Robert H. MacArthur and Edward O. Wilson argued in 1967. In this book, the authors developed a general theory to explain the facts of island biogeography. The theory builds on the first principles of population ecology and genetics to explain how distance and area combine to regulate the balance between immigration and extinction in island populations. The authors then test the theory against data. The Theory of Island Biogeography was never intended as the last word on the subject. Instead, MacArthur and Wilson sought to stimulate new forms of theoretical and empirical studies, which will lead in turn to a stronger general theory. Even a third of a century since its publication, the book continues to serve that purpose well. From popular books like David Quammen's Song of the Dodo to arguments in the professional literature

91. Hubbell, S.P.: The Unified Neutral Theory Of Biodiversity And Biogeography.
of the book The Unified Neutral Theory of Biodiversity and biogeography by Hubbell, SP, published by Princeton University Press.......
http://pup.princeton.edu/titles/7105.html
PRINCETON
University Press SEARCH:
Keywords Author Title More Options Power Search
Search Hints

E-MAIL NOTICES
NEW IN PRINT E-BOOKS ... HOME PAGE
The Unified Neutral Theory of Biodiversity and Biogeography
Stephen P. Hubbell
Shopping Cart
Reviews Table of Contents
Chapter 1 [HTML] or [PDF format] Despite its supreme importance and the threat of its global crash, biodiversity remains poorly understood both empirically and theoretically. This ambitious book presents a new, general neutral theory to explain the origin, maintenance, and loss of biodiversity in a biogeographic context. Until now biogeography (the study of the geographic distribution of species) and biodiversity (the study of species richness and relative species abundance) have had largely disjunct intellectual histories. In this book, Stephen Hubbell develops a formal mathematical theory that unifies these two fields. When a speciation process is incorporated into Robert H. MacArthur and Edward O. Wilson's now classical theory of island biogeography, the generalized theory predicts the existence of a universal, dimensionless biodiversity number. In the theory, this fundamental biodiversity number, together with the migration or dispersal rate, completely determines the steady-state distribution of species richness and relative species abundance on local to large geographic spatial scales and short-term to evolutionary time scales. Although neutral, Hubbell's theory is nevertheless able to generate many nonobvious, testable, and remarkably accurate quantitative predictions about biodiversity and biogeography. In many ways Hubbell's theory is the ecological analog to the neutral theory of genetic drift in genetics. The unified neutral theory of biogeography and biodiversity should stimulate research in new theoretical and empirical directions by ecologists, evolutionary biologists, and biogeographers.

92. ChEss, Biogeography Of Hydrothermal Vents And Cold Seeps For The Census Of Marin
Research programme aiming to determine the biogeography of hydrothermal vent and cold seep species at a global scale. The biogeography
http://www.soc.soton.ac.uk/chess/
The Biogeography of Chemosynthetic Ecosytems (ChEss) project is one of the initial field projects of the Census of Marine (CoML). ChEss is a global study of the distribution, diversity and abudance of species from deep-water chemosynthetic systems. Directed from the Southampton Oceanography Centre in the United Kingdom, ChEss aims to improve our knowledge of the biogeography of chemosynthetic ecosystems and the processes driving them.

93. Biogeography
biogeography. biogeography is the science which aims at documenting and understanding spatial patterns of biodiversity. It can be
http://www.fact-index.com/b/bi/biogeography.html
Main Page See live article Alphabetical index
Biogeography
Biogeography is the science which aims at documenting and understanding spatial patterns of biodiversity It can be defined as the study of distribution and pattern of variation in numbers and kinds of living organisms.
Biogeography is a synthetic science, related to geography biology geology climatology , and ecology . It is usually not an experimental science, as the spatial and temporal scales makes experiments difficult, but rather a science of observation. Some fundamentals in biogeography are
  • evolution (change in genetic composition of a population) extinction (disappearance of a species) dispersal (movement of populations away from their point of origin)
See also

This article is from Wikipedia . All text is available under the terms of the GNU Free Documentation License

94. Biogeography
biogeography BIO 490/690. Fall 2002 course information and syllabus (Note syllabus slightly revised and updated 12 November); Course
http://www.unlv.edu/faculty/riddle/biogeography.html
Biogeography
BIO 490/690

95. Natural Selection: Subject Gateway To The Natural World
Link to Resource Discovery Network. BioethicsWeb MedHist pscicom. SEARCH BROWSE ABOUT WHAT S NEW SUBMIT SITE TRAINING SITE MAP, Top = biogeography.
http://128.243.210.189/browse/R578.html
low graphics
Top
Biogeography Biogeography ...
South America

Last modified: 20 May 2004

96. Biogeography Of Deep-Water Chemosynthetic Ecosystems (ChEss): Census Of Marine L
A global study of the biogeography of deepwater chemosynthetic ecosystems and the processes that drive them. Project Leaders Dr
http://www.coml.org/descrip/chess.htm
@import "../2.css"; Project Descriptions A global study of the biogeography of deep-water chemosynthetic ecosystems and the processes that drive them. Project Leaders: Dr. Paul Tyler, Southampton Oceanography Centre, Southampton, United Kingdom
Dr. Chris German, Southampton Oceanography Centre, Southampton, United Kingdom Visit the ChEss Web Site Southampton Oceanography Centre, UK
Eva Ramirez-Llodra, Paul A. Tyler and Christopher R. German
Background
The Biogeography of Deep-Water Chemosynthetic Ecosystems (ChEss) is one of the six initial field projects of the Census of Marine Life (CoML). ChEss is a global study of the biogeography and biodiversity of deep-water chemosynthetic ecosystems and the processes that drive them. Directed from the Southampton Oceanography Centre (SOC) in the United Kingdom, ChEss aims to improve our knowledge of the diversity, abundance and distribution of species form chemosynthetically-driven ecosystems. The interest in large chemosynthetic environments was strengthened by the discovery of chemosynthetic-based fauna at cold seeps along the base of the Florida Escarpment in 1983. Cold seeps are areas where methane seeps through sediments in the ocean floor. Sulfide is also an important element of some cold seeps, produced by sulphate reduction in the sediments. Both methane and sulfide play a critical role in the maintenance of the highly productive cold seep communities. Cold seeps occur along active and passive continental margins.

97. Biogeography Listings
biogeography Listings. ADDRESSES (Current as of 9/19/03) Audience middle school and up. ONLINE VEGETATION MAPSbiogeography maps from around the world.
http://personal.cmich.edu/~franc1m/biogeog.htm
Biogeography Listings
ADDRESSES (Current as of 9/19/03): Vegetation Maps
  • CLICKABLE MAP OF TREE SPECIES BY STATE: from Virginia Tech the site has an exhaustive archive of over 450 U.S. tree species with color pictures and descriptions of leaves, flowers, twigs, bark, form, and seeds. There is even a Java audio file for hearing the pronunciation of a tree’s scientific name. At the site’s ... : Middle school to early college.
  • Plant Databases
  • NATURE SERVE :an authoritative, frequently updated site on 50,000 U.S. and Canadian endangered and threatened species, plus ecological communities. Distribution information and maps, conservation status, and life histories are available. ... others about plants.
  • Exotic Species
  • NONINDIGENOUS AQUATIC SPECIES from the USGS is a fine repository for spatially referenced accounts of U.S. nonindigenous aquatic species. The site provides reports, spatial data sets, and regional contact lists and a comprehensive set of links. One can also find out about nonindigenous ... WILD:from
  • Wetlands
  • HYDRIC SOIL LISTING BY STATE: a list of hydric soils for all states from the NRCS.
  • 98. Bio4505 - Biogeography & Systematics
    Biology 4505 Principles of biogeography Systematics Dr. Steven M. Carr Department of Biology Memorial University of Newfoundland St.
    http://www.mun.ca/biology/scarr/Bio4505.htm
    Dr. Steven M. Carr
    Department of Biology
    Memorial University of Newfoundland
    St. John's NF A1B 3X9, Canada
    scarr@mun.ca
    Office: Sn-3021 Phone 737-4776
    Office hours by appointment
    Announcing
    the arrival of Mr. Jasper Thaddeus Rendell Edinger
    born 03:45, Saturday, November 2nd, 2002
    weight 3.025 kg (6 lb 10 oz), length 48.5 cm
    Bio4505 Final Exam : Friday, December 13th. 0900-1100 in regular classroom
    Lab Handouts
    for 22 Nov 2002 Phenetic Analysis of Carnivores Table of critical values for r 29 Nov 2002 Molecular Systematics of Carnivores I nstructions for Lab Writeups Handouts are in PDF format: click here to download the free Acrobat reader Background material on Carnivora: Carnivore Systematics Evolution of Carnivora by Evolution of Felid Teeth by Click on the following for: The Course Schedule Suggestions for using the Webpage Sample questions from the Final Exam Information on Research in Dr. Carr's lab A taxonomic resource from the UC Berkeley Museum of Paleontology Course notes for Basics of Webpage Construction Hitch-Hikers Guide to Life (under construction) Click here to e-mail me with questions, comments, or suggestions

    99. Biogeography
    biogeography The Geographic Distribution Of Species. Darwin thought up isolate birds. Fossil biogeography reinforces this point. For
    http://www.don-lindsay-archive.org/creation/biogeography.html
    Biogeography: The Geographic Distribution Of Species
    Darwin thought up his Theory Of Common Descent because he had found biogeographic evidence. He thought that that evidence was much stronger than the fossil evidence. Scientists still think so. Basically, some species have suspicious resemblances to supposedly different species that just happen to live nearby. Often, it would be better design for them to instead resemble some further-away species. And, this is the norm. There are a huge number of good examples. The trees on the remote island of St. Helena are unlike the trees anywhere else on earth. Sunflowers are the closest relative to the strange gumwood tree and to the various cabbage-trees. And, the most closely related sunflower is the local sunflower. The scientific explanation is that this volcanic island was originally formed far away from any continent, and therefore started out with no land plants. Eventually, some sunflower seeds managed to get there. Since no one else was filling the role of "tree", the largest plants on the island - some of the sunflowers - took the job. Transformed by time and competition and by the demands of their role, they now look like trees. Every other remote island has its own examples. In the Galapagos, the role of woodpecker is taken by a finch. Or rather, it's mostly a finch, but it has a beak specialized for the woodpecker role. Apparently, the only land bird which got to the Galapagos was a finch, so all the land birds there are modified finches. (DNA studies prove the relationship.)

    100. Ecology Biogeography
    Biology. Most comprehensive resource on Biology Ecology biogeography. Show biology (Biology Ecology biogeography) content on 5. Nearctica biogeography .
    http://biology.designerz.com/biology-ecology-biogeography.php
    Map.Designerz.com Science.Designerz.com Biology News Biology Chat ... Domain Names Sale - Save up to 75%
    document.write(' '); Home Ecology
    Biology
    Cell Biology ...
    Philosophy of Biology
    Channels Visited Clear Featured Links Web Hosting Sign up for our mailing list Biology

    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  

    Page 5     81-100 of 123    Back | 1  | 2  | 3  | 4  | 5  | 6  | 7  | Next 20

    free hit counter