420 resultados para Bristol Bay (Alaska)


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Conservation problems and programmes. The giant tortoises. The land iguanas. The Hawaiian petrels. The penguins, cormorants and gulls. The fire ants. The control of introduced mammals. Botany. Marine biology. Galapagos cave faunas. Rare twin births of giant tortoises. Visitors and events at the Charles Darwin Research Station (CDRS).

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Recent appointments in Washington office. El Niño volume available. Ira Wiggins dies. Nominations to the Royal Society. Index to Noticias de Galápagos. Dictionaries wanted - used or new. International workshops focus on Galápagos.

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This presentation describes how the Galveston Bay Bibliography and Galveston Bay Information Center projects transitioned from a paper world to electronic format. The mission of the Galveston Bay Information Center (GBIC) is to serve as a repository for information and a resource for research on Galveston Bay, its watershed, and the coastal region for all members of the Galveston Bay Community. GBIC was created in response to critical losses of data and information that were identified in the early stages of Galveston Bay National Estuary Program and includes a physical collection as well as a bibliography. With the loss of funding imminent, the administrators of GBIC recognized the need to preserve the collection and its digital bibliography in perpetuity. Enter Texas Digital Library. The University’s participation in TDL enabled GBIC to make the Galveston Bay Bibliography more robust and visible to the entire world.

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As the atmospheric levels of CO2 rise from human activity, the carbonic acid levels of the ocean increase, causing ocean acidification. This increase in acidity breaks down the calcified bodies that many marine organisms depend upon. Upwelling regions such as Monterey Bay in California have pH levels that are not expected to reach the open ocean for a few decades. This study reviews one of the common intertidal animals of the California coast, the Owl Limpet Lottia gigantea, and its genetic variation of the plasma membrane Ca2+ ATPase (PMCA) in relation to the acidity of its environment. The PMCA protein functions in the calcification process of many organisms. Specifically in limpets, this gene functions to form its protective shell. Single-nucleotide polymorphisms (SNPs) were found among five sections of the gene to determine variation between the acidic environment population in Monterey, California and the non-acidic environment population in Santa Barbara, California. While some variation was determined, the Monterey Bay and Santa Barbara Lottia gigantea populations are not significantly distinct at the PMCA gene. Sections B, C, and D were found to be linked. Only one location in Section B was found to have an amino acid change within an exon. Section A has the strongest connection to the sampling location. Monterey individuals were seen to be more genetically recognizable, while Santa Barbara individuals showed slightly more variation. Understanding the trends of ocean acidification, upwelling region activities, and population genetics will assist in determining how the ocean environment will behave in the future.

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Oil Spill in Galápagos. Derrame de Combustible en las Aguas de Galápagos. Beagle V: The Station's New Vessel. Children Conservationists. Niños Conservacionistas. Fruto del Empeño: Nuevo Edificio en San Cristóbal. New Building in Isla San Cristóbal. CDRS Director in Argentina. Van Straelen Gift. Change in Directorship at the CDRS. Cambio del Director en la Estación Científica. International Symposium/Workshop on the Herpetology of the Galápagos Islands: Research & Conservation.

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Proclamation of a Great Galapagos Marine Reserve. Recovery of the Marine Iguana Population After the El Niño Catastrophe. The Española Tortoises - a Very Special Case. A Botanical Workshop at the Darwin Station. The Campaign to Save the Hawaiian Petrel. Visitors to the Galapagos National Park. Re-opening of the Cristobal Bonifaz Building. Joint Operational Planning. Meeting of the Permanent Commission for the South Pacific. Galapagos Conservationists Receive WWF Award.

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Donacion Japonesa. Japanese Donation. Nuevo Gerente en la ECCD. New Manager for the CDRS. Un "Rose-breasted Grosbeak" en Galapagos. A Rose-breasted Grosbeak in Galapagos.

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Donation Made in Memory of Last Grandchild of Ecuador's First President. Deaths of CDF Board Members. Major Gift by Mrs. Louise Van Straelen-Poirier. Itasca to Galápagos. Station Research Vessel.

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Change in Directorship at the Charles Darwin Research Station. H.R.H. Prince Henri of Luxembourg Visits Galápagos. 25 More Years : Agreement Renewed Between the Ecuadorian Government and the Charles Darwin Foundation to Operate the Charles Darwin Research Station. A Dawn of Despair : Journey to Alcedo.

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Ecología de los Chivos Ferales (Capra hircus) en el Volcán Alcedo. Ecology of Feral Goats (Capra hircus) on Alcedo Volcano. Pepino War, 1992.

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One Hundred and Fifty Years Ago. The Great Fire on Isabela. Campaign for a CDF Endowment Fund. The Extraordinary Consequences of the Extraordinary El Niño. Eternal Vigilance.

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President Febres Cordero visits the Galapagos. Ordeal by fire and water. Unusual reports on the Galapagos albatross. Protecting the Hawaiian Petrel. Sealion gives birth to twins. CDF officers decorated by the Government of Ecuador. Staff changes. The question of re-introducing Galapagos hawks to certain islands - a clarification. Visits and events at the Charles Darwin Research Station.

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The 25th anniversary of the Galapagos National Park. Fire at the Darwin Research Station. The control of introduced mammals. Good news about the Hood tortoises. The endangered land iguanas. Penguins, cormorants and flamingos in 1984. A workshop on national parks. International conservation award to Secretary Ripley. Visits and events at the Charles Darwin Research Station.