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Aquatic Commons (28,306 recursos)
The Aquatic Commons is a thematic digital repository covering the natural marine, estuarine /brackish and fresh water environments . It includes all aspects of the science, technology, management and conservation of these environments, their organisms and resources, and the economic, sociological and legal aspects.

Subject = Conservation

Mostrando recursos 61 - 80 de 1,011

61. Corley Smith retires - Dorst, Jean

62. News from Academy Bay
Darwin Station Director's report. Release of captive-bred land iguanas. Land iguanas breed on Venecia. The age of the giant tortoise. Visitors and events at the Charles Darwin Research Station (January - April 1982). Photo of Masked Booby and Swallow-tailed Gull.

63. Some thoughts on the control of introduced plants - Tan Tuoc, Luong

64. Santa Fe in an El Nino year - Laurie, Andrew

65. Lonesome George, the Pinta Island Tortoise - Reynolds, Robert P.; Marlow, Ronald Williams

66. Galapagos evolution continues - Boag, Peter T.
Summary of symposium "Evolution in the Galapagos" held December 8, 1982 in London.

67. Book review: "Conservation and Evolution" - Smith, G. T. Corley

68. News from Academy Bay
Planning. A Galapagos marine park. The feral animals on Santiago Island. Can the Hawaiian Petrel be saved? Education and training programmes. Visitors and events at the Charles Darwin Station (May - October 1982).

69. Front pages with contents of No. 37, 1983
Contents.

70. Front pages with contents of No. 38, 1983
Contents.

71. Galapagos sea turtles - Green, Derek

72. Of men, goats and guava : problems caused by introduced species in the Galapagos - de Vries, Tjitte; Black, Juan

73. Stranding of Cuvier's beaked whales on Baltra - Robinson, Gary; Koster, Friedemann; Villa, Jose

74. Una alianza exitosa que debe mantenerse - Moscoso Alvarez, Raul

75. A successful alliance which should be maintained - Moscoso Alvarez, Raul

76. Marine iguanas suffer as EI Nino breaks all records - Laurie, Andrew

77. Twelve days among the "Vampire Finches" of Wolf Island - Koster, Friedemann; Koster, Heide

78. News from Academy Bay
Presidential visit. The extraordinary El nino year. The last of the Norwegians. Visits and events at the Darwin Research Station.

79. Back page of No. 63, 2005
Instructions for Authors. Back cover with map.

80. The cost of quinine Cinchona pubescens control on Santa Cruz Island, Galapagos - Buddenhagen, Chris; Yanez, Patricio
We analyse the cost of controlling the invasive quinine tree Cinchona pubescens Vahl in the highlands of Santa Cruz Island, Galapagos. Control costs in ten 400 m2 plots formed the basis for estimating the cost of control over the whole island. In the plots, densities were 2100–24,000 stems/ha (stems >150 cm tall) and 55,000–138,000 stems/ha (all size classes combined). Control involved uprooting small plants, and applying of a mix of metsulfuron methyl and picloram to cut stumps or to machete cuts in the bark of larger trees. These methods are presently used by Galapagos National Park field crews to control quinine. Costs...

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