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Digital Repository for Área de Conservación Guanacaste, a World Heritage Place.

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  • COSTA RICAN PARKS A RESEARCHER'S VIEW 
    Janzen, Daniel H. (1984)
    A park whose flora and fauna are unkno ..... n and uncataloged can be compared to an excellent li brary whose books have no titles. no authors, and no call numbers. This is one of the primary reasons why Winnie HaJ1wachs. ...
  • COSTA RICAN PARKS: A RESEARCHER'S VIEW 
    Janzen, Daniel H. (1984)
    A park whose flora and fauna are unkno ..... n and uncataloged can be compared to an excellent li brary whose books have no titles. no authors, and no call numbers. This is one of the primary reasons why Winnie HaJ1wachs. ...
  • Costa Rica’s Area de Conservacion Guanacaste: a long march to survival through nondamaging biodiversity and ecosystem development. 
    Janzen, Daniel H. (In Norway/UN conference on the Ecosystem Approach for sustainable use of Biological Diversity, 2000-05)
    Daniel Janzen has researched as biologist, ecologist, and conservationist in the forests of Costa Rica. In September 1999 he gave the following paper at The Norway/UN Conference on the Ecosystem Approach for Sustainable ...
  • Costa Rica’s Marine Protected Areas: status and perspectives 
    Alvarado, Juan José; Cortés, Jorge; Esquivel, María Fernanda; Salas, Eva (Revista de Biolog a Tropical, 2012-03)
    With 51 100km2 of terrestrial area and 589 000km2 of national waters, Costa Rica is considered one of the countries with the greatest biodiversity. It has approximately 3.5% of the world marine species. In the last four ...
  • CRC Handbook of Flowering - Volume II 
    Halevy, Abraham H.; Janzen, Daniel H. (1985)
    Of the seven grass (Gramineae, Poaceae) subfamilies, bamboo (Bambusoideae) is the most distinctive. 6 Members of this subfamily range from small herbaceous, perennial, tropical humid forest broad-leaved grasses (e.g., ...
  • Crecimiento inmobiliario y desastres ambientales 
    Argüello, Manuel; Arroyo, Luis Nelson; Sánchez, Adriana; Porras, Marta; Mora, Olman; Rodríguez, Cindy; Guido, Ismael; Carrillo, Eduardo; Alfaro, Luis Diego; Amit, Ronit (2007-10)
    Deslizamientos de tierra e inundaciones ha habido desde hace millones de años. Lo novedoso es su mayor frecuencia y su recrudecimiento actuales. Últimamente, un aumento de la intensidad y la amplitud de ciertos eventos ...
  • Critical condition of the jaguar Panthera onca population in Corcovado National Park, Costa Rica 
    Salom-Pérez, Roberto; Carrillo, Eduardo; Sáenz, Joel C.; Mora, José M. (2007-01)
    The jaguar Panthera onca is threatened throughout its range and categorized as Near Threatened on the IUCN Red List. To inform conservation of the jaguar population in Corcovado National Park, Costa Rica, population ...
  • CRONOGRAMA 1 SEMESTRE 2018 
    Programa de, Educación Biológica (2018-02-01)
    Se muestran las fechas de visitas de las escuelas y sus respectivos grupos y la asignación de educadores PEB que harán la clase.
  • Cronología de la regeneración del bosque tropical seco en Santa Rosa, Guanacaste, Costa Rica. II. La vegetación en relación con el suelo 
    Leiva, Jorge A.; Rocha, Oscar J.; Mata, Rafael; Gutiérrez-Soto, Marco V. (2009-09)
    Tropical dry forest (TDF) succession was monitored in Santa Rosa, Costa Rica. We analyzed the effect of soil type on forest structure and diversity. Eight seasonally-dry TDF sites located along a successional chrono-sequence ...
  • Cryptic diversity and ranavirus infection of a critically endangered Neotropical frog before and after population collapse 
    Puschendorf, R.; Wallace, M.; Chavarría, M. M.; Crawford, A. J.; Wynne, F.; Knight, M.; Janzen, Daniel H.; Hallwachs, Winnie; Palmer, C. V.; Price, S. J. (2019-02-22)
    Mesoamerican amphibian declines in apparently pristine and protected habitats have been severe, especially at elevations above 500 m sea level and have been linked to emerging diseases and a changing climate. The Craugastor ...
  • Cuando la conservación no puede seguir el ritmo del desarrollo: Estado de salud de los ecosistemas coralinos del Pacífico Norte de Costa Rica 
    Alvarado, Juan José; Beita-Jiménez, Andrés; Mena, Sebastián; Fernández-García, Cindy; Cortés, Jorge; Sánchez-Noguera, Celeste; Jiménez, Carlos; Guzmán-Mora, Ana Gloria (2018-02-08)
    When conservation can keep up with development´s pace: Health status of coral ecosystems in the North Pacific of Costa Rica. Coral reefs are diverse and productive ecosystems, despite this, they are being threatened by ...
  • CYANOGENESIS IN ACACIA FARNESIANA 
    Seigler, David S.; Conn, Eric E.; Dunn, John E.; Janzen, Daniel H. (1979-01-06)
    Among the mimosoid legumes, few species exhibit the systematic complexity of Acacia farnesiana (L.) Willd. This widespread assemblage of species or microspecies is probably native to the Americas [1-3] and has ...
  • Cytoskyrins and Cytosporones Produced by Cytospora sp. CR200: Taxonomy, Fermentation and Biological Activities 
    Singh, Maya P.; Janso, Jeffrey E.; Brady, Sean F. (Multidisciplinary Digital Publishing Institute, 2007-07-19)
    In screening endophytic fungi from Costa Rica for bioactivity, fungal culture CR200, isolated from a buttonwood tree, was found to contain compounds that initiate DNA damage in a test strain of E. coli (Biochemical Induction ...
  • Cytoskyrins and Cytosporones Produced by Cytospora sp. CR200: Taxonomy, Fermentation and Biological Activities 
    Singh, Maya P.; Janso, Jeffrey E.; Brady, Sean F. (Marine Drugs, 2007-07-19)
    In screening endophytic fungi from Costa Rica for bioactivity, fungal culture CR200, isolated from a buttonwood tree, was found to contain compounds that initiate DNA damage in a test strain of E. coli (Biochemical ...
  • Dan Janzen 
    Adler, Jerry (Smithsonian Institution Scholarly Press, 2005-11)
    Dan Janzen, a University of Pennsylvania biologist, has worked to set aside 378,000 acres in northwest Costa Rica to create the Area de Conservación Guanacaste. The area is home to 4 ecosystems: tropical dry forest, tropical ...
  • Daniel Janzen on Conserving Costa Rica's Tropical Forest 
    Janzen, Daniel H. (1992-08)
    Dr. Daniel Janzen is one oflhe world's authorities on tropical forests. A professor of ecology at the VnilJersity of Pennsylvania, Janzen has spent six months of every year for the past 30 years studying the intricate ...
  • Death of an order: a comprehensive molecular phylogenetic study confirms that termites are eusocial cockroaches 
    Inward, Daegan; Beccaloni, George; Eggleton, Paul (Biology Letters, 2007-06-22)
    Termites are instantly recognizable mound-builders and house-eaters: their complex social lifestyles have made them incredibly successful throughout the tropics. Although known as ‘white ants’, they are not ants and their ...
  • Defoliation Heterogeneity Over Costa Rican Highways 
    Janzen, Daniel H. (1978)
  • Degradation of Tropical Forests: A Dialogue 
    Janzen, Daniel H.; Adams, Robert M. (1990)
    I intrude in your institutional affairs, but I come in the cause of tropical. biology, and as a concerned user of the facilities of the Department of Entomology of the U.S. National Museum (USNM) for over 30 years. I ...
  • Democratizing Taxonomy 
    Holloway, Marguerite (Conservation in Practice, 2006)
    Imagine a portable DNA barcode scanner that could transform people’s relationship with nature. Could such futuristic technology be to biodiversity what the printing press was to literacy?

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