COPA

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

Browsing Ciencia e Investigación by Title

Browsing Ciencia e Investigación by Title

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  • OBSERVACIONES SOBRE EL COMPORTAMIENTO DE TORTUGAS LORAS ANTES DE UNA ARRIBADA EN PLAYA NANCITE, COSTA RICA 
    Hill, Glen (1990-08-11)
  • OBSERVATIONS ON POPULATIONS OF ADULT BEAVER-BEETLES, PLATYPSYLLUS CASTORIS 
    Janzen, Daniel H. (1963-10)
    While trapping beaver in the Mississippi River bottom-lands below Hastings, Minnesota in March, 1960, many of the twoyear- oIds were found to be heavily infested with the coleopterous ectoparasite, Platypsyllus castoris ...
  • Oh, I Forgot about Zoos 
    Janzen, Daniel H. (1987-03)
    If there was a crop that grew as well on tropical rainforest soils as do many crops and pastures on tropical dry forest soils, we would not have any rainforest left to argue over. This truth introduces two intense ...
  • On Ecological Fitting 
    Janzen, Daniel H. (1985-12)
    I've grown up on a diet of Darwin, Wallace and their cultural offspring. But I'm faced with the reality of the biology of 100 km2 of lowland dry forest (Santa Rosa National Park) in northwestern Costa Rica. Some of ...
  • On the Broadening of Insect-Plant Research 
    Janzen, Daniel H. (1985-08)
  • One Hundred Questions of Importance to the Conservation of Global Biological Diversity 
    Sutherland, W. J.; Adams, W. M.; Aronson, R. B.; Aveling, R.; Blackburn, T. M.; Broad, S.; Ceballos, G.; Coté, I. M.; Cowling, R. M.; Da Fonseca, G. A. B.; Dinerstein, E.; Ferraro, P. J.; Fleishman, E.; Gascon, C.; Hunter Jr., M.; Hutton, J.; Kareiva, P.; Kuria, A.; Macdonald, D. W.; Mackinnon, K.; Madgwick, F. J.; Mascia, M. B.; Mcneely, J.; Milner-Gulland, E. J.; Moon, S.; Morley, C. G.; Nelson, S.; Osborn, D.; Pai, M.; Parsons, E. C. M.; Peck, L. S.; Possingham, H.; Prior, S. V.; Pullin, A. S.; Rands, M. R. W.; Ranganathan, J.; Redford, K. H.; Rodriguez, J. P.; Seymour, F.; Sobel, J.; Sodhi, N. S.; Stott, A.; Vance-Borland, K.; Watkinson, A. R. (2009-01-12)
    We identified 100 scientific questions that, if answered, would have the greatest impact on conservation practice and policy. Representatives from 21 international organizations, regional sections and working groups of ...
  • Open Letter to Phytochemists 
    Janzen, Daniel H. (1978-11-13)
  • Optimising Carbon in the Australian Landscape 
    Cosier, Mr Peter; Flannery, Tim; Harding, Dr. Ronnie; Karoly, David; Lindenmayer, David; Possingham, Hugh; Purves, Robert; Saunders, Denis; Thom, Bruce; Williams, John; Young, Mike (2009-10-22)
    The focus in climate change policy has centred on reducing greenhouse gas emissions from energy generation, manufacturing and transport, because this is fundamental to any solution to climate change. The science now ...
  • our precious coasts - marine pollution, climate change and the resilience of coastal ecosystems 
    Nelleman, C.; Corcoran, E. (United Nations Environment Programme, 2006)
    Climate change is seriously impacting the world’s marine ecosystems. Massive coral bleaching episodes have impacted the function of the reefs and increased rates of mortality. Coral reefs support over one million plant ...
  • Los parasitos y la biodiversidad 
    Brooks, Daniel R.; León-Règagnon, Virginia; Pérez-Ponce de León, Gerardo (2000)
    La utilización racional de los recursos aportados por la biodiversidad pueden generar alternativas ecológicas que, a su vez, conlleven ventajas económicas. Es necesario conocer estos recursos (las especies) y su biología ...
  • Parque Marino Las Baulas 
    James R., Spotila; Frank V., Paladino (1990)
  • Parque Nacional Guanacaste: Restauración ecológica y cultural en el trópico 
    Janzen, Daniel H. (1986)
    El bosque seco es el Irás amenazado de los tipos de hábitat que una vez se extendieron profusamente por Mesoamérica; hoy solamente un 0,08 por ciento de los primitivos 550.000 Km2 se encuentra bajo protección. Este ...
  • Patterns of cetacean sighting distribution in the Pacific Exclusive Economic Zone of Costa Rica based on data collected from 1979-2001 
    May-Collado, Laura; Gerrodette, Tim; Calambokidis, John; Rasmussen, Kristen; Sereg, Irena (Revista de Biologia Tropical, 2005-06)
    Nineteen species of cetaceans (families Balaenopteridae, Kogiidae, Physeteridae, Ziphiidae and Delphinidae) occur in the Costa Rican Pacific Exclusive Economic Zone (EEZ). Based on data recorded from the EEZ by the Southwest ...
  • Patterns of Foraging and Range Use by Three Species of Neotropical Primates 
    Chapman, Colin (1988-04)
    This paper describes the diet and range use patterns of the three species of primates in Santa Rosa National Park, Costa Rica (Ateles geoffroyi, Alouatta palliata, and Ce bus capucinus) and examines the variation in these ...
  • Patterns of Herbivory in a Tropical Deciduous Forest 
    Janzen, Daniel H. (1981-12)
    In the lowland deciduous and riparian evergreen forests of Guanacaste Province, Costa Rica, the insect seed predators are highly host-specific and display a variety of traits suggesting that the ways they use hosts are ...
  • Pelamis Platura (Yellow-bellied Seasnake). Mating Behavior. 
    Unknown author (2009)
  • Periclimenes murcielagensis, a new species of shrimp (Crustacea: Decapoda: Palaemonidae) living on black coral from the Pacific coast of Costa Rica 
    Vargas, Rita (2000-03-11)
    Periclimenes murcielagensis, new species, a pontoniine shrimp living on black coral colonies, occurs at depths of 25 m at Isla San Pedrito, Archipielago de las Islas Murcielago, Guanacaste, Costa Rica. This new species is ...
  • Perspective: Where might be many tropical insects? 
    Janzen, Daniel H.; Hallwachs, Winnie (2019)
    I have been watching the gradual and very visible decline of Mexican and Central American insect density and species richness since 1953 and Winnie since 1978. The loss is very real for essentially all higher taxa, and ...
  • Pervasive Defaunation of Forest Remnants in a Tropical Biodiversity Hotspot 
    Kierulff, Maria Cecilia M.; Gatto, Cassiano A. Ferreira; Guidorizzi, Carlos E.; Peres, Carlos A.; Canale, Gustavo R. (PLOS one, 2012)
    Tropical deforestation and forest fragmentation are among the most important biodiversity conservation issues worldwide, yet local extinctions of millions of animal and plant populations stranded in unprotected forest ...
  • Petit spot-like volcanoes exposed in Costa Rica 
    Buchs, D. M.; Pilet, S.; Baumgartner, P. O.; Cosca, M.; Flores, K.; Bandini, A. (Goldschmidt Conference Abstracts, 2011)
    The study of volcanism in the ocean is fundamental to better understand the dynamics of the Earth mantle and plate tectonics. However, our understanding of this volcanism is limited by difficulties to access the roots ...

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