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Registros recuperados: 35
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FIRST HOST RECORD FOR THE ROOT PARASITE Corynaea crassa (BALANOPHORACEAE) 37
TUPAC OTERO,J; MORA,MARCELA; COSTA,JUAN F.
Corynaea crassa is a root hemiparasitc plant infrequent in nature. There is little information regarding their natural history, in particular their host range. In this study we dig 32 tubers and followed their parasitized roots to determine the species host. We found Bocconia frutescens (Papaveraceae), Verbesina sp. (Asteraceae), Cayaponia sp. (Cucurbitaceae) y Palicourea sp.(Rubiaceae) as natural hosts of C. crassa. This is the first host record available for C. crassa and provides some bases for its conservation in natural habitats.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Balanophoraceae; Corynaea crassa; Costa Rica; Host plant; Root parasitism.
Ano: 2009 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-548X2009000300015
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Limb amputation by male Neotropical longhorn beetles during competition for females 49
Larsson,Folke Kustvall.
The biology and mating behaviour of the spectacularly large and brightly coloured Neotropical longhorn beetle Schwarzerion holochlorum Bates 1872 (Coleoptera: Cerambycidae) is largely unknown. For the first time I report and photographically document violent male-male competitions for females involving frequent amputations of competitors' legs and antennae.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Amputations; Male-male competition; Palo Verde National Reserve; Costa Rica; Longhorn beetle; Cerambycidae; Mating system.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032010000100030
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A new species of Colosmittia Andersen et Sæther from Costa Rica (Chironomidae: Orthocladiinae) 49
Andersen,Trond; Mendes,Humberto Fonseca; Hagenlund,Linn Katrine.
Colosmittia anamariae sp. n. from Costa Rica is described and figured as male imago. The genus Colosmittia Andersen et Sæther, 1994 was described based on a single species, C. clavata Andersen et Sæther, 1994 from the West Usambara Mountains in Tanzania, East Africa. A second species, C. brasileira Mendes et Andersen, 2009 was recently described from Brazil. The discovery of a third species in Costa Rica indicates that the genus might be widespread in the Neotropical region.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chironomidae; Orthocladiinae; Colosmittia; New species; Costa Rica.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032011000300019
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Identification of volatile compounds from three species of Cyathodium (Marchantiophyta: Cyathodiaceae) and Leiosporoceros dussii (Anthocerotophyta: Leiosporocerotaceae) from Panama, and C. foetidissimum from Costa Rica 51
Salazar Allen,Noris; Santana,Ana Isabel; Gómez,Nélida; Chung C,Clementina; Prashad Gupta,Mahabir.
Cyathodium is a thalloid marchantialean liverwort with five species reported for the Neotropics. Three species that occur in Panama (C. bischlerianum, C. spruceanum, C. cavernarum) and one from Costa Rica (C. foetidissimum) were studied chemically. Female and male plants of the dioecious C. spruceanum were very similar in their chemical composition except for two compounds that were found only in female plants. All samples of C. spruceanum and C. bischlerianum contained, in less than three percent, the sesquiterpenes germacrene D and bicyclogermacrene. The presence of these compounds suggests a close affinity between these two species. Cyathodium bischlerianum contained mainly aromatic monoterpenes with nerolidol as the main compound. Cyathodium cavernarum...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Costa Rica; Diterpenes; Hornwort; Neotropical liverworts; Panama; Sesquiterpenes; Skatole.
Ano: 2017 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722017000200016
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Estudios en las Apocynaceae neotropicales XIX: la familia Apocynaceae (Apocynoideae, Rauvolfioideae) en Costa Rica 66
Morales,J. Francisco.
Se ofrece un tratamiento sistemático de la familia Apocynaceae, subfamilias Rauvolfioideae y Apocynoideae para Costa Rica. En total, 30 géneros y 80 especies son tratadas. Se presentan claves para los géneros y especies, descripciones y especímenes examinados, así como comentarios adicionales y referencias bibliográficas más importantes. Se incluyen fotografías para la mayoría de los géneros y las especies.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Apocynaceae; Apocynoideae; Rauvolfioideae; Florística; Costa Rica.
Ano: 2005 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0011-67932005000100011
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Mollinedia Maxima (Monimiaceae), un nuevo nombre para Mollinedia Macrophylla 66
Morales,J. Francisco; Grayum,Michael H..
Se propone el nombre Mollinedia maxima para reemplazar Mollinedia macrophylla, un homónimo ilegítimo.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Costa Rica; Mollinedia; Monimiaceae.
Ano: 2009 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0011-67932009000100013
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Novedades en las Proteaceae de Costa Rica 66
Morales,J. Francisco.
Roupala sessiliflora, una nueva especie endémica de Costa Rica es descripta e ilustrada. Este nuevo taxón se encuentra relacionado con R. mexicana y con R. cordifolia de las que se separa por sus flores sésiles y tépalos más pequeños. Asimismo se diferencia de esta última por sus hojas anchamente elípticas a obovadas, con la base cuneada.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Costa Rica; Mesoamérica; Proteaceae; Roupala.
Ano: 2006 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0011-67932006000200009
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Lattice-work corridors for climate change: a conceptual framework for biodiversity conservation and social-ecological resilience in a tropical elevational gradient 7
Townsend, Patricia A; University of Washington; ptownsen@uw.edu; Masters, Karen L; Council on International Educational Exchange; KMasters@ciee.org.
Rapid climate change poses complex challenges for conservation, especially in tropical developing countries where biodiversity is high while financial and technical resources are limited. The complexity is heightened by uncertainty in predicted effects, both for ecological systems and human communities that depend heavily on natural resource extraction and use. Effective conservation plans and measures must be inexpensive, fast-acting, and able to increase the resilience of both the ecosystem and the social-ecological system. We present conservation practitioners with a framework that strategically integrates climate change planning into connectivity measures for tropical mountain ecosystems in Costa Rica. We propose a strategy for doubling the amount of...
Tipo: Peer-Reviewed Insight Palavras-chave: Buffer capacity; Climate adaptation; Community involvement; Conservation incentives; Costa Rica; Environmental services payments; Forest landscape restoration; Habitat priority-setting; Landscape connectivity; Reforestation; Resilient ecosystems; Resilient livelihoods; Riparian zones; Tropical mountain ecosystems.
Ano: 2015
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Levels and drivers of fishers’ compliance with marine protected areas 7
Arias, Adrian; Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University; adrian.arias@my.jcu.edu.au; Cinner, Joshua E.; Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University; joshua.cinner@jcu.edu.au; Jones, Rhondda E.; College of Marine and Environmental Sciences, James Cook University; Australian Institute of Tropical Health and Medicine, James Cook University; rhondda.jones@jcu.edu.au; Pressey, Robert L.; Australian Research Council Centre of Excellence for Coral Reef Studies, James Cook University; bob.pressey@jcu.edu.au.
Effective conservation depends largely on people’s compliance with regulations. We investigate compliance through the lens of fishers’ compliance with marine protected areas (MPAs). MPAs are widely used tools for marine conservation and fisheries management. Studies show that compliance alone is a strong predictor of fish biomass within MPAs. Hence, fishers’ compliance is critical for MPA effectiveness. However, there are few empirical studies showing what factors influence fishers’ compliance with MPAs. Without such information, conservation planners and managers have limited opportunities to provide effective interventions. By studying 12 MPAs in a developing country (Costa Rica), we demonstrate the role that...
Tipo: Peer-Reviewed Reports Palavras-chave: Costa Rica; Illegal fishing; Livelihoods; Marine reserve; Poaching; Poverty.
Ano: 2015
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Cambios en la distribución altitudinal de las aves de Río Macho, Cartago, Costa Rica 68
Ramírez-Alán,Oscar; Vargas-Masís,Roberto; Cordero,Roberto A.
Las aves poseen un alto potencial como indicadoras de los efectos del cambio climático debido a su facilidad de observación y de monitoreo continuo. Estudios previos acerca del efecto del cambio climático sobre las aves han mostrado que existen variaciones en la distribución de las especies. El objetivo de este estudio es evaluar el cambio en la distribución altitudinal de la avifauna de la Estación Biológica Río Macho y sus alrededores, en Costa Rica. Utilizando puntos de conteo, transectas, redes de niebla, grabaciones de sonido y observaciones, se registró la avifauna del área y se compararon los límites de altitud máxima previamente reportados para las especies con las altitudes registradas en este trabajo. Se registraron 197 especies, de las cuales el...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cambio climático; Costa Rica; Distribución altitudinal.
Ano: 2015 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0073-34072015000200002
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Estructura poblacional y proporción de sexos en Caiman crocodilus en Caño Negro, Costa Rica 76
Escobedo-Galván,Armando H..
Desde 1986 se han llevado acabo evaluaciones sobre el estado poblacional de Caiman crocodilus (Linnaeus, 1758) en el Refugio Nacional de Vida Silvestre Caño Negro. Sin embargo, solo se conoce información sobre la abundancia y el tamaño poblacional. El objetivo de este estudio fue evaluar la estructura poblacional y proporción de sexos de C. crocodilus en Caño Negro. Se capturó un total de 145 caimanes mediante 22 conteos nocturnos desde Mayo 2004 a Mayo 2005. La mayoría de los individuos presentaron longitudes menores a 60 cm y entre 150 a 180 cm. La proporción de sexos promedio fue de 1: 6.06 hembra/machos, siendo una de las mayores diferencias reportadas para la especie; de mantenerse la proporción de sexos, es de esperar una disminución en la viabilidad...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Caiman crocodilus; Estructura poblacional; Proporción de sexos; Caño Negro; Costa Rica.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212008000400012
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Ectoparasites of the common vampire bat (Desmodus rotundus) in Costa Rica: parasitism rates and biogeographic trends 81
Rojas,Andrés; Jiménez,Ana; Vargas,Mario; Zumbado,Manuel; Herrero,Marco V..
A descriptive study was carried out to determine the ectoparasitic fauna of the common vampire bat Desmodus rotundus (Chiroptera: Phyllostomidae) from twelve locations and eight different life zones in Costa Rica. The biogeographic trends of ectoparasites were described using Geographical Information Systems. A total of sixty seven bats were collected using mist nets and submitted for necropsy. Two species of batflies (Diptera: Streblidae) were identified: Trichobius parasiticus (82.14%) and Strebla wiedemanni (4.05%), as well as two species of mites: Radfordiella desmodi (13.57%) (Acarina: Macronyssidae) and Periglischrus herrerai (0.24%) (Acarina: Spinturnicidae). The highest percentages of infestation were given by T. parasiticus (91.04%) and R. desmodi...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Costa Rica; Ecological patterns; Ectoparasites; Vampire bats.
Ano: 2008 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-93832008000200003
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Actualización de la lista de especies de mamíferos vivientes de Costa Rica 81
Rodríguez-Herrera,Bernal; Ramírez-Fernández,José D; Villalobos-Chaves,David; Sánchez,Ragde.
Aunque Costa Rica es un país pequeño contiene una alta diversidad de mamíferos. El estudio de la mastozoología en el país se remonta a inicios del siglo XIX con la presencia de naturalistas europeos y los primeros costarricenses como Alfaro y Zeledón. A pesar de los amplios estudios realizados en Costa Rica aún quedan muchas especies de mamíferos por registrar. Prueba de lo anterior es la adición aquí de 11 especies de mamíferos a la lista nacional, totalizando 249. Los órdenes con mayor número de especies son Chiroptera con 114, Rodentia con 47, Cetacea con 31 y Carnivora con 24. De las 11 especies agregadas a esta lista, el 50% corresponden a especies descritas con nuevos reportes para Costa Rica y 3 son producto de la elevación de subespecie a nivel...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Costa Rica; Endemismo; Promops centralis; Taxonomía.
Ano: 2014 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-93832014000200008
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A neglected trichiine beetle from Costa Rica (Coleoptera: Cetoniidae) 16
Krikken, J..
Giesbertiolus linnaei spec. nov. is described after a female from Costa Rica, in order to prevent this unusual beetle, collected as long ago as 1895, from falling into oblivion. It is compared with the two known Giesbertiolus species and with other Mesoamerican Trichiini. The ignorance as to the precise relationships of the three species included is briefly discussed.
Tipo: Article / Letter to the editor Palavras-chave: Giesbertiolus; Scarabaeoidea; Trichiini; New species; Costa Rica; 42.75.
Ano: 2008 URL: http://www.repository.naturalis.nl/record/261771
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Seven taxonomic discoveries in Annonaceae from south-eastern Central America 16
Erkens, R.H.J.; Maas, P.J.M.; Chatrou, L.W.; Schatz, G.E.; Zamora, N..
During fieldwork in Costa Rica and Panama five undescribed species of Guatteria and one new species of Desmopsis were collected and are described here. Additionally, a poorly known species of Pseudomalmea is described.
Tipo: Article / Letter to the editor Palavras-chave: Annonaceae; Desmopsis; Guatteria; Pseudomalmea; Costa Rica; Panama; Endemics.
Ano: 2006 URL: http://www.repository.naturalis.nl/record/525819
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Specklinia lugduno-batavae (Pleurothallidinae: Orchidaceae), a new species in the S. digitalis group 16
Karremans, A.P.; Bogarín, D.; Gravendeel, B..
Specklinia lugduno-batavae from the Caribbean lowlands of Nicaragua and Costa Rica is formally described and illustrated. The new species belongs to the Specklinia digitalis group and can be recognised by the creeping habit, purple spotted abaxial surface of the leaf and the almost immaculate whitish cream flowers, which are produced in succession on a very short, flexuous inflorescence. The name honours Leiden University and the Hortus botanicus Leiden. The novelty is compared with its closest relatives, Specklinia digitalis, S. pisinna and S. succulenta.
Tipo: Article / Letter to the editor Palavras-chave: Costa Rica; Nicaragua; Specklinia digitalis; Specklinia lugduno-batavae; Specklinia pisinna; Specklinia succulenta.
Ano: 2015 URL: http://www.repository.naturalis.nl/record/578357
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New species of the genera Foenomorpha Szépligeti (Cenocoeliinae) and Chelonus Panzer (Cheloninae) (Hymenoptera: Braconidae), from French Guiana, Suriname, and Brazil 16
Braet, Y.; Achterberg, C. van.
Two new species of the genus Foenomorpha Szépligeti, 1904, are described (F. rufa spec. nov. from Brazil and F. senlura spec. nov. from French Guiana). A key to the known species is added and notes on the other two species are added. Foenomorpha filicornis (Cameron, 1887) is a new combination for Cenocoelius filicornis Cameron. An aberrant group of Chelonus with very slender antennal segments and a protuberant scutellum from French Guiana and Suriname is described and included in the new subgenus Baculonus (type species: C. pachytellus spec. nov.). Epsilogaster palenque Whitfield & Mason, 1994, is reported for the first time from Costa Rica.
Tipo: Article / Letter to the editor Palavras-chave: Braconidae; Cenocoeliinae; Cheloninae; Mendesellinae; Foenomorpha; Chelonus; Baculonus; Epsilogaster; New species; Neotropical; French Guiana; Suriname; Brazil; Costa Rica; Peru; Distribution; Key; 42.75.
Ano: 2001 URL: http://www.repository.naturalis.nl/record/217437
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Two new species of the genus Centistina Enderlein (Hymenoptera: Braconidae: Euphorinae) from Costa Rica 16
Achterberg, C. van; Shaw, S.R..
Centistina zitaniae spec. nov. and C. fusciscapa spec. nov. (Hymenoptera: Braconidae: Euphorinae) from Costa Rica are described and illustrated. C. fusciscapa is considered to belong to a separate species group. A key to the five known species is added.
Tipo: Article / Letter to the editor Palavras-chave: Hymenoptera; Braconidae; Euphorinae; Centistina; New species; Neotropical; Afrotropical; Costa Rica; 42.75.
Ano: 2000 URL: http://www.repository.naturalis.nl/record/215735
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Microcanuella bisetosa gen. n., sp. n., a new taxon of Canuellidae (Crustacea, Copepoda) from the Costa Rican Pacific coast, with remarks on Galapacanuella beckeri 16
Mielke, Wolfgang.
A new canuellid, Microcanuella bisetosa gen. n., sp. n., was collected on the Pacific coast (Gulf of Nicoya) of Costa Rica. Though the male is still unknown, a new genus is established, mainly because of the reduced armature of P1, P4, and P5. The small-sized M. bisetosa sp. n. is a mesopsammic species, inhabiting the interstices of coarse sediments of a beach slope.
Tipo: Article / Letter to the editor Palavras-chave: Microcanuella; Systematics of Canuellidae; Costa Rica; Galapacanuella.
Ano: 1994 URL: http://www.repository.naturalis.nl/record/504355
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Development of Hypsipyla grandella (Zeller) (Lepidoptera: Pyralidae) in response to constant temperatures 82
Taveras,Rosina; Hilje,Luko; Carballo,Manuel.
Developmental response of the mahogany shootborer, Hypsipyla grandella (Zeller), to temperature was determined in laboratory trials in Turrialba, Costa Rica. Two hundred fresh eggs (less than 24h old) were placed individually inside glass flasks, and exposed to seven constant temperatures (10, 12.5, 15, 20, 25, 30 and 35°C), in separate experiments. These were carried out in environmental chambers, at 80-90% relative humidity and 8L:16D photoperiod. After hatch, larvae were fed tender foliage of Spanish cedar (Cedrela odorata) and were inspected every 24h to determine larval and pupal duration, and adult emergence, at each temperature. Relationships between these variables and temperature were analyzed by means of ANOVA, regression and correlation...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Meliaceae; Development rate; Thermal threshold; Thermal constant; Costa Rica.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2004000100002
Registros recuperados: 35
Primeira ... 12 ... Última
 

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