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Variación temporal ecológica de playas de arena según diferente nivel de conservación en la zona del Parque Nacional Manuel Antonio, Costa Rica
(2021)Este proyecto busca generar información ecológica de las poblaciones de invertebrados y los factores ambientales que se dan en las playas arenosas del Parque Nacional Manuel Antonio y playa Espadilla. Se eligió este Parque ... -
Variation and possible function of egg sac coloration in spiders
(2013)Coloration of the egg sacs of spiders varies widely to the human eye, both across and within taxonomic groups. These differences in coloration are expected with differences in the biology and ecology of different species. ... -
Variation in echolocation call frequencies in two species of free-tailed bats according to temperature and humidity
(2017)Bats can actively adjust their echolocation signals to specific habitats and tasks, yet it is not known if bats also modify their calls to decrease atmospheric attenuation. Here the authors test the hypothesis that individuals ... -
Variation in the intermittent buzzing songs of male medflies (diptera: tephritidae) associated with geography, mass-rearing, and courtship success
(Florida Entomologist 85(1) March 2002, 2002-03)Varios aspectos de los patrones temporales de los sonidos del zumbido intermitente producido durante el cortejo pre-copulatório de los machos de la mosca del Mediterráneo variaron entre moscas silvestres de Costa Rica, ... -
Variation in the whole mitogenome of reef-building Porites corals
(2016)The study of complete mitochondrial genomes (mitogenomes) revealed different gene rearrangements, highly variable markers, and delineated clades that have aided the understanding of the evolutionary history in corals. In ... -
Variation of bacterial communities along the vertical gradient in Lake Issyk Kul, Kyrgyzstan
(2021-02-04)We explored the diversity and community composition of bacteria along a vertical gradient in Lake Issyk Kul, Kyrgyzstan, one of the world's largest and deepest brackish lakes. We identified 4904 bacterial amplicon sequence ... -
Variation of the diet of the sea urchin (Diadema mexicanum (Diadematoida: Diadematidae)) according to its size in the Eastern Tropical Pacific
(2024-03)Introduction: The sea urchin Diadema mexicanum, due to its bioerosion activity, is considered of ecological importance. This phenomenon could negatively or positively affect coral reef ecosystems. The bioerosion process varies ... -
Velvet Worms (Onychophora) in Folklore and Art: Geographic Pattern, Types of Cultural Reference and Public Perception
(2015-07-06)Aims: To document and preserve folkloric beliefs and art inspired by velvet worms (Onychophora), rare invertebrates that are considered “living fossils”, have full placental organs and capture prey with a rough “net” built ... -
Vestiges of an orb-weaving ancestor? The “biogenetic law” and ontogenetic changes in the webs and building behavior of the black widow spider Latrodectus geometricus (Araneae Theridiidae)
(2008)Young juveniles of L. geometricus fit the strong trend for “ontogeny to repeat phylogeny” previously documented in other web-building spiders; younger spiders were less likely to build the derived silk retreats that occur ... -
Virulencia de hongos nativos del orden Hypocreales sobre Bemisia tabaci, estudio de las condiciones óptimas para el desarrollo de los hongos y registros de moscas blancas silvestres para Costa Rica
(2020)Los hongos Hypocreales son hongos entomopatógenos con potencial en control biológico de insectos plaga. El objetivo de este estudio fue identificar especies de hongos patógenos que parasitan insectos de la familia Aleyrodidae ... -
Virus-vector relationship in the Citrus leprosis pathosystem
(2017)Citrus leprosis has been one of the most destructive diseases of citrus in the Americas. In the last decade important progress has been achieved such as the complete genome sequencing of its main causal agent, Citrus ... -
Viscid globules in webs of the spider achaearanea tesselata (araneae: theridiidae)
(2006)We describe the presence and dimensions of viscid globules in both the sheet and tangle portions of the webs of Achaearanea tesselata (Keyserling 1884). We found viscid globules in all sheets and tangles of the webs examined. ... -
Visualizing Pleurothallids: Lankesteriana
(2015)Descripción de la especie de orquídea Pleurothallids Lankesteriana. -
Visualizing the invisible: class excursions to ignite children’s enthusiasm for microbes
(2020)We have recently argued that, because microbes have pervasive – often vital – influences on our lives, and that therefore their roles must be taken into account in many of the decisions we face, society must become ... -
Vitamin E and carotenoid profiles in leaves, stems, petioles and flowers of stinging nettle (Urtica leptophylla Kunth) from Cost Rica
(2022-05)BACKGROUND: Local leafy vegetables are gaining attention as affordable sources of micronutrients, including vitamins, pro-vitamin carotenoids and other bioactive compounds. Stinging nettles (Urtica spp.) are used as source ... -
La viuda negra en Costa Rica: información general
(2016)La viuda café (Latrodectus geometricus) ha sido probablemente introducida a América desde la región mediterránea de África. Desde su llegada a Costa Rica, esta especie ha expandido su distribución rápidamente colonizando ... -
Vocal behavior and the use of social information during roost finding
(2022-07-26)When selecting feeding, hiding, or resting areas, animals face multiple decisions with different fitness consequences. To maximize efficiency, individuals can either collect personal information, or use information gathered ... -
Wasp florivory decreases reproductive success in an epiphytic bromeliad
(2009)Flower predation or florivory may alter the sexual expression, floral display, and reduce the reproductive success in plants. In this article, we estimated the effect of florivory on the reproductive success of the epiphytic ... -
Water quality conditions on coral reefs at the Marino Ballena National Park, Pacific Costa Rica
(2009)Marino Ballena National Park is located in an area thought to be chronically affected by high terrigenous sediment and nutrient loads, and high temperatures. Five coral reefs at MBNP were monitored monthly between August ...