Browsing Ciencias básicas by Title
Now showing items 2686-2705 of 3098
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Tadpole begging reveals high quality
(2017)Parents can benefit from allocating limited resources non randomly among offspring, and offspring solicitation (i.e. begging) is often hypothesized to evolve because it contains information valuable to choosy parents. We ... -
Taxonomic and Functional Diversity of Aquatic Macroinvertebrate Assemblages and Water Quality in Rivers of the Dry Tropics of Costa Rica
(2021-08)One of Costa Rica’s driest areas is the province of Guanacaste, in the Pacific Northwest, with almost no rain during the dry season from November to April. Due to this marked seasonality, the area is covered by dry tropical ... -
Taxonomic Keys and Plates from The Myxomycetes
(2021-04-01)In 1969, George W. Martin and Constantine J. Alexopoulos published a remarkable work on myxomycetes. Their monograph on this group of organisms became one of the references to the taxonomy and geographical distribution of ... -
Taxonomic revision of the peculiar genus Xylopodia (Loasaceae) with a new species from Argentina and Bolivia demonstrating an atypical trans-Andean disjunction
(2022)Loasaceae subfam. Loasoideae are a nearly exclusively American plant group with a center of diversity in Peru. Numerous new taxa have been described over the past decades; one of the most striking discoveries was that of ... -
Taxonomical and functional diversity of Saprolegniales in Anzali lagoon, Iran
(2020)Studies on the diversity, distribution and ecological role of Saprolegniales (Oomycota) in freshwater ecosystems are currently receiving attention due to a greater understanding of their role in carbon cycling in various ... -
Taxonomía multifásica de hongos endófitos del orden hypocreales en rubiaceae de bosque natural de Costa Rica
(2023)Los problemas fitosanitarios relacionados al café en Latinoamérica y otras áreas en el mundo, han registrado un aumento en la frecuencia y la severidad de las enfermedades producidas por hongos como Hemileia vastatrix ó ... -
Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica
(2023)Ganoderma species are well recognized by their significant role in the recycling of nutrients in ecosystems, and by their production of secondary metabolites of medical and biotechnological importance. Ganoderma spp. are ... -
Taxonomy in watercolor: the Specklinia endotrachys group, part 1
(2013)In the last decade orchid systematics has focused especially on assessing evolutionary relationships among species and species groups, in an attempt to produce a solid phylogenetic framework for the family. While in general ... -
Taxonomy in watercolor: the Specklinia endotrachys group, part 2
(2013)in the last decade orchid systematics has focused especially on assessing evolutionary relationships among species and species groups, in an attempt to produce a solid phylogenetic framework for the family. While in general ... -
Teaching basic statistics to blind students
(2017)Understanding statistics has become extremely important not only for researchers but also for the general public in order to understand publications that include statistical analysis. Having in mind promoting ... -
Tecnología de modulación en el espacio de tiempo-frecuencia ortogonal
(2021-02-11)La presente investigación bibliográfica recopila los conceptos básicos de la tecnología de modulación en el Espacio de Tiempo-Frecuencia Ortogonal (OTFS), que será utilizada para la comunicación móvil de quinta generación ... -
Telimena (Telimenaceae, Phyllachorales) species on Neotropical host plants: New species, combinations and revision of species on Polygonaceae
(2022-05-25)In this investigation, we propose a new species in Telimena, T. bromeliae sp. nov. growing on bromeliads with a detailed description, illustrations, and molecular characterisation based on material collected in Costa Rica ... -
Telipogon Kunth
(2022)Se presenta una sinopsis del género Telipogon en Costa Rica y se describen e ilustran tres nuevas especies. -
Telipogon sonia-juaniorum (Orchidaceae: Oncidiinae) a new species from Southwestern Ecuador
(2018-02-23)A new species, Telipogon sonia-juaniorum, from the semi-deciduous montane forests from Southwestern Ecuador is described and illustrated. Information about distribution, habitat, phenology, and conservation status for the ... -
Temperatura, Precipitación y Caudal en Panamá. Parte I: Características generales y distribución estacional
(1998-07)Valores medios mensuales de temperatura máxima y media, precipitación y caudal para diferentes estaciones son utilizadas para estudiar, las características generales y la distribución estacional de esos parámetros en la ... -
Temperatura, Precipitación y Caudal en Panamá. Parte II: ENOS y Cambio climático
(1998-07)En este trabajo se analizaron series de valores medios mensuales de temperatura máxima y media, de precipitación y caudal para diferentes estaciones en la República de Panamá en relación con El Niño-Oscilación del Sur ... -
Temperature and elemental sulfur shape microbial communities in two extremely acidic aquatic volcanic environments
(2021)Aquatic environments of volcanic origin provide an exceptional opportunity to study the adaptations of microbial communities to early planet life conditions such as high temperatures, high metal concentrations, and low pH. ... -
El temporal de enero 2000: sus características e impactos socio-económicos sobre las comunidades próximas a la cuenca de la Laguna de Arenal y de la región Huetar Norte
(2009)Los fenómenos y procesos climáticos forman parte integral del sistema climático terrestre y son estudiados en consecuencia, pero también adquieren relevancia en tanto son detonantes de desastres, en algunos casos de ... -
Temporal variations in fumarole gas chemistry at Poás volcano, Costa Rica
(2015-03)We report the chemical and isotopic composition of fumarole gas discharges collected at Poás Volcano, Costa Rica from 2001 to 2014, covering a period during which the volcano experienced a series of phreatic eruptions ...