Listar Biología por título
Mostrando ítems 1538-1557 de 1644
-
Tolerance and sorption of Bromacil and Paraquat by thermophilic cyanobacteria Leptolyngbya 7M from Costa Rican thermal springs
(2019)We studied the adsorption ability and tolerance of the thermophilic filamentous cyanobacteria Letolyngbya 7M towards Paraquat and Bromacil. Adsorption isotherms at pH = 7.0 showed an adsorption capacity of 24.4 mg/g and ... -
Transformation of humic substances by the freshwater Ascomycete Cladosporium sp.
(2017)The ecological relevance of fungi in freshwater ecosystems is becoming increasingly evident, particularly in processing the extensive amounts of polymeric organic carbon such as cellulose, chitin, and humic substances (HS). ... -
Transmission characteristics of solo songs and duets in a neotropical thicket habitat specialist bird
(2015-09-22)The Acoustic Adaptation Hypothesis posits that habitat characteristics influence the structure of animal vocalizations and that animals will vocalize and display behaviours optimized for sound transmission. White-eared ... -
Tratamiento sistemático del género Trichosalpinx (Orchidaceae: Pleurothallidinae) en Costa Rica
(2014)A taxonomic revision of Trichosalpinx (Orchidaceae) in Costa Rica is presented. The taxonomic history of the genus, its phylogenetic position and nomenclatural issues are discussed. Characters of vegetative and floral ... -
Tree turnover in a premontane neotropical forest (1998–2009) in Costa Rica
(2011)Tropical premontane forests between 700 and 1,400 m.a.s.l. represent a particular component of the gamma diversity of neotropical ecosystems; however, the extent of information about their dynamics lags behind the more ... -
Trichocentrum Loyolicum, A New Species in the Genus Trichocentrum S. Str. (Orchidaceae: Oncidiinae)
(2008)A new species of Trichocentrum (Orchidaceae: Oncidiinae) from southeastern Ecuador, T. loyolicum, is described and illustrated. Trichocentrum loyolicum is compared with T. pulchrum, from which it mainly differs by the ... -
Trichocentrum Poepp. & Endl.
(2023-02)Se proporciona una revisión del género Trichocentrum para la Flora Mesoamericana. -
Trichocentrum pupulinianum (Orchidaceae)
(2013-02)The following article details the career of Lankester Botanical Garden's researcher Franco Populin. His work within this institution has generated an important growth for the research of orchid species in Costa Rica. This ... -
Trichopilia x ramonensis (Orchidaceae), un híbrido natural de Costa Rica
(2002)Se describe e ilustra el híbrido natural Trichopilia x ramonensis (T. marginata x T. suavis) de la región de San Ramón, Costa Rica. El nombre de este híbrido se usó por primera vez en 1992; sin embargo, hasta ahora no ... -
Trichopilia x ramonensis - Darstellung einer Naturhybride aus Costa Rica
(2003)The natural hybrid Trichopilia x ramonensis (T. marginata x T. suavis) from the San Ramón region of Costa Rica is here presented and illustrated. Its name was validated in 2002, many years after its first mention in the ... -
Trichoptera
(Universidad de Costa Rica, 2010)El orden Trichoptera (en inglés llamado “caddisflies”) pertenece al grupo de órdenes de insectos, en los cuales la totalidad de las especies depende del medio acuático para su desarrollo. ... -
Trick or treat? Pollinator attraction in Vanilla pompona (Orchidaceae)
(2021-11)Natural pollination of Vanilla species remains poorly understood. Our research aimed at better understanding the pollinator attraction mechanism of the Neotropical species Vanilla pompona. Based on our results, we hypothesize ... -
Trophic ecology of sea urchins in coral-rocky reef systems, Ecuador
(2016-01-14)Sea urchins are important grazers and influence reef development in the Eastern Tropical Pacific (ETP). Diadema mexicanum and Eucidaris thouarsii are the most important sea urchins on the Ecuadorian coastal reefs. This ... -
Tubella - die etwas anderen Trichosalpinx
(2013-10)Die Gattung Trichosalpinx gehört zur Subtribus Pleurothallidinae und wurde vor 30 Jahren von C.A. LUER (1983) neu beschrieben. Später wurde sie in vier Untergattungen, Trichosalpinx, Tubella, Pseudolepanthes und Xenia (LUER ... -
Two new cauliflorous species of Aristolochia subseries Anthocaulicae (Aristolochiaceae) from southern Central America
(2022)Two new cauliflorous species of Aristolochia subseries Anthocaulicae from southern Central America are described and illustrated. Aristolochia guanacastensis from northwestern Costa Rica resembles A. ruiziana, from which ... -
Two new cellulolytic fungal species isolated from a 19th-century art collection
(2018)The archive of the Universidad de Costa Rica maintains a nineteenth-century French collection of drawings and lithographs in which the biodeterioration by fungi is rampant. Because of nutritional conditions in which these ... -
Two new endemic species of Monstera (Araceae: Monsteroideae: Monstereae) from Golfito in southern Costa Rica
(2020)Monstera croatii M.Cedeño & A.Hay and M. gambensis M.Cedeño & M.A.Blanco (Araceae: Monsteroideae: Monstereae) are newly described and illustrated from cantón Golfito in the Pacific lowlands of southern Costa Rica. Notes ... -
Two new species and a new record of Epidendrum (Orchidaceae: Laeliinae) from Costa Rica
(2010-07)Two new species of Epidendrum are described and illustrated from Costa Rica. Epidendrum fulfordianum is compared with E. chlorocorymbos, from which it can be distinguished by the much larger flowers, the wider petals and ... -
Two new species of Aristolochia series Thyrsicae (Aristolochiaceae) from southern Central America, with comments on morphologically similar species
(2021)Aristolochia longissima and Aristolochia ornithorhyncha, two new species from the lowland moist forest from the Pacific watershed of southern Costa Rica and western Panama, are described and illustrated. Both species can ...