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Phylogenetic reassessment of Specklinia and its allied genera in the pleurothallidinae (Orchidaceae)
(2016)
The phylogenetic relationships within Specklinia (Pleurothallidinae; Orchidaceae) and related genera are re-evaluated using Bayesian analyses of nrITS and chloroplast matK sequence data of a wide sampling of species. ...
Reposo y germinación de semillas de Enterolobium cyclocarpum (Fabaceae): resultados de un estudio inédito y un experimento fallido
Seed dormancy and germination of Enterolobium cyclocarpum (Fabaceae): Results of an unpublished work and an unsuccessful experiment
(2003)
En Costa Rica, se determinó que para reproducir la especie arbórea Enterolobium cyclocarpum
(Fabaceae), las semillas seleccionadas deben tener una masa de 0,7 a 1,0 g. En general, mayor masa del fruto implica mayor masa ...
Distribución del pez sierra de dientes grandes (Pristis pristis) en Costa Rica: reconstrucción histórica y actual mediante métodos tradicionales y ADN ambiental
(2021)
The Critically Endangered largetooth sawfish Pristis pristis is one of the most
threatened elasmobranch species and is currently thought to be locally extinct in at
least 27 countries. Although largetooth sawfish information ...
Decapods crustaceans associated with macroinvertebrates in the Pacific of Costa Rica
(2021)
Decapod crustaceans are a diverse group that exploits various types of habitats in Costa Rica, where they represent 8.1% of the marine diversity of the country. This group includes families containing species with strictly ...
Phalaenopsis schilleriana
(2004)
El género Phalaenopsis, que consta de unas 60 especies, es uno de los más populares en la hibridación y la venta comercial, principalmente debido a la belleza, tamaño y duración de sus flores. Además, el crecimiento lento ...
Two new species of Kapateira Young from Costa Rica (Auchenorrhyncha: Cicadellidae: Cicadellinae)
(2006-08)
The genus Kapateira was described by Young (1977), who included one species from Colombia but noted that the genus also occurs in Panama, Venezuela, Eucador, and Bolivia. In this paper two new species are decribed, K. ...
Convergent and complementary selection shaped gains and losses of eusociality in sweat bees
(2023-03-20)
Sweat bees have repeatedly gained and lost eusociality, a transition from individual to group reproduction. Here we generate chromosome-length genome assemblies for 17 species and identify genomic signatures of evolutionary ...
Geología de la Hoja Paraíso (1:10 000), Costa Rica
Geology of Paraíso Quadrangle (1:10 000), Costa Rica
(2018)
Este trabajo presenta los datos derivados del cartografiado geológico de la hoja Paraíso (3445-IV-23), escala 1:10 000, ubicada dentro del Valle Central de Costa Rica, junto con los aspectos estructurales e hidrogeológicos ...
Florae costaricensis subtribui Pleurothallidinis (Orchidaceae) prodromus II. Systematics of the Pleurothallis cardiothallis and P. phyllocardia Groups, and Other Related Groups of Pleurothallis with Large Vegetative Habit
(2021)
We discuss a group of Pleurothallis species mostly characterized by plants relatively tall for the genus, with stems more than 20 cm long and fasciculate inflorescences produced above the leaf from a spathaceous, sometimes ...
Caracterización molecular de las comunidades bacterianas asociadas a microplásticos encontrados en el sistema digestivo de la langosta de agua dulce Procambarus clarkii (Decapoda: cambaridae)
(2021)
La contaminación por plásticos está causando daños irreparables en el planeta y se agrava cada día. Los microplásticos (MPs) son un contaminante peligroso de interés mundial que amenaza a los organismos, los ecosistemas ...