Results 71 to 80 of about 3,897 (138)

Barcode 100K Specimens: In a Single Nanopore Run

open access: yesMolecular Ecology Resources, Volume 25, Issue 1, January 2025.
ABSTRACT It is a global priority to better manage the biosphere, but action must be informed by comprehensive data on the abundance and distribution of species. The acquisition of such information is currently constrained by high costs. DNA barcoding can speed the registration of unknown animal species, the most diverse kingdom of eukaryotes, as the ...
Paul D. N. Hebert   +3 more
wiley   +1 more source

Bacillus thuringiensis in caterpillars and associated materials collected from protected tropical forests in northwestern Costa Rica

open access: yesRevista de Biología Tropical, 2006
Bacillus thuringiensis (Bt) synthesizes crystalline inclusions that are toxic to caterpillars (Lepidoptera) and other orders of invertebrates. Materials associated with 37 caterpillars from 16 species, collected while feeding on 15 different species of ...
César Rodríguez-Sánchez   +3 more
doaj  

Phorid Flies (Insecta: Diptera: Phoridae) of the Nectandra Cloud Forest Reserve in Mid-Elevation Costa Rica

open access: yesDiversity
The Costa Rican mid-elevation forests have been found to include some of the richest sites in the world for biodiversity per unit area. We used DNA barcodes to study 28,773 phorid fly specimens that were Malaise-trapped in the Nectandra Cloud Forest ...
Brian V. Brown, Evelyne T. Lennette
doaj   +1 more source

Conservation status of three rare endemic Phaseolus bean (Leguminosae, Phaseoleae) species of Costa Rica

open access: yesNordic Journal of Botany, Volume 2024, Issue 12, December 2024.
We aimed at an inventory of all populations of wild Phaseolus (bean) species in Costa Rica, in relation to future plant breeding. During the field work in 2003–2018, three new and rare bean species (i.e. P. albicarminus, P. angucianae and P. hygrophilus) were found in different montane forest habitats which originally occupy a small acreage.
Daniel G. Debouck   +2 more
wiley   +1 more source

A new species of poeciliid fish, Poeciliopsis santaelena, from Peninsula Santa Elena, Area de Conservación Guanacaste, Costa Rica

open access: yesRevista de Biología Tropical, 2008
An undescribed freshwater fish was recently discovered during a biological inventory of Area de Conservación Guanacaste, northwestern Costa Rica. This new species of Poeciliopsis is closely related to a group of widespread species of small spotted fishes
William A Bussing
doaj  

Sistema multi-algoritmo para la clasificación de coberturas de la tierra en el bosque seco tropical del Área de Conservación Guanacaste, Costa Rica

open access: yesTecnología en Marcha, 2018
Por décadas  la detección y el monitoreo de coberturas de la tierra se ha llevado a cabo por medio de teledetección aéreo-transportada y satelital. La habilidad de detectar y cuantificar coberturas de la tierra depende en gran medida de las capacidades ...
Daniela Vargas-Sanabria   +1 more
doaj   +1 more source

Caracterización de los sistemas silvopastoriles Impulsados por MARENA-PAGRICC en las comunidades Soledad de la Cruz y La Unión municipio San Isidro, Matagalpa, primer semestre 2015 [PDF]

open access: yes, 2016
El presente estudio tuvo por objetivo caracterizar los sistemas silvopastoriles impulsados por MARENA – PAGRICC en las comunidades Soledad de la Cruz y La Unión municipio San Isidro, Matagalpa 2015.
Leytón, Eddy Martín   +1 more
core  

La agricultura de Costa Rica y el cambio climático: ¿Dónde están las prioridades para la adaptación? [PDF]

open access: yes, 2014
Costa Rica lidera en América Central los esfuerzos de mitigación del cambio climático en el sector ambiental y la agricultura de exportación, el campo de la adaptación está menos desarrollado (MAG y CCAFS, 2013).
Bouroncle, Claudia   +7 more
core  

Hyperparasitoid wasps (Hymenoptera, Trigonalidae) reared from dry forest and rain forest caterpillars of Area de Conservación Guanacaste, Costa Rica

open access: yesJournal of Hymenoptera Research, 2012
Five species of Trigonalidae, hyperparasitoids of Ichneumonidae (Hymenoptera) and Tachinidae (Diptera) that parasitize caterpillars (Lepidoptera), have been reared during the ongoing caterpillar inventory of Area de Conservación Guanacaste (ACG ...
David Smith   +3 more
doaj   +1 more source

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