Results 51 to 60 of about 12,108 (223)

Morfología y anatomía foliar, caulinar y radicular de Smallanthus macroscyphus (Asteraceae)

open access: yesLilloa, 2008
Coll Aráoz , M . V. ; Mercado , M . I . ; Grau , A . y Ponessa, G. I. 2008. “Morfología y anatomía foliar, caulinar y radical de Smallanthus macroscyphus (Asteraceae)”. Lilloa 45 (1-2). Smallanthus macroscyphus popularmente llamado “yacón del campo”, es
María Victoria Coll Araóz   +3 more
doaj  

Social-ecological resilience in organic and non-organic cocoa farming systems in the Yungas of Bolivia [PDF]

open access: yes, 2013
Cocoa based small scale agriculture is the basic livelihood of most farming families in the region of Alto Beni in the Bolivian Andes. Cocoa cultivation is affected by climate change impacts, soil degradation, pests and plant diseases, and insecure cocoa
Jacobi, Johanna   +3 more
core  

Description of the final instar larva of argia serva hagein selys, 1865 (Odonata coenagrionidae) [PDF]

open access: yes, 2018
The American genus Argia, with more than 100 species described, is the most speciose genus of Odonata in the world. In this contribution, the final stadium larva of Argia serva, the southernmost distributed species of Argia, is described and diagnosed ...
del Palacio, Alejandro   +2 more
core   +1 more source

A novel circumscription and classification for Neurolaeneae (Asteraceae)

open access: yesTAXON, Volume 75, Issue 1, February 2026.
Abstract Neurolaeneae (Asteraceae) have a complicated taxonomic history. The tribe was described in 1927, but subsequently disregarded in 1977, and later reinstated as a tribe following a large‐scale phylogenetic analysis of Asteraceae in 2002. To date, this tribe has remained poorly studied and it has never been the subject of a comprehensive ...
Vinicius R. Bueno   +4 more
wiley   +1 more source

Rumohra aconquijana (Dryopteridaceae): a new species endemic from Southern Yungas in Argentina

open access: yesRodriguésia, 2023
Rumohra aconquijana sp. nov., a restricted endemism of the Montane Jungle district (700-1,500 m asl; Yungas biogeographic province) is reported, described and illustrated. Rumohra aconquijana grows as epiphyte on Ocotea porphyria (Lauraceae) and Sambucus
Marcelo Daniel Arana   +3 more
doaj   +1 more source

Trait‐based species selection for restoration: A case study from tropical landscapes dominated by bracken

open access: yesJournal of Applied Ecology, Volume 63, Issue 1, January 2026.
Our results can be used by stakeholders to select the species best suited for active restoration projects in bracken‐dominated areas throughout the tropical region. Furthermore, our trait‐based approach, which considers seedling performance in disturbed areas, can serve as a guide for species selection in restoration programmes in other disturbed ...
Silvia C. Gallegos   +8 more
wiley   +1 more source

Comunidades de Chironomidae (Diptera) en arroyos de montaña del NOA: comparación entre Yungas y Monte

open access: yesRevista de la Sociedad Entomológica Argentina, 2007
Se comparan las comunidades de Chironomidae en dos áreas, una ubicada en la provincia biogeográfica del Monte y otra en las Yungas (en dos niveles altitudinales, bajo o selva montana y alto o bosque de aliso).
Eva G. TEJERINA, Carlos MOLINERI
doaj  

Primeros registros del tigrillo Leopardus pardalis (Carnivora, Felidae) en el Santuario Histórico de Machupicchu, Cusco, Perú

open access: yesRevista Peruana de Biología
Se reporta por primera vez la presencia del tigrillo u ocelote (Leopardus pardalis), en el Santuario Histórico de Machupicchu, mediante el uso de cámaras trampa.
Yanira Zarate-Pantoja   +3 more
doaj   +1 more source

Las Yungas y los Valles orientales del norte de Salta y Jujuy dentro de las esferas de interacción del Noroeste argentino prehispánico (ca. 900 d.C.-1300 d.C.)

open access: yesRelaciones de la Sociedad Argentina de Antropología, 2023
Presentamos algunas propuestas sobre interacción entre poblaciones de las Yungas del norte de Salta y Jujuy, de la Quebrada de Humahuaca y la Puna en el Noroeste argentino (NOA) y de sectores de Bolivia a fines del primer milenio y en los primeros ...
Beatriz Ventura
doaj   +1 more source

Meteoridium and Zelometeorium in Bolivia [PDF]

open access: yes, 1992
The genera Meteoridium and Zelometeorium are described and illustrated from 73 collections made by the author in Bolivia. Barbella tenuissima (Hook. & Wils.) Fleisch. is transferred to the genus Meteoridium as Meteoridium tenuissimum (Hook.
Lewis, Marko
core  

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