Results 61 to 70 of about 353,275 (276)

An Optimised Protocol for Faba Bean (Vicia faba L.) Tissue Culture and Transformation

open access: yesLegume Science, Volume 8, Issue 1, March 2026.
ABSTRACT Faba bean (Vicia faba L.) is an important legume that contributes to agricultural sustainability through nitrogen fixation and offers substantial nutritional benefits. Nonetheless, its genetic enhancement has been constrained by challenges associated with tissue culture and transformation.
Md Mamunur Rashid   +7 more
wiley   +1 more source

Evaluación de los efectos de la urbanización en los arroyos de Tierra del Fuego [PDF]

open access: yes, 2017
We set out to understand how urbanization affects streams in Ushuaia, Tierra del Fuego. Paired ttestsand linear regressions were used to compare physico-chemical stream habitat variables (i.e., temperature,turbidity, conductivity, dissolved oxygen and pH)
Anderson, Christopher Brian   +3 more
core  

Ploidy levels and reproductive behaviour in invasive Hieracium pilosella in Patagonia [PDF]

open access: yes, 2011
Within a population of invasive Hieracium pilosella in Chilean Patagonia we found two ploidy levels, pentaploid and hexaploid. Each ploidy level was represented by one clone.
Krahulcová, Anna, Krahulec, František
core   +2 more sources

Entre los bordes. Hacia una nueva tipología de las series cortas

open access: yesÑawi: Arte, Diseño y Comunicación
Las series web, o series cortas, se caracterizan por su inestabilidad, incluso en su denominación. No son cine, tampoco TV. ¿Cómo podemos definirlas?
Natalia Eva Ader, Valeria Car
doaj   +1 more source

A molecular phylogenetic study of Deschampsia (Poaceae: Aveneae) inferred from nuclear ITS and plastid trnL sequence data: support for the recognition of Avenella and Vahlodea [PDF]

open access: yes, 2007
The circumscription and phylogeny of Deschampsia were studied for the first time by parsimony analysis of nuclear ribosomal internal transcribed spacer (ITS) and plastid trnL intron sequences.
Chiapella, Jorge Oscar
core  

Testate amoebae as a proxy for reconstructing Holocene water table dynamics in southern Patagonian peat bogs [PDF]

open access: yes, 2014
Funded by Natural Environment Research Council. Grant Numbers: NE/I022809/1, NE/I022981/1, NE/I022833/1, NE/I023104/1 Ricardo Muza and the Wildlife Conservation Society Karukinka Park Acknowledgements This work was supported by the Natural Environment ...
Aaby   +69 more
core   +1 more source

Climatically Driven Stability in the Alpine/Moorland Boundary on Three Mountains in Southwest Lutruwita/Tasmania 1986–2020

open access: yesJournal of Vegetation Science, Volume 37, Issue 2, March/April 2026.
This study examined the alpine/moorland ecotone in southwest Lutruwita/Tasmania for impacts of climate change over 34 years. The results showed a stable vegetation boundary. It is likely the observed increase in wind and constant windward sea surface temperature are ameliorating impacts from rising atmospheric temperatures.
Jamie B. Kirkpatrick   +4 more
wiley   +1 more source

UNASUR y el cierre del ciclo de las luchas contra el capitalismo neoliberal en Bolivia. Acerca del conflicto entre el poder ejecutivo y los prefectos de la Media Luna de oriente, 2008.

open access: yesMediações: Revista de Ciências Sociais, 2019
Proponemos describir e interpretar las acciones de la UNASUR en torno al conflicto desarrollado en 2008 entre los prefectos de la Medialuna de Oriente y el Poder Ejecutivo Nacional de Bolivia. Señalaremos que las acciones de UNASUR tendieron a afirmar la
Rodrigo Federico Pascual, Sabrina Lobato
doaj  

Not a Sip: Effects of Zero Tolerance Laws on Road Traffic Fatalities

open access: yesHealth Economics, Volume 35, Issue 2, Page 377-393, February 2026.
ABSTRACT A substantial proportion of alcohol related fatalities and their consequences are preventable, prompting policymakers to implement measures aimed at reducing these deaths. I exploit time and geographic variation in the adoption of zero‐tolerance laws in a difference‐in‐differences design to study the impact of these regulations on traffic ...
Andres Ramasco
wiley   +1 more source

Efecto de la defoliación post-quema sobre el crecimiento de dos gramíneas nativas en el Caldenal, Argentina [PDF]

open access: yes, 2009
El crecimiento en los pastizales naturales semiáridos puede ser afectado por la longitud de tiempo que el pastoreo es excluido durante el período de regeneración post-fuego.
Boo, Roberto Miguel   +4 more
core  

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