Results 51 to 60 of about 134,503 (220)

PITCAIRNIA HUILENSIS: UNA ATRACTIVA BROMELIÁCEA NUEVA DE COLOMBIA

open access: yesCaldasia, 2015
Se describe, ilustra y discute una nueva especie de Pitcairnia (Bromeliaceae). Esta especie es endémica de Colombia y se encuentra en los enclaves secos de los valles interandinos de la cuenca alta del río Magdalena, departamento de Huila.
JULIO BETANCUR   +1 more
doaj   +1 more source

Estudio de la estructura genética espacial Ramorinoa Girolae (chica), una especie endémica de gran vulnerabilidad [PDF]

open access: yes, 2014
Ramorinoa girolae Speg. (Fabaceae), comúnmente llamada “chica", es un árbol o arbusto xerófito y endémico de Argentina, considerado en peligro de extinción por su restringida distribución geográfica, lento crecimiento y poca resistencia al fuego.
Ortiz, Noelia Rosa
core  

Adapting Species Risk Assessments to a Changing Climate: The Underestimated Vulnerability of Foundational Trees

open access: yesGlobal Change Biology, Volume 32, Issue 4, April 2026.
Climate change is one of the top threats to biodiversity. However, many species risk assessment frameworks, including the globally authoritative International Union for Conservation of Nature Red List, do not consistently and comprehensively incorporate loss of climatically suitable habitat into listing or threat categorization decisions.
Blair C. McLaughlin   +6 more
wiley   +1 more source

Unraveling the Phenology of the Liana Marcgravia longifolia: Temporal Patterns and Climatic Cues

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
We monitored the reproductive phenology of the Amazonian liana Marcgravia longifolia J. F. Macbr (Marcgraviaceae) for 84 consecutive months in the Peruvian Amazon to quantify the timing, synchrony, and seasonality of flowering and ripe fruiting. Flower presence peaked in August with intermediate synchrony, while ripe fruit presence peaked in November ...
Alessandro Mainardi   +5 more
wiley   +1 more source

Heterothalamus rupestris, espécie nova de Asteraceae do Rio Grande do Sul.

open access: yesCiência Florestal, 2010
Na revisão botânica do gênero Heterothalamus Less., foi descoberta uma nova espécie, endêmica da Serra do Sudeste do Rio Grande do Sul (Brasil) que, a seguir, é descrita, ilustrada e comparada com sua espécie afim.
Leonardo Paz Deble   +2 more
doaj   +1 more source

Primer registro de coloración melánica en Ctenomys famosus (Rodentia: Ctenomydae) en la provincia de La Rioja, Argentina

open access: yesActa Zoológica Lilloana, 2022
Ctenomys famosus Thomas, 1920 es una especie endémica de roedor subterráneo de la provincia de La Rioja. En el presente trabajo reportamos el primer registro de melanismo en esta especie.
Thamara Fariñas Torres   +2 more
doaj   +1 more source

Puccinellia pungens reencontrada en Albacete 50 años después [PDF]

open access: yes, 2017
Puccinellia pungens (Pau) Paunero es una gramínea endémica de la península Ibérica, con su área de distribución concentrada mayoritariamente en el cuadrante sudoccidental de Aragón, en la cuenca endorreica de la laguna de Gallocanta, el entorno de la ...
Fabregat Llueca, Carlos   +1 more
core   +1 more source

The birds and the trees: Avian ecosystem (dis)service perspectives and farmers' willingness to plant native trees in the agricultural landscape of the Galapagos Islands

open access: yesPeople and Nature, Volume 7, Issue 12, Page 3182-3206, December 2025.
Abstract Agricultural landscapes hold great potential for biodiversity conservation; however, this will require finding solutions that work for both people and nature. Increasingly, the conservation community is calling for more cross‐disciplinary research integrating ecological questions with social and behavioural sciences for a more complete and ...
Ilke Geladi   +4 more
wiley   +1 more source

Una nueva especie de Leucheria (Asteraceae), endémica de Chile.

open access: yesBoletín de la Sociedad Argentina de Botánica, 2018
Se describe e ilustra una nueva especie de Leucheria Lag. (Asteraceae, Nassauvieae), L. meladensis Katinas, Crisci & A.E. Martic., con hojas enteras, elípticas, pecioladas y levemente pubescentes.
Liliana Katinas   +2 more
doaj   +1 more source

Morfología, fenología y descomposición de hojarasca de las comunidades de Psidium guajava (guayaba) y Psidium galapageium var. howellii (guayabillo) en la Isla San Cristóbal, Galápagos. [PDF]

open access: yes, 2017
The Galapagos Islands have plant species that have adapted to the particular environment of the archipelago throughout interesting evolutionary processes, being Psidium genus (Myrtaceae) one of these. The genus Psidium have two species in the archipelago,
Ponce Fienco, Génesis Sharon
core  

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