Results 111 to 120 of about 1,190 (181)

Altitudinal distribution, role in ecosystems and threats of the populations of the espeletia genus (Asteraceae) in Colombia

, 2016
En el presente trabajo se realizó un análisis de la distribución en el gradiente altitudinal del género Espeletia para Colombia y la revisión bibliográfica de la morfología y anatomía, el papel ecológico en los ecosistemas de páramos y las amenazas que ...
Vargas Cárdenas, Olga Lucía
core  

Nuevas especies colombianas de Espeletiopsis Cuatrec. y de Espeletia Mutis ex Humb. & Bonpl. (Asteraceae, Heliantheae, Espeletiinae)

, 2017
Se nominan, describen e ilustran cuatro especies nuevas de Espeletiinae propias de la Cordillera Oriental de Colombia. La de Espeletiopsis Cuatrec. es propia del Santuario de Fauna y Flora Guanentá Alto Río Fonce en el departamento de Santander; las ...
Rodríguez Cabeza, Betsy Viviana, Díaz Piedrahita, Santiago   +1 more
core  

Four new species of <i>Pristimantis myersi</i> group (Anura: Craugastoridae) from Carchi, Ecuador: cryptic diversity in unique and threatened high-Andean ecosystems. [PDF]

PeerJ
Franco-Mena D, Vega-Yánez MA, Bustos M, Guayasamin JM, Batallas D.   +4 more
europepmc   +1 more source

[Photosynthesis in three altitudinal populations of the Andean plant Espeletia schultzii (Compositae)].

Revista de biologia tropical, 2006
Photosynthesis was compared in three altitudinal populations of Espeletia schultzii: 3 100, 3 550 and 4 200 masl. The measured parameters were Rubisco activity (EC 4.1.139), chlorophyll, soluble protein and soluble sugars contents, and specific leaf area (SLA).
openaire   +2 more sources

Effect of fire and grazing on Espeletia hartwegiana populations

, 2008
In the bunchgrass paramo of Parque Nacional Natural Los Nevados, Colombia, aspects of population dynamics of the stem rosette Espeletia hartwegiana ssp. centro-andina were studied in relation to different grazing intensities and regenerating stages after

core  

Soil Microbial Diversity in Páramos Wetland of the Colombian Andes Reveals Novel and Unique Features Within a Global Wetland Database. [PDF]

Microb Ecol
Couradeau E, Vanegas J, Betancurt-Anzola D, Glass S, Eckert K, Bechtold EK, Ellenbogen JB, Zaragoza LR, Wrighton K, Vanegas JS.   +9 more
europepmc   +1 more source

Spatial and Temporal Dynamics of the Vegetation Cover from the Bijagual Massif, Boyacá, Colombia, during the 1986-2021 Period. [PDF]

Plants (Basel)
Gil-Leguizamón PA, Pereña-Ortiz JF, Sánchez-Mata D, Salvo-Tierra ÁE, Mercado-Gómez JD, Morales-Puentes ME.   +5 more
europepmc   +1 more source

Chronicle of a death foretold: <i>Lepanthes nasariana</i> (Orchidaceae, Pleurothallidinae), a newly described high-Andean orchid facing a worst-case climate change scenario. [PDF]

PhytoKeys
Moreno JS, Herrera Cobo AT, Palacio RD, Hazzi NA.   +3 more
europepmc   +1 more source

A systematic review of ecosystem services in the Rabanal páramo (Colombia). [PDF]

Integr Environ Assess Manag
Vergara Buitrago P, De Pellegrin Llorente I.   +1 more
europepmc   +1 more source

South America holds the greatest diversity of native daisies (Asteraceae) in the world: an updated catalogue supporting continental-scale conservation. [PDF]

Front Plant Sci
Moreira-Muñoz A, Monge M, Grossi MA, Ávila FA, Morales-Fierro V, Heiden G, Britto B, Beck S, Nakajima JN, Salgado VG, Rodríguez-Cravero JF, Gutiérrez DG.   +11 more
europepmc   +1 more source