Results 41 to 50 of about 1,665 (114)
ABSTRACT The American manatee (Trichechus manatus) requires freshwater mainly from rivers and springs to maintain osmoregulatory balance in saline environments. However, in Brazil's semi‐arid Potiguar Basin, manatees now rely solely on submarine freshwater springs because hypersaline estuaries have become unsuitable sources of freshwater.
A. C. O. Meirelles +7 more
wiley +1 more source
DIAGNÓSTICO DE LOS AGROECOSISTEMAS EN UN EJIDO DE LA PLANICIE COSTERA VERACRUZANA
Para obtener el articulo completo pueden contactar al editor de la revista Ecosistemas y Recursos Agropecuarios en el siguiente correo era@ujat.mx y se les enviará sin ningun costo.
Carlos Bouchot Carranco +2 more
doaj +1 more source
The scaling of seed‐dispersal specialization in interaction networks across levels of organization
Natural ecosystems are characterized by a specialization pattern where few species are common while many others are rare. In ecological networks involving biotic interactions, specialization operates as a continuum at individual, species, and community levels. Theory predicts that ecological and evolutionary factors can primarily explain specialization.
Gabriel M. Moulatlet +3 more
wiley +1 more source
Consideraciones críticas acerca de la formación por competencias en las universidades colombianas
Este ensayo tiene como objeto presentar una posición crítica del papel que juegan las universidades en la implementación del modelo de formación por competencias, expresión de las nuevas formas del trabajo y de las relaciones sociales en la economía ...
Pedro Nel Valbuena Hernández +1 more
doaj
Abstract Fisheries constitute one of the major benefits that oceans provide for people. Yet anthropogenic pressures and global changes are disrupting coastal systems, eroding marine biodiversity and threatening the food security of traditional populations.
Fabricio C. Albuquerque +4 more
wiley +1 more source
Abstract Ecoregions are often defined based on homogeneous biophysical and ecological conditions and are optimal spatial units for designing conservation strategies. However, transboundary ecoregions such as the Alto Paraná Atlantic Forest (APAF) experience asymmetrical conservation outcomes, understood here as cross‐border differences, resulting from ...
Lía Montti +16 more
wiley +1 more source
Abstract Plant name epithets (as well as names of other organisms governed by the ICN), which are derived from geographic names, are not correctable when their original spelling was intentional and based on contemporary linguistic realities, even if it is currently considered outdated.
Alexander N. Sennikov, Irina V. Belyaeva
wiley +1 more source
Anaplasma sp., ehrlichia sp., and rickettsia sp. in ticks: a high risk for public health in ibagué, colombia [PDF]
The Order Rickettsiales comprises intracellular bacteria, including Rickettsiaceae and Anaplasmataceae; members of these families cause zoonotic diseases transmitted by ticks.
Mónica OSORIO +3 more
doaj +1 more source
Abstract The presently most densely sampled molecular phylogeny of the widespread New World subtribe Gonolobinae is presented, including about 35% of the ca. 520 species. Sampling focused on an even representation of the three main areas of total Gonolobinae distribution, South America, Central/North America, and the West Indian Islands, and the ...
Sigrid Liede‐Schumann +4 more
wiley +1 more source
Este artículo presenta un estudio sobre el proceso de enseñanza-aprendizaje de los cantos de trabajo del llano de la Orinoquia colombo-venezolana, declarados en 2014 Patrimonio Cultural Inmaterial por el Ministerio de Cultura de Colombia y en 2017 ...
Hernán Rivera Salcedo +1 more
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