Results 81 to 90 of about 509,095 (358)

Key to hornworts (Anthocerotophyta) of Colombia

open access: yesCaldasia, 2018
A key is presented to seven genera and fifteen species of hornworts recorded from Colombia. Three species found in Ecuador but not yet in Colombia (Dendroceros crispatus, Phaeomegaceros squamuligerus, and Phaeoceros tenuis) are also included in the key.
S. Robbert Gradstein
doaj   +1 more source

Extent, characteristics and policy applications of Key Biodiversity Areas

open access: yesBiological Reviews, EarlyView.
ABSTRACT A global standard for the identification of Key Biodiversity Areas (KBAs) was published 10 years ago to provide a unified set of criteria for identifying ‘sites of significance for the global persistence of biodiversity’. We review the initiative's origins, the KBA identification process, characteristics of the current network, threats, policy
Stuart H. M. Butchart   +57 more
wiley   +1 more source

Indagando sobre la Comunidad Andina [PDF]

open access: yes, 1998
La Comunidad Andina está conformada por Bolivia, Colombia, Ecuador, Perú y Venezuela. Desde su creación en 1969, ha estado sujeta a diversos cambios y transformaciones, pasando a su vez por épocas de crisis como la sucedida entre 1979-1987, a la de total
Correa García, Jairo Uberney   +1 more
core  

Counting cases, conserving species: addressing highly pathogenic avian influenza in wildlife

open access: yesBiological Reviews, EarlyView.
ABSTRACT Highly pathogenic avian influenza (HPAI) has become a critical threat to wildlife, shifting from a seasonal epizootic to a persistent, year‐round panzootic with global consequences. Here, we summarise the origin, evolutionary mechanisms, and expanding host range of the current H5N1 virus (clade 2.3.4.4b) and assess its impact on wildlife. Over
Ulrich Knief   +4 more
wiley   +1 more source

Efecto del rendimiento del combustible en la decisión de compra de vehículo

open access: yesRevista Facultad de Ingeniería, 2016
El artículo presenta los resultados de una investigación que se realizó con el propósito de estudiar el efecto del rendimiento del combustible en la adquisición de un vehículo nuevo.
Julián Eduardo Morales-Rodríguez   +2 more
doaj   +1 more source

Integrated Reporting in the Public Sector: Theoretical Foundations and Determinants of Quality

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Integrated reporting (IR) has gained attention as the IFRS Foundation promotes its use through the International Integrated Reporting Council framework (IIRF). Public sector (PS) organizations, as key drivers of economic, social and environmental sustainability, are increasingly adopting IR to enhance transparency and accountability.
Ana Zorio‐Grima, Andreea Hancu‐Budui
wiley   +1 more source

Una nueva especie de Aiphanes (Palmae) de los Andes de Colombia

open access: yesCaldasia, 2001
A iphanes pilaris, a new species from the Andes of southern Colombia is described and illustrated. The new species is hypothesized to be closely related to A. verrucosa, from the Andes of southern Ecuador.Se describe e ilustra Aiphanes pilaris, una nueva
Bernal Rodrigo
doaj  

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