Results 41 to 50 of about 300,783 (105)

Revealing hidden biodiversity: Novel insights on reptile and amphibian distribution in western Ecuador

open access: yesEcology and Evolution, Volume 14, Issue 6, June 2024.
We present notable distributional updates for 14 species from western Ecuador (seven amphibians and seven reptiles). Abstract We present notable distributional updates for 14 species from western Ecuador (seven amphibians and seven reptiles). Our findings include the northernmost confirmed sighting of Pristimantis kuri and the southernmost documented ...
Keyko Cruz‐García   +5 more
wiley   +1 more source

Integrating new variables into a framework to support cacao denomination of origin: a case study in Southwest Colombia

open access: yesJournal of the Science of Food and Agriculture, Volume 104, Issue 3, Page 1367-1381, February 2024.
Abstract BACKGROUND Cocoa quality plays a pivotal role in establishing denominations of origin, with genotypes, geography, climate and soil conditions being key variables. However, these factors have not been comprehensively explored in defining cacao denominations of origin.
Carlos E González‐Orozco   +10 more
wiley   +1 more source

The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

open access: yesNeotropical Ichthyology
The catfishes of the subfamily Cetopsinae of the Neotropical family Cetopsidae are revised. Four genera, Cetopsidium new genus, Cetopsis, Denticetopsis, and Paracetopsis Bleeker are recognized as valid. Bathycetopsis, Hemicetopsis, and Pseudocetopsis are
Richard P. Vari   +2 more
doaj   +1 more source

A possible mechanism for partial crowding‐out of R&D subsidies in developing countries

open access: yesReview of Development Economics, Volume 28, Issue 1, Page 71-96, February 2024.
Abstract We analyze the effectiveness of R&D subsidies on firms' R&D efforts in a developing country like Ecuador. We use the National Survey of Innovation Activities. Methodologically, we employ a structural framework that considers simultaneity and selection issues.
María Engracia Rochina Barrachina   +1 more
wiley   +1 more source

Documentos relativos a la Sociedad Filantrópica del Guayas correspondientes al año de 1898 [Folleto].

open access: yes, 1899
Recopilación de los informes que el Señor Francisco García Avilés, Presidente de la Sociedad Filantrópica del Guayas, presenta a la Junta General de la ...
Sociedad Filantrópica del Guayas
core  

Pod Production Dynamics and Pod Size Distribution of Theobroma cacao L. Clone CCN 51 in Full Sunlight

open access: yesInternational Journal of Agronomy, Volume 2024, Issue 1, 2024.
Cacao fruit production dynamics vary from one location to another and are conditioned by the number of pods produced per tree. During cocoa pod development, the strength of the carbon sink varies depending on the demand exerted by the pods, which is proportional to the size.
Ramón E. Jaimez   +5 more
wiley   +1 more source

Hepatitis B Virus (HBV) Genotypes in an Ecuadorian Population: A Preliminary Study

open access: yesAdvances in Virology, Volume 2024, Issue 1, 2024.
Chronic hepatitis B virus (HBV) infection affects 257–291 million people worldwide. The World Health Organization reported 890,000 HBV‐related deaths in 2019, higher than reported previously. There are 10 HBV genotypes (A–J) subdivided into several subgenotypes that differ considerably by geography.
Miguel Moncayo   +10 more
wiley   +1 more source

Taxonomic study of Hoplias microlepis (Günther, 1864), a trans-Andean species of trahiras (Ostariophysi: Characiformes: Erythrinidae)

open access: yesNeotropical Ichthyology
The Hoplias malabaricus species group represents one of the most complexes taxonomical problems in the systematics of Neotropical fishes, including specimens widely distributed in most drainages of South America and part of Central America with great ...
George M. T. Mattox   +2 more
doaj   +1 more source

IMPLICATIONS OF CAPITAL-INTENSIVE DEVELOPMENT INTERVENTIONS FOR COMMUNAL RESOURCE OWNERS: THE CASE OF COMMUNAL FARMERS IN ECUADOR [PDF]

open access: yes
The introduction in Ecuador of a primary irrigation infrastructure into a communal setting where land users did not fully control the land and had effectively no access to credit, produced a sell off of nearly all irrigable lands.
Castillo, Maria Jose, Beilock, Richard
core  

La distribución espacial y social de los enterramientos en la necrópolis post contacto de las iguanas, noroeste de Guayaquil

open access: yesRehuso, 2017
El rescate de una necrópolis tardía en el sector noroeste del perímetro urbano de la ciudad de Guayaquil, ha permitido conocer la persistencia y recurrencia de varios sistemas de sepultura, vigentes por centurias en las sociedades aborígenes. Los ajuares
Telmo López Muñoz
doaj  

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