Results 51 to 60 of about 2,918 (176)
Looking at different reforestation methods over 14 years in an Emberá Indigenous community in Panama we found that plots with native timber mixtures and monocultures stored three times more carbon than those with agroforestry or natural regrowth. Natural regrowth was less valued by participants due to the abundance of pioneer species, but it helped ...
Katia Forgues +7 more
wiley +1 more source
Estructura de la selva alta perennifolia de Nahá, Chiapas, México
Antecedentes: Hasta mediados del siglo pasado se consideraba que la selva alta perennifolia cubría alrededor de 12.8 % de la superficie del territorio mexicano.
Alejandro Durán-Fernández +3 more
doaj +1 more source
Mixed Species Plantations: Prospects and Challenges [PDF]
About 2% of English-language literature on plantations deals with mixed-species plantations, but only a tiny proportion
Ball +57 more
core +3 more sources
Revision of the Anastrepha benjamini species group and the A. pallidipennis complex (Diptera: Tephritidae) [PDF]
The shape of the facial carina in Altastreplia is discussed. Although taxonomically useful, the protrudent form probably occurs by convergence in different species groups. Two species groups in which the carina is usually produced are revised.
Norrbom, Allen L.
core
Intensification of coffee systems can increase the effectiveness of REDD mechanisms [PDF]
In agricultural production systems with shade trees, such as coffee, the increase in greenhouse gas (GHG) emissions from production intensification can be compensated for, or even outweighed, by the increase in carbon sequestration into above-ground and ...
Albrecht +40 more
core +3 more sources
Proyecto de Investigación. Instituto Tecnológico de Costa Rica. Escuela de Ingeniería Forestal, 2011En una primer experiencia con el proyecto denominado “Reproducción de especies arbóreas y arbustivas para el Valle Central de Costa Rica.
Arguedas-Gamboa, Marcela +2 more
core
En el Jardín Botánico El Padmi, ubicado en la parroquia Los Encuentros, cantón Yantzaza, provincia de Zamora Chinchipe, se monitorea la dinámica de crecimiento en diámetro, altura y volumen de especies forestales, para disponer de información que permita
Zhofre Aguirre Mendoza +2 more
doaj
Diversidade da comunidade de plantas invasoras em sistemas agroflorestais com café em Turrialba, Costa Rica. [PDF]
O objetivo deste trabalho foi avaliar a diversidade de plantas invasoras, em sistemas agroflorestais com cafeeiros (Coffea arabica L.) e em cafezal a pleno sol, sob manejo orgânico e convencional.
COSTA, J. R. +2 more
core
The plant-louse Leuronota calycophylli sp. n. (Homoptera, Psylloidea), a pest on the timber species Calycophyllum spruceanum (Rubiaceae) in Peru [PDF]
Leuronota calycophylli sp. n. attacks experimental plantations of the high-quality timber Calycophyllum spruceanum in Peru. Adults, larvae and the damage on the host are described and illustrated.
Burckhardt, Daniel, Couturier, Guy
core
On the Significance of Leaf Sides in Automatic Leaf-based Plant Species Identification [PDF]
Because the front side of a leaf and the underside are functionally very different – the former captures sunlight to produce photosynthesis and the latter absorbs carbon dioxide and releases oxygen and vapor – they typically have different visual ...
Carranza-Rojas, José +1 more
core +1 more source

