Results 51 to 60 of about 2,918 (176)

Comparing carbon offsets and livelihood benefits in a long‐term reforestation project: Agroforestry versus native timber versus enrichment planting

open access: yesEcological Solutions and Evidence, Volume 5, Issue 3, July–September 2024.
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

open access: yesBotan‪ical Sciences, 2018
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]

open access: yes, 2006
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]

open access: yes, 2011
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]

open access: yes, 2013
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

GERMINAR 2.0 [PDF]

open access: yes, 2011
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  

Dinámica de crecimiento de especies forestales establecidas en el Jardín Botánico El Padmi, Zamora Chinchipe, Ecuador

open access: yesCedamaz, 2017
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]

open access: yes, 2015
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]

open access: yes, 2017
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]

open access: yes, 2016
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

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